地下采矿诱发山体崩滑地质灾害研究现状与展望

李腾飞; 李晓; 苑伟娜; 李守定; 赫建明; 马超锋; 陈雨; 王刚

地下采矿诱发山体崩滑地质灾害研究现状与展望

李腾飞^1,2,
李晓¹,
苑伟娜¹,
李守定¹,
赫建明¹,
马超锋^1,2,
陈雨^1,2,
王刚³

1.
中国科学院地质与地球物理研究所中国科学院工程地质力学重点实验室北京 100029;
2.
中国科学院研究生院北京 100049;
3.
中国矿业大学力学与建筑工程学院北京 100083

基金项目:

国家重点基础研究发展规划(973)项目(2010CB731501No.2009CB724605), 国家自然科学基金资助项目(41027001), 中国科学院知识创新工程重要方向项目(KZCX2-YW-JS102,YZ200912), 中国地质调查局工作项目(1212011014026)

详细信息

作者简介:
李腾飞,工程地质专业,主要从事工程地质与采动滑坡地质灾害方面的研究.Email: Robustfei@126.com

中图分类号: TU457,P642.22
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出版历程
- 收稿日期: 2011-02-26
- 修回日期: 2011-07-22
- 刊出日期: 2011-12-25

CURRENT STATUS AND PROSPECTS OF STUDIES ON MECHANISM OF LANDSLIDE GEOHAZARDS INDUCED BY UNDERGROUND MINING

1.
Key Lab of Enginnering Geomechanics,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100049;
3.
China University of Mining and Technology,School of Mechanics and Civil Engineering,Beijing 100083

摘要

摘要: 地下采矿活动诱发的山区崩滑地质灾害已经对人类活动带来了重大影响。针对采动滑坡地质灾害的发生机制,总结了近年来国内外的主要研究工作与成果,并分别从现场监测、物理模型实验研究和数值模拟实验研究3个方面对采动滑坡失稳机理进行了归纳和总结,得出如下认识:(1)已有的研究对小规模不充分开采引起的山体移动规律研究不清楚。认为地下开采作用仅是影响坡体稳定的一个因素,忽略了地下采矿活动本身各因素如开采方式、采空区处理技术等不同的影响; (2)现场监测方面多为地表的监测数据,缺少矿井上下的对照监测资料,即地下采空区的扩展过程与岩层移动监测数据之间的对应关系; (3)已有的模拟研究基于地质背景、本构及参数等因素的假设,对地质模型的刻画过于简化,得出的也多是一些趋向性的基本认识。在后续的研究工作中应将重点着眼于地下开采作用的细化研究,加强对地下采空区的调查和对采空区上覆不同埋深处岩体变形的监测,并建立更能反映真实地质条件的大规模精细三维数值模型。
- 地质灾害 /
- 滑坡 /
- 地下开采 /
- 形成机制
Abstract: Landslide geohazards induced by underground mining in mountainous areas have caused a serious influence to human activities.Aimed at the mechanism of underground mining-induced landslides,typical work and researches over the past several decades at home and abroad are analysed in this paper.Previous investigations can be summarized into three parts: field monitoring,physical modelling and numerical modelling.The findings are: 1)there is no clear understanding about the patterns of rock mass moving induced by underground mining.Underground mining activity is believed just one of the factors influencing the slope stability.The impacts of different aspects such as the mining method and goaf management technique resulted in the ignorance of underground mining effect.2)in-situ monitoring: most of the data is the deformation of the ground surface.There are no corresponding records about the relationship between the undermining process and rock mass movement; 3)Based on the assumptions of the geological background,constitution relationship,and other parameters,modelling researches are always excessively simplified,and the conclusions are primary and simple.This paper puts forward that further studies will focus on the detailed analysis of underground mining effect,monitor the underground mining process and rock mass deformation,and build the large-scale three dimension numerical model that can reflect geological condition better.
- Geohazard /
- Landslide /
- Underground mining /
- Formation mechanism

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参考文献(1)

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