Japanese Geotechnical Society Special Publication
Online ISSN : 2188-8027
ISSN-L : 2188-8027
THE SECOND JAPAN-INDIA WORKSHOP IN GEOTECHNICAL ENGINEERING
Seismic resilience of retaining walls backfilled with sand–tire chips mixtures
Bali Reddy SodomMurali Krishna AdapaS. Murty Dasaka
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2015 Volume 3 Issue 2 Pages 20-23

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Abstract

Seismic resilience of retaining wall with different sand – tire chips (STC) mixtures as backfill materials has been investigated. This paper presents the results of 1g-shaking table model tests carried out on retaining wall models of 600 mm height backfilled with different proportions of STC mixtures. The test program used two types of scaled earthquake input motions: Sikkim and South Napa. Model walls behaviours are presented in terms of incremental earth pressures acting on the wall and the associated displacements, as well as the accelerations at various locations of the model wall. Physical model test results revealed that the seismic incremental earth pressures, wall displacements, and accelerations were significantly reduced by using STC mixtures as backfill materials. Based on experimental model results, STC mixture backfills showed higher seismic resilience behavior compared to that of with conventional sand backfill.

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