Design of geotechnical engineering problems that involve g2W ZW#a)
dynamic loading of soils and soil–structure interaction 1|xo4fmV
systems requires the determination of two important pJ H@v
&a
parameters, the shear modulus and the damping %3 VToj@`>
of the soils. The recent developments in the numerical )dZ1$MC[
analyses for the nonlinear dynamic responses of grounds zc%HBZ3p
due to strong earthquake motions have increased the oq9gG)F
demand for the dynamic soil properties corresponding eAbp5}B
to large strain level also. Further, the most common cause m15> ^i^W
of ground failure during earthquakes is the liquefaction $o> 6Io|D
phenomenon which has produced severe damage all
=U+_;;F =
over the world. This paper summarizes the methods of #tlhH\Pr[
determining the dynamic properties as well as potential ]5j1p6 ;(`
for liquefaction of soils. Parameters affecting the dynamic RS
/*D p^
properties and liquefaction have been brought out. QVP J$~x
A simple procedure of obtaining the dynamic properties Q(ec>+oi
of layered ground has been highlighted. Results of a T{mIk p<
series of cyclic triaxial tests on liquefiable sands collected P_%kYcX'
from the sites close to the Sabarmati river belt have been -{s9PZ3~_
presented.
