不同杆体外形树脂锚杆锚固与安设性能对比试验研究林健

402Vol．40No．220152JOUＲNALOFCHINACOALSOCIETYFeb．2015．J．2015402286－292．doi10．13225/j．cnki．jccs．2014．0246LinJianYangJingheHanGuoqiangetal．ComparabletestonanchoringandsettingperformanceofresinboltswithdifferentrodshapesJ．JournalofChinaCoalSociety2015402286－292．doi10．13225/j．cnki．jccs．2014．024612121212121．1000132．1000135、、。5125mm170kN、、、1．16、1.18、1．241．65、、、1.75、1.85、2.72.51～22～33～4。。TD353A0253－9993201502－0286－072014－03－06U1261211KJ－2013－TDKC－01KJ－2013－TDKC－071969—。[e-mail]ringandsettingperformanceofresinboltswithdifferentrodshapesLINJian12YANGJing-he12HANGuo-qiang12WANGZeng-sheng12WANGYang121．CoalMiningandDesigningDepartmentTiandiScienceandTechnologyCo．Ltd．Beijing100013China2．CoalMiningandDesigningBranchChinaCoalＲesearchInstituteBeijing100013ChinaAbstractTheanchorageperformancesmixinguniformityofresinanchoringagentsettingtorqueandthrustofthecurrentfivekindsofresinanchoringboltswithdifferentrodshapesincoalmineroadwayswerestudiedbylaboratorytests．Theresultsshowthatthepullingforceoffivekindsofboltsismorethan170kNundertheconditionof125mmanchorlength．Themixingeffectispoorwithfinishrollingright-handedall-coarse-threadboltsalargeareaofanchoragesegmentareemptyorrodandresinanchoringagentseparated．Left-handednolongitudinalfineribboltshavetheminimumsettingtorquethesettingtorquesoffinishrollingright-handedall-coarse-threadboltsleft-handedlowwideribboltsfinishrollingright-handedall-fine-threadboltsgeneralleft-handednolongitudinalribboltsarere-spectively1.75times1.85times2.7timesand2.5timesofits．Finishrollingright-handedall-coarse-threadboltsandfinishrollingright-handedall-fine-threadboltsneedoneortwoworkerstocompletetheinstallationinthecaseoffulllengthanchorage．Left-handedlowwideribboltsneedstwoorthreeworkersandgeneralleft-handednolongitudi-2nalribboltsandleft-handednolongitudinalfineribboltsneedthreeorfourworkerstocompletetheinstallation．Al-thoughleft-handedlowwideribboltsisobviouslybetterthangeneralleft-handednolongitudinalribboltsonthean-chorageandinstallationperformancebuttherearestillspacesforoptimizationespeciallyintheareasofcrossribwidthandheight．Keywordsresinboltanchorageperformancesettingtorquesettingthrust。。。1－67－1011－17、、、18－20。。、。、、、。1、、、5。1。2MT146.1—2011《1》28～30mm、。20～25℃15Fig.1Fivekindsoftestboltshape。3。22mm400mm。125mm“”28mm30mm。2h。JAW－1500kN。1500kN13～60mm220mm。0.096mm/s。23。41。7822015402Fig.2Anchoringperformanceoftestequipment。216.2kN186.5kN197.6kN197.3kN183.6kN179.5kN。5MT146.1—2011《1》100kN。5。3Fig.3Specimendamagetypicalphotos4Fig.4Testcurvesofdifferentboltsanchorageperformancecomparedwiththeboltrodtension45、。。30mm、800mm1MSZ2360760mm。ZMS15。。55。、、。8822“”15Table1Fivekindsofboltanchorageperformancetestdata/kN/kN/%/kN123123123123123205.7235.9142.6277.9186.5172.083.6197.696.1181.588.2188.479.9164.669.8197.383.6157.9110.7183.6128.8172.2120.8141.150.8157.956.8179.564.6216.2115.9137.973.9171.992.2≥10055Fig.5Fivekindsofboltmixingeffect“”。。。5。。。MZ－16。400r/min370r/min。。JN－338JN－3389822015406MZ－1Fig.6MZ－1boltcomprehensivetestequipment。“”30mm800mm5mm。MSZ2360760mm。7530～37s。56.62N·m。7.70N·m7.82N·m8.24N·m10.95N·m1.65、1.24、1.181.16。、。。。75Fig.7Fivekindsofboltmixingtorquetestcurves6。。。。。30mm、800mm。1MSM2360760mm1000mm。ZMS15、BK－22Tk=0.15με/NYJk4500。。58204N358N1.75378N1.85552N2.7517N2.5。5＜＜＜＜。51。85Fig.8Fivekindsofboltmixingthrusttestcurves72400mm。30mm、2300mm。1MSK2335、3MSM23602300mm。、0922。91254N1308N1.041458N1.161756N1.41881N1.5。1～22～33～4。95Fig.9Fivekindsofboltmixingthrusttestcurveswithfulllengthanchorage81、。2、。。3。－。。91。25。125mm216kN4170kN。3、、。2。4760mm56.62N·m、、、1.16、1.18、1.241.65。5760mm5204N、、、1.75、1.85、2.72.5。51。61～22～33～4。7、。192201540。、。1．M．2007256－257．2．J．200732121233－1238．KangHongpuWangJinhuaLinJian．HighpretensionedstressandintensiveboltingsystemanditsapplicationindeeproadwaysJ．JournalofChinaCoalSociety200732121233－1238．3．J．200611659－62．LinJian．ApplicationofhighstrengthhighstiffnessandpoweredanchorsupportingsystemindeephighstressandsoftrockroadwayJ．CoalMiningTechnology200611659－62．4．J．200712347－50．LinJianZhaoYingliWuYongzhengetal．HighpretighteningandstrengthboltandropesupportingresearchandapplicationincrackedlooseandsoftroadwaywithsmallprotectionpillarJ．CoalMiningTechnology200712347－50．5．J．20091441－4．LinJianKangHongpu．Ｒesearchstatus-quoandtendencyofthread-steelresinanchoredboltJ．CoalMiningTechnology20091441－4．6．600MPaJ．201139976－80．DiQuankangZhouYuliChengSihuaetal．Developmentandqual-itycontrolof600MPasteelbarforboltappliedtoseamgatewaysupportJ．CoalScienceandTechnology201139976－80．7．J．2007327680－685．KangHongpuJiangTiemingGaoFuqiang．EffectofpretensionedstresstorockboltingJ．JournalofChinaCoalSociety2007327680－685．8．J．20071241－317．FanMingjianKangHongpu．Ｒelationshipresearchofboltpre-stressandsupportingeffectofroadwayJ．CoalMiningTechnolo-gy20071241－317．9．J．2008337721－726．KangHongpuJiangTiemingGaoFuqiang．DesignforpretensionedrockboltingparametersJ．JournalofChinaCoalSociety2008337721－726．10．J．20133871168－1173．XuYoulinKangHongpu．Thestudyoncontrolcoalandgasout-burstwithhighprestressro