Design of geotechnical engineering problems that involve 3UEh%Ho
dynamic loading of soils and soil–structure interaction "Y6 f.rB
systems requires the determination of two important V_:/#G]jeG
parameters, the shear modulus and the damping &F)l vtt|
of the soils. The recent developments in the numerical L=>N#QR7
analyses for the nonlinear dynamic responses of grounds :v+ 39
due to strong earthquake motions have increased the o_S8fHqjt
demand for the dynamic soil properties corresponding juM ?y'A
to large strain level also. Further, the most common cause H~&'`h1
of ground failure during earthquakes is the liquefaction !^%b|=[
phenomenon which has produced severe damage all :D EZ$gi
over the world. This paper summarizes the methods of L))(g][;
determining the dynamic properties as well as potential zc _ 3\N
for liquefaction of soils. Parameters affecting the dynamic 8V@3T/}
properties and liquefaction have been brought out. fa)G$Q
A simple procedure of obtaining the dynamic properties Xg"=,j2
of layered ground has been highlighted. Results of a dCBJV
series of cyclic triaxial tests on liquefiable sands collected D<:9pLD(
from the sites close to the Sabarmati river belt have been >:.Bn 8-
presented.
