框架柱复合箍筋优化布置方式探讨
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摘要
在分析传统复合箍筋布置方式优缺点的基础上,提出了框架柱箍筋的优化布置方式,即将同一截面上的复合箍筋分散到相邻箍筋截面中间。该布置方式形成连续且间距较小的箍筋布置效果,有利于发挥箍筋对混凝土的约束作用,减小各种因素可能引起框架柱扭转而在柱非加密区产生的裂缝,改善柱中部区域在地震作用下的延性性能,同时可以提高框架柱的施工质量。
Based on the advantage and shortcoming of traditional composite stirrup arrangement manner,the optimization arrangement manner of stirrup in frame column is presented that distributing stirrup of the same section to adjacent region between two stirrup sections.This manner can form continuous arrangement effect of hoop bar with less space,and be fit for concrete restricted by stirrup.It also can reduce the concrete crack arised by retortion in the region of frame column,and improve the ductility capability under the earthquake.The construction quality of frame column is improved simultaneously.
Based on the advantage and shortcoming of traditional composite stirrup arrangement manner,the optimization arrangement manner of stirrup in frame column is presented that distributing stirrup of the same section to adjacent region between two stirrup sections.This manner can form continuous arrangement effect of hoop bar with less space,and be fit for concrete restricted by stirrup.It also can reduce the concrete crack arised by retortion in the region of frame column,and improve the ductility capability under the earthquake.The construction quality of frame column is improved simultaneously.
引文
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[2]过镇海,时旭东.钢筋混凝土原理和分析[M].北京:清华大学出版社,2003.Guo Zhenhai,Shi Xudong.Principle and analysis of reinforcedconcrete[M].Beijing:Tsinghua University Press,2003.(in Chinese)
[3]中国建筑科学研究院.GB50010-2002混凝土结构设计规范[S].北京:中国建筑工业出版社,2002.China Academy of Building Research.GB50010-2002 Code fordesign of concrete structures[S].Beijing:China Architecture&Building Press,2002.(in Chinese)
[4]中国建筑科学研究院.JGJ3-2002高层建筑混凝土结构技术规程[S].北京:中国建筑工业出版社,2002.China Academy of Building Research.JGJ3-2002 Technicalspecification for concrete structure of tall building[S].Beijing:ChinaArchitecture&Building Press,2002.(in Chinese)
[5]中国建筑标准设计研究院.03G101-1混凝土结构施工图-平面整体表示方法制图规则和构造详图[S].北京:中国建筑工业出版社,2003.China Institute of Building Standard Design&Research.03G101-1Drawing rule and construct detail drawing on concrete structureconstruction drawing plane whole show method[S].Beijing:ChinaArchitecture&Building Press,2003.(in Chinese)
[6]屈文俊,罗西勤.延长混凝土结构耐久寿命的截面设计配筋方法.中国:CN1170801A[P].1999-05.Qu Wenjun,Luo Xiqin.Section design reinforcing method forprolonging concrete structure duarbility life.China:CN1170801A[P].1995-05.(in Chinese)
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