浅埋煤层长壁开采顶板动态结构研究
详细信息    本馆镜像全文|  推荐本文 |  |   获取CNKI官网全文
摘要
榆神府矿区是21世纪初我国最大的现代化能源基地,研究典型浅埋煤层大采高和近浅埋煤层工作面的矿压显现特征,掌握浅埋煤层矿压显现规律和顶板来压机理,建立浅埋煤层长壁开采顶板动态结构,对浅埋工作面的科学开采具有重要指导意义。
     综合运用现场实测、理论分析、物理模拟和数值模拟方法就浅埋煤层动态顶板结构理论进行了深入研究。通过现场实测揭示了浅埋煤层采场矿压显现的动态特性及其规律。通过物理模拟实验,得出典型浅埋煤层厚沙土层采动“拱状”、“拱梁”和“弧形岩柱”破坏特征。建立了厚沙土层“拱状”破坏力学模型,分别确定了典型浅埋煤层初次来压、周期来压的载荷传递因子,并分析了其影响因素和变化规律。引入载荷传递因子,得出了典型浅埋煤层初次来压和周期来压支护阻力的计算公式,并通过实例验证了计算公式的可靠性。
     针对榆神府煤田覆岩黏土层构成,开发了塑性相似材料及模拟技术。通过物理模拟实验,掌握了近浅埋煤层主亚双关键层顶板结构的破坏特征及载荷传递的大小周期来压规律,揭示了近浅埋煤层采场覆岩“三带”特征及采动裂隙发育规律,建立了弯曲下沉带的“拱梁”结构模型。通过数值模拟,得出了不同采高的采场覆岩应力拱的演化规律。建立了近浅埋煤层裂隙带主亚双关键层结构模型,研究了其相互作用关系,给出了主关键层破断对亚关键层的动态载荷传递,提出了确定近浅埋煤层来压歩距的计算方法,揭示了近浅埋煤层大小周期来压现象的机理。最后给出了基于亚关键层结构可能形成“砌体梁”和“台阶岩梁”动态结构及其采场支架合理工作阻力的确定方法。
     研究对榆神府等浅埋煤层矿区顶板控制和支架选型具有指导意义和实践意义,同时对丰富岩层控制的关键层理论具有理论意义。
Yushenfu Mining Area is the largest modern energy base of China in the beginning of21stcentury.It is necessary to study the ground behavior feature of tytpical shallow seem withbig minning height and the nearly shallow seam.The research has great guide meaning to thescientific mining of shallow seam working face.
     Dynamic roof structure in shallow seam longwall mining was further studied by field test,theoretical analysis,numerical simulation,and physical simulation.By field test,dynamicspecial law of ground behavior in shallow seam was revealed.The mining “arc”,“arc beam”and “arc pilliar” failure structure of thick sandy layer in typical shallow seam was obtained byphysical simulation. The dynamic “arc” failure and develop law and failure mechanism ofoverburden rock were disclosed. The “arc” failure model was set up and the equation was got,furthermore, the load transmiting rock and time factors in the first and period weighting intypical shallow seam were determined and the effect factors and changing law were furtherstudied. The support resistance formula of first and period weighting in typical shallow seamwere given and the reliability was verified by instances.
     Against the roof form of bedrock and clay in Yushenfu coal mine,the plastic and brittlesimulation model technique and ratio were developed. By simulation model test, the failurefeatures of main and sub-key strta tructure were controled,meanwhile,the big and small periodweighting load transmiting law was grasped. The “three zones” of overburden rock in shallowseam was studied and the mining cracks were classified.The downlink crack developmentmechanism was revealed by the “arc beam” model.By numerical simulation, the developmentlaw of stress arc in overburden rock of nearly shallow seam was obtained. The key andsub-key strata structure model was set up and the mutural effection relationship was studied.The criterion of key strata effecting the sub-key strata and the calculation method ofweighting distance were given.The big and small weighting mechanism was revealed. The support resistance formula in nearly shallow seam were given under the “masonry beams”and the “step beams” of sub-key stata.
     Research has guiding significance to the roof control and stent selection of Yushenfushallow seam coal mines, in the mean time, which has theoretical significance to rich the keystrata theory in ground control.
