Design of geotechnical engineering problems that involve W#7-%o T
dynamic loading of soils and soil–structure interaction rI66frbj
systems requires the determination of two important 7W firRM
parameters, the shear modulus and the damping {R!TUQ5
of the soils. The recent developments in the numerical 9Q7c UoxY
analyses for the nonlinear dynamic responses of grounds mRnzP[7-\)
due to strong earthquake motions have increased the ajW$d!
demand for the dynamic soil properties corresponding .Xz"NyW
to large strain level also. Further, the most common cause bA^: p3
of ground failure during earthquakes is the liquefaction #u5;utY:F
phenomenon which has produced severe damage all [-Tt11
over the world. This paper summarizes the methods of ?Wz(f {Hm
determining the dynamic properties as well as potential Q0uO49sg
for liquefaction of soils. Parameters affecting the dynamic f9XO9N,hE:
properties and liquefaction have been brought out. pD_eo6xX
A simple procedure of obtaining the dynamic properties :G=1$gb
of layered ground has been highlighted. Results of a `pAp[]SfQd
series of cyclic triaxial tests on liquefiable sands collected rn[}{1I33Q
from the sites close to the Sabarmati river belt have been )7 "DR+;:
presented.
