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Active Earth Pressure Acting on Excavation Wall Located Near Existing Wall Face  

Lee, Jin-Sun (원광대학교 토목환경공학과)
Publication Information
Journal of the Korean GEO-environmental Society / v.13, no.12, 2012 , pp. 67-74 More about this Journal
Abstract
The arching effect of the active earth pressure acting on an excavation wall subjected to close excavation reduces lateral earth pressure acting on excavation wall. In this paper, the arching effect was estimated for varying width to excavation depth ratio and wall friction angle by analytical and numerical methods verified with centrifuge test results. The arching effect is significant when the width to excavation depth ratio and wall friction angle is decreased and increased, respectively. The analytical solution derived from the classical arching theory suggested by Handy(1985) shows good agreement with the numerical solution than the other solutions.
Keywords
Lateral Earth pressure; Excavation; Numerical Analysis; Shoring wall; Arching;
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