ROME, 1974

Volume I and Volume II

Volume I


Preface VII WCEE

Search for articles of 5WCEE only
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Honour Committee XI
IAEE Executive Committee XII
Organizing Committees XIII
Exhibition of Seismological Instruments XIV
Conference  Photographs XV
Speeches Given at the Opening Ceremony XXV
Speeches Given at the Closing Ceremony XXIX
Report of the Secretary General of IAEE XXXIX
IAEE National Delegates XLII
New IAEE Executive Committee XLIII
Index of Papers XLV
Index of Authors LXXV
List of Participants LXXXIX
Invited Papers CXII

Chairman: K. NAKAGAWA Co-chairman: S. BUBNOV

Author Title Page No

I.B. Everingham, New Guinea

The Major Papua New Guinea Earthquakes Near Madang (1970) and Beneath the North Solomon Sea (1971)


A.G. Nazarov, B.K. Karapetian, N.K. Karapetian, V.L. Mnatsakanian, S.A. Pirouzian, D.N. Roustanovich, S.A. Shahinian, and L.V. Shahsouvarian

Results of Engineering-Seismological Studies of the Zanghezour Earthquakes in 1968


P.C. Jennings and G.W. Housner, California, U.S.A.

The San Fernando, California, Earthquake of February 9, 1971


A.K. Chopra, V.V. Bertero, and S.A. Mahin, California, U.S.A. M. Yamada and H. Kawamura, Japan, and Debate

Response of the Olive View Medical Center Main Building During the San Fernando Earthquake Prepared Discussion

M. Yamada and H. Kawamura, Japan, and Debate Prepared Discussion 36

L.G. Selna, M.D. Cho, and R.K. Ramanathan, California, US.A.

Evaluation of Olive View Hospital Behavior on Earthquake Resistant Design

H. Aoyama, Japan, and Discussion Closure Prepared Discussion 46

V.V. Bertero, B. Bresler, L.G. Selna, A.K. Chopra, and A.V. Koretsky, California, U.S.A

Design Implications of Damage Observed in the Olive View Medical Center Buildings

H. Aoyama, Japan Prepared Discussions 61

L. A. Wyllie, Jr., F. E. McClure, and H. J. Degenkolb, California, U.S.A

Performance of Underground Structures at the Joseph Jensen Filtration Plant


L.W. Bockemohle, California, U.S.A.

Earthquake Behavior of Commercial-Industrial Buildings in the San Fernando Valley

G.V. Berg and R.D. Hanson,Micbigan,U.S.A. Engineering Lessons Taught by Earthquakes 82

M. Izumi, Japan, and Debate

Prepared Discussion

J.E. Amrhein, G. Hegemier and G. Krishnamoorthy, California, U.S.A Reports on the Nicaragua Earthquake of December 1972 94

Chairman: T. HISADA Co-chairman: W.D. IWAN

Author Title Page No
E. Keintzel, Rumania On the Seismic Analysis of Unsymmetrical Storied Buildings 110
P. Caravani and W.T. Thomson, California, USA Identification of Damping Coefficients from System Response 114
M. Ozaki, Y. Ishiyama, and Y. Yamazaki, Japan Earthquake Response Prediction of Reinforced Concrete Buildings 118
G. Krishnamoorthy, GA. Young, and GA. Hegemier, California, USA Prediction of the Torsional Response of a Multi-Story Reinforced Concrete Masonry Building by a Three Dimensional Dynamic Analysis 129
J. Pajuhesh and A.H. Hadjian, California, U.S.A. Determination of Composite Damping Matrices 133
H. Aoyama, Japan, and MA. Sozen, Illinois, U.S.A. Dynamic Response of a Reinforced Concrete Structure with "Tied" and "Spiral" Columns 137
V.T. Rasskazovsky, U.S.S.R. Calculation of Building Response to Real Earthquake Accelerograms 146
W.K. Tso and J.K. Biswas, Canada Torsional Analysis of Core Wall Structures 149
P. Mazilu, H. Sandi, and D. Teodorescu, Rumania Analysis of Torsional Oscillations 153
H. Sato and K. Suzuki, Japan On the Response Analysis of the Structure System Subjected to Multi-Seismic Motions 163
F. Novoa M., Chile Prepared Discussion 173
P. Ruiz and F. Reyes, Chile A Finite Element for the Interaction of Frames and Shear Walls 174
T. Konno and E. Kimura, Japan Earthquake Effects on Steel Tower Structures Atop Building 184
R Novoa M., Chile Prepared Discussion 194
F.Y. Cheng, W.H. Tseng, and J.H. Senne Missouri, U.S.A. Dynamic Instability and Ultimate Capacity of Parametrically Excited Structures 195
E. Juhasova, Czechoslovakia, J. Henrych, Czechoslovakia, V. Kolousek, Czechoslovakia Free Discussions 199

Chairman: J.F. BORGES Co-chairman: G. OBERTI

Author Title Page No
W.H. Boyce, New Guinea Vibration Tests on a Simple Water Tower 220
J.P. Balsara and J. Fowler, Mississippi, U.S.A. Vibration Tests of North Fork Dam Model 226
D.L. Bernreuter and F.J. Tokarz, California, US.A Providing an Earthquake-Like Environment for Testing Full-Scale Structures by Using the Ground Motion from Underground Nuclear Tests 230
J. Petrovski, D. Jurukovski, and T. Paskalov, Yugoslavia Dynamic Properties of Fourteen Story R.C. Frame Building from Full Scale Forced Vibration Study and Formulation of Mathematical Model 234
A. Negoita and I. Pop, Rumania Researches on the Ductility of Reinforced Expanded Clay Concrete Members 244
H. Krawinkler and E.P. Popov, California, U.S.A. Hysteretic Behavior of Reinforced Concrete Rectangular and T-Beams 249
K. Kanai, Japan (paper withdrawn from the author) Energy Dissipation in Strong Earthquake Motion of Existing Buildings 259
J.G. Bouwkamp and R.M. Stephen, California, U.S.A. Ambient and Forced Vibration Studies of a Multistory Pyramid-Shaped Building 260
G.T. Taoka, A.S. Furumoto, and A.N.L. Chiu, Hawaii, U.S.A. Natural Periods of a Tall Shear Wall Building 270
F. Briceno E., Venezuela, A.F. Espinosa, Colorado, U.S.A., and J. Arcia R. Venezuela Dynamic Response Study of the Palace Corvin Building in Caracas, Venezuela 274
I.R. Stubbs and V.R. McLamore, California, US.A The Ambient Vibration Survey 286
P. Ibanez and R.D. Shanman, California, U.S.A. Identification of Dynamic Structural Parameters from Experimental Data 290
I.P. Kuliyev, G.A. Aliyev, and F.M. Gadfiyev, USS.R. Investigation of the Dynamic Characteristics of the Offshore Oil-Field Structures 294
V.N. Shaishmelashvili and N.A. Edisherashvili, U.S.S.R Experimental Studies of Dynamic Characteristics of Multy-Storey Steel Frame Building Large-Scale Models with Different Vertical Bracings 299
R.W. Clough and P. Hidalgo, California, U.S.A Design of a Shaking Table Test for a Reinforced Concrete Frame Structure 304
R.W. Clough, D. Rea, D. Tang, and M. Watabe, California, U.S.A. Earthquake Simulator Test of a Three Story Steel Frame Structure 308

Chairman: H.B. SEED Co-chairman: W.D.L. FINN

Author Title Page No
J.H. Travers and R. Shepherd, New Zealand Wave Propagation and Lumped Mass Analysis Techniques applied to the,  determination of Response Layered systems to Sinusoidal and Seisimic Excitation   314
E. Rosenblueth, Mexico Prepared Discussion 318
A. Asada, F. Kawakami, and M. Kamiyama, Japan On the Characteristics of Seismic Motion in Soft Soil Layers 319
E. Rosenblueth, Mexico Prepared Discussion 328
K. Ishihara and S. Yasuda, Japan Sand Liquefaction Under Random Earthquake Loading Condition 329
T.S. Coughlin, D.E. Troxell, and P.C. Rizzo, Pennsylvania, U.S.A Consideration of Earthquake Resistant (Class I) Slopes and Dams 339

A.S. Arya, India

Prepared Discussion 343
H. Uezawa and M. Nasu, Japan Anti-Earthquake Measures for Embankment on a Weak Ground 346
K.H. Stokoe, II, Massachusetts, U.S.A., and F.E. Richart, Jr., Michigan, U.S.A. Shear Moduli of Soils, In-Situ and From Laboratory Tests 356
W.D.L. Finn and R.I.S. Miller, Canada Dynamic Analysis of Plane Non-Linear Earth Structures 360
J.E. Valera and N.C. Donovan, California, U.S.A Incorporation of Uncertainties in the Seismic Response of Soils 370
J. Ghaboussi and E.L. Wilson, California, U.S.A. Liquefaction Analysis of Saturated Granular Soils 380
T.S. Atrakhova, G.N. Belgorodskaya, A.P. Valov, V.L. Golubyatnikov, M.M. Nikiforova, G.S. Seleznev, G.I. Tschalkina, and U.L. Zaslawskiy, U.S.S.R. A Study on Dynamics of Earth Dams During Earthquakes 390
S.G. Napetvaridze, A.R. Khvoles, and T.P. Vekua, U.S.S.R The Inverse Problem of Engineering Seismology 399
E. Faccioli, L. Esteva, and R. Cervantes, Mexico Probabilistic Analysis of Nonlinear Seismic Response of Stratified Soil Deposits 414
A. Dvorak, Czechoslovakia Free Discussion 419

Chairman: S.V. POLIAKOV Co-chairman: M.P. GAUS

Author Title Page No
A.A. Moinfar, Iran Destructive Earthquake of 10 April 1972 in Ghir (Iran) 428
R. Razani, Iran, and K.L. Lee, California, U.S.A An Engineering Study of the QIR Earthquake in Southern Iran,April 10, 1972 438
J. Kuroiwa, E. Deza, and H. Jaen, Peru Investigations on the Peruvian Earthquake of May 31, 1970 447
E. Rosenblueth, Mexico Prepared Discussion 457
G.V. Berg, Michigan, U.S.A., and R.L. Husid, Chile Structural Behavior in the 1970 Peru Earthquake 458
R.M. Lastrico and J. Monge, Chile Engineering Aspects of the July 8, 1971 Earthquake in Central Chile 468
F. Novoa M., Chile Prepared Discussion 478
A. Vives, V. Caruz, and H. San Martin, Chile Damage on Low-Income Housing Due to the Earthquake of July 8th, 1971 in Chile 479
A.R. Flores, Philippines The Luzon Earthquakes of August 2, 1968 and April 7, 1970 483
S.K. Guha, P.D. Gosavi, and S.C. Marwadi, India Macro seismic Studies of Some Recent Indian Earthquakes 493
E.B. Agalarova, R.A. Agamirzoyev, E.K. Gyul, V.A. Kasparov, and F.T. Kuliyev, U.S.S.R. Strong and Destructive Earthquakes and Seismic Activity of the Azerbaijan SSR and the Caspian Water Area 497
T. Rashidov, V.T. Rasskazovsky, and K.S. Abdurashidov, U.S.S.R. Consequences of Tashkent Earthquake 1966 and Testing of Restored Brick Walls 508
E. Karaesmen, Turkey Observations on the Behaviour of Reinforced Concrete Framed Buildings During 22 May 1971 Bingol Earthquake 518
Y. Kobayashi and T. Fujiwara, Japan Railway Embankments in the 1968 Tokachioki Earthquake 525
E. Arioglu and K. Anadol, Turkey The Structural Performance of the Rural Dwellings During Recent Destructive Earthquakes in Turkey (1969-1972) 529
S.S. Tezcan, M. Ipek, and S. Acar, Turkey Reasons for the Earthquake Damage to the New High School Building in Burdur,Turkey 539

Chairman: R.W. CLOUGH Co-chairman: K. KANETA

Author Title Page No
S. Okamoto, C. Tamura, K. Kato, and M. Hamada, Japan Behaviors of Submerged Tunnels During Earthquakes 544
N.M. Newmark and W.J. Hallt, Illinois, USA Seismic Design Spectra for Trans-Alaska Pipeline 554
Y. Aoki and S. Hayashi, Japan Spectra for Earthquake Resistive Design of Underground Long Structures 558
K. Kubo, Japan Behavior of Underground Water pipes During an Earthquake 569
Y. Goto, J. Ota, and T. Sato, Japan On the Earthquake Response of Submerged Tunnels 579
N. Nasu, S. Kazama, T. Morioka, and T. Tamura, Japan Vibration Test of the Underground Pipe with a Comparatively Large Cross-Section 583
T. Rashidov, U.S.S.R The Principles of the Dynamic Theory of Earthquake Resistance of the Complex Systems of Underground Structures 593
A. Sakurai, C. Kurihara, and T. Takahashi, Japan A Proposal for Earthquake Response Analyses of Long Structures and Aseismic Design Criteria of Pipe Lines 603
M.S. Agbabian,  California, U.S.A., and C.C. Diemond, Oregon, U.S.A An Assessment of the Earthquake Resistant Design of Electrical Power Transmission Facilities 607
F. Novoa M., Chile

Prepared Discussion

K.L. Merz, SA. Adham, and P.J. Richter, California, USA Use of Nonlinear Analysis to Interpret Earthquake Response of Pendular Supported High Voltage Electrical Equipment 620
F. Novoa M., Chile Earthquake Analysis and Specification of the High Voltage Electrical Equipment 624
AS. Veletsos, Texas, U.S.A Seismic Effects in Flexible Liquid Storage Tanks 630
R. Shepherd, New Zealand The Seismic Response of Elevated Water Tanks Supported on Cross Braced Towers 640
C.J. Costantino and C.A. Miller, New York, USA Seismic Analysis of Liquid Sodium Storage Tanks 650

Chairman: B.A. BOLT Co-chairman: R. YARAR

Author Title Page No
T. Tanaka, S. Yoshizawa, T. Morishita, K. Osada, and Y. Osawa, Japan Observation and Analysis of Underground Earthquake Motions 658
E. Kuribayashi, T. Iwasaki, Y. lida, and K. Tuji, Japan Effects of Seismic and Subsoil Conditions on Earthquake Response Spectra 668
K. Seo, N. Konoue, T. Tsunoda, S. Watanabe, and K. Nakagawa, Japan Characteristics of Seismic Waves in Bedrock at the Higashi-Matsuyama Earthquake 672
W.K. Cloud, California, US.A. Strong Motion During Earthquakes 676
CM. Duke and P.J. Hradilek, California, U.S.A Spectral Analysis of Site Effects in the San Fernando Earthquake 680
D.E. Hudson and F.E. Udwadia, California, US.A Local Distribution of Strong Earthquake Ground Motions 691
M.D. Trifunac, California, U. S. A.  Characterization of Response Spectra by Parameters Governing the Gross Nature of Earthquake Source Mechanisms 701
N.N. Ambraseys, Great Britain

Prepared Discussion

A.K. Mai and A.R. Carriveau, California, US.A Earthquake Ground Motion Near the Source 706
H. Tsuchida, T. Uwabe, and S. Hayashi, Japan Characteristics of Base Rock Motions Calculated from Strong Motion Accelerograms 716
K. Irikura, J. Akamatsu, and T. Furuzawa, Japan Some Problems in Determining Earthquake Ground Motions on Base Rock 727
W.J. Hall, N.M. Newmark, and B. Mohraz, Illinois, US.A Comments on Earthquake Transmission from Basement Rock to Surface 737
A.F. Espinosa and S.T. Algermissen, Colorado, US.A Ground Amplification Studies in the Caracas Valley and the Northern Coastal Area of Venezuela 741
K. Toki, Japan, and S. Cherry, Canada Inference of Underground Seismic Motions from Surface Accelerograph Records 745
W.V. Mickey, Colorado, USA., V. Perez, and W.K. Cloud, California, USA Amplification Studies of the Pacoima Dam from Aftershocks of the San Fernando Earthquake 755
SS. Tezcan, Turkey Microtremor Studies in Adapazari, Turkey 763
D. Linehan and V.J. Murphy, Massachusetts, USA Caracas Earthquake of July 1967 - Geophysical Field Measurements 767

