Design of geotechnical engineering problems that involve =T -&j60
dynamic loading of soils and soil–structure interaction 1$D_6U:H0
systems requires the determination of two important 6h lc1?
parameters, the shear modulus and the damping !j:9`XD|
of the soils. The recent developments in the numerical R@/"B8H
analyses for the nonlinear dynamic responses of grounds ,I7E[LU
due to strong earthquake motions have increased the 5 xppKt
demand for the dynamic soil properties corresponding ABQa 3{v
to large strain level also. Further, the most common cause @aAW*D~-J
of ground failure during earthquakes is the liquefaction )[PtaPWeT
phenomenon which has produced severe damage all 8VeQ-#7M/
over the world. This paper summarizes the methods of v>$'iT~ l
determining the dynamic properties as well as potential isQ[ Gc!8
for liquefaction of soils. Parameters affecting the dynamic eFaO7mz5V%
properties and liquefaction have been brought out. !B\R''J5
A simple procedure of obtaining the dynamic properties "]"|"0#i
of layered ground has been highlighted. Results of a q |j2MV5#g
series of cyclic triaxial tests on liquefiable sands collected W~zbm]
from the sites close to the Sabarmati river belt have been 9X j7~,
presented.
