Journal Home Online First Current Issue Archive For Authors Journal Information 中文版

Strategic Study of CAE >> 2007, Volume 9, Issue 4

Technology of Coal-Rock Mass Hydraulic Fracture Weakeningand Its Development

1. State Key Laboratory of Coal Resources and Safe Mining, China University of Mining and Technology, Xuzhou, Jiangsu   221008, China ;

2. School of Energy, Xi'an University of Science and Technology, Xi'an   710054, China

Funding project:教育部博士点基金项目(20050290503),中国矿业大学青年科研基金项目(2005A001) Received: 2005-12-23 Revised: 2006-03-12

Next Previous

Abstract

Technologic problems of top coal recovery ratio, rock burst, coal spontaneous combustion and gas accumulation induced by hard top-coal or roof's fall in coal mining were introduced. Current research and development trend of hydraulic fracture weakening for hard top-coal or roof was analyzed, including the law of crack expanding induced by hydraulic fracture in rock mass, mescoscopic structure alteration of cracked rock mass by seepage pressure and its macroscopic mechanics response, controlling technology of hydraulic crack's expanding, the technology of enveloping drillbore and weakening effect monitoring.

Figures

图 1

图 2

图 3

图 4

图 5

References

[ 1 ] 邓广哲 .煤体致裂软化理论与应用[M] .西安 :陕西 科学技术出版社 ,2003

[ 2 ] 巴内吉 A ,雷 A K ,辛格 G .高压注水控制坚硬顶板 [J] .中国煤炭 ,2004 ,30(12) :73 ~ 74 link1

[ 3 ] 孙守山 ,宁 宇 ,葛 钧 .波兰煤矿坚硬顶板定向水 力压裂技术[J] .煤炭科学技术 ,1999 ,27(2) :51 ~ 52

[ 4 ] 刘英学 .清水灌注抑制易燃采空区遗煤氧化及自燃 的机理研究与应用[J] .煤炭学报 ,2002 ,27(3) :237 ~ 241 link1

[ 5 ] 田水承 ,李新东 ,徐精彩 .煤自燃环境及其影响因素 [J] .西安矿业学院学报 ,1994 ,(2) :107 ~ 111 link1

[ 6 ] 谢兴华 ,速宝玉 .裂隙岩体水力劈裂研究综述[J] . 岩土力学 ,2004 ,25(2) :330 ~ 336 link1

[ 7 ] Hubbret M K ,Willis D G . Mechanics of hydraulic fracturing ,Trans Am Inst Min Engre[J] .1957 ,210 :153 ~ 168 link1

[ 8 ] Detournay E ,Carbonell R .Fracture mechanics analysis of break-down process in minifrac or leak of tests [A] . Proceedings of Eu-rock’94 [ C] . Rotterdam : Balkema Publishers ,1994 .399 ~ 407 link1

[ 9 ] Zhao Z , Kim H , Haimson B . Hydraulic fracturing initiation in granite [A] . Rock Mechanics[M ] .Aubertin , Hassani and Mitri (eds) .Rotterdam :Balkema Publishers , 1996 .1279 ~ 1284

[10] 邓广哲 ,黄炳香 ,王广地 ,等 .圆孔孔壁裂缝水压扩 张的压力参数理论分析[J] .西安科技学院 ,2003 ,23 (24) :361 ~ 364 link1

[11] 邓广哲 ,王世斌 ,黄炳香 .煤岩水压裂缝扩展行为特 性研究[J] .岩石力学与工程学报 ,2004 ,23(20) :3489 ~ 3493 link1

[12] 陈 勉 ,庞 飞 ,金 衍 .大尺寸真三轴水力压裂模 拟与分析[J] .岩石力学与工程学报 ,2000 ,19(增 ) : 868 ~ 872 link1

[13] 邓广哲 .封闭型煤层裂隙地应力场控制水压致裂特 性[J] .煤炭学报 ,2001 ,26(5) :478 ~ 482 link1

[14] Hanson M E ,Anderson G D , Shaffer R J .Theoretical and experimental research on hydraulic fracturing[J] . Journal of Energy Resources Technology ,1980 ,102(2) :92 ~ 98 link1

[15] Fowler A C ,Scott D R .Hydraulic crack propagation in a porous medium [ J] . Geophysical Journal International , 1996 ,127(3) :595 ~ 604 link1

[16] 申 晋 ,赵阳升 ,段康廉 .低渗透煤岩体水力压裂的 数值模拟[J] .煤炭学报 ,1997 ,22(6) :580 ~ 584 link1

[17] 冷雪峰 ,唐春安 ,杨天鸿 ,等 .岩石水压致裂过程的 数值模拟分析[J] . 东北大学学报(自然科学版) , 2002 ,23(11) :1104 ~ 1107 link1

[18] Teufel L W ,Clark J A . Hydraulic fracture propagation in layered rock :Experimental studies of fracture containment [J] .Society of Petroleum Engineers Journal ,1984 ,24(1) : 19 ~ 32 link1

[19] 陈治喜 ,陈 勉 ,黄荣樽 ,等 .层状介质中水力裂缝 的垂向扩展[J] . 石油大学学报 (自然科学版 ) , 1997 ,21(4) :23 ~ 26 link1

[20] 赵阳升 ,杨 栋 ,郑少河 ,等 .三维应力作用下岩石 裂缝水渗流物性规律的实验研究[J] .中国科学(E 辑) ,1999 ,29(1) :82 ~ 86 link1

[21] 杨天鸿 ,唐春安 ,朱万成 ,等 .岩石破裂过程渗流与 应力耦合分析[J] .岩土工程学报 ,2001 ,23(4) :489 ~ 493 link1

[22] Oda M, Takemura T , Aoki T . Damage growth and permeability change in triaxial compression tests of Inada granite[J] .Mechanics of Materials ,2002 ,34(6) :313 ~ 331 link1

[23] 朱珍德 ,徐卫亚 .裂隙岩体渗流场与损伤场耦合模型研究 .河海大学学报(自然科学版) ,2003 ,31(2) : 156 ~ 160 link1

[24] 郑少河 ,姚海林 ,葛修润 .渗透压力对裂隙岩体损伤 破坏的研究[J] .岩土力学 2002 ,23(6) :687 ~ 690 link1

Related Research