Chairman: E. GIANGRECO Co-chairman: T. KIRIJAS

Author Title Page No
R. Park and T. Paulay, New Zealand Behaviour of Reinforced Concrete External Beam-Column Joints Under Cyclic Loading 772
J.G. Bouwkamp and Ö.KÜstÜ, California, USA Experimental Study of Spandrel Wall Assemblies 782
M. Yamada and S. Yagi, Japan Shear Explosion of Reinforced Concrete Short Columns 791
K. Takanashi, Japan Inelastic Lateral Buckling of Steel Beams Subjected to Repeated and Reversed Loadings 795
M. Hakuno, Japan Hybrid Failure Test on a Structural Member 799
B.I. Karlsson, Sweden, H. Aoyama, Japan, and M.A. Sozen, Illinois, USA Spirally Reinforced Concrete Columns Subjected to Loading Reversals Simulating Earthquake Effects 803
J.K. Wight, Illinois, USA., and Y. Kanoh, Japan Shear Failure of Reinforced Concrete Columns Subjected to Cyclic Loading 807
R.M. McCafferty and M.L. Moody, Colorado, USA. Dynamic Characteristics of Reinforced Concrete Beam-Column Specimens for Various Levels of Cracking 811
M. Hirosawa, M. Ozaki, and M. Wakabayashi, Japan Experimental Study on Large Models of Reinforced Concrete Columns 815
B. Kato and M. Nakao, Japan The Influence of the Elastic Plastic Deformation of Beam-to-Column Connections on the Stiffness, Ductility and Strength of Open Frames 825

H. Krawinkler, V.V. Bertero, and E. Popov, California, USA

Prepared Discussion

R. Tanabashi, K. Kaneta, and T. Ishida, Japan On the Rigidity and Ductility of Steel Bracing Assemblage 834
Sugano and I. Koreishi, Japan An Empirical Evaluation of Inelastic Behavior of Structural Elements in Reinforced Concrete Frames Subjected to Lateral Forces 841
M. Shibata, T. Nakamura, N. Yoshida, S. Morino, T. Nonaka, and M. Wakabayashi, Japan Elastic-Plastic Behavior of Steel Braces Under Repeated Axial Loading 845
W.D.L. Finn, Canada, and E. Varoglu, Turkey Seismic Interaction Between Parts of a Dynamic System 849
R. Meli, Mexico Behavior of Masonry Walls Under Lateral Loads 853

Chairman: N.R NIELSEN Co-chairman: FJE. McCLURE

Author Title Page No
M. Yamada and H. Kawamura, Japan Fundamental New Aseismic Design of Reinforced Concrete Buildings 864
R.M. McCafferty and M.L. Moody, Colorado, U.S.A. An Example of Epoxy Mortar Repair of a Reinforced Concrete Beam-Column Joint 868
F. Barda, J.M. Hanson, and W.G. Corley, Illinois, U.S.A An Investigation of the Design and Repair of Low-Rise Shear Walls 872
J. Warner, California, U.S.A Restoration of Earthquake Damaged Concrete and Masonry 882
C.J. Thompson, South Africa Repair of Buildings Damaged by the 1969 Boland Earthquake 886
I. Rienzo, Italy Prepared Discussion 894
W.E. Gates, California, U.S.A. Design Lessons Learned from the Performance of Instrumented High-Rise Buildings in the San Fernando Earthquake 900
S.A. Freeman, California, U.S.A

Prepared Discussion

T. Miki, T. Homma, and M. Hirosawa, Japan Evaluation of Earthquake Resistant Properties and Strengthening of Existing Building 911
E.A.B. Salse and M. Fintel, Illinois, U.S.A Strength, Stiffness and Ductility Properties of Slender Shear Walls 919
R. Razani, Iran, and J.G. Bouwkamp, California, U.S.A Earthquake Resistant Design of Reinforced Concrete Structures with External Short Columns and Deep Spandrel Beams 929
W.G. Corley and J.M. Hanson, Illinois, U.S.A Design of Earthquake-Resistant Structural Walls 933

Chairman: K. KUBO Co-chairman: A.C. HEIDEBRECHT

Author Title Page No
E. Kuribayashi and T. Iwasaki, Japan Dynamic Properties of Highway Bridges 938
WS. Tseng and J. Penzien, California, USA Seismic Response of Highway Over crossings 942
S.K. Thakkar and A.S. Arya, India Dynamic Response of Arches Under Seismic Forces 952
L.I. Dyatlovitsky and V.P. Turov, U.S.S.R Stress-Strain Analysis Method for Dams Under Seismic Actions 957
B. Nath, Great Britain A Finite Element-Analogue Method for Determining the Dynamic Characteristics of an Arch Dam-Reservoir System 967
P.R. Perumalstoami and L. Kar, South Dakota, US.A Earthquake Behavior of Arch Dam-Reservoir Systems 977
G.C. Rouse and L.H. Roehm, Colorado, USA An Arch Dam Design Method for Seismic Loadings 994
L.W. Heller, Mississippi, USA., and J.E. Ahlberg, Georgia, USA Earth Dam Motion Due to a Deep Nuclear Explosion 1000
M.J. Kaldjian, Michigan, USA Foundation-Dam Interaction and Spatial Variation in Ground Motion 1004
H. Watanabe, Japan Analysis of Non-Elastic and Non-Linear Vibration of Rock Fill Dams Using - Finite Element Method 1008
SA. Gadomski, California, USA Seismic Response of Van Norman Reservoir Outlet Towers 1012
J.P. Hollings and D.J. Dellow, New Zealand The Selection of Seismic Design Loadings by the Use of Return Period Graphs 1016

Chairman: D.E. HUDSON Co-chairman: A.G. YAGÜE

Author Title Page No
C.F. Knudson, California, USA Present-Day Status of Worldwide Strong-Motion Instruments 1028
E.laccarino and C. Zaffiro, Italy Studies on a Network of Strong Motion Accelerographs to be Installed in Italy 1038
W.G. Milne and G.C. Rogers, Canada Deployment of Strong Motion Seismographs in Western Canada 1042
H.T. Halverson, California, U.S.A A Technical Review of Recent Strong Motion Accelerographs 1046
E.S. Borisevich, D.P. Kirnos, and V.M. Fremd, U.S.S.R. Soviet Instruments for Registration of Strong Earthquakes 1056
B.K. Karapetian, A.S. Mouradian, A.K. Mouradian, and A.G. Nazarov, U.S.S.R Multi-Pendulum Seismometers of New Design 1066
W.J. Rihn California, U.S.A Magnetic Tape Recording and Processing of Strong-Motion Data 1069
Y.Ohta and T. Asada, Japan Strong Motion Observation System with a Wide Amplitude Range. Part I: Construction of Headquarters Station 1073
P.S. Klasky, R.R. Staton, I.R. Stubbs, and J.E. Fix, Texas, U.S.A. Structural Monitoring Techniques and Instrumentation for Nuclear Power Plants 1077
Earthquake Alarm Group (K. Kanai, S. Okamoto,
H. Kobayashi, M. Katsumata, M. Hakuno, and Y. Ohta, Japan)
A Plan for Strong Earthquake Alarm System 10 Seconds Before it Attacks the City of Tokyo 1081
S.V. Poliakov, B.E. Denisov, B.A. Kirikov, O.I. Ponomarev, G.V. Mamaeva, and Y.A. Vypryazhkin, U.S.S.R The Problems of Engineering Seismometric Service Organization and Instrumental Data Analysis 1085
J. Prince, H. Rodriguez, E.Z. Jaworski, and G. Kilander, Mexico A Strong Motion Radio Telemetry Network 1095

Chairman: J. DESPEYROUX Co-chairman: PC. JENNINGS

Author Title Page No
A. Parducci and A. Samuelli Ferretti, Italy Prismatic Reinforced Concrete Members Alternate Bending Beyond the Yielding of the Reinforcement Under Axial Loads 1106
C.M. Alexander, A.C. Heidebrecht, and W.K. Tso, Canada Cyclic Load Tests on Shear Wall Panels 1116
A.E. Cardenas E., Peru Shear Walls - Research and Design Practice 1120
W.H. Townsend and R.D. Hanson, Michigan, U.S.A. Hysteresis Loops for Reinforced Concrete Beam-Column Connections 1131
K. Muto, N. Ohmori, and T, Takahashi, Japan A Study on Reinforced Concrete Slitted Shear Walls for High-Rise Buildings 1135
T. Shimazu and M. Hirai, Japan Strength Degradation of Reinforced Concrete Columns Subjected to Multi-Cycle Reversals of Lateral Load at Given Amplitudes of Post-Yielding Deformation 1139
Y. Higashi, M. Ohkubo, and K. lida, Japan Elasto-Plastic Behavior of Reinforced Concrete Beams with Spandrel Walls Under Anti-Symmetric Cyclic Loads 1143
Y. Gyoten, K. Mizuhata, and I. Tsuyama, 'Japan Experimental Study on Low Cycle Fatigue of a Structural Member Subjected to Earthquake Loads 1153
T. Shiga, A. Shibata, and J. Takahashi, Japan Experimental Study on Dynamic Properties of Reinforced Concrete Shear Walls 1157
N. Uchida, T. Aoyagi, M. Kawamura, and K. Nakagawa, Japan Vibration Test of Steel Frame Having Precast Concrete Panels 1167
W.K. Tso, E. Pollner, and A.C. Heidebrecht, Canada Cyclic Loading on Externally Reinforced Masonry Walls 1177
W.P. Vann, Texas, U.S.A., L.E. Thompson, Missouri, U.S.A., L.E. Whalley, Texas, U.S.A., and L.D. Ozier, Georgia, U.S.A Cyclic Behavior of Rolled Steel Members 1187
M. Wakabayashi, C. Matsui, K. Minami, and I. Mitani, Japan Inelastic Behavior of Steel Frames Subjected to Constant Vertical and Alternating Horizontal Loads 1194
J.O. Jirsa, Texas, U.S.A Factors Influencing the Hinging Behavior of Reinforced Concrete Members Under Cyclic Overloads 1198
G.M. Bo, A. Cast oldi, L. Goffi, Italy, and A. Popovici, Rumania Experimental Research on the Elastoplastic Behaviour in Dynamic Operative Conditions of Systems of Two Degrees of Freedom 1205

Chairman: A. ARIAS Co-chairman: CM. DUKE

Author Title Page No
A. Cast ellani and V. Petrini, Italy Research Activity on Design Response Spectra for Italian Sites 1210
M.D. Trifunac, F.E. Udwadia, and A.G. Brady, California, U.SA Recent Developments in Data Processing and Accuracy Evaluations of Strong Motion Acceleration Measurements 1214
M. Hirasawa, T. Suzuki, and T. Kuwabara, Japan Statistical Characteristics of Response Spectra of Earthquake Motions in Japan 1224
V. Perez, California, U.S.A Peak Ground Accelerations and Their Effect on the Velocity Response Envelope Spectrum as a Function of Time, San Fernando Earthquake, February 9, 1971 1234
R. Husid, Chile, and C. Medone, Argentina Spectral Analysis of the July 8, 1971 Earthquake in Central Chile 1244
A.G. Brady and D.E. Hudson, California, USA Standard Data Processing of Strong Motion Accelerograms 1248
N.C. Donovan, California, USA A Statistical Evaluation of Strong Motion Data Including the February 9, 1971 San Fernando Earthquake 1252
G.R. Saragoni, Chile, and G.C. Hart, California, USA Time Variation of Ground Motion Frequency Content: Characterization and Relevance 1262
T. Itoh, H. Yamahara, and Y. Otsuki, Japan Earthquake Response Analysis and Data Processing by the Fourier Transform 1266
J. Krishna, A.S. Arya, and K. Kumar, India Determination of Isoacceleration Lines by Sliding and Overturning of Objects 1270
P.C. Jennings, California, USA Computation of Individual Fourier Spectrum Ordinates 1280
D. ÖzgÜr and A. GÜrpinar, Turkey Theoretical Simulation of Earthquake Acceleration Spectra 1284
D. Tocher and W.H. Bakun, California, USA A Comparison of the Spectra of Small and Moderate Earthquakes 1294
B.A. Bolt, California, USA. Duration of Strong Ground Motion 1304
Y. Kobayashi, Japan Prepared Discussion 1314

Chairman: G.V. BERG Co-chairman: H. TAJIMI

Author Title Page No
J. Krishna and A.R. Chandrasekaran, India Influence of Bridge Bearings on Aseismic Design of Simply Supported Bridge Spans 1318
Y. Yamada, Y. Goto, and H. Takemiya, Japan Studies on the Earthquake-Resistant Design of Suspension Bridge Tower and Pier System 1329
A. Ravara and R.T. Duarte, Portugal Non-Linear Response and Structural Ductility of Reinforced Concrete Buildings Under Strong Seismic Actions 1339
R.K. Wen, Michigan, USA., and P.S. Natarajan, India Inelastic Seismic Behavior of Frame-Wall Systems 1343
J. Lord, C. Meyer, J. Brent Hoerner, and M. Zayed, California, USA Inelastic Dynamic Analysis of a 60 Story Building 1353
M. Ifrim and A. Dobrescu, Rumania Simplified Analysis of Shear Walls in Tall Buildings to Earthquake Action 1357
A. Bratescu, M. lonita, H. Sandi, and I. Simulescu, Rumania Analysis of Multi-Story Bearing Wall Structures 1361
J.K. Minami and J. Sakurai, Japan Seismic Response of Buildings With and Without Basements and Piles 1371
L. Nunziante, Italy The Influence of the Behavior of the Material on Response of the Structures to Dynamic Loads 1375
S. Tani, S. Nomura, T. Nagasaka, A. Hiramatsu, and I. Mochizuki, Japan Earthquake Response of Reinforced Concrete Structures Considering the Discontinuous Failure Process to Collapse 1379
H. Muguruma, M. Tominaga, and F. Watanabe, Japan Response Analysis of Reinforced Concrete Structures Under Seismic Forces 1389
A.R. Chandrasekaran, India Effective Live Load Under Earthquake Conditions in Multi-Story Frames 1393
T. Kitta, J. Kodera, K. Ujiie, and H. Tada, Japan A New Type Shock Absorber and its Effects on the Response of the Bridge to the Earthquake 1397
V. Ciampi, Italy Prepared Discussion 1401
A. La Tegola and G. Sara, Italy Seismic Response of Reticular Elasto-Plastic Structures 1403

Volume II

Chairman: J. KRISHNA Co-chairman: C.C. THIEL

Author Title Page No
K. Muto, T. Ohta, K. Uchida, N. Adachi, and Y. Kasai, Japan A New Measuring Method of Vibration Using Correlation Technique 1412
F.M. Tillou and K.J. Metzgar, California, USA A New Seismic Frequency Range Shaker for Modal Testing of Large Structures 1422
Y. Takahashi, D. Rea, and S. Abedi-Hayati, California, USA Effects of Test Specimen Reaction Loads on Shaking Tables 1426
F.E. Udwadia and M.D. Trifunac, California, USA Ambient Vibration Tests of Full-Scale Structures 1430
G.C. Hart, M. Lew, and R. Di Julio, Jr., California, USA High-Rise Building Response: Damping and Period Nonlinearities 1440
S.A. Freeman, California, USA Prepared Discussion 1445
D. Rea and J. Penzien, California, U.S.A Dynamic Response of a 20 Ft. x 20 Ft. Shaking Table 1447
B. Kato, H. Akiyama, H . Suzuki, and, Y . Fukazawa, Japan Dynamic Collapse Tests of Steel Structural Models 1457
V.V. Bertero, D. Rea, S. Mahin, and M.B. Atalay, California, USA Rate of Loading Effects on Uncracked and Repaired Reinforced Concrete Members 1461
T. Fujiwara and J. Kawamata, Japan Response of a Bridge and Its Subsoil to Ground Shaking 1471
E.P. Popov, V.V. Bertero, and H. Krawinkler, California, USA Moment-Resisting Steel Sub assemblages Under Seismic Loadings 1481
D. Williams, California, USA., and J.C. Scrivener, New Zealand Response of Reinforced Masonry Shear Walls to Static and Dynamic Cyclic Loading 1491
V. Turnsek, S. Tercelj, and M. Tomazevic, Yugoslavia Prepared Discussion 1495
J A. Blume and S.A. Freeman, California, USA Structural Response to Man-Induced Ground Motion 1498
P. Gulkan, Turkey Substitute Damping Ratios for Reinforced Concrete Frames in the Post- Yield Range 1502
R.V. Dawson and M.A. Ward, Canada Dynamic Response of Framed Structures with Infill Walls 1507
E. Zeller, France Dynamic Test on an Actual Building Mounted with a New Damper System 1517
W.R. Stephenson, and R.I. Skinner, New Zealand A System for Measuring Normal Modes of Structures 1521

