Design of geotechnical engineering problems that involve __2<v?\
dynamic loading of soils and soil–structure interaction ==& y9e
systems requires the determination of two important D:;idUO
parameters, the shear modulus and the damping #{vC =m73
of the soils. The recent developments in the numerical IHYLM;@L
analyses for the nonlinear dynamic responses of grounds t* =[ RS*
due to strong earthquake motions have increased the
fT|A^
demand for the dynamic soil properties corresponding ATl?./T u
to large strain level also. Further, the most common cause UXs)$
of ground failure during earthquakes is the liquefaction @p
L9a1PJv
phenomenon which has produced severe damage all xC,x_:R`
over the world. This paper summarizes the methods of >WIc" y.
determining the dynamic properties as well as potential gf1+yJ^d!
for liquefaction of soils. Parameters affecting the dynamic m3 gv %h
properties and liquefaction have been brought out. i=cST8!8N
A simple procedure of obtaining the dynamic properties G[A3H>
>
of layered ground has been highlighted. Results of a KWZhCS?[(
series of cyclic triaxial tests on liquefiable sands collected l6y}>]
from the sites close to the Sabarmati river belt have been ])o{!}QUl\
presented.