引文
[1]王显政.关于提升煤炭工业发展科学水平的几点思考[J].中国煤炭,2012,38(3):5~9
    [2]李德波,柳春明,杨丽茵.2010年和2020年全国煤炭供需预测[J].电力技术经济,2007,19(2):25~29
    [3]《中国煤炭资源报告》编写组.煤炭资源中国与主产煤国家比较[J].中国煤炭,1996,7:68~71
    [4]黄庆享.浅埋煤层长壁开采顶板结构及岩层控制研究[M].徐州:中国矿业大学出版社,2000
    [5]戴自希.20世纪矿产勘查的重大发现[J].国土资源情报,2005,3:30~34
    [6]许文实.将榆神矿区建成超大型出口煤基地的建议[J].中国煤炭,1999,25(4):21~28
    [7]刘绍龙.神府东胜煤田富集规律及有关问题的探讨[J].石油地球物理勘探,1995,30(增2):155~164
    [8]黄庆享.浅埋煤层的矿压特征与浅埋煤层定义[J].岩石力学与工程学报,2002,21(8):1174~1177
    [9]钱鸣高,石平五.矿山压力与岩层控制[M].徐州:中国矿业大学出版社,2003
    [10]石平五,侯忠杰.浅埋煤层矿压显现与岩层控制的研究(煤炭科学基金项目研究报告),西安矿业学院,1996
    [11]侯忠杰,黄庆享.松散层下浅埋薄基岩煤层开采的模拟[J].陕西煤炭技术,1994,2:38~41
    [12]侯忠杰,邓广哲.神府石圪台111-2上02高产高效工作面“支架—围岩”模拟实验,西安矿业学院矿山压力研究所,1994
    [13]石平五,侯忠杰.神府浅埋煤层顶板破断运动规律[J].西安矿业学院学报,1996,16(3):204~207
    [14]刘文岗.浅埋煤层厚沙土层载荷传递机理研究.[学位论文].西安:西安科技学院,2003
    [15]黄庆享,刘文岗,张沛.浅埋煤层采动厚沙土层破坏规律与载荷传递模拟研究.西安科技学院2002论文集,2002
    [16]黄庆享,张沛.厚砂土层下顶板关键块上的动态载荷传递规律[J].岩石力学与工程学报,2004,23(4):179~4182
    [17]黄庆享,刘文岗,张沛.动载荷智能数据实时采集系统开发及其应用[J].西安科技大学学报,2004,24(4):402~405
    [18]黄庆享,张沛,刘文岗.浅埋煤层采动厚砂土层破坏形态和机理分析.矿山压力与顶板管理,2004,2:23~26
    [19]黄庆享.浅埋煤层采动厚沙土层破坏规律模拟[J].长安大学学报(自然科学版),2003,23(4):25~27
    [20]黄庆享,张沛.厚沙土层下采场顶板关键层及其结构上的动态载荷分布规律.西安科技大学2004学术大会论文集,2004:32~35
    [21]黄庆享.厚沙土层在顶板关键层上的载荷传递因子研究[J].岩土工程学报,2005,27(6):672~676
    [22]黄庆享.厚沙土层下采场顶板关键层上的载荷分布[J].中国矿大学报,2005,34(3):289~293
    [23]黄庆享.浅埋煤层初次来压顶板砂土层载荷传递研究[J].岩土力学,2005,26(6):881~883
    [24]黄庆享.浅埋煤层厚沙土层顶板关键块动态载荷分布规律[J].煤田地质与勘探,2003,31(6):22~25
    [25]张沛.浅埋煤层上覆厚沙土层采动载荷传递机理研究.[学位论文].西安:西安科技大学,2005
    [26]黄庆享,刘文岗,田银素.近浅埋大采高矿压显现规律实测研究[J].矿山压力与顶板管理,2003,3:58~58
    [27]魏秉亮,范立民,杨宏科.浅埋近水平煤层采动地面变形规律研究[J].中国煤田地质,1999,11(3):44~47
    [28]张杰.南梁厚土层浅埋单体长壁工作面矿压规律实测分析[J].湖南科技大学学报,2007,22(4):6~9
    [29]汪青苍,赵永飞.浅埋深工作面矿压观测[J].矿山压力与顶板管理,2004,8:82~84
    [30]马云东,杨景才.活兔鸡矿首采面岩层及地表活动规律研究报告.1999
    [31]王福.浅埋煤层长壁开采矿压显现规律研究[J].内蒙古煤炭经济,2008,1:38~39
    [32]张小明,侯忠杰.厚土层浅埋深煤层开采覆岩“三带”的数值模拟[J].煤炭科学技术,2007(2):93~96
    [33]黄森林.浅埋煤层覆岩结构稳定性数值模拟[J].煤田地质与勘探,2007(6):25~28
    [34]张东升,范钢伟,刘玉德等.浅埋煤层顶板裂隙扩展特征进行数值分析[J].煤矿安全,2008,7:91~92
    [35]冯茂龙,王占银.浅埋煤层工作面覆岩运动规律相似模拟实验研究[J].西北煤炭,2008,6:41~44
