Design of geotechnical engineering problems that involve xU6)~ae`JW
dynamic loading of soils and soil–structure interaction =c8xg/
systems requires the determination of two important At3>
parameters, the shear modulus and the damping o'+p,_y9Y@
of the soils. The recent developments in the numerical CD]"Q1
t}
analyses for the nonlinear dynamic responses of grounds wx S.!9 K
due to strong earthquake motions have increased the #{-B`FAQ
demand for the dynamic soil properties corresponding *6IytW OX5
to large strain level also. Further, the most common cause J!YB_6b
of ground failure during earthquakes is the liquefaction Wl\.*^`k
phenomenon which has produced severe damage all .hPk}B/KV
over the world. This paper summarizes the methods of bbddbRj;
determining the dynamic properties as well as potential
= ss(~[
for liquefaction of soils. Parameters affecting the dynamic 1P;J%. {
properties and liquefaction have been brought out. Utd`T+AF*
A simple procedure of obtaining the dynamic properties N`,ppj
of layered ground has been highlighted. Results of a r01Z
0>
series of cyclic triaxial tests on liquefiable sands collected DP_ ]\V<sT
from the sites close to the Sabarmati river belt have been aQzx^%B1
presented.
