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A platform for research: civil engineering, architecture and urbanism
The Bearing Capacity of Excavated Pile under Load Test and Finite Element Analysis
This paper is used to study on the analysis and prediction of surface subsidence caused by pipe roof reinforcement method construction. Take one of the Shenyang's sewage disposal projects to be investigated, it monitored on field surface subsidence in the construction of under drain. During the measurement and monitoring, except for conventional measurement of surface subsidence according to code and peripheral convergence and so on, in order to analysis changes of stress and strain of the pipe roof in the whole construction of under drain. It also respectively arranges JMZX-212 intelligent string type of strain gauge in both internal and external sides of vault and hence. It used the Element Birth/Death of finite element software basing on the field data, using elastic-plastic and nonlinear finite element method. Material constitutive relationship used moor-coulomb model, simulating the process of tunnel of excavation and support, researching and stimulating the surface subsidence. The surface settlement of value was calculated applying finite theory via the numerical simulation, it based on prototype of engineering, which was approximately in accord with the measured value in field. The correctness of soil constitutive model chosen and boundary conditions used is verified, meanwhile, the numerical simulation shows the validity of the method. the results provide reference to similar construction method in the future.
The Bearing Capacity of Excavated Pile under Load Test and Finite Element Analysis
This paper is used to study on the analysis and prediction of surface subsidence caused by pipe roof reinforcement method construction. Take one of the Shenyang's sewage disposal projects to be investigated, it monitored on field surface subsidence in the construction of under drain. During the measurement and monitoring, except for conventional measurement of surface subsidence according to code and peripheral convergence and so on, in order to analysis changes of stress and strain of the pipe roof in the whole construction of under drain. It also respectively arranges JMZX-212 intelligent string type of strain gauge in both internal and external sides of vault and hence. It used the Element Birth/Death of finite element software basing on the field data, using elastic-plastic and nonlinear finite element method. Material constitutive relationship used moor-coulomb model, simulating the process of tunnel of excavation and support, researching and stimulating the surface subsidence. The surface settlement of value was calculated applying finite theory via the numerical simulation, it based on prototype of engineering, which was approximately in accord with the measured value in field. The correctness of soil constitutive model chosen and boundary conditions used is verified, meanwhile, the numerical simulation shows the validity of the method. the results provide reference to similar construction method in the future.
The Bearing Capacity of Excavated Pile under Load Test and Finite Element Analysis
Hao, Feng-Shan (author) / Guo, Ying (author) / Huang, Yu (author)
2012
6 Seiten
Conference paper
English
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