location: Current position: Home >> Scientific Research >> Paper Publications

尾矿坝液化流动变形分析

Hits:

Indexed by:期刊论文

Date of Publication:2008-07-15

Journal:大连理工大学学报

Included Journals:EI、PKU、ISTIC、CSCD

Volume:48

Issue:4

Page Number:541-545

ISSN No.:1000-8608

Key Words:尾矿坝;液化分析;液化变形;ALID;地震

Abstract:介绍了基于双线性模型的砂土液化流动变形分析方法,并用二维商用软件ALID(Analvsis for Liquefaction.induced Deformation)分析了Moch.koshi尾矿坝地震液化流动变形,其中滩长分别按5 m和38 m,坝基土液化和非液化共计3种组合.通过计算分析发现了该坝在不同条件下发生液化流动变形的一些规律.计算结果表明,增加滩长、降低水位线的高度.将有助于减小坝体液化流动变形.增强坝体的稳定性;坝基土发生液化流动将导致尾矿坝整体发生流滑.探讨了用反压体、稳定柱、加筋和密实等措施抑制尾矿坝液化流动变形.

Pre One:饱和地基液化变形对桩基受力影响

Next One:堆石料残余变形特性研究