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Seismic rotational displacement of gravity walls by pseudo-dynamic method: Passive case

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Title Seismic rotational displacement of gravity walls by pseudo-dynamic method: Passive case
 
Creator CHOUDHURY, D
NIMBALKAR, S
 
Subject retaining walls
rigid walls
earthquakes
pressures
behavior
earthquakes
retaining wall
dynamics
time dependence
soil-wall interaction
design parameters
 
Description Prediction of the seismic rotational displacements of retaining wall under passive condition is an important aspect of design in earthquake prone region. In this paper, the pseudo-dynamic method is used to compute the rotational displacements of rigid retaining wall supporting cohesionless backfill under seismic loading for the passive earth pressure condition. The proposed method considers time, phase difference and effect of amplification in shear and primary waves propagating through both the backfill and the retaining wall. The influence of ground motion characteristics on rotational displacement of the wall is evaluated. Also the effects of variation of parameters like wall friction angle, soil friction angle, amplification factor, shear wave velocity, primary wave velocity, period of lateral shaking, horizontal and vertical seismic accelerations on the rotational displacements are studied. The rotational displacement of the wall increases substantially with increase in amplification of both shear and primary waves, time of input motion, period of lateral shaking and decreases with increase in soil friction angle, wall friction angle. The rotational displacements of the wall also increase when the effect of wall inertia is taken into account. Results are provided in graphical form. (c) 2006
 
Publisher ELSEVIER SCI LTD
 
Date 2011-07-22T12:47:31Z
2011-12-26T12:52:26Z
2011-12-27T05:37:36Z
2011-07-22T12:47:31Z
2011-12-26T12:52:26Z
2011-12-27T05:37:36Z
2007
 
Type Article
 
Identifier SOIL DYNAMICS AND EARTHQUAKE ENGINEERING, 27(3), 242-249
0267-7261
http://dx.doi.org/10.1016/j.soildyn.2006.06.009
http://dspace.library.iitb.ac.in/xmlui/handle/10054/6231
http://hdl.handle.net/10054/6231
 
Language en