Design of geotechnical engineering problems that involve BwJNi6,
dynamic loading of soils and soil–structure interaction Qn *6D
systems requires the determination of two important L< 0=giE
parameters, the shear modulus and the damping +jcdf }
of the soils. The recent developments in the numerical w'd.;
analyses for the nonlinear dynamic responses of grounds N%O[
due to strong earthquake motions have increased the rwoF}}
demand for the dynamic soil properties corresponding }g}6qCv7
to large strain level also. Further, the most common cause rW[SU :
of ground failure during earthquakes is the liquefaction >[K0=nA
phenomenon which has produced severe damage all 9#u }^t
over the world. This paper summarizes the methods of e:qo_eSC^-
determining the dynamic properties as well as potential u/ } xE7G
for liquefaction of soils. Parameters affecting the dynamic yHl@_rN
sC
properties and liquefaction have been brought out. ,MRvuw0P
A simple procedure of obtaining the dynamic properties SLSF
<$
of layered ground has been highlighted. Results of a h>dxBN
series of cyclic triaxial tests on liquefiable sands collected Z%Vr+)!4
from the sites close to the Sabarmati river belt have been Y\.D Q
presented.
