Research on the Dynamic Response of Zhuziqing Tailings Dam

被引：1
|
作者：
Liu Wenlian [1 ,2 ]
Xie Jianbin [3 ]
Cheng Heming [1 ]
He Tianchun [3 ]
机构：
[1] Kunming Univ Sci & Technol, Coll Architectural Engn, Kunming 650093, Peoples R China
[2] Kunming Prospecting Design Inst China Nonferrous, Kunming 650051, Peoples R China
[3] Yunnan Univ, Dept Civil Engn, Kunming 650091, Peoples R China
来源：
PROGRESS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 170-173卷
基金：
中国国家自然科学基金;
关键词：
Tailings Dam; Tailings embankment; Dynamic characteristics; Dynamic response; FEM;
D O I：
10.4028/www.scientific.net/AMM.170-173.1926
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The finite element analysis model of Zhuziqing tailings pond is established by using the finite element method (FEM) analysis software ANSYS based on hydrological conditions, engineering geological conditions, tailings silt dynamic triaxial test results and the foundation rock-soil wave velocity tests results. Then it was studied that the dynamic characteristics and dynamic response of Zhuziqing tailings dam under seismic loads. Results show that dynamic shear modulus of tailings silt increase as dynamic shear strain decreasing and increase as the increasing of confining pressure or consolidation ratio under the condition of isotropic or anisotropic consolidation. But the variation law on damping ratio of tailings silt is just opposite to that of dynamic shear modulus. Results also show that under the dynamic peak acceleration 0.2g of seismic wave, response acceleration of Zhuziqing tailings embankment reached the peak at the time of 2.58s, and the response peak acceleration is 5.24m/s(2) at the top of this tailings embankment.
引用
收藏
页码：1926 / +
页数：2
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