您好,欢迎访问三七文档
当前位置:首页 > 商业/管理/HR > 项目/工程管理 > -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
6 CONSTRUCTIONTECHNOLOGY2010239 2《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(1.中国建筑科学研究院,北京 100013;2.全国混凝土标准化技术委员会,北京 100013)[]《》GB/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(1.ChinaAcademyofBuildingResearch,Beijing 100013,China;2.NationalTechnicalCommitteeonConcreteofStandardizationAdministrationofChina,Beijing 100013,China)Abstract:ThenationalstandardofStandardfortestmethodsoflong-termperformanceanddurabilityofordinaryconcreteGB/T50082-2009wasapproved,anditwillbeimplementedonJuly1,2010.Meanwhile,theoriginalnationalstandardofGBJ82-85willbeabolished.Thepreparationbackgroundandsummaryareintroduced.Theseveralimportanttestmethodsrevisedinthisversionarealsointroducedinbrief,suchasanti-freezetestmethod,seepageheightmethod,andanti-chloridepermeabilitytestandsoon.Keywords:codeandstandard;concrete;durability[]2009-12-14[],,,,,30 100013,:(010)64517940,E-mail:lengfaguang@126.com1 ,,40%,60%,。,。,。,。《》GBJ82-851985,20,,。。,。20044,。20047,。20087,,200811,《》(),。20091130,《》,GB/T50082-2009,201071。《》GBJ82-85。2010No.2:《》GB/T50082-20097 2 ,,,,,。,9,8。,17。2.1 1)“”,、。,,,,,,,。,。,,、、,,,,,。,。,,。2)“”,。,,,;,()。,。,(RILEMTC176∶2002CIF(CF),prENV12390-9∶2002),。(、),。2.2 ,,。“”,,,“”,,。,。,,《》SL352-2006、《》JTGE30-2005、《》JTJ270。、、,()。24h1.2MPa,,。,。2.3 1)(RCM)CTH,CTH(NTBuild492-1999.11),SIA262/1-2003BAW(2004.05)。NTBUILD492CENTC51(CENTC104)/WG12/TG5EN。NTBuild492-1999.11“ChlorideMigrationCoefficientfromNon-steady-stateMigrationExperiments”(),,。1 RCMFig.1 EquipmentofRCMtest()。()。1,,,、、、,8 39。2)(ASTM)ASTMC1202,(、)。。,。,,。,,(AASHTOT259)。(60V)6h,2,(ASTM1202-07),1。2 Fig.2 Equipmentofelectricfluxtest1 Table1 Chlorideionpenetrationofconcrete/C40002000~40001000~2000100~10001002.4 ,,(),,,。(3d)(、),。1~2d((20±2)℃,(60±5)%),,2d。,。,。,(0.002mm)、、。,、、,。,。2.5 ,。。,,。ICBO,,,“”。,“”。、,,。,≥5m/s,24h。,,,。2.6 ,,。,,,。,,,。。,28d。,5%Na2SO415h,80℃6h,,(24±2)h。,,,2010No.2:《》GB/T50082-20099 。2.7 --,。《、》JGJ52-2006“”、“”“”。,。,,“-”。“Testmethodforpotentialexpansiveofcement-aggregatecombination(concreteprismexpansionmethod)”CAN/CSA-A23.2-14A∶2004。(RILEM)-(TC191ARP)“”(AAR-3)。、12,AAR,,-。,()-。-,AAR,,:。,,。AAR。-,,。AAR,,,。,AAR,,。3 ,、、,、。,。,。,,。、,。(5)3 Table3 GradedivisionofearlycrackingresistanceofconcreteL-ⅠL-ⅡL-ⅢL-ⅣL-Ⅴc(mm2/m2)c≥1000700≤c1000400≤c700100≤c400c100,,、、,、、。,,。:①、、;②、,;③,。,。,“”。。:,。3 ,、。、、《》,。《》JGJ/T193-2009,,。,、、。,、、、,。,,、。
本文标题:-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
链接地址:https://www.777doc.com/doc-4722429 .html