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A Study on Evaluation of Modulus of Horizontal Subgrade Reaction through Field Test and Numerical Analysis
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 Title & Authors
A Study on Evaluation of Modulus of Horizontal Subgrade Reaction through Field Test and Numerical Analysis
Kang, Byungyun; Park, Minchul; Lee, Sihyung; Jang, Kisoo; Koo, Jagap; Park, Kyunghan;
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For achieving stability and economic construction at a retaining wall construction site, quantitative parameters of soil properties with excavation steps coincides with the actual field site. The main parameters of retaining wall design such as deformation modulus and modulus of horizontal subgrade reaction are common with N value of standard penetration test. Therefore, this study is compared and analyzed about the mutual relationship which is SPT, PBT and PMT for overcoming inconsistency of the existing retaining wall design generalized. In addition, modulus of horizontal subgrade reaction and reduction factor with excavation steps are proposed through back analysis of elasto-plasticity and finite element method with actual field monitoring data. Finally, it is purpose that parameter errors are reduced for applying effective retaining wall design at a construction small and medium-sized.
Modulus of horizontal subgrade reaction;Deformation modulus;Reduction factor;Back analysis;
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