植筋锚固深度不足的处理技术

:2009-11-13:(1971-),,,,E-mai:[e-mail]张炳林(,250001):介绍了化学植筋技术中植筋锚固深度的确定方法,并按国标5混凝土结构加固设计规范6计算了实际工程中的植筋锚固深度,对遇到构件最小厚度不满足规范要求的情况,结合工程实例提出了处理措施:化学植筋;植筋锚固深度;处理措施:TV554+113:A:1003-8825(2010)02-0204-020,,,,,,,,,,,(1),1/mm12141618202225/97439620382975313180156[1]56[2],[1]7/0/hef,min/d0,[2],,ld\WNWaels(1)WN,WN=Wbr=012Asptdfy/fbd;Wae;Wbr;Ww;WT(T);Aspt;fbdC25,6,8,10mm,II,6,5mm22ld/mm12141618202225Wbr=1150339/340395/395452/455508/510565/565646/650776/780Wbr=1115260/260303/305346/350390/390433/435495/495595/595Wbr=1100226/230264/265301/305339/340376/380431/435518/52015182022252831:11/;21,6mmhmin=ld+2D(2)D(2),#204#SubgradeEngineering20102(149)2211,,,Ry,lsRyfy,lsld=012AsptdRy/fbd(3)ldlmin(1):lmin\max(013ls,10d,100mm);(2):lmin\max(016ls,10d,100mm)115450mm@450mm(),250mm@600mm,-105kN#mC30,HRB335,320(As=942mm2),320M=A1fcbxh0-x2A1fcbx=RyAs(4)(4),Ry=20618MPa,ls=30614mm,ld=388mm,ld=3902,435(433)mm390(388)mm,483mm438mm,,lmin212,211,lmin(),56[3]017,017ld,1213,,,;([3])HRB335325(As=1473mm2)518+116(As=1473mm2),72%HRB400HRB335,8313%214,3,:¹;º;»;¼:[1]JGJ145-2004,[S].[2]GB50367-2006,[S].[3]GB50010-2002,[S].TechnologyforInsufficientDepthTreatmentofBarPlantedAnchorageZHANGBing-lin(RealEstateDevelopmentCo1,Ltd1ofChinaRailwayNo110BureauCorporation,Jinan250001,China)Abstract:Thispaperintroducesthemethodfordeterminationthedepthofbaranchorageinchemicalbarplantingtechnologyandcalculatesanchoragedepthinpracticalengineeringaccordingtointernationalstandard/ConcreteStructureReinforcementDesignCriterion0.ItputsforwardtreatmentmeasuresforthecomponentswithinsufficientminimumthicknesscombinedwithengineeringexamplesKeywords:chemicalbarplanting;depthofbarplantedanchorage;treatmentmeasures#205#: