Design of geotechnical engineering problems that involve k86j&
.m_
dynamic loading of soils and soil–structure interaction y?@(%PTp
systems requires the determination of two important d\A!5/LG
parameters, the shear modulus and the damping T?V!%AqY:
of the soils. The recent developments in the numerical xN=:*#Z"pb
analyses for the nonlinear dynamic responses of grounds af<wUxM0
due to strong earthquake motions have increased the @eU5b63jM
demand for the dynamic soil properties corresponding TIre,s)_
to large strain level also. Further, the most common cause < k?jt
of ground failure during earthquakes is the liquefaction 97SOa.@
phenomenon which has produced severe damage all z*B-`i.
over the world. This paper summarizes the methods of j$jgEtPK9=
determining the dynamic properties as well as potential lD\vq 2
for liquefaction of soils. Parameters affecting the dynamic y=spD^tM8
properties and liquefaction have been brought out. ~Ddlr9Ej
A simple procedure of obtaining the dynamic properties S1D=' k]
of layered ground has been highlighted. Results of a u[G`_Y{=EM
series of cyclic triaxial tests on liquefiable sands collected N#zh$0!8bJ
from the sites close to the Sabarmati river belt have been sbV
{RSl
presented.