坪湖矿岩溶洞探测及其采动作用下的概化模型  

The Karst Cave Detection and Its Collapse Generalized Model Under the Effects of Mining in HUPING Coal Mine

作　　者：朱川曲[1] 黄友金 周泽[1] 张志强 Zhu Chuanqu;Huang Youjin;Zhou Ze;Zhang Zhiqiang(Coal Mining Safe Production Technology Hunan Provincial Key Laboratory,Hunan University of Science and Technology,Xiangtan 411201,China;Fengcheng Mining Bureau in Jiangxi,Fengcheng 331100,China)

机构地区：[1]湖南科技大学煤矿安全开采技术湖南省重点实验室,湖南湘潭411201 [2]江西丰城矿务局,江西丰城331100

出　　处：《湖南科技大学学报（自然科学版）》2018年第4期7-13,共7页Journal of Hunan University of Science And Technology：Natural Science Edition

基　　金：国家自然科学基金资助项目(51274096;51474104);湖南省煤矿安全开采技术重点实验室开放基金资助项目(201403)

摘　　要：为更好地研究煤层开采对岩溶塌陷的影响,保护岩溶地区地质环境.本文对坪湖矿区阳坑村下的岩溶洞进行了探测分析,根据岩溶洞与主采煤层的相对位置,分别建立了采动作用下上覆岩溶洞塌陷的4种概化模型,并根据概化模型对采动引起岩溶塌陷的原因进行了分析.根据所建立的岩溶洞塌陷概化模型对坪湖矿井田范围内1#和6#塌陷坑塌陷机理进行分析,其塌陷原因是岩溶洞处于岩层弯曲下沉过程中的拉伸区域以及岩溶洞上方覆盖层较薄引起的.本文的研究为在喀斯特地区进行煤炭资源的地下开采,预防采场上方覆岩溶塌陷提供了理论依据.In order to better study the influence of coal mining on the karst collapse,and to protect the ecological environment in karst area.The Karst of Pinghu Mine of Yang Keng village was carried out under the detection analysis,according to the relative position between the Karst cave and the primary mining coal seam,there were four kinds of generalized model of the overlying rock cave collapse were established respectively under the action of mining,meanwhile,it was mainly analyzed on the basis of the conceptual model of the causes for the collapse caused by the mining.The collapse mechanism of cave No.1 and No.6 in the area of Pinghu mine field was analyzed according to the established generalized model of karst cave collapse.The cause of the collapse was that the karst cave was located in the stretch zone in the course of the rock subsidence,and the cover layer above the rock karst cave was thinner.The study provided the theoretical basis for underground mining of coal resources and prevents karst collapse above the stope in Karst area.

关 键 词：采动作用 岩溶塌陷 岩层纵向裂隙 导水裂隙 

分 类 号：TD163.1[矿业工程—矿山地质测量]