    [36]彭文庆,吴文湘,彭刚.浅埋煤层工作面合理阻力支架选型相似模拟实验研究[J].煤炭科技,2008,1:10~13
    [37]侯忠杰,张小明,张杰.浅埋煤层开采固液耦合的数值模拟研究[J].矿业研究与开发,2007,10:110~112
    [38]李自黎,王志军.浅埋煤层三软煤巷数值模拟研究[J].山西建筑,2008,6:98~99
    [39]刘巍,高召宁.浅埋煤层开采矿压显现规律的相似模拟[J].矿山压力与顶板管理,2005,2:17~18
    [40]王崇革,王莉莉,宋振骐等.浅埋煤层开采的三维相似材料模拟实验研究[J].岩石力学工程学报,2004,23(增2):4926~4929
    [41]侯树宏,柴敬,吕兆海.近浅埋煤层软岩条件下综采工作面顶板破断规律[J].煤炭技术,2008,10:46~47
    [42]黄庆享,刘腾飞.浅埋煤层开采隔水层位移规律相似模拟研究[J].煤田地质与勘探,2006,34(5):34~37
    [43]黄庆享,侯志成,张文忠,张沛.黏土隔水层相似材料胶结剂的正交实验分析[J].采矿与安全学报,2007,24(1):42~46
    [44]张文忠.浅埋煤层隔水层稳定性的模拟实验研究.[学位论文].西安:西安科技大学,2007
    [45]胡火明.近浅埋煤层保水开采覆岩运动规律与矿压显现研究.[学位论文].西安:西安科技大学,2009
    [46]蔚保宁.浅埋煤层黏土隔水层的采动隔水性研究.[学位论文].西安:西安科技大学,2009
    [47]石平五,长孙学亭,刘洋.浅埋煤层“保水采煤”条带开采“围岩—煤柱群”稳定性分析[J].煤炭技术,2006,8:68~70
    [48]纪志云.浅埋煤层开采界定指标取值特征进行了分析[J].煤炭技术,2006,11:126~128
    [49]陈忠辉,冯竞竞,肖彩彩,李瑞华.浅埋深厚煤层综放开采顶板断裂力学模型[J].煤炭学报,2007,32(5):449~452
    [50]侯忠杰.对浅埋煤层“短砌体梁”,“台阶岩梁”结构与砌体梁理论的商榷[J].煤炭学报,2008,33(11):1201~1204
    [51]杨治林,余学义.浅埋煤层长壁开采顶板岩层的后屈曲性态[J].煤炭学报,2007,32(4):337~340
    [52]杨治林,余学义,郭何明等.浅埋煤层长壁开采顶板岩层灾害机理研究[J].岩土工程学报,2007,29(12):1763~1766
    [53]宋选民,顾铁凤,阎志海.浅埋煤层大采高工作面长度增加对矿压显现的影响规律研究[J].岩石力学与工程学报,2007,26(增2):4007~4012
    [54]李新元,陈培华.浅埋深极松软顶板采场矿压显现规律研究[J].岩石力学与工程学报,2004,23(19):3305~3309
    [55]伊茂森.神东矿区浅埋煤层大采高综采工作面长度的选择[J].煤炭学报,2007,32(12):1253~1257
    [56]师本强,侯忠杰.土层覆盖下浅埋煤层工作面支架选型研究[J].采矿与安全工程学报,2007,24(3):357~360
    [57]杨本水,窦家环,赵强.薄基岩浅埋大断面煤巷锚杆支护技术[J].矿山压力与顶板管理,2005,4:19~21
    [58]李凤仪,梁冰,董尹庚.浅埋煤层顶板活动及其控制[J].矿山压力与顶板管理,2005,4:78~83
    [59]张东升,马立强.特厚坚硬岩组下保水采煤技术[J].采矿与安全工程学报,2006,23(1):62~65
    [60]张东升,缪协兴,茅献彪.综放沿空留巷顶板活动规律的模拟分析[J].中国矿业大学学报,2001,30(3):261~264
    [61]高峰,钱鸣高,缪协兴.老顶给定变形下直接顶受力分析[J].岩石力学与工程学报,2000,19(2):145~148
    [62]马立强,张东升,缪协兴等. FLAC3D模拟采动岩体渗流规律[J].湖南科技大学学报,2006,21(3):1~5
    [63] Holla L,Buizen M.Strata movement due to shallow longwall mining and the effect onground per meability.Aus I M M Bullefin and Proceeding,Vol.295No.1,1990
    [64] Bill Reid.Longwall minging in southAfrica.Coal,Vol99No.10,1994