Chairman: N.N. AMBRASEYS Co-chairman: A.A. MOINFAR

Author Title Page No
M. Hayashi, H. Komada, and Y. Fujiwara, Japan Three Dimensional Dynamic Response and Earthquake Resistant Design of Rock Fill Dam Against Input Earthquake in Direction of Dam Axis 1526
M.A. Sherif and M.J. Wu, Washington, USA Variation in Soil Properties During Dynamic Loading 1536
K. Kotota and T. Morioka, Japan Vibration of the Ground, Especially of the Superficial Soil Layers 1540
K.L. Lee and E.G. Walters, California, U.S.A Earthquake Induced Cracking of Dry Canyon Dam 1544
N.N. Ambraseys, Great Britain Prepared Discussion 1548
Y. Yamazaki, Japan On the Response Calculation in the Time Domain of the Ground Considered the Viscosity and the Energy Dissipation to the Bedrock Layer 1549
E. Mardiross, Great Britain Prepared Discussion 1553
A.N. Birbrayer, L.A. Eisler, and A.I. Smiltnec, U.S.S.R Calculation of Residual Slope Deformations and Saturation Effect in Aseismic Analysis of Earth Structures 1555
H. Tajimi, Japan Dynamic Earth Pressures on Basement Wall 1560
G. Oberti, A. Castoldi, and M. Casirati, Italy Dynamic Behavior of Rockfill and Earth Dams Studied on Elastic Models 1570
A. Enami and M. Ohhashi, Japan Some Dynamic Behaviors of Undisturbed Cohesive Soils from Laboratory Tests 1574
A. Capecchi and G. Conti, Italy Longitudinal Waves Propagation in Specimens of Incoherent Soils and Discontinued Materials 1582
B. Shackel, Australia The Three Dimensional Stress, Strain and Damping Response of a Cyclically Stressed Sand-Clay 1586
S. Noda, H. Tsuchida, and E. Kurata, Japan Dynamic Tests of Soil Embankments 1596
Y.S.Chae, New Jersey, U.S.A., and Y.C. Chiang, Formosa Dynamic Behavior of Weak Soils Treated with Additives 1606
R.F. Scott, California, U.S.A Earthquake Induced Earth Pressures on Retaining Walls 1611
J.A. Diaz and O.A. Rascon, Mexico A New Material for Dynamic Tests of Rockfill Dam Models 1621

Chairman: K. KANAI Co-chairman: M.A. SOZEN

Author Title Page No
G.W. Housner and P.C. Jennings,  California, U.S.A. Problems in Seismic Zoning 1626
H. Kobayashi and H. Kagami, Japan A Local Seismic Intensity Zoning Map Based on Subsoil Conditions 1636
L.S. Srivastava, India  Seismic Zoning of Continental Shields 1640
J.S. Carmona and J.C Castano, Argentina Seismic Risk in South America to the South of 20 Degrees 1644
J.L. Justo and B. Bayan, Spain Ground Motions as a Function of Seismicity 1654
A. Arias S., Chile Earthquake Intensity and Smoothed Earthquake Spectra 1659
S.K. Guha, S.P. Agarwal, K. Nand, and P.D. Gosavi, India Ground Motions in the Epicentral Area of Earthquakes 1670
J.L Ziony, CM. Wentworth, and J.M. Buchanan, California,
Recency of Faulting: A Widely Applicable Criterion for Assessing the Activity of Faults 1680
J.F. Evernden, R.R. Hibbard, and J.F. Schneider, Virginia, U.S.A A Model for Predicting Seismic Intensity 1684
S. Omote and K. Yoshimura, Japan Considerations on Earthquake Force Evaluation 1688
J. Ibanez, Chile Destructive Power of Earthquakes 1692
J.P. Grases, Venezuela Earthquake Hazard in the Caribbean Area on the Basis of Historical Studies 1699
M. Stojkovic and V. Mihailov, Yugoslavia Some Results of the Investigations in the Seismic Microzoning of Banjaluka 1703
M. Caputo, Italy Introduction to the Seismic Risk in Italy 1706
G. Abbate, P. Gasparini, and G. Troncone, Italy Prepared Discussion 1707
V. Perinetti, F. Delia Scala, S. Crescenzi, and M. Caputo, Italy Proposals for a More Thorough Evaluation of the Seismic Risk in Italy 1715
A. Ryall, W.U. Savage, and CJ. Koizumi, Nevada, U.S.A Seismic Potential in the Western Nevada/Eastern California Region 1729

Chairman: H. UMEMURA Co-chairman: A.S. VELETSOS

Author Title Page No
F. Horie and T . Odaka, Japan Consideration on Effect of Hysteresis Damping for Composite Systems 1734
O.A. Pekau and R. Green, Canada Inelastic Structures with Set-Backs 1744
E.A. Anagnostopoulos and J.M. Roesset, Massachusetts U.S.A Ductility Requirements for Some Nonlinear Systems Subjected to Earthquakes 1748
J. Vasquez, Chile, E.P. Popov, and V.V. Bertero, California, U.S.A. Earthquakes Analysis of Steel Frames with Non-Rigid Joints 1752
F.A. Imbeault, Canada, and N.N. Nielsen, Hawaii, USA Effect of Degrading Stiffness on the Response of Multistory Frames Subjected to Earthquakes 1756
V.V. Bertero, California, USA Prepared Discussion 1766
T. Kobori, R. Minai, and T. Fujiwara, Japan Earthquake Response of Frame Structures Composed of Inelastic Members 1772
W.D. Iwan, California, U.S.A A Model for the Dynamic Analysis of Deteriorating Structures 1782
D.A.W. Pecknold and MA. Sozen, Illinois, USA Calculated Inelastic Structural Response to Uniaxial and Biaxial Earthquake Motions 1792
K.J. Bathe and E.L. Wilson, California, USA Linear and Nonlinear Earthquake Analysis of Complex Structures 1796
L.V. Constantopoulos, J.M. Roesset, and J.T. Christian, Massachusetts, USA A Comparison of Linear and Exact Nonlinear Analyses of Soil Amplification 1806
W.A. Nash, U.T. Chon, and C.E. Hutchinson, Massachusetts, USA Cumulative Damage Effects in Seismic Structures 1816
S.A. Anagnostopoulos, J.M. Roesset, and J.M. Biggs, Massachusetts, USA Non-Linear Dynamic Analysis of Buildings with Torsional Effects 1822
C.W. Lin, Pennsylvania, USA Response Spectral Solution for Structures with Multiple Support Input 1826
J. Solnes, Iceland, and R. SigbjÖrnsson, Denmark Earthquake Response of Ramberg-Osgood Systems with Gravity Effects 1830

