三面采空综放采场采动阶段动力灾害机理
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摘要
三面采空综放采场采动阶段受到高应力作用容易引发冲击地压、顶板大面积来压等动力灾害,通过研究岩层运动与矿压关系,孤岛工作面掘进、回采过程中覆岩空间结构形式及其运动规律,揭示工作面开采初期和开采期间岩层运动诱发动力灾害机理.结合工程实践,基于微震定位监测结果验证三面采空综放采场采动阶段诱发动力灾害规律,揭示应力分布、变化,为治理矿压动力灾害提供理论基础和技术手段.
The hazards of rock burst and large roof caving are ease to occur at mining stage in a fully mechanized top coal caving face with goafs in three sides due to high stress.Through the study of strata movement and mine pressure,isolated working face excavation,overlying strata spatial structure and its movement characteristics,it reveals the strata movement induced dynamic disaster mechanism at initial mining stage and during coal mining operation.
The hazards of rock burst and large roof caving are ease to occur at mining stage in a fully mechanized top coal caving face with goafs in three sides due to high stress.Through the study of strata movement and mine pressure,isolated working face excavation,overlying strata spatial structure and its movement characteristics,it reveals the strata movement induced dynamic disaster mechanism at initial mining stage and during coal mining operation.
引文
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[4]马其华.长壁采场覆岩“O”型空间结构及相关矿山压力研究[D].山东科技大学,2005.Ma Qihua.Long wall mining overlying strata"O"type space structureand related study of mine pressure[D].Shandong University of Scienceand Technology,2005
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[9]姜福兴,杨淑华,XUN Luo.微地震监测揭示的采场围岩空间破裂形态[J].煤炭学报,2003,28(4):357-360.Jiang Fuxing,Yang Shu hua,Xun Luo.Spatial fracturing progresses of surroundingrock masses in longwall face monitored by microseimic monitoringtechniques[J].Journal of China Coal Society,2003,28(4):357-360.(in Chinese).
[10]成云海.微地震定位监测在采场冲击地压防治中的应用[D].山东科技大学,2006.Cheng Yunhai micro seismic monitoring in mining rock burstprevention and control in the application of[D].Shandong Universityof Science and Technology,2006.
[2]成云海,姜福兴,张兴民,等.微震监测揭示的C型采场空间结构及应力场[J].岩石力学与工程学报,2007,26(1):102-107.Cheng Yunhai,JIANG Fu xing,ZHANG xing min,et al.C-shapedStrata Spatial Structurea and Stress Field in Longwall Face Monitoredby Microseismic Monitoring[J].Chianese Journal of rock Mechanicsand Engineering,2007,26(1):102-107.
[3]汪华君.四面采空采场“θ”型覆岩多层空间结构运动及控制研究[D].山东科技大学,2006.Wang Huajun.Four mined-out stope"θ"type of overlying strata spatialstructure movement and control study of[D].Shandong University ofScience and Technology,2006
[4]马其华.长壁采场覆岩“O”型空间结构及相关矿山压力研究[D].山东科技大学,2005.Ma Qihua.Long wall mining overlying strata"O"type space structureand related study of mine pressure[D].Shandong University of Scienceand Technology,2005
[5]姜福兴,张兴民,杨淑华.长壁采场覆岩空间结构探讨[J].岩石力学与工程学报,2006,25(5):975-984.Jiang Fuxing,Zhang Xingmin,Yang Shuhua.Discussion on overlyingstrata spatial structures of longwall in coal mine[J].Chinese Journal ofRock Mechanics and Engineering,2006,25(5):975-984.
[6]姜福兴,王同旭,汪华君,等.四面采空“孤岛”综放采场矿压控制的研究与实践[J].岩土工程学报,2005,27(9):1101-1104.Jiang Fuxing,Wang tong xue,Wang hua jun,et al.Research and practiceon pressure control of sub-level longwall face surrounded by minedareas[J]Chinese Journal of Geotechnical Engineering.2005,27(9):1101-1 104.
[7]姜福兴.矿山压力与岩层控制[M].北京:煤炭工业出版社,2004:280-282.Jiang Fuxing.Ground pressure and strata control[M].Beijing:ChinaCoal Industry Publishing House,2004:280-282.(in Chinese)
[8]王存文.基于微震监测和覆岩空间结构理论的冲击地压预测与防治[D].北京科技大学,2008.Wang Cunwen.Based on microseismic monitoring and overlying strataspatial structure theory in the forecast and control of rock burst[D].University of Science and Technology Beijing,2008.
[9]姜福兴,杨淑华,XUN Luo.微地震监测揭示的采场围岩空间破裂形态[J].煤炭学报,2003,28(4):357-360.Jiang Fuxing,Yang Shu hua,Xun Luo.Spatial fracturing progresses of surroundingrock masses in longwall face monitored by microseimic monitoringtechniques[J].Journal of China Coal Society,2003,28(4):357-360.(in Chinese).
[10]成云海.微地震定位监测在采场冲击地压防治中的应用[D].山东科技大学,2006.Cheng Yunhai micro seismic monitoring in mining rock burstprevention and control in the application of[D].Shandong Universityof Science and Technology,2006.
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