Design of geotechnical engineering problems that involve GjmPpKIu\
dynamic loading of soils and soil–structure interaction !G0OD$
systems requires the determination of two important ,1}c% C*,Q
parameters, the shear modulus and the damping rk$$gXg9/
of the soils. The recent developments in the numerical cM= ? {W7~
analyses for the nonlinear dynamic responses of grounds ;ORT#7CU
due to strong earthquake motions have increased the
9z9EK'g
demand for the dynamic soil properties corresponding q
(?%$u.
to large strain level also. Further, the most common cause w[bhm$SX]B
of ground failure during earthquakes is the liquefaction y Jj$ir i
phenomenon which has produced severe damage all NZ}DbA+g;|
over the world. This paper summarizes the methods of Vlk]
determining the dynamic properties as well as potential = % O @%v
for liquefaction of soils. Parameters affecting the dynamic ?'@tx4#v\2
properties and liquefaction have been brought out. hd@ >p.
A simple procedure of obtaining the dynamic properties d1"%sI
of layered ground has been highlighted. Results of a QR+{Y p
series of cyclic triaxial tests on liquefiable sands collected 3j]P\T
from the sites close to the Sabarmati river belt have been t =IpV l!
presented.
