_普通混凝土长期性能和耐久性能试验方法标准_GB_T50082_2009简介

6CONSTRUCTIONTECHNOLOGY201023925普通混凝土长期性能和耐久性能试验方法标准6GB/T50082-2009简介冷发光1,戎君明1,丁威1,田冠飞1,周永祥1,纪宪坤1,何更新2,韦庆东1,王晶1,鲍克蒙1,田凯1(11中国建筑科学研究院,北京100013;21全国混凝土标准化技术委员会,北京100013)[]56GB/T50082-2009,201071,GBJ82-85,,,[];;[]TU528[]A[]1002-8498(2010)02-0006-04IntroductionofRevisedStandardforTestMethodsofLong-termPerformanceandDurabilityofOrdinaryConcreteGB/T50082-2009LengFaguang1,RongJunming1,DingWei1,TianGuanfei1,ZhouYongxiang1,JiXiankun1,HeGengxin2,WeiQingdong1,WangJing1,BaoKemeng1,TianKai1(11ChinaAcademyofBuildingResearch,Beijing100013,China;21NationalTechnicalCommitteeonConcreteofStandardizationAdministrationofChina,Beijing100013,China)Abstract:ThenationalstandardofStandardfortestmethodsoflong-termperformanceanddurabilityofordinaryconcreteGB/T50082-2009wasapproved,anditwillbeimplementedonJuly1,2010.Meanwhile,theoriginalnationalstandardofGBJ82-85willbeabolished.Thepreparationbackgroundandsummaryareintroduced.Theseveralimportanttestmethodsrevisedinthisversionarealsointroducedinbrie,fsuchasant-ifreezetestmethod,seepageheightmethod,andant-ichloridepermeabilitytestandsoon.Keywords:codeandstandard;concrete;durability[]2009-12-14[],,,,,30100013,:[phone],E-mai:[e-mail]1,,40%,60%,,,,56GBJ82-851985,20,,,20044,20047,20087,,200811,56(),20091130,56,GB/T50082-2009,20107156GBJ82-852010No.2:56GB/T50082-200972,,,,,,9,8,172111)/0,,,,,,,,,,,,,,,,,,,2)/0,,,,;,(),,(RILEMTC176B2002CIF(CF),prENV12390-9B2002),(),212,,/0,,,/0,,,,,56SL352-200656JTGE30-200556JTJ270,()24h112MPa,,,2131)(RCM)CTH,CTH(NTBuild492-1999111),SIA262/1-2003BAW(2004105)NTBUILD492CENTC51(CENTC104)/WG12/TG5ENNTBuild492-1999111/ChlorideMigrationCoefficientfromNon-steady-stateMigrationExpermients0(),,1RCMFig.1EquipmentofRCMtest()()1,,,,8392)(ASTM)ASTMC1202,(),,,,,(AASHTOT259)(60V)6h,2,(ASTM1202-07),12Fig.2Equipmentofelectricfluxtest1Table1Chlorideionpenetrationofconcrete/C40002000~40001000~2000100~1000100214,,(),,,(3d)(),1~2d((20?2)e,(60?5)%),,2d,,,(01002mm),,,215,,,ICBO,,,/0,/0,,,\5m/s,24h,,,216,,,,,,,,,28d,5%Na2SO415h,80e6h,,(24?2)h,,,2010No.2:56GB/T50082-20099217--,56JGJ52-2006/0/0/0,,,/-0/Testmethodforpotentialexpansiveofcement-aggregatecombination(concreteprismexpansionmethod)0CAN/CSA-A2312-14AB2004(RILEM)-(TC191ARP)/0(AAR-3)12,AAR,,-,()--,AAR,,:,,AAR-,,AAR,,,,AAR,,3,,,,,,,(5)3Table3GradedivisionofearlycrackingresistanceofconcreteL-ÑL-ÒL-ÓL-ÔL-Õc(mm2/m2)c\1000700[c1000400[c700100[c400c100,,,,,:¹;º,;»,,,/0:,3,56,56JGJ/T193-2009,,,,,,,