[1]刘宇,刘明鑫,徐湘涛,等.基于非连续变形分析的贵州典型崩塌研究[J].山地学报,2015,(01):94.
　LIU Yu,LIU Mingxin,XU Xiangtao.Research on the Typical Collapse of Guizhou Based on the Discontinues Deformation Analysis[J].Mountain Research,2015,(01):94.
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基于非连续变形分析的贵州典型崩塌研究()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2015年01期
页码:
94
栏目:
山地灾害
出版日期:
2015-02-01

文章信息/Info

Title:
Research on the Typical Collapse of Guizhou Based on the Discontinues Deformation Analysis
作者:
刘宇;刘明鑫;徐湘涛;
成都理工大学地质灾害防治与环境保护国家重点实验室/环境与土木工程学院;
Author(s):
LIU Yu; LIU Mingxin; XU Xiangtao
National Specialty Laboratory of Geohazard Prevention and Geoenvironment Protection/College of Eenvironment and Civil Engineering, Chengdu University of Technology, Chengdu 610059, Sichuan, China
关键词:
非连续变形分析; 崩塌; 变形破坏机制; 演化过程
Keywords:
discontinuous deformation analysis; collapse; deformation mechanism; evolution
分类号:
P642.21
文献标志码:
A
摘要:
非连续变形分析(DDA)方法考虑了岩体结构面对稳定的影响,融入了变形的不连续性和时间概念,更加符合崩塌体变形破坏的复杂过程。应用DDA对贵州山区典型的软硬岩互层构造+不合理采矿形成的崩塌进行了模拟,效果非常接近真实情况。结果表明,研究区崩塌体变形破坏演化过程分为山体下陷,拉裂缝扩展和失稳倾倒3个阶段,山体破坏形态与张拉裂缝相互影响,共同作用,是具有代表性的"拉裂-倾倒式"崩塌;根据模拟测点的数据,给出崩塌体变形破坏各阶段的变形量化参考值,可为该类崩塌体监测与预警指标体系研究提供重要参考依据。
Abstract:
The method of DDA considered the influence of stability from rock mass structure, involved the conception of discontinues of deformation and time, this are more conform to the complicated process of the deformation of collapse. The discontinuous deformation analysis program was applied to simulate the deformation process of collapse masses that formed by hard rock, high diffs terrain and mining, the results close to the reality circumstance. The failure deformation and the tension fissure influence each other and work together. This is the typical collapse masses of fracturetoppling type. This paper comes up with the displacement variation characteristics of collapse masses in each deformation stage based on the simulated data, provides important theoretical basis for the precaution monitoring of this collapse masses.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期(Received date)：2013-12-19；修回日期（Accepted）：2014-04-09。
作者简介（Biography）：刘宇（1988-），女，湖北荆门人，硕士研究生，主要从事岩土体稳定性及工程环境效应方面的研究工作。[Liu Yu (1988-)，female，was born in Jingmen，Hubei province，master graduate student，mainly engaged in the rock mass stability and engineering environment effect research.]E-mail :liumingxin29@126.com
更新日期/Last Update: 1900-01-01