Chairman: J.K. MINAMI Co-chairman: A. CASTELLANI

Author Title Page No
I. Alpan, Israel The Dynamic Response of Pile Foundations to Lateral Forces 1840
T. Tassios, Greece Prepared Discussion 1851
T. Masao and H. Tajimi, Japan Earthquake Response of Multi-Story Building Considered Surface Layer-Basement Interaction 1857
S.C. Liu and L.W. Fagel, New Jersey, USA A Fast Fourier Transform Approach to Earthquake Soil-Structure Interaction Problems 1861
H. Kobayashi, Japan Damping Coefficients of Structural Vibration Related to Subsoil Conditions 1871
H.B. Seed and I.M. Idriss, California, USA Soil-Structure Interaction of Massive Embedded Structures During Earthquakes 1881
Y. Osawa, Y. Kitagawa, and R. Ishida, Japan Response Analyses of Earthquake Motions Observed in and Around a Reinforced Concrete Building Including Building-Subsoil System 1891
S.L. Agarwal, India Soil-Structure Interaction of Dynamically Laterally Loaded Pile Based on Discrete-Element Method 1902
A.S. Veletsos, Texas, U.S.A., and B. Verbic, Yugoslavia Dynamics of Elastic and Yielding Structure-Foundation Systems 1905
Y. Kitagawa, R. Tamura, Y. Tanaka, and Y. Osawa, Japan Investigation of Soil Building Interaction System on Large Models With Precast Panel 1909
P.B. MacCalden and R.B. Matthiesen, California, U.S.A Coupled Response of Two Foundations 1913
M. Shinozuka, New York, U.S.A., T. Fukuda, and H. Asada, Japan An Experimental Study on Structure-Ground Interaction 1923
S. Tani, J. Sakurai, and M. Iguchi, Japan The Effect of Plane Shape and Size of Buildings on the Input Earthquake Motions 1927
Y. Ohchi, Japan Interaction Between a Large Structure and the Ground 1937
R.A. Parmelee and R.J. Kudder, Illinois, U.S.A Seismic Soil-Structure Interaction of Embedded Buildings 1941
B. Goschy, Hungary Free Discussion 1951

Chairman: O.A. GLOGAU Co-chairman: Y. OHSAKI

Author Title Page No
K. Muto, T. Hisada, T. Tsugawa, and S. Bessho, Japan Earthquake Resistant Design of a 20 Story Reinforced Concrete Building 1960
O.A. Glogau, A.J. Ballintine, R.L. Williams, and H.E. Chapman, New Zealand New Zealand Parliament Buildings: Beehive 1970
A. Mazzeo La Creta, Venezuela Earthquake Design of a 32-Story A-Shape Reinforced Concrete Building 1980
R. Yano, H. Suitsu, and H. Kobayashi, Japan Earthquake Resistant Design of 52-Storied Shinjuku-Sumitomo Building 1987
M. Paparoni, Venezuela, J. Ferry Borges, A. Ravara, Portugal, and R.V. Whitman, Massachusetts, U.S.A Seismic Studies of Parque Central Buildings 1991
T. Zsutty, California, U.S.A Design of Shear Wall Systems for Non-Elastic Behavior During a Major Earthquake 2001
T. Paulay, New Zealand Some Seismic Aspects of Coupled Shear Walls 2005
T. Guendelman and J. Monge, Chile Preliminary Seismic Analysis of Reinforced Concrete Tall Buildings 2009
A.C. Heidebrecht, Canada Prepared Discussion 2013
J.E. Carpenter, P.H. Kaar and W.G. Corley, Illinois, U.S.A Design of Ductile Flat Plate Structures to Resist Earthquakes 2016
T. Hisatoku and H. Matano, Japan Aseismic Analysis of the Tall Building Structure with Coupled Shear Wall 2020
J. Gluck, Israel An Energy Dissipation Factor as Structural Design Criterion for Strong Earthquake Motion 2024
G.C. Hart, R.B. Matthiesen, P. Ibanez, C.B. Smith, R. Vasudevan, and R. Di Julio, Jr., California, U.S.A Damping in Nuclear Reactors 2029
Z.D. Jankov and C.F. Reeves, Massachusetts, U.S.A Seismic Analysis of Lightweight Elastic Systems in Nuclear Power Plants 2038
P.W. Abeles, Great Britain Free Discussion 2048

Chairman: S. OKAMOTO Co-chairman: R.V. WHITMAN

Author Title Page No
J.H. Rainer, Canada Determination of Foundation Flexibilities of Structure 2054
A.J. Carr and P.J. Moss, New Zealand The Dynamic Behavior of Structures as Influenced by Soil-Structure Interaction 2058
T. Kobori and R. Minai, Japan Dynamical Interaction of Multiple Strumental System on a Soil Medium 2061
T. Tajime and K. Miura, Japan Vibrations of Under Ground Structure or of Revised Ground Portion Due to Earthquake and Those Influences to the Surrounding Ground 2072
P.J. Hradilek, A.R. Carrveau, California, U.S.A., G.R. Saragoni, Chile, and C.M. Duke, California, U.S.A Evidence of Soil-Structure Interaction in Earthquakes 2076
T. Minami, Japan Elastic-Plastic Earthquake Response of Soil-Building Systems 2080
T. Ohta, A. Hara, S. Uchiyama, and M. Niwa, Japan Dynamic Response of Buildings Supported on Piles Extending Through Soft Alluvial Subsoil Layers 2084
A.G. Nazarov, R.O. Amassian, S.S. Darbinian, B.K. Karapetian, N.K. Karapetian, and S.S. Simonian, U.S.S.R A Study of the Reaction of Structures Under Seismic Effects and the Mutual Effect of Structures with the Ground of the Base 2088
T. Abe and A.H.-S. Ang, Illinois, U.S.A Seismic Response of Structures Buried Partially in a Multi-Layered Soil Medium 2098
H.B. Seed, California, U.S.A., and J.L. Alonso, Venezuela Soil-Structure Interaction Effects in the Caracas Earthquake of 1967 2108
N.N. Ambraseys, Great Britain Prepared Discussion 2112
H. Tsutsumi, Y. Kamiya, T. Kudoh, and S. Taguchi, Japan Dynamic Analysis of Ground-Structure System, Based on Elastic Wave Theory 2113
I. Sakamoto and M. Izumi, Japan A Comparative Study Between Theory and Observation on Soil-Structure Interaction Problem 2117
A.K. Vaish and A.K. Chopra, California, U.S.A. Dynamic Analysis of Structure-Foundation Systems 2127

Chairman: J. PENZIEN Co-chairman: T. KOBORI

Author Title Page No
H. Goto, Japan, and H. lemura, California, U.S.A Earthquake Response of Single-Degree-of-Freedom Hysteretic Structures 2132
S. Tani and S. Nomura, Japan Response of Reinforced Concrete Structures Characterized by "Skeleton Curve" and "Normalized Characteristic Loop" to Ground Motions 2136
R. Tanabashi, T. Nakamura, and S. Ishida, Japan Gravity Effect on the Catastrophic Dynamic Response of Strain-Hardening  Multi-Story Frames 2140
F.Y. Cheng, Missouri, U.S.A. Prepared Discussion 2150
V.I.Weingarten, S.F. Masri, M. Lashkari, and K. Kahyai, California, U.S.A Effect of Gravity Loading on the Earthquake Response of Cooling Towers 2152
S. Igarashi, K. Inoue, M. Asano, and K. Ogawa, Japan Restoring Force Characteristics of Steel Diagonal Bracings 2162
T. Takeda, and K. Nakagawa, Japan Inelastic Earthquake Response of Reinforced Concrete Buildings, by K. Yoshioka 2172
G.H. Powell and A. Kanaan, California, U.S.A. General Purpose Computer Program for Inelastic Dynamic Response of Plane Structures 2182
A.GÜrpinar and E. Karaesmen, Turkey Reliability of a Randomly Excited Ductile Reinforced Concrete Frame 2186
J. Sakurai and J.K. Minami, Japan Some Effects of Nearby Structures on the Seismic Response of Buildings 2191
H. Umemura, H. Aoyama, and H. Takizawa, Japan Analysis of the Behavior of Reinforced Concrete Structures During Strong Earthquakes Based on Empirical Estimation of Inelastic Restoring Force Characteristics of Members 2201
K. Takeyama, Japan Earthquake Response of a Building Collided with a Neighboring Building 2211
A.S. Arya, India Inelastic and Reserve Energy Analysis of Multsitoreyed Buildings 2215
S. Sachansky and G. Brankov, Bulgaria Influence of the Nonelastic Deformations on the Structures on the Changing of Dynamic Characteristics and Response 2219
N.A. Nikolaenko and S.V. Uljanov, USS.R Statistical Analysis of Nonlinear Parametric Systems by Strong-Motion Earthquake Excitation 2231

