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Discrimination and Finite Element Analysis of Dam Foundation Liquefaction under Earthquake Excitation

Author: LiJingMei
Tutor: YangJinLiang
School: Tianjin University
Course: Geotechnical Engineering
Keywords: Dynamic triaxial test The standard penetration blow count Anti-liquefaction shear stress Shear wave velocity Finite Element Analysis Equivalent linear model Effective stress method
CLC: TV223
Type: Master's thesis
Year: 2004
Downloads: 302
Quote: 3
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Abstract


China is an earthquake country , and the huge damage caused by the earthquake spurred the accurate assessment and prediction of the seismic performance of existing buildings . Vibration liquefied soil depth research paper based on the actual project Liquefaction and finite element analysis . The test is based on the use of standard penetration blow count test , anti-liquefaction shear stress , shear wave velocity test results Liquefaction . And discrimination results of the comparative analysis of three methods to prove the three methods for liquefaction discrimination results are basically the same . While cumulative pore pressure analysis , that the soil pore pressure reaches 80% of the overburden pressure -induced liquefaction . And finite element analysis on the dam foundation soil liquefaction based on the use of the power of effective stress analysis method . Contrast and Liquefaction results with standard penetration strike number method , shear wave velocity method , anti- the liquefied shear stress law discrimination results prove the correctness and reliability of the use of the finite element analysis program discriminant vibration of the soil liquefaction . The use of the nonlinear finite element program , the size of the seismic intensity is a comparative analysis of the occurrence and development impact of liquefaction and pore pressure , a comparative analysis of the same time lying clay layer under the dam foundation Soil liquefaction effects .

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CLC: > Industrial Technology > Hydraulic Engineering > Hydraulic investigation of hydraulic design > Foundation and its reinforcement
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