欢迎来到天天文库
浏览记录
ID:46620765
大小:1.54 MB
页数:4页
时间:2019-11-26
《TRC模板与现浇混凝土叠合T型梁抗弯性能试验研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、2017年第3期(总第329期)Number3in2017(TomlNo.329)混凝土Concrete混凝土制品CONCRETEPRoDUCTSdoi:10.39698.issn.1002-3550.2017.03.030TRC模板与现浇混凝土叠合T型梁抗弯性能试验研究苟勇,,田高伟z,曹鹏2(1.盐城工学院,江苏盐城224051;2.苏州科技大学,江苏苏州215009)摘要:织物增强混凝土(TRC,TensileReinforcedConcrete)是一种新型建筑结构材料,近年来,对TRC展
2、开各种研究的国家越来越多。由两组T型梁构成,一组采用不锈钢钢板网衬固定高性能纤维织物,并用超高性能混凝土预制成模板,形成钢板网和纤维织物联合增强混凝土永久性模板,与现浇混凝土结合协同受力的T型叠合梁,另一组T型梁直接用混凝土整浇作为对比梁。两组T型梁分别进行四点抗弯试验,根据试验结果分析织物增强混凝土对叠合梁力学性能的影响。通过对两组T型梁的破坏情况研究。分析此类叠合构件对其刚度、承载力、裂缝开展等的影响。关键词:织物增强混凝土;永久性模板;T型叠合梁;抗弯性能中图分类号:TU528.7文献标志
3、码:A文章编号:1002—3550(2017)03—0120—04ExperimentalresearchonbendingbehaviorofreinforcedT-shapedcomposkebeamsstrengthenedwithtextilereinforcedconcretesheetsⅪ7NYon91.TIANGaowei2.CAOPen92(1.YanchengInstituteofTechnology,Yanchen9224051,China;2.SuzhouUniversit
4、yofScienceandTechnology,Suzhou215009,China)Abstract:Textilereinforcedconcreteisanewtypestructurematerials,inrecentyears,moreandmorecountrieshavestartedtostudyit.ThisexperimentistopreparetwosetsofTsh印edbeam,agroupoffirstwithstainlesssteelmeshliningfix
5、edhighperformancefiberfab—ric,andultrahighperformanceconcreteprefabricatedtemplate,formasteelplatemeshandfiberfabriccombinedreinforcedconcreteper-manentmouldplate。tothecast-in—situconcreteformworkandpermanenttemplateandcast-in-placeconcreteassociatio
6、nwiththeT—shapedcompositebeam.AnothergroupofTbeamisdirectlyusedasthecontrastbeam.TwogroupsofT-shapedbeamwerecarriedoutfourpointbendingtest,accordingtothetestresults,theeffectoffabricreinforcedconcreteonthemechanicalpropertiesofthecompositebeamWasanal
7、yzed.ThroughtheresearchonthedamageofTbeam,theuseofpermanentformworkcaneffectivelyimprovethebendingresistanceofRCbeam.SteelmeshandfabricmeshCanbearpartofthetension,reducethedeflectionofthebeam,improvethebendingre—sistanceandstiffness,andtransfertheloa
8、dthroughthepermanentformworkandthecastinplaceconcrete.Theperformanceofbothofthemisgood,whichCanbecombinedwithdeformationandstress,andcaneffectivelycontrolthedevelopmentofcracks.Keywords:textilereinforcedconcrete;permanentform;Tshapedcompositebeam;fle
此文档下载收益归作者所有