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Modeling wrap faced reinforced soil retaining walls subjected to dynamic excitation

Krishna, Murali A and Latha, Madhavi G (2008) Modeling wrap faced reinforced soil retaining walls subjected to dynamic excitation. In: The 12th International Conference of International Association for Computer Methods and Advances in Geomechanics (IACMAG), 1-6 October, 2008, Goa, India.

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Abstract

This paper describes some of the physical and numerical model tests of reinforced soil retaining walls subjected to dynamic excitation through uni-axial shaking tests. Models of retaining walls are constructed in a perspex box with geotextile reinforcement using the wrap around technique with dry sand backfill and instrumented with displacement sensors, accelerometers and soil pressure sensors. Numerical modelling of these shaking table tests is carried using FLAC. Numerical model is validated by comparing physical model results. Responses of wrap faced walls with different number of reinforcement layers are discussed from both the physical and numerical model tests. Results showed that the displacements are decreasing with the increase in number of reinforcement layers while acceleration amplifications are not affected significantly.

Item Type: Conference Paper
Keywords: reinforced soil;wrap-faced walls;shaking table;numerical simulation;FLAC
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 13 Oct 2011 11:23
Last Modified: 13 Oct 2011 11:23
URI: http://eprints.iisc.ernet.in/id/eprint/40802

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