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3-D FEM Dynamic Analysis on Asphalt Concrete Core-wall Rockfill Dam Built on Deep Overburden Layers

Author: ZuoHongGang
Tutor: ZhuZuo
School: Hohai University
Course: Hydraulic Structure Engineering
Keywords: Deep overburden Asphalt core wall Dynamic finite element Permanent deformation Slope stability
CLC: TV641.41
Type: Master's thesis
Year: 2006
Downloads: 353
Quote: 3
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Abstract


With the western development and the needs of the South , Southwest China will build a number of high dam, some of which are located in earthquake zones , and the foundation overburden depth of one hundred meters . Built on deep overburden on the role of high earth can withstand earthquakes , as well as the dynamic response under earthquake seismic stability and how , has become an urgent problem to be solved . This paper analyzes the characteristics and power dam damage calculation method based on the combination of the Dadu River proposed Huangjinping asphalt concrete core rockfill dam a 3D finite element dynamic analysis . Main work is as follows : 1. Analyzes and describes the characteristics of dam damage at home and abroad the construction of high earth earthquake zone status , review dam 's dynamic analysis method development and status . 2 introduces the basic hydraulic asphalt concrete material properties and static and dynamic constitutive model of relevant developments . 3 three-dimensional nonlinear finite element method , combined Huangjinping project example, built on deep overburden layer of asphalt concrete core dam for power calculation, analysis rockfill , asphalt concrete core wall , cut-off wall and other parts of the earthquake dynamic response of the process , a permanent deformation of the dam . 4 by the finite element method analysis of slope stability against sliding under the earthquake , and with the quasi-static method, results are compared to determine the slope of the earthquake process security and stability.

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CLC: > Industrial Technology > Hydraulic Engineering > Water control,hydraulic structures > Dams > Earth dam (local material dams, fill dams ) > Rockfill dam > Core rockfill dam
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