    [65] Singh R P, Yadav R N.Subsidence due to coal mining in India. In:Proceedings of the19955th International Sy mposiu m on land subsidence[J].IAHS Publication, No.234,1995.IAHS, Wallingford, Engl
    [66] Rajendra Singh T N, Bharaf B.Dhar. Coal pillar loading in shallow conditions.International Journal of Rock Mechanics and Mining Sciences and Geo MechanicsAbstracte,1995,53(8)
    [67] Yi Luo,S.S.Peng. Prediction of subsurface for longwall mining operations. Conference onGround Control in Mining,2001
    [68] Huang Qing-xiang.Roof structure theory and support resistance determination oflongwall face in shallow seam. Journal of Coal Science and Engineering (China),2003
    [69]杨鹏,冯武林.神府东胜矿区浅埋煤层涌水溃沙灾害研究[J].煤炭科学技术,2002,30(增刊):65~69
    [70]李正昌.浅埋综采面矿压显现及其控制[J].矿山压力与顶板管理,2001,1:26~27
    [71]黄庆享,李树刚.浅埋薄基岩煤层顶板破断及控制[J].矿山压力与顶板管理,1995,3:21~25
    [72]黄庆享,祈万涛,杨春林.采场老顶初次破断机理与破断形态分析[J].西安矿业学院学报,1999,19(3):193~197
    [73]黄庆享.浅埋煤层高产工作面矿压分析[J].矿山压力与顶板管理,1999,3-4:52~56
    [74]黄庆享.浅埋煤层长壁开采顶板结构及合理支护阻力研究.中国岩石力学与工程学会第七次学术大会论文集,2002
    [75]钱鸣高,缪协兴,许家林,茅献彪.岩层控制的关键层理论[M].徐州:中国矿业大学出版社,2000
    [76]于学馥,邓颖人,刘怀恒等.地下围岩稳定性分析[M].北京:煤炭工业出版社,1983
    [77]黄庆享.老场老顶初次来压的结构分析[J].岩石力学与工程学报,1998,17(5):521~526
    [78]黄庆享,钱鸣高,石平五.浅埋煤层顶板周期来压结构分析[J].煤炭学报,1999,24(6):581~585
    [79]钱鸣高等.采场覆岩中关键层上载荷的变化规律[J].煤炭学报,1998,23(2):135~139
    [80]黄庆享,石平五,钱鸣高.采场老顶岩块端角摩擦与端角挤压系数分析确定[J].岩土力学,2000,21(1):60~63
    [81]范天佑.应用断裂动力学基础[M].北京:北京理工大学出版社,1992.6
    [82]范天佑.断裂动力学引论[M].北京:北京理工大学出版社,1990.6
    [83]柴敬,段书武.厚风积沙浅埋煤层顶板灾害研究[J].中国岩石力学与工程学术论文集,中国科学技术出版社,2002
    [84] Huang Qingxiang. Experimental research of overburden movement and subsurface waterseeping in shallow seam mining[J]. Journal of University of Science and TechnologyBeijing,2007,14(6):483~489
    [85] Huang Qingxiang. Experimental investigation of friction and squeezing of roof structurekey blocks corner in long-wall face[J]. Journal of University of Science and TechnologyBeijing,2005,12(6):102~105
    [86] Huang Qingxiang. Study on water resisting property of subsurface aquiclude in shallowcoal seam mining[J]. Journal of Coal Science&Engineering,2008,14(3):369~372.
