煤巷锚杆新型高效减摩垫片的研发林健

1000131300N·m50%。TD353.6A1006-6225201205-0011-03DevelopmentofNew-styleHigh-efficiencyAntifrictionGasketforAnchoredBoltLINJianCoalMining＆DesigningDepartmentTiandiScience＆TechnologyCo．Ltd.Beijing100013ChinaAbstractThispaperintroducedcurrentabroadanddomesticstatusofpre-tighteningforceofanchoredboltandanalyzeditsinfluencefactors．New-stylehigh-efficiencyantifrictiongasketwasdevelopedwhichcouldmakeanchoredbolt’spre-tighteningforceimprovedo-ver1timeandreached50%ofyieldforceofanchoredboltunder300N·mtorquemoment．Thisprovidedgoodconditionforspreadinganchoredboltsupportwithhighpre-tighteningforceindeepmineanddynamicpressureroadway．Keywordsanchoredboltsupporthighpre-tighteningforcehigh-efficiencyantifrictiongasketdevelopment2012－06－182010SKLGDUEK10071969－、。、、、、、。、、。、、“”1－3。1000～1400m50～70kN。。150%～70%4。100kN。60～70kN。。110kN1/44.5MPa8.5MPa5。1。70kN。11175108201210CoalminingTechnologyVo1.17No.5SeriesNo.108October2012DOI:10.13532/j.cnki.cn11-3677/td.2012.05.0061/mm/kN16～2216～2225～4522－45～8019～25－60～1202。PM、1P=4π1+f1M2s+πd2f1+πf01+f1D1+d0f1f0、d2mmd0mmD1mmss=ntmmnn=1tmmMkN·mPkN。f1f0t。40%50%10%。f10.12～0.180.2。、。t22mmM24×3mmM24×2.5mm20%5%6。、f0。2。3HAAM－Ⅱ。50022mmM24×3。－、1000N·m、300kNKJ-327F2。HAAM－Ⅱ2HAAM-Ⅱ-/N·m050100150200250300350400450500550/kN017.735.351.669.588.0105.9126.9147.7166.7182.3200.5100N·m35.3kN300～400N·m105.9～147.7kN55.7%～77.7%。HAAM－Ⅱ1010－1。HAAM－Ⅱ10102。101012－50%3。22mmM24×3mm2110820125P=0.164M1010P=0.22M。HAAM－ⅡP=0.444M。f1=0.2f0=0P=0.447M36.7%101049.2%HAAM－Ⅱ99.3%。4HAAM－ⅡHAAM－Ⅱ3。300mm1200mm。300N·m50kN。HAAM－Ⅱ。3HAAM－Ⅱ/N·m200250350/kN71.380.3113.75HAAM－Ⅱ3/14900mm46.7。1。61。2、。31300N·m100～150kN。1.M.2007.2.J.2007327680－685.3.J.200732121233－1238.4.J.20091441－4.5.D.2007.6.D.2011.檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿63。1.J.198716121－28.2.J.199818443－50.3.J.1999186651－653.4.SY/T5336－1996S.1996.5.M.2005.6WilliamPowrie.SoilMechanicsConceptsandApplications2ndEditionM.Taylor＆Francis2004.7SkemptonAW.EffectiveStressinSoilsConcreteandRocksPorePressureandSuctioninSoilsM.LondonButterworth1961.8JamesKenneth.MitchellKenichiSoga.FundamentalsofSoilBe-havior3rdEditionM.NewJerseyJohnWiley＆Sons2005.3120125