Chairman: H.J. DEGENKOLB Co-chairman: U. FUXA

Author Title Page No
H.E. Chapman, New Zealand Earthquake Resistant Design of Bridges and the N.Z. Ministry of Works Bridge Design Manual 2242
H.J. Degenkolb, California, US.A Codes and Engineering Practices as Related to Current Research Developments 2252
J A. Blume, California, USA Elements of a Dynamic-Inelastic Design Code 2256
N.M. Newmark and W.J. Hall, Illinois, USA A Rational Approach to Seismic Design Standards for Structures 2266
F. Novoa M., Chile Prepared Discussion 2276
O.A. Savinov, S.G. Napetvaridze, N.D. Krasnikov, V.F. Ivanistchev, and J.I. Natarius, U.S.S.R New Design Standards for Hydraulic Structures in the Seismic Zones of the U.S.S.R. 2278
R. Razani, Iran Earthquake-Resistant Design of Structures Having Brittle-Type Load Resisting Elements with Emphasis on Masonry and Adobe Buildings in Iran 2287
R. Flores A. and R Arias F., Chile Force Deflection-Ratio, Its Control and Design 2291
R.D. Hanson and G.V. Berg, Michigan, U.S.A Aseismic Design Procedure for Staggered Truss Framed Buildings 2301
G. Estrada- Uribe, Colombia Parabolic Lateral Loads for Earthquake Resistant Structures 2305
E. Arioglu and K. Anadol, Turkey On the Earthquake Resistance of the Suleymaniye Mosque (Istanbul), in the Historical Perspective (1557-1973) 2309
F.V. Bobrov, E.E. Zukov, L.S. Kilimnik, G.S. Kulygin, E.S. Medvedeva, and V.S. Pavlyk, U.S.S.R Aseismic Design of Buildings with the Ground Frame Storey 2313
G.A. Shapiro and V.F. Zakharov, U.S.S.R Method of Determining Earthquake Resistance of Residential Buildings on the Basis of Vibrational Tests by Means of High-Power Generators 2316
T.Z. Zhunusov, U.S.S.R. Earthquake Resistance of Prestressed Reinforced Concrete and Conventional Structures 2319

Chairman: S.V. MEDVEDEV Co-chairman: A.G. DAVENPORT

Author Title Page No
D. Denham, G.R. Small, Australia, and I.B. Everingham, New Guinea Some Strong-Motion Results from Papua New Guinea 1967-1972 2324
R.B. Reirner, RW. Clough, and J.M. Raphael, California, U.S.A Evaluation of the Pacoima Dam Accelerogram 2328
N.M. Newmark, Illinois, U.S.A. Interpretation of Apparent Up throw of Objects in Earthquakes 2338

J.D. Achenbach, Illinois, U.S.A., and A.M. Abo-Zena, California, U.S.A

Dynamic Analysis of Strike-Slip Faulting


P.G. Richards, New York, U.S.A

Dynamic Properties of an Earthquake Source

P.A. Witherspoon and Y.N.T. Maini, California, U.S.A. Influence of Fluid Injection on Stress in the Earth's Crust 2363

T. Terashima, Japan

Behavior of S-Waves in Soft Ground


R.F. Yerkes, T.L. Youd, and J.N. Alt, California, U.S.A

Deformation of the Van Norman Reservoirs Area, Northern San Fernando Valley, California


V. Schenk, Czechoslovakia

Parameters of Stress Waves Produced  by a Spherical Explosive Source


J.H. Dieterich, California, U.S.A

A Deterministic Near-Field Source Model


D.M. Boore, California, USA

Empirical and Theoretical Study of Near-Fault Wave Propagation


Chairman: N.M. NEWMARK Co-chairman: A.S. ARYA

Author Title Page No
H.W. Coulter, Washington, B.C., USA., H.H. Waldron, Colorado, USA., and J.F. Devine, Maryland, USA Seismic and Geologic Siting Considerations for Nuclear Facilities 2410
R.L. Meehan, California, USA Prepared Discussion 2420

J. Krishna, AS. Arya, A.R. Chandrasekaran, B. Chandra, S.JK.  Takkar, and P. Nandakumaran, India

Feasibility Studies for an Atomic Power Plant on Alluvial Soil in Seismic Zone

R.B. Matthiesen, G. Howard, and C.B. Smith, California, USA Seismic Considerations in Nuclear Power Plant Siting and Design 2427

J A. Fischer, H. Singh, and J.G. McWhorter, New York, USA

Selection of Seismic Design Parameters for a Nuclear Facility


DS. Mehta, P.T. Kuo, and A A. Vizzi, Maryland, USA

Survey of Aseismic Design Data for Nuclear Power Plants


A. Castellani, Italy

On Design Criteria for Equipment Mounted on a Massive Structure


P.C. Rizzo and SD. Werner, Pennsylvania, USA.

Experience with Current USAEC Criteria for Seismic and Geologic Investigation


L. Lazzeri and T. Sanň, Italy

Seismic Analysis of the Primary Building of a BW Reactor


S.W. Tagart, Jr. and M.R. Torres, California, USA

Seismic Analysis of Nuclear Components Considering Modeling Uncertainties


D.E. Shaw and SJ. Jarecki, Pennsylvania, USA

Determination of Subsurface Ground Stresses from a Given Surficial Design Response Spectra


CA. Miller and C.J. Costantino, New York, USA

Rocking Effects in a Nuclear Power Plant Subjected to a Seismic Disturbance


P.G. Smith, Florida, USA.

Seismic Fatigue Considerations in Nuclear Power Plant Design


J.D. Stevenson, Pennsylvania, USA

Seismic Design of Small Diameter Pipe and Tubing for Nuclear Power Plants


R.N. White, P. Gergely, J.P. Laible, and O.A. Fajardo; New York, U.SA

Seismic Shear Transfer Across Cracks in Concrete Nuclear Reactor Containment Vessels


C.E. Plichon, France

Earthquake Engineering in France



Author Title Page No
J. Ferry Borges, Portugal Quantification of Design Rules Based on the Assessment of Earthquake Risks 2502

E. Vitiello, Italy

Optimum Design with Equivalent Seismic Loads


FY. Cheng, Missouri, US.A

Prepared Discussion

I.H.. Chou, New Jersey, U.S.A., J.E. Goldberg, and J.T.P. Yao, Indiana, U.S.A. Design Decisions for Seismic Structures 2517

E.H. Vanmarcke, CA. Cornell, R.V. Whitman, Massachusetts, U.S.A., and J.W. Reed, Nevada, U.SA

Methodology for Optimum Seismic Design


R.V. Whitman, Massachusetts, U.S.A., J.W. Reed, Nevada, U.S.A., and S.T. Hong, Massachusetts, U.SA

Earthquake Damage Probability Matrices


G. Grandori and D. Benedetti, Italy

On the Choice of the Acceptable Seismic Risk - a New Approach


A.K. Singh and A.H.-S. Ang, Illinois, U.SA

A Stochastic Model for Predicting Seismic Response of Light Secondary Systems


W. Gersch, N.N. Nielsen, Hawaii, U.S.A., and H. Akaike, Japan

Statistically Efficient and Computationally Efficient Identification of Structural Parameters from Random Vibration Records


A.J. Schiff, P.J. Feil, and J.L. Bogdanoff, Indiana, U.SA

Estimating Structural Parameters from Response Data


H.A. Merz and C.A. Cornell, Massachusetts, U.S.A.

Aftershocks in Engineering Seismic Risk Analysis


H.C. Shah and V.N. Vagliente, California, U.S.A.

Forecasting the Risk in Earthquake Resistant Design


E. Rosenblueth and E. Mendoza, Mexico

Optimum Seismic Design of Auditoriums


L. Esteva and R. Villaverde, Mexico

Seismic Risk, Design Spectra and Structural Reliability


Chairman: E. IANSITI Co-chairman: RJ.

