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ZHANG Long, LIU Yao-ru, YANG Qiang, LI Bo. Global stability of Yangfanggou Arch Dam by 3D nonlinear FEM analysis and geomechanical model tests[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 239-246.
Citation: ZHANG Long, LIU Yao-ru, YANG Qiang, LI Bo. Global stability of Yangfanggou Arch Dam by 3D nonlinear FEM analysis and geomechanical model tests[J]. Chinese Journal of Geotechnical Engineering, 2013, 35(zk1): 239-246.

Global stability of Yangfanggou Arch Dam by 3D nonlinear FEM analysis and geomechanical model tests

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  • Received Date: April 07, 2013
  • Published Date: July 18, 2013
  • The global stability is an important aspect in design and construction of arch dams. The global stability of dams is a three-dimensional nonlinear problem which involves heterogeneity, porous media, irreversible damage evolution. The nonlinear finite element method and geomechanical model tests are the main means to study the global stability of arch dams. Numerical simulation by a nonlinear finite element method (TFINE code) and a geomechanical model test with scale of 200∶1 are introduced. The displacement and stress distribution rules, failure mechanism and global stability of dams are explored according to the simulations and tests respectively. Both results are in good agreement. The global stability of the dams is evaluated synthetically by combining the results, the relatively weak site of abutment rock mass is provided, and some advises are proposed.
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