Design of geotechnical engineering problems that involve 8r*E-akuyr
dynamic loading of soils and soil–structure interaction OV1_|##LC
systems requires the determination of two important %6|nb:Oa
parameters, the shear modulus and the damping ^=GC3%
J
of the soils. The recent developments in the numerical w#ZoZZ wh
analyses for the nonlinear dynamic responses of grounds Y@;CF
due to strong earthquake motions have increased the /K+r?
]kf
demand for the dynamic soil properties corresponding ;"a=gr
to large strain level also. Further, the most common cause cq,S P&T~
of ground failure during earthquakes is the liquefaction AFq~QXmr)
phenomenon which has produced severe damage all +^` I?1\UF
over the world. This paper summarizes the methods of =2`[&
determining the dynamic properties as well as potential QE^$=\l0
for liquefaction of soils. Parameters affecting the dynamic vNyf64)
properties and liquefaction have been brought out. .< ->C?#
A simple procedure of obtaining the dynamic properties 2~Kgv|09
of layered ground has been highlighted. Results of a G!Op~p@Jm
series of cyclic triaxial tests on liquefiable sands collected "IZa!eUW
from the sites close to the Sabarmati river belt have been 7o7)0l9!
presented.
