Aseismic analysis of flood protection levee of Qiangtang River in Hangzhou area

XU Chang-jie; CAI Yuan-qiang

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Aseismic analysis of flood protection levee of Qiangtang River in Hangzhou area

更新时间：2026-06-25

- Aseismic analysis of flood protection levee of Qiangtang River in Hangzhou area
- Vol. 27, Issue 1, (2006)
- 作者机构：
  
  浙江大学土木工程系,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TV641
- Online First：31 October 2013，
  
  Published：2006
- 稿件说明：
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XU Chang-jie, CAI Yuan-qiang. Aseismic analysis of flood protection levee of Qiangtang River in Hangzhou area[J]. 2006, 27(1).
DOI：

XU Chang-jie, CAI Yuan-qiang. Aseismic analysis of flood protection levee of Qiangtang River in Hangzhou area[J]. 2006, 27(1). DOI：

摘要

通过动力试验研究了杭州钱塘江防洪堤基的动力特性，并用原位和室内分析法判别了堤基液化的可能性，在有限元分析时，改进了工程上常用的排水有效应力动反应分析方法，在地震期间采用Biot动力固结方程进行动力分析，可以同时考虑地震期间孔压的上升及固结消散对防洪堤的抗震液化和稳定性进行分析。采用非线性成层地基反演技术，反演分析基岩地震加速度曲线，对堤坝地震反应进行分析。地震响应的各种结果对于了解今后防洪堤在地震期间的运行状态具有一定指导意义。

Abstract

By the dynamic test

the dynamic properties of the silty sand of Hangzhou Qiangtang River flood protection levee are studied. The possibility of liquefaction is judged by the in-situ and laboratory tests. The liquefaction and dynamic stability are studied by adopting the Biot’s dynamic consolidation equation to do finite element analysis

which can consider the increasing as well as dissipating of pore water pressure during the earthquake. By the inverse analysis method

the acceleration at the basement rock obtained from free surface is inputted as seismic loading. The result will help us to understand the levee behavior during the earthquake intensity of 7 degree.

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