Author Title Page No

M. Takeuchi, K. Kotota, and S. Kazama, Japan

Vibrational Characteristics of the Structure Influenced by the Ground


S. Hayashi, Japan

A New Method of Evaluating Seismic Stability of Steel Pile Structures


R.A. Parmelee and J.H. Wronkiewicz, Illinois, USA

Dynamic Coefficients for Evaluating the Seismic Response of Soil-Structure Interaction Systems


J.W. Meek, West Germany, and AS. Veletsos, Texas, US.A

Simple Models for Foundations in Lateral and Rocking Motion


E. Kuribayashi and T. Iwasaki, Japan

Effects of Soil Deposits on Seismic Behavior of Prefabricated Highway Tunnels


MS. Aggour and C.B. Brown, Washington, USA

Retaining Walls in Seismic Areas


M. Hakuno, Japan

Evaluation of Dynamical Properties of Pile Foundation Based on Wave Dissipation Theory


K. Kinoshita and H. Kushida, Japan

Experimental Study on Vibrational Characteristics of the Structures with Embedded Foundation


Y. Gyoten, K. Mizuhata, Y. Fukuda, M. Kawamoto, and T. Shinomiya, Japan

Earthquake Response Analysis of Elastoplastic Structure-Ground Systems of Shear Type by the Direct Numerical Analysis Method


M. Novak, Canada

The Effect of Embedment on Vibration of Footings and Structures


Y. Yasui and K. Nakagawa, Japan

Sway-Rocking Vibration of Rigid Structure Embedded in an Elastic Stratum


Y. Matsushima, Japan

Hysteretic Damping Systems Applied to Soil-Structure Interaction by Finite Element Method


F. Romani, Peru

Soil-Structure Interaction in the May 31, 1970 Peruvian Earthquake


D.D. Barkan, M.N. Golubtsova,  and O.Ya. Sheckter, USS.R

Investigation in Spring Coefficients for the Base of Foundation Made of Cross Continuous Beams


Chairman: S. CHERRY Co-chairman: R. TANABASHI

Author Title Page No

T. Shiga, A. Shibata, and J. Shibuya, Japan

Dynamic Properties and Earthquake Response of a 9 Story Reinforced Concrete Building


H.C. Shah, CA. Kircher, and A.E. Eskel, California, USA

Measurements and Statistical Evaluation of Dynamic Characteristics of Full-Scale.


M. Murakami, R. Tamura, Y. Tanaka, K. Oami, Y. Osawa, and H. Umemura, Japan

Earthquake Resistance of a Steel Frame Apartment House with Precast Concrete Panel


M. Mikoshiba, F. Nemoto, Y. Nojiri, and Y. Kasai, Japan

Vibration Test on the Longest Prestressed Concrete Bridge


S. Otani and M.A. Sozen, Illinois, U.S.A.

Response of Three-Story Reinforced Concrete Frames Subjected to Simulated Earthquake Motions


D. Diaconu, M. Manolovici, C. Mihai, M. Iticovici, and D. Vasilescu, Rumania

Seismic Response of a Great Panel Structure with Ten Stories


J.A. Blume, California, U.S.A., and R.E. Scholl, Nevada, USA

Damage Prediction for Low-Rise Buildings


H. Okada, T. Takeda, K. Yoshioka, Y. Omote, and K. Nakagawa, Japan

Experiment and Research on the Response of Steel Model Structures Subjected to Impact Horizontal Loading and to Simulated Earthquakes


Y.V. Barkov and Y.V. Glina, USS.R

Theoretical and Experimental Investigations of Precast and Monolithic Frameless Buildings on Large-Scale Reinforced Concrete Models

YA. Simon, V.F. Zakharov, G.N. Ashkinadze, and ES. Gorlova, U.S.S.R. Study of Non-Linear Work of Construction of Reinforced Precast Concrete and Monolithic Framework Building by Powerful Vibration Generators 2735

I. Toma, T. Zorapapel, and V. Mironescu, Rumania

Dynamic Tests on Arch Dams


Chairman: G. GRANDORI Co-chairman: R. SHEPHERD

Author Title Page No
J.E. Haas and P.B. Trainer, Colorado, USA Effectiveness of the Tsunami Warning System in Selected Coastal Towns in Alaska 2744

W.M. Adams, Hawaii, USA

Tsunami Anomalies and Precursory Phenomena Having Potential Value as Predictors

E.J. Teal, J. Lord, and C. Meyer, California, U.S.A Multi-Degree of Freedom Response Spectra for Elastic System 2763
S.A. freeman, California, U.S.A. Prepared Discussion 2767
I.J. Oppenheim, Pennsylvania, U.S.A Dynamic Behavior of Tall Buildings with Cladding 2769
E. Calcagni, A. Vives, V. Caruz, and H. San Martin,Chile A Tentative Method for Recording and Analysing Seismic Damages in One Story  Dwellings 2774
G. Augusti and A. Baratta, Italy Cumulative Damage of Plastic Frames Subjected to Earthquakes: A Probabilistic Approach 2778
S.V. Poliakov, J.M. Eisenberg, and V.K. Papelishvili, U.S.S.R. Experimental Studies of Earthquake Resistance of a System with Disengaging Ties 2788
M. Suidan, Lebanon, and R.A. Eubanks, Illinois, U.S.A Cumulative Fatigue Damage in Seismic Structures 2792
S. Soibelman, U.S.S.R. Evaluating Ultimate State of Building under Earthquake Disturbance 2802

J.L. Hammack, Jr. and F. Raichlen, California, U.S.A.

The Initial Wave of a Tsunami Near its Source


Chairman: L. ESTEVA Co-chairman: R. HANSON

Author Title Page No

L.D. Lutes and N.C.  Chokshi, Texas, U.S.A

Maximum Response Statistics for a Linear Structure


MX. Chakravorty and E.H. Vanmarcke, Massachusetts, U.S.A

Probabilistic Seismic Analysis of Light Equipment Within Buildings


M. Shinozuka, New York U.S.A

Digital Simulation of Ground Accelerations


D. Veneziano, Italy

Analysis and Design of Hysteretic Structures for Probabilistic Seismic Resistance


E.H. Vanmarcke and D. Veneziano, Massachusetts, U.S.A.

Probabilistic Seismic Response of Simple Inelastic Systems


T. Katayama, Japan

Probabilistic Assessment of Maximum Response Acceleration


F. Kozin and R. Gran, New York, U.S.A

Analysis and Modeling of Earthquake Data


A.H. Peyrot and W.E. Saul, Wisconsin, U.S.A

Stochastic Network Formulation and Solution of Earthquake Risk in Structural Design


R.F. Drenick, New York, U.S.A

The Minimax, Versus the Statistical, Prediction of Earthquake Resistance


H. Shihata, N. Shimizu, M. Yamamuro, and T. Shigeta, Japan

On Fluctuation of Responses of a Structure


O.A. Rascon and M. Chavez, Mexico

On an Earthquake Simulation Model


Chairman: R. FLORES Co-chairman: J. RINNE

Author Title Page No

S. Yamamoto and T. Seki, Japan

Earthquake Response of Multi-Story Building Supported on Piles

J.C. Anderson and V.V. Bertero, California, U.S.A Effects of Gravity Loads and Vertical Ground Acceleration on the Seismic Response of Multistory Frames 2914
R.I. Skinner, J.M. Kelly, and A.J. Heine, New Zealand Energy Absorption Devices for Earthquake Resistant Structures 2924

C. Goel and RD. Hanson, Michigan, U.S.A

Seismic Behavior of Multistory Braced Steel Frames


S.F. Masri and L.L. Yang, California, U.S.A

Earthquake Response Spectra of Systems Provided with Nonlinear Auxiliary Mass Dampers


K. Matsushita and M. Izumi, Japan

Application of Input Controlling Mechanisms to Structural Design of a Tall Building


N.C. Nigam and S. Narayanan, India

Structural Optimization in Aseismic Design


G. Brankov and I. Paskaleva, Bulgaria

Optimal Designing of Tower Structures Under Seismic Action


J. Solnes, Iceland, and O.L. Hoist, Denmark

Optimization of Framed Structures Under Earthquake Loads


FY. Cheng, Missouri, US.A

Prepared Discussion


Chairman: D. SFINTESCO Co-chairman: K.V. STEINBRUGGE

Author Title Page No

A.J. Schiff and J.T.P. Yao, Indiana, USA

Mitigating Earthquake Effects on Electric Power Systems


EM. O'Connor, California, USA

Efforts to Correct Existing Earthquake Hazardous Buildings in the State of California


E.C. Brinley, Jr., Connecticut, U.S.A.

Hazard Reduction Through Earthquake Resistant Design


R.L. Meehan, California, U.S.A

Implementation of California's Seismic Planning Law at the Local Government Level


K.V. Steinbrugge and HJ. Lagorio, California, U.S.A

Earthquake Disaster Preparedness: Engineering Aspects of Planning


F.W. Evans, Missouri, USA

Earthquake Engineering for the Smaller Dwelling