Design of geotechnical engineering problems that involve Z8vMVo
dynamic loading of soils and soil–structure interaction VycC uq&M
systems requires the determination of two important _FpZc ?=
parameters, the shear modulus and the damping #fB&Hv #s7
of the soils. The recent developments in the numerical )y~FeKh
analyses for the nonlinear dynamic responses of grounds 8&[Lr o9
due to strong earthquake motions have increased the g2?kC^=z=
demand for the dynamic soil properties corresponding VTS7K2lBvX
to large strain level also. Further, the most common cause ~!V5Ug_2
of ground failure during earthquakes is the liquefaction F+
,eJ/]
phenomenon which has produced severe damage all j:|um&`)
over the world. This paper summarizes the methods of 0%x"Va~"z
determining the dynamic properties as well as potential (L`7-6e(Ab
for liquefaction of soils. Parameters affecting the dynamic 8b f_W3
properties and liquefaction have been brought out. QuB`}rfLf
A simple procedure of obtaining the dynamic properties ~7CQw^"R@
of layered ground has been highlighted. Results of a j ?c"BF.
series of cyclic triaxial tests on liquefiable sands collected M TnW5W-r9
from the sites close to the Sabarmati river belt have been `.oWmBey\
presented.
