采空区对地表影响的多维角度分析研究

TD803; 为了研究确定大浞河铁矿不明采空区对地表的安全影响,消除或控制采空区的危害影响,本文根据矿山前期开采资料、物探结果和钻探结果,基本确定不明采空区的分布形态、规模及赋存关系等相关情况.采用理论计算和数值模拟的方法判断采空区对地表存在一定的安全影响,可能会冒落至地表,且地表已发生过塌陷,需要充填处理采空区.在采空区治理施工过程中发现,充填注浆方量比探测采空区体积小了许多,判断主要原因包括物探干扰、采空区垮塌、破碎带影响等.因此,为了进一步确定采空区对地表的影响程度,采用概率积分法对矿区范围内地表移动、变形进行了计算和分析,最终确定大浞河铁矿采空区地表处于基本稳定～稳定状态,不会对地表建...

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Published in	中国矿业 Vol. 33; no. 9; pp. 80 - 87
Main Authors	覃敏, 白继坤, 宋阳, 吕冠颖, 何环莎
Format	Magazine Article
Language	Chinese
Published	长沙矿山研究院有限责任公司,湖南长沙 410012 01.09.2024 湖南省矿山地质灾害防治与环境再造工程技术研究中心,湖南长沙 410012%临沂会宝岭铁矿有限公司,山东临沂 277700
Subjects	多维度地表 Dazhuohe Iron Mine multidimension surface 采空区 probability integral method 大浞河铁矿概率积分法数值模拟 goaf numerical simulation
Online Access	Get full text
ISSN	1004-4051
DOI	10.12075/j.issn.1004-4051.20220909

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Abstract	TD803; 为了研究确定大浞河铁矿不明采空区对地表的安全影响,消除或控制采空区的危害影响,本文根据矿山前期开采资料、物探结果和钻探结果,基本确定不明采空区的分布形态、规模及赋存关系等相关情况.采用理论计算和数值模拟的方法判断采空区对地表存在一定的安全影响,可能会冒落至地表,且地表已发生过塌陷,需要充填处理采空区.在采空区治理施工过程中发现,充填注浆方量比探测采空区体积小了许多,判断主要原因包括物探干扰、采空区垮塌、破碎带影响等.因此,为了进一步确定采空区对地表的影响程度,采用概率积分法对矿区范围内地表移动、变形进行了计算和分析,最终确定大浞河铁矿采空区地表处于基本稳定～稳定状态,不会对地表建(构)筑物及设施、设备造成不利影响,为矿山安全生产提供技术支撑和科学依据.
AbstractList	TD803; 为了研究确定大浞河铁矿不明采空区对地表的安全影响,消除或控制采空区的危害影响,本文根据矿山前期开采资料、物探结果和钻探结果,基本确定不明采空区的分布形态、规模及赋存关系等相关情况.采用理论计算和数值模拟的方法判断采空区对地表存在一定的安全影响,可能会冒落至地表,且地表已发生过塌陷,需要充填处理采空区.在采空区治理施工过程中发现,充填注浆方量比探测采空区体积小了许多,判断主要原因包括物探干扰、采空区垮塌、破碎带影响等.因此,为了进一步确定采空区对地表的影响程度,采用概率积分法对矿区范围内地表移动、变形进行了计算和分析,最终确定大浞河铁矿采空区地表处于基本稳定～稳定状态,不会对地表建(构)筑物及设施、设备造成不利影响,为矿山安全生产提供技术支撑和科学依据.
Abstract_FL	In order to study and determine the safety impact of the unknown goaf on the surface of Dazhuohe Iron Mine,and to eliminate or control the harmful impact of the goaf.Based on the early mining data,geophysical prospecting and drilling,this paper basically determines the distribution,scale and occurrence relationship of unknown goafs.Theoretical calculation and numerical simulation methods are used to judge that the goaf has a certain safety impact on the surface,which may fall to the surface,and the surface has collapsed,so the goaf needs to be filled.During the construction of goaf treatment,it is found that the volume of filling grouting is much smaller than that of the explored goaf,and the main reasons are judged to include geophysical prospecting interference,goaf collapse,and the impact of fracture zone.Therefore,in order to further determine the impact of the goaf on the surface,the probability integral method is used to calculate and analyze the surface movement and deformation within the mining area.Finally,it is determined that the surface of the goaf in Dazhuohe Iron Mine is basically stable to stable state,and will not adversely affect the surface structures,facilities and equipment,then provide technical support and scientific basis for mine safety production.
Author	宋阳何环莎覃敏吕冠颖白继坤
AuthorAffiliation	长沙矿山研究院有限责任公司,湖南长沙 410012;湖南省矿山地质灾害防治与环境再造工程技术研究中心,湖南长沙 410012%临沂会宝岭铁矿有限公司,山东临沂 277700
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Author_FL	BAI Jikun SONG Yang LYU Guanying QIN Min HE Huansha
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Title	采空区对地表影响的多维角度分析研究
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