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地下开采引起覆岩破坏的三维数值模拟研究
Alternative Title3D numerical simulation study on strata deformation and failure in underground mining
王振伟; 张青波; 刘天苹; 李世海
Source Publication煤炭科学技术
2013-08-15
Volume41Issue:S2Pages:121-124+127
ISSN0253-2336
Abstract以安家岭矿区为背景,基于连续介质的离散元方法,对地下开采引起的上覆岩层及边坡的变形破坏规律进行了三维全过程数值模拟。通过对三维位移场及破坏场模拟结果分析发现:上覆岩层的运动以朝采空区侧垮落为主,潜在节理裂隙密集时地表沉陷为一坑两底式,潜在节理仅存在与地层交界处时地表沉陷为一坑一底式,且岩体越破碎,地表沉降值越大。通过三维剖面与平面应变简化计算对比,发现两者的水平位移模式明显不同,三维模型进行边坡稳定性分析更为合理。
Keyword地下开采 边坡 覆岩变形破坏 数值模拟
Subject Area岩体力学和土力学
URL查看原文
Language中文
Funding Organization国家重点基础研究发展计划(973计划)资助项目(2010CB731506)
DepartmentLMFS工程地质体力学(LEM)
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/47519
Collection流固耦合系统力学重点实验室
Corresponding Author张青波
Recommended Citation
GB/T 7714
王振伟,张青波,刘天苹,等. 地下开采引起覆岩破坏的三维数值模拟研究[J]. 煤炭科学技术,2013,41(S2):121-124+127.
APA 王振伟,张青波,刘天苹,&李世海.(2013).地下开采引起覆岩破坏的三维数值模拟研究.煤炭科学技术,41(S2),121-124+127.
MLA 王振伟,et al."地下开采引起覆岩破坏的三维数值模拟研究".煤炭科学技术 41.S2(2013):121-124+127.
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