液压支架与围岩耦合关系及应用王国法

401Vol．40No．120151JOUＲNALOFCHINACOALSOCIETYJan．2015．J．201540130－34．doi10．13225/j．cnki．jccs．2013．1704WangGuofaPangYihui．ＲelationshipbetweenhydraulicsupportandsurroundingrockcouplinganditsapplicationJ．JournalofChi-naCoalSociety201540130－34．doi10．13225/j．cnki．jccs．2013．1704100013“”、、。、－－－。TD353A0253－9993201501－0030－052013－11－218632012AA06A407KJ－2013－TDKC－15．9732014CB0463021960—。[e-mail]。1985—。[e-mail]draulicsupportandsurroundingrockcouplinganditsapplicationWANGGuo-faPANGYi-huiCoalMingandDesigningDepartmentTiandiScience＆TechnologyCo．Ltd．Beijing100013ChinaAbstractBasedonthebond-beamstructuremechanicalmodeltherelationshipbetweenhydraulicsupportandsur-roundingrockcouplingwasstudiedbytheoreticalanalysismethod．Theroofstrataloadinhydraulicsupportwasclassified．Stiffnesscouplingstrengthcouplingandstabilitycouplinginhydraulicsupportandsurroundingrockcou-plingrelationshipwereproposedwhichwasappliedinSuancigouMinetoanalyzethehydraulicsupportfailure．Dy-namicloadiscomposedofroofweightandrotaryspace．Thewholestiffnessofimmediateroofhydraulicsupportandbaseboardcaninfluencethelocationofroofbreak．Ｒeasonablesupportingintensitycanreducethedeflectionandsettlingvelocity．Theinfluenceofdynamicloadimpacttohydraulicsupportwasreduced．Thesupportingintensitycaninfluencethebaseboardandcoalwall．Thestabilityofhydraulicsupportandadaptationtosurroundingrockisthekeytothehydraulicsupportsystemandsurroundingrockstability．Keywordshydraulicsupportsurroundingrockstiffnesscouplingstrengthcouplingstabilitycouplingadaptabili-tyanalysis、、、。1“”“”1－3“”“”4－5。－“”、“”“”36－12。。。1、。、－。①②。①②。1。、、－。。。1Fig.1Loadclassificationandinteractionrelationship2－－－、。2.1－、－2D。2－Fig.2Hydraulicsupportandsurroundingrockstiffnesscouplingmodel13201540、。“”“”、。－－“”3。3Fig.3Mainroofbreakagelocationandinfluence－－15。、－－。－－3AB－－。C—DA－－E—F－－。－－－－－。。2.2－、。－－4。4－Fig.4Hydraulicsupportandsurroundingrockstrengthcouplingmodel。。“”。。“”“”。。231。、、、。。2.3－－－、、、13、、、5。5－Fig.5Hydraulicsupportandsurroundingrockstabilitycouplingmodel－。、、、、、、、。－－。－。3－66.3～11.8m9.76m0～1250°～5°170～240m、9.61m26.35m3.65m。4.0m245mZF15000/26/421。1ZF15000/26/42Table1MaintechnicalparametersofhydraulicsupportZF15000/26/42/m2.6～4.2/kN12778/kN15000/MPa1.4/MPa31.5/t44610581m、、、、。6105－、1－。4626kN3287kN050%～60%－－。。2－。。。33201540、、。3－。、。－ZF21000/25/45D2。31.5MPa37.0MPa12778kN17000kN－－。2ZF21000/25/45DTable2ThemaintechnicalparametersofhydraulicsupportZF21000/25/45D/m2.5～4.5/kN16830/kN21000/MPa1.9/MPa37/t52。15000kN21000kN400mm、360mm。。41、、－、、。2、－－。3。4－。1．“”J．1994196557－563．QianMinggaoMiaoXiexingHeFulian．AnalysisofkeyblockinthestructureofvoussoirbeaminlongwallminingJ．JournalofChinaCoalSociety1994196557－563．2．M．2003．3．“”、“”J．200833111201－1204．HouZhongjie．ConceptofbothshortvoussoirbeamandstepbeaminshallowseamandvoussoirbeamtheoryJ．JournalofChinaCoalSociety200833111201－1204．4．M．1988．5．J．2010324538－541．LuGuozhiTangJianquanSongZhenqi．Differencebetweencyclicfrac-turingandcyclicweightingintervaloftransferringrockbeamsJ．Chi-neseJournalofGeotechnicalEngineering2010324538－541．6．M．2003．7．M．2010．8．J．1997225471－476．LiuChangyouQianMinggaoMiaoXiexingetal．Influen-cingmechanismofimmediateroofontherelationbetweensupportsintheworkingsandsurroundingrocksJ．JournalofChinaCoalSociety1997225471－476．9．J．20032818－12．HouZhongjie．ThecriterionondeterminingmainroofinbreakingzoneanditsapplicationtotheshallowseamJ．JournalofChinaCoalSociety20032818－12．10．J．2008334361－363．XieGuangxiangWangLei．Effectofminingthicknessonabut-mentpressureofworkingfaceJ．JournalofChinaCoalSociety2008334361－36311．J．20113041－9．WangGuofaLiQianZhaoZhilietal．Theimpacttendentious-nesstestingofworkingfacesandroadwayswithstrongrockburstandforesupportsystemJ．JournalofShandongUniversityofScienceandTechnology20113041－9．12．“－－”J．2007324341－346．WuYongping．Controllingpatternfordynamicstabilityofsystem“Ｒoof-Support-Floor”J．JournalofChinaCoalSociety2007324341－346．13．J．2010364691－695．ZhangYinliangLiuJunfengPangYihuietal．EffectanalysisofpreventionribspallingsysteminhydraulicsupportJ．JournalofChinaCoalSociety2010364691－695．43