小尺度原位瞬态压力脉冲渗透性测试系统及试验研究
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摘要
基于原位瞬态压力脉冲法原理及求解方法,研发了由数据采集控制系统、脉冲压力施加系统、测杆系统3部分组成的小尺度原位瞬态压力脉冲渗透性测试系统(已获国家发明专利[1])。该系统结构简单、易于控制、使用方便,可用于快速原位测量核废料地下处置、能源地下储存和深埋等地下工程中低渗透围岩的渗透率以及测试空间狭窄和岩体扰动要求严格的其他工程岩体渗透率。利用该系统实施了原位瞬态压力脉冲渗透率测量试验,试验结果验证了该系统的适用性、稳定性和准确性。
Based on the principle of in-situ transient pulse technique and its solving method,the small size in-situ transient pulse permeability measurement system,including data acquisition control system,pulse applying system,and permeability measuring system,has been developed successfully.Due to its simple configuration and small size,it is easy to control and use to measure the permeability of low-permeable in-situ confining rocks rapidly,which are often studied in geological disposal of radioactive waste,underground gas and oil storage tanks and construction of deep cavern groups,etc.Moreover,other kinds of rock mass within narrow surrounding spaces or serious disturbance requirements also can be measured.The small size in-situ transient pulse permeability measurement experiments have been introduced in this paper by using this system,of which the applicability,stability and accuracy have been proved.
Based on the principle of in-situ transient pulse technique and its solving method,the small size in-situ transient pulse permeability measurement system,including data acquisition control system,pulse applying system,and permeability measuring system,has been developed successfully.Due to its simple configuration and small size,it is easy to control and use to measure the permeability of low-permeable in-situ confining rocks rapidly,which are often studied in geological disposal of radioactive waste,underground gas and oil storage tanks and construction of deep cavern groups,etc.Moreover,other kinds of rock mass within narrow surrounding spaces or serious disturbance requirements also can be measured.The small size in-situ transient pulse permeability measurement experiments have been introduced in this paper by using this system,of which the applicability,stability and accuracy have been proved.
引文
[1]王伟,李小春,岳祖润.基于瞬态压力脉冲法的原位小型渗透系数测量系统:中国,ZL200810079360.X[P].2011.
[2]BRACE W F,WALSH J B,FRANGOS W T.Perm-eability of granite under high pressure[J].Journal ofGeophysical Research,1968,73(6):2225-2236.
[3]HSIEH P A,TRACY J V,NEUZIL C E,et al.A transientlaboratory method for determining the hydraulicproperties of‘tight’rocks——I.Theory[J].InternationalJournal of Rock Mechanics and Mining Sciences&Geomechanics Abstracts,1981,18(3):245-252.
[4]NEUZIL C E,COOLEY C,SILLIMAN S E.A transientlaboratory method for determining the hydraulicproperties of tight rocks——II.Application[J].Inter-national Journal of Rock Mechanics and MiningSciences&Geomech.Abstr.,1981,18(3):253-258.
[5]STORMONT J C,HOWARD C L,DAEMEN J J K.Insitu measurements of rock salt permeability changes dueto nearby excavation[R].Albuquerque:Sandia NationalLaboratory,1991.
[6]TAKEDA M,ZHANG M,ESAKI T,et al.Effects ofanisotropy and heterogeneity of rock mass on in-situpermeability tests[C]//ISRM 2003–Technology Roadmapfor Rock Mechanics.USA:South African Institute ofMining and Metallurgy,2003:1195-1198.
[7]李小春,高桥学,吴智深,等.瞬态压力脉冲法及其在岩石三轴试验中的应用[J].岩石力学与工程学报,2001,20(增刊1):1725-1733.LI Xiao-chun,TAKAHASHI M,WU Zhi-sen,et al.Transient pulse technique and its application toconvention triaxial compressive tests[J].Chinese Journalof Rock Mechanics and Engineering,2001,20(Supp.1):1725-1733.
[8]张铭.低渗透岩石实验理论及装置[J].岩石力学与工程学报,2003,22(6):919-925.ZHANG Ming.Theory and apparatus for testinglow-permeability of rocks in laboratory[J].ChineseJournal of Rock Mechanics and Engineering,2003,22(6):919-925.
[9]阮小平,李方全.三峡坝区水库诱发地震研究[M].北京:地震出版社,1993.
[10]陈群策,祁英男,毛吉震,等.利用压力脉冲试验测定某地花岗岩体的渗透系数[J].岩土力学,2005,26(9):1469-1472.CHEN Qun-ce,QI Ying-nan,MAO Ji-zhen,et al.Permeability test of granite mass by using pressure pulsetest method[J].Rock and Soil Mechanics,2005,26(9):1469-1472.
