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1、Seediscussions,stats,andauthorprofilesforthispublicationat:https://www.researchgate.net/publication/288446961ExperimentalstudyandstatisticalanalysisofcrackpatternsofreinforcedconcretebeamsArticle·December2008CITATIONSREADS4425authors,including:ShunBoZhaoJunfengGuanNorthChinaUn
2、iversityofWaterConservancyandElectricPowerNorthChinaUniversityofWaterConservancyandElectricPower127PUBLICATIONS285CITATIONS81PUBLICATIONS131CITATIONSSEEPROFILESEEPROFILEXiufangZhang36PUBLICATIONS294CITATIONSSEEPROFILESomeoftheauthorsofthispublicationarealsoworkingontheserelate
3、dprojects:concreteViewprojectStudyonthemulti-scaledamagemechanismandconstitutivemodelofgreenrecycledconcretebasedonthestatisticaldamagetheoryViewprojectAllcontentfollowingthispagewasuploadedbyShunBoZhaoon18February2016.Theuserhasrequestedenhancementofthedownloadedfile.第25卷第12期
4、Vol.25No.12工程力学2008年12月Dec.2008ENGINEERINGMECHANICS141文章编号:1000-4750(2008)12-0141-06钢筋混凝土梁裂缝分型试验研究及统计分析*1,22112赵顺波,管俊峰,张学朋,程晓天,黄承逵(1.华北水利水电学院土木与交通学院,河南,郑州450011;2.大连理工大学土木水利学院,辽宁,大连116024)摘要:通过20根钢筋混凝土简支梁的试验,研究了纵向受拉钢筋和混凝土保护层厚度对裂缝分布形态的影响规律。根据各条裂缝的产生机理、延伸发展的特征和宽度变化规律,提出了钢筋混凝土梁的裂
5、缝分型统计分析原则,确定了结构设计中裂缝宽度验算对应的裂缝形态特征,提出了以截面高度和纵向受拉钢筋直径为变量的纵向受拉钢筋有效影响区即有效受拉截面面积的计算方法,进行了平均裂缝间距、平均裂缝宽度及裂缝宽度扩大系数分布规律的统计分析。关键词:结构工程;钢筋混凝土;梁;裂缝;分布形态;有效受拉截面面积;混凝土保护层厚度中图分类号:TU375.1文献标识码:AEXPERIMENTALSTUDYANDSTATISTICALANALYSISOFCRACKPATTERNSOFREINFORCEDCONCRETEBEAMS*1,22112ZHAOShun-bo,
6、GUANJun-feng,ZHANGXue-peng,CHENGXiao-tian,HUANGCheng-kui(1.SchoolofCivilEngineeringandCommunication,NorthChinaInstituteofWaterConservancyandHydroelectricPower,Zhengzhou,Henan450011,China;2.SchoolofCivilandHydraulicEngineering,DalianUniversityofTechnology,Dalian,Liaoning116024,
7、China)Abstract:Basedonthetestsof20simplysupportreinforcedconcretebeams,theeffectsofthelongitudinaltensilereinforcementandtheconcretecoveronthecrackdistributionarestudied.Accordingtothepatternofthecrackoccurring,thecrackelongationandthecrackwidth,cracksaredividedintoseveralgrou
8、psandanalyzedstatistically,thecrackpatterncorrespondingtothes