FEM simulation of the bearing capacity of level reinforced sand ground subjected to footing load

N. Kotake, F. Tatsuoka, T. Tanaka, M. S.A. Siddiquee, C. C. Huang

研究成果: Article同行評審

31 引文 斯高帕斯(Scopus)

摘要

To obtain a better understanding of the bearing capacity characteristics of reinforced sand subjected to a footing load and the associated reinforcing mechanisms, results from plane strain laboratory model tests were simulated using a nonlinear elastoplastic finite element model (FEM). The following factors, which affect the strength and deformation of sand, were considered in the simulations: (i) confining pressure; (ii) anisotropy; (iii) nonlinear strain-hardening and strain-softening; (iv) dilatancy; and (v) strain localization into a shear band(s) having a width proportional to the particle size. Simulated load-settlement relationships were generally in good agreement with the physical experimental results. The strain and stress fields obtained from the FEM analysis clearly reveal that the ground failure is extremely progressive. The peak strength is never mobilized simultaneously along the potential failure planes.

原文English
頁(從 - 到)501-549
頁數49
期刊Geosynthetics International
8
發行號6
DOIs
出版狀態Published - 2001

All Science Journal Classification (ASJC) codes

  • 岩土工程與工程地質

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