Seismic Response of Rigid Faced Reinforced Soil Retaining Walls

Seismic Response of Rigid Faced Reinforced Soil Retaining Walls

Arup Bhattacharjee (Jorhat Engineering College, India) and A. Murali Krishna (Indian Institute of Technology Guwahati, India)
Copyright: © 2012 |Pages: 14
DOI: 10.4018/jgee.2012070101
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Abstract

Reinforced soil walls offer excellent solution to problems associated with earth retaining structures under seismic conditions. Among different types of reinforced soil walls, rigid faced walls are widely used in various infrastructure projects. Presented is the seismic response of such rigid faced reinforced soil retaining walls through numerical models. Development of numerical model for simulating the shaking table tests on rigid faced reinforced soil retaining walls and its application in investigating the seismic response of wall models are presented. These models are discussed in depth in the article. The results obtained from the numerical simulations are validated with that of experimental studies reported in the literature. Sensitivity analyses are conducted to understand the affect of different material properties like backfill friction angle, backfill dilation angle and stiffness of reinforcement on model response.
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Background

Many researchers worked on static performance of reinforced soil walls (Karpurapu & Bathurst, 1992; Ho & Rowe, 1996; Rowe & Ho, 1997; Rowe & Skinner, 2001; Ling & Leshchinsky, 2003; Hatami & Bathurst, 2005, 2006; Skinner & Rowe, 2005). The effect of geometric parameters such as reinforcement length, numbers of layers of reinforcement, distribution of reinforcement and wall height on the static forces developed were analyzed.

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