[11]BREDEHOEFT J D,PAPADOPULOS S S.A method fordetermining the hydraulic properties of tightformations[J].Water Resources Research,1980,16(1):233-238.
[12]BAUER C,HOMAND F,HENRY J P.Technical note insitu low permeability pulse test measurements[J].Inter-national Journal of Rock Mechanics and MiningSciences&Geomechanics Abstracts,1995,32(4):357-363.
[13]陈卫忠,杨建平,伍国军,等.低渗透介质渗透性试验研究[J].岩石力学与工程学报,2008,27(2):236-243.CHEN Wei-zhong,YANG Jian-ping,WU Guo-jun,et al.Experimental study on permeability in low permeabilitymedia[J].Chinese Journal of Rock Mechanics andEngineering,2008,27(2):236-243.
[14]李小春,王颖,魏宁.变容压力脉冲渗透系数测量方法研究[J].岩石力学与工程学报,2008,27(12):2482-2487.LI Xiao-chun,WANG Ying,WEI Ning.Research onmeasuring method of permeability by using storage-variable transient pulse method[J].Chinese Journal ofRock Mechanics and Engineering,2008,27(12):2482-2487.
[2]BRACE W F,WALSH J B,FRANGOS W T.Perm-eability of granite under high pressure[J].Journal ofGeophysical Research,1968,73(6):2225-2236.
[3]HSIEH P A,TRACY J V,NEUZIL C E,et al.A transientlaboratory method for determining the hydraulicproperties of‘tight’rocks——I.Theory[J].InternationalJournal of Rock Mechanics and Mining Sciences&Geomechanics Abstracts,1981,18(3):245-252.
[4]NEUZIL C E,COOLEY C,SILLIMAN S E.A transientlaboratory method for determining the hydraulicproperties of tight rocks——II.Application[J].Inter-national Journal of Rock Mechanics and MiningSciences&Geomech.Abstr.,1981,18(3):253-258.
[5]STORMONT J C,HOWARD C L,DAEMEN J J K.Insitu measurements of rock salt permeability changes dueto nearby excavation[R].Albuquerque:Sandia NationalLaboratory,1991.
[6]TAKEDA M,ZHANG M,ESAKI T,et al.Effects ofanisotropy and heterogeneity of rock mass on in-situpermeability tests[C]//ISRM 2003–Technology Roadmapfor Rock Mechanics.USA:South African Institute ofMining and Metallurgy,2003:1195-1198.
[7]李小春,高桥学,吴智深,等.瞬态压力脉冲法及其在岩石三轴试验中的应用[J].岩石力学与工程学报,2001,20(增刊1):1725-1733.LI Xiao-chun,TAKAHASHI M,WU Zhi-sen,et al.Transient pulse technique and its application toconvention triaxial compressive tests[J].Chinese Journalof Rock Mechanics and Engineering,2001,20(Supp.1):1725-1733.
[8]张铭.低渗透岩石实验理论及装置[J].岩石力学与工程学报,2003,22(6):919-925.ZHANG Ming.Theory and apparatus for testinglow-permeability of rocks in laboratory[J].ChineseJournal of Rock Mechanics and Engineering,2003,22(6):919-925.
[9]阮小平,李方全.三峡坝区水库诱发地震研究[M].北京:地震出版社,1993.
[10]陈群策,祁英男,毛吉震,等.利用压力脉冲试验测定某地花岗岩体的渗透系数[J].岩土力学,2005,26(9):1469-1472.CHEN Qun-ce,QI Ying-nan,MAO Ji-zhen,et al.Permeability test of granite mass by using pressure pulsetest method[J].Rock and Soil Mechanics,2005,26(9):1469-1472.
[11]BREDEHOEFT J D,PAPADOPULOS S S.A method fordetermining the hydraulic properties of tightformations[J].Water Resources Research,1980,16(1):233-238.
[12]BAUER C,HOMAND F,HENRY J P.Technical note insitu low permeability pulse test measurements[J].Inter-national Journal of Rock Mechanics and MiningSciences&Geomechanics Abstracts,1995,32(4):357-363.
[13]陈卫忠,杨建平,伍国军,等.低渗透介质渗透性试验研究[J].岩石力学与工程学报,2008,27(2):236-243.CHEN Wei-zhong,YANG Jian-ping,WU Guo-jun,et al.Experimental study on permeability in low permeabilitymedia[J].Chinese Journal of Rock Mechanics andEngineering,2008,27(2):236-243.
[14]李小春,王颖,魏宁.变容压力脉冲渗透系数测量方法研究[J].岩石力学与工程学报,2008,27(12):2482-2487.LI Xiao-chun,WANG Ying,WEI Ning.Research onmeasuring method of permeability by using storage-variable transient pulse method[J].Chinese Journal ofRock Mechanics and Engineering,2008,27(12):2482-2487.
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