破碎煤岩体化学注浆加固机理分析及应用冯志强

36102(X)810COALSCIENCEANDTECHNOLOGYVOI.36No.10oet.2(X)8(,10)13):,,,2,,4;;2;,,,:;;:TD265.4:A:02532336(Zoos)ro003204AnalysisandaPPlieationofehecalgroutingreinforeementmeChaSmtobrokencoalandrockmaSSFENGZhiqiang(C1MiningandD~,TiandiscienceandTechnoCny.,Belx13,china)Araet:Aecordingtominingdepthinereasedinmines,underlhegeiealeonditi5Ofthefaultandthetectonie:oneoceurredandthesurmundingrockbrokenandlarreleasedareainthemininggateway,basedonthemobilelawofthepressurizedutingandrou-tingwoodenboltteehniques.fromtheanalysisonthefalluremeehanismandmechaniesOftheeoalandrockmass,thefunctionalmechanismoftheehemi(aluttotheeoalandrockmasseouldineludethenetframefunetion,bindingreinfoementfunetion,fillingandeom-pactfunetionandreversedfailuremeehanism.Thepargaveadetailanalysisonthefissuresandrosityintheeoalandkmassac-eortlingto*heformationeause,existingstatusanddistribution.Twou*ingeehniqueswaspliedandapprovedintheprojecte~TheresultsshowedthartheIntegralityofthebmkeneoalmasswobviouslyimprovedafterutingreinforcement.Theeoalmasseouldhavehighdeformationabilityinwholeundertheoutloadingwi*hnobrokenoceurred.Buttheeoalmasseouldnotfullyresistthedeforma-tionundertheoutloadingfonetionfortheseParatedbrokenmassaftereonsolidated.Keywords:ehemiealuting;reinforcement;rosity1()2,2,,,,2,,32,4l),,,,,,,,DOI10.13199/j.cst.2008.10.37.fengzhq.010:2(X)8102),,,,3),,,l,1/(m,)/MPa/MPa/MPa3.102.201.970.300.560.790.700.440.210.140.10.137.116.090.2340.3100.263:p4),,,,,,,,(),,,,,,2,,,1{}}}11r2,5l)(),,,,,2),,,,,1;2;3;4;5l3),,,(l)4),,,,,5),,,332(X)810362,;,5,22104104010610,1071081010933.,3,,018,7.09m,4.89m,0.lm,,185m,1429m7,33t,3m,6o,718,ro144),,12,,3.3,,,,,3.3.,,3m(),,3.om,15,2.6m,56MPa,2030km,4///()()(/4,/m/,420.701.4011831112421.88.08.02.83.3.2,,.,1.sm;1.sm,0.6m;2.sm,4.sm,ro~150,0.50.sm,0.30.sm,0.81.Okm,962240109150270F71450.600.350.201.800.306030605070407090296255909023518026165180140Fl3.2l)100270m(4)F1.sm2)165310m,,23),34:200810150mmo100mm,(1.0-1.5MPa),:/m4.56/()1015/m3()/m1.0/MPasro/(kgm)2030/min30/m4.5,,,,,3.43.4.125671011121;2;3;4;5;6;7;8;9A;10;11;12;13B;14;533.53.5.,,,,,,4l;2;3;4();5;6;7;8();9();10();();12();1324,100-200mm,200300mm,,,53.4.24:3,,5(58)35281036,:¹;º,AD7895;»,A9552RAM;¼7[14i=444A/DAD7895iiiilllr,4,,,,,,,,:.D].:,2.,.J].,2(X(12)..M].:,1999..M.:,21..CM].:,1999.,..JIl,..LrllJ,..lJlJ,esesJJjr.IL.esLl..L:(1957),,,,,Tel:[phone]:2809;:,Jles,..J,”r..Lr..L,.J,..J..J4”UfL...LF..L(35)3.5.2:,,,,,,,,.J.,2(X)5(4)..D].:,23..J.,2003(10)..,.()M].:,2(X)3..D.:,2(X)7.::(1975),,,,,Tel:[phone],El:feninian163.~.A..C.:,25.:80512;:58