Seismic Response Analysis of an Earth-rockfill Dam on Thick Loess Alluvial Deposit

岑威钧; 顾淦臣; 隋世军

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Seismic Response Analysis of an Earth-rockfill Dam on Thick Loess Alluvial Deposit

更新时间：2025-12-11

- Seismic Response Analysis of an Earth-rockfill Dam on Thick Loess Alluvial Deposit
- Vol. 29, Issue 1, Pages: 51-56(2009)
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  CLC： V641;TV312
- Published：2009
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[1]岑威钧,顾淦臣,隋世军.深厚黄土覆盖层上土石坝地震响应特性分析[J].防灾减灾工程学报,2009,29(01):51-56.

岑威钧, 顾淦臣, 隋世军. Seismic Response Analysis of an Earth-rockfill Dam on Thick Loess Alluvial Deposit[J]. 2009, 29(1): 51-56.
[1]岑威钧,顾淦臣,隋世军.深厚黄土覆盖层上土石坝地震响应特性分析[J].防灾减灾工程学报,2009,29(01):51-56. DOI：

岑威钧, 顾淦臣, 隋世军. Seismic Response Analysis of an Earth-rockfill Dam on Thick Loess Alluvial Deposit[J]. 2009, 29(1): 51-56. DOI：

摘要

采用非线性有限单元法和笔者曾提出的动孔压试验曲线法

对某深厚黄土覆盖层上土石坝进行了有效应力法地震响应分析

重点分析大坝的绝对加速度、动位移和动应力等动力响应及动孔隙水压力分布情况。分析结果表明

在现有设计条件下

由于坝基软弱黄土覆盖层较厚

大坝在7度地震作用下地震响应不强烈

但坝基黄土覆盖层会出现液化情况

需采取相应的抗液化工程措施。

Abstract

The 2D non-linear effective stress FEM and test curve method for calculation of dynamic pore water pressure which was suggested by the second author are applied to analyze the dynamic response of an earth-rockfill dam on thick loess alluvial deposit

with emphasis on the distribution characters of absolute acceleration

dynamic displacement

dynamic stress and dynamic pore water pressure.The calculation results show that the dynamic response of the dam is not strong because of the soft deep loess alluvial deposit

but the loess alluvial deposit will be liquefied under the earthquake with intansity of 7 degree on the present design condition.Therefore

the resistance method of liquefaction should be adopted for the loess foundation.

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references

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大伙房土坝砂质坝壳抗震设计回顾 [J]. 顾淦臣. 岩土工程学报 . 1999(06)

堤坝边坡地震液化失稳有效应力法分析研究 [J]. 孙明权,顾淦臣. 水利学报 . 1994(04)

册田水库南副坝地基砂层液化分析 [J]. 孙明权,顾淦臣,孟祥敏. 华北水利水电学院学报 . 1992(03)

土坝抗震的有效应力动力分析研究 [J]. 孙明权,顾淦臣. 人民黄河 . 1990(06)

高尾矿坝的地震液化和稳定分析 [J]. 徐志英,沈珠江. 岩土工程学报 . 1981(04)

论土石坝的地震液化验算和坝坡抗震稳定计算 [J]. 顾淦臣. 岩土工程学报 . 1981(04)

土石坝地震工程[M]. 河海大学出版社 , 顾淦臣编著, 1989

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