2011•Journal of Zhejiang University(Engineering Science)Requires access
Active earth pressure on retaining wall with multiple layer of cohesive backfill
Ma Shao-jun Wang Kui-hua
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Abstract
A reasonable method was proposed to calculate active earth pressure on retaining wall with multiple layer of cohesive soil.Based on sliding plane hypothesis,a formula was derived for the calculation of active earth pressure on retaining wall with multi-layered cohesive soil considering the cohesion force on sliding plane and the adhesive force on interface of backfill and retaining wall.The formula can also calculate the active earth pressure on retaining wall with homogeneous backfill.The calculation results of the present study were compared with that of improved layer method and measured value,and the results accorded well with the measuring results.The active earth pressure acting on retaining wall with granular soil can be calculated by the method of layer analysis,whereas,it is suggested to adopt the proposed method to calculate the active force with cohesive soil.