    [87] Yu Xueyi,Huang Senlin.Influence of Shallow Mine-Workings on Crack Failure ofOverburden Strata Gornictwo i Geoinzynieria[J],2005,No.3:511~519
    [88] Jacoby W R,Schmeling H. Convection experiments and driving mechanism [J]. Geol.Rundsch,1981,(2):207~230
    [89] Wiens J.Plate tectonic model for Indian ocean “intraplate” deformation[J]. Tectonophy-sics,1986,132(1):37~48
    [90] Kincaid C,Olson P.An experimental study of subducting slab migration[J]. J.G..R,1987,92(3):13831~13840
    [91] Shemenda AI. Horizontal lithosphere compression and subduction:constraints providedby physical modeling[J].J.G. R,1992,97(B7):11097~11116
    [92] S.S.PENG. Surface Subsidence engineering. Publish by society for Mining Metallurgyand Exploration, Inc. Littleton, Colorado
    [93]李树刚,石平五,钱鸣高.覆岩采动裂隙椭抛带动态分布特征研究[J].矿山压力与顶板管理,1999,4(3):44~46
    [94]许家林,钱鸣高.关键层运动对覆岩及地表移动影响的研究[J].煤炭学报,2000,l25(2):122~126
    [95]张杰,侯忠杰.浅埋煤层导水裂隙带发展规律物理模拟分析[J].矿山压力与顶板管理,2004,No.(4):32~35
    [96]许家林,钱鸣高.岩层采动裂隙分布在绿色开采中的应用[J].中国矿业大学学报,2004,.33(2):141~149
    [97]金洪伟,许家林,朱卫兵.覆岩移动的拱-梁组合结构模型的初步研究.第十一届中国科协年会论文集[J].2009:608~613
    [98]钱鸣高,缪协兴.采场砌体梁结构的关键块分析[J].煤炭学报,1994,19(6):557~563
    [99]钱鸣高,缪协兴.采场上覆岩结构的形成与受力分析[J].岩石力学与工程学报,1995,14(2):97~106
    [100]钱鸣高,缪协兴.岩层控制中的关键层理论研究[J].煤炭学报,1996,21(3):225~230
    [101]王家臣.厚煤层开采理论与技术[M].北京:冶金工业出版社,2009:15~20
    [102]赵宏珠,宋秋爽.特大采高液压支架发展与研究[J].采矿与安全工程学报,2007,24(3):265~269
    [103]弓培林,靳钟铭.大采高综采采场顶板控制力学模型研究[J].岩石力学与工程学报,2008,27(1):193~198
    [104]弓培林,靳钟铭.大采高采场覆岩结构特征及运动规律研究[J].煤炭学报,2004,29(1):7~11
    [105]宁宇.大采高综采煤壁片帮冒顶机制与控制技术[J].煤炭学报,2009,34(1):50~52
    [106]闫少宏.特厚煤层大采高综放开采支架外载的理论研究[J].煤炭学报,2009,34(5):590~593
    [107]胡国伟,靳钟铭.大采高综采工作面矿压观测及其显现规律研究[J].太原理工大学学报,2006,37(2):127~130
    [108]付玉平,宋选民,邢平伟等.大采高采场顶板断裂关键块稳定性分析[J].煤炭学报,2009,34(8):1027~1031
    [109]许家林,鞠金峰.特大采高综采面关键层结构形态及其对矿压显现的影响[J].岩石力学与工程学报,2011,30(8):1547~1556
    [110]鞠金峰,许家林,王庆雄.大采高采场关键层“悬臂梁”结构运动型式及对矿压的影响[J].煤炭学报,2011,36(12):2115~2120
    [111]陈荣华,浦海,缪协兴,钱鸣高.相邻亚关键层破断对采场来压的影响[J].煤炭学报,2004,29(3):257~259
    [112]钱鸣高,许家林,缪协兴.煤矿绿色开采技术[J].中国矿业大学学报,2003,32(4):343~348
    [113]徐芝纶.弹性力学[M].北京:高等教育出版社,1990,60~71
    [114]李世平.岩石力学简明教程.[M].北京:煤炭工业出版社,1996
    [115]顾慰慈.挡土墙土压力计算.[M].北京:中国建材工业出版社,2001
    [116]王国强.实用工程数值模拟技术及其在Ansys上的实践[M].西北大学出版社,1999
    [117]王维刚.高等岩石力学[M].北京:冶金工业出版社,1996
    [118]许惠德等.土质学及土力学[M].徐州:中国矿业大学出版社,1995
    [119]郑颖人,沈珠江.岩土塑性力学原理[M].中国人民解放军后勤工程学院出版社,1998

© 2004-2018 中国地质图书馆版权所有 京ICP备05064691号 京公网安备11010802017129号

地址:北京市海淀区学院路29号 邮编:100083

电话:办公室:(+86 10)66554848;文献借阅、咨询服务、科技查新:66554700