Cyclic Triaxial Testing System to Evaluate Shear Strength and Liquefaction Potential of Noncohesive Soils

The triaxial cyclic loading frame is designed as a stand unit in which the mechanics, pneumatic as well as the necessary electronic interface to the computer have been installed. Cyclic triaxial test is capable of applying a uniform sine, square and triangular load at a frequency within the range of 0.001 Hz to 100 Hz. The cyclic triaxial test consists of imposing either a cyclic axial deviator stress of fixed magnitude (load control) or cyclic axial deformation (stroke control) on a cylindrical soil specimen enclosed in a triaxial pressure cell. The result of axial strain and axial stress are measured and used to calculate either stressdependent or stroke-dependent modulus or damping. The cyclic triaxial modulus or damping test provides parameter that may be considered for use in dynamic, linear and non linear analytical methods. One of the primary purposes of these test method is to obtain data that are used to calculate Young’s modulus and Liquefaction Potential.

Location:

Department of Civil Engineering

IIT Kanpur

Contact:

Prof. Nihar Ranjan Patra
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Figure 1