-混凝土结构后锚固技术规程-JGJ145-2004-简介-万墨林

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349   20049《》(JGJ145—2004)万墨林( 100013)[] 《》(JGJ145—2004),、、。、、。[]      Technicalspecificationofpost-anchoringusedinconcrete(JGJ145—2004)isthetechnicalspecificationfirstlypub-lishedinChinaforconnectionsconcreteandothermemberswithanchorsinconcrete.Thecontentsincludethecon-nectiontypes,applicationscope,calculationmethod,constructionandsoon.Thetechniqueisaspecialtechniqueusedintheengineeringsofhousedecoration,equipmentinstallation,reconstructionandreinforcementetc.Keywords:post-anchoring;bolt;connectionmember;destroymodel;anchoringbearingcapacity  。-,、,、、。,、。,,,。,《》。、,。,,ETAG[1]、,,、、。、(ConcreteScrews),、,,。,,、(、、、)、(、)、,1。,,,、(c≥10hef,c,hef)、。(),(),,1、、××××■××★★××××★★★★××■★★★★■■、、★★★★■★★★★★■★  :★,×,■。,,。,。,,,,《》,、(c10hef)、。,,,,。,。;,,。,。,,,,,、63(c10hef)、。,,,(),,(interlock),。,,,,,、、;,、、。,,,———,,,。,,,,,≤8。,,(),。1 、,、。,。、(1),hefhcr。,。、、,《2  》,。。,(2),。,,,(3hef);,,hef/3,,2hef/3。,(3),c、hefdnomd。,(4)。,(5)。,、,,,,。,。,,。,,;,,,。,,,,。,,,,、、643  4  ,,,,。:。,。,,;,,、、,。[1-5],,2。5  、1.,6。:※※※※※。,。2.。(≤5.8),,,。,。2,Nsu=AsfstuNRk,s=Asfstk,Vsu=0.6AsfstuVRk,s=0.5Asfstk,NNsu2+VVsu2=1NskNRk,s2+VskVRt,k2=1,Ncu=13.5h1.5effcu,ν=0.15N0Rk,c=10h1.5effcu,kNcu=9.5h1.5effcuN0Rk,c=7.0h1.5effcu,k,Nsp=ψh,spNcuN0Rk,sp=ψh,spN0Rk,c,“-”Ncu=15(hef-30)1.5fcuN0Rk,c=7.3(hef-30)1.5×fcu,kNcu=6.2(hef-30)1.5fcuν=0.3N0Rk,c=3.0(hef-30)1.5×fcu,k,Vcu=0.9dnom(lf/dnom)0.2  ×fcuc1.5V0Rk,c=0.45dnom(lf/dnom)0.2   ×fcu,kc1.5,Vcp=kNcuV0Rk,cp=kN0Rk,c,NNcu1.5+VVcu1.5=1(NskNRk,c)1.5+(VskVRk,c)1.5=1Nu,pc=5.6hefDfcuNRk,pc=4.1hefDfcu,kNu,pc=2.3hefDfcu,ν=0.16NRk,pc=1.7hefDfcu,kNu,pc=17.5hefdfcuNRk,pa=12.9hefdfvkNu,pa=10.5hefdfv,ν=0.16NRk,pa=7.7hefdfvk,Ncu=10.3h1.5effcu,ν=0.15N0Rk,c=7.7h1.5efdfcu,k,Ncu=13.22h1.75ef,ν=0.3~0.4N0Rk,c=4.5h1.75ef  :fcu,fcu,k、(MPa);dnom,d(mm);lf(mm),D(mm);fv,fvk“-”、(MPa);ν。  3.,:γAS≤R(1)R=Rk/γR*(2)γA,γA=1.1~1.2;S;Rk;R;γR*,3。,,Nsd,VsdNRd,s,NRd,c,NRd,p,NRd,sp,NRd,s,VRd,cp,VRd,cNsd≤minNRd*,Vsd≤minVRd*,(βN)α+(βV)α≤16 65γR*3γRc,N3.02.15γRc,V2.51.8γRp3.02.15γRsp3.02.15γRcp2.51.8γRs,N1.3fstk/fyk≥1.551.2fstk/fyk≥1.4γRs,V1.3fstk/fyk≥1.4(fstk≤800MPa,fyk/fstk≤0.8)1.2fstk/fyk≥1.25(fstk≤800MPa,fyk/fstk≤0.8)  ,,,γR*《》(ETAG),10%,36%~44%。,(1),4。4NSd≤NRd,sNhSd≤NRd,sNSd≤NRd,paNhSd≤NRd,paNSd≤NRd,pcNhSd≤NRd,pcNSd≤NRd,cNgSd≤NRd,cNSd≤NRd,spNgSd≤NRd,spVSd≤VRd,sVhSd≤VRd,sVSd≤VRd,cpVgSd≤VRd,cpVSd≤VRd,cVgSd≤VRd,c(NhSd/NRd,s)2+(VhSd/VRd,s)2≤1(NgSd/NRd,c)1.5+(VgSd/VRd,c)1.5≤1  :NhSd,VhSd;NgSd,VgSd。4,,,。,:,,,(NhSd);,,,NgSd。,,5。N0Rk,c,A0c,N,(2);Ac,N;ψS,NcNRk,c;ψre,NNRk,c;ψec,NNRk,c;ψucr,NNRk,c;ψh,spNRk,sp;V0Rk,c,A0c,v,(2);Ac,v;ψS,vc2/c1VRk,c,c1,c2;ψh,vc1/hVRk,c;ψα,vVRk,c;ψec,vVRk,c;ψucr,vVRk,c;kVRk,cp。5NRk,c=N0Rk,c(Ac,N/A0c,N)ψS,Nψre,Nψec,Nψucr,NNRk,sp=ψh,spNRk,cVRk,c=V0Rk,c(Ac,v/A0c,v)ψS,vψh,vψα,vψec,vψucr,vVRk,cp=kNRk,c  4.,,、、,。、、,,S≤kR/γRE(3):k,,1.0,,0.7~0.8,0.5~0.7;γRE,1.0。、1.,,;,,;,≥C20。2.,、,,、。、。3.,、()、、,。4.,,Δσ=σmax-σmin≤100MPa。5.,,、。(46)66。。3,4,,。,,。3  4  ,17#16m,78.1mm,。、,4。,,,,,,。4(mm)(mm)(%)(mm)(mm)(%)1674.879.46.12172.668.85.231778.174.54.62369.971.01.572071.875.85.572680.872.21.06  :。、,、,。,,,,,,。,。1.,,.().:,2001.2..().:,2000.3..(DGJ08-11-1999).4.,..,2000,21(4).(48)、,-。,。,,,。,-;,,。。,,-。1...,1986.2...,1991,12(1).3.,,..:21,,2000.4...:,2000.(66)、,。:※※※()※;:※()※※※※;:※※(、)※※※。:,,。、、。、、;,,;,,,。。1.GuidelineforEuropeanTechnicalApprovalofAnchors(MetalAn-chors)forUseinConcrete(ETAG).EuropeanOrganisationforTechnicalApprovals,B-1050Brussels.2.Eligehausen.Connectionsbetweensteelandconcrete.VolumeⅠ,Ⅱ,RIL-FMPublicationsS.A.R.L.,ThePublishingCompanyofRILEM.3.BulletinD'informationN°216,Fasteningstoconcreteandmasonrystructures.July1994,CEBCommitteeEuro-InternationalDuBeton.4.Eligehausen,Malle'e,Rehm.Befestigungstechnik.SonderdruckausdemBeton-Kalender,1997.5...,2000.46

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