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“栓钉+箍筋多倍间距穿钢骨腹板”大长宽比型钢混凝土短柱抗震性能试验研究
章一萍1,2,张川3,周杨4,张春雷1,2,钟华君5
摘 要

(1 四川省建筑设计研究院, 成都 610000; 2 四川省建筑工业化工程技术研究中心, 成都 610000; 3 重庆大学土木工程学院, 重庆 400045; 4 中机中联工程有限公司, 重庆 400039;5 中国建筑西南设计研究院有限公司设计十院, 重庆 400020)

[摘要]提出“栓钉+箍筋多倍间距穿钢骨腹板”的箍筋设计方法,以减少大长宽比型钢混凝土柱中钢骨腹板穿筋、开洞等施工工序,缩短施工工期,降低建造成本;并对采用该方法设计的大长宽比型钢混凝土短柱进行了抗震性能试验。研究表明:采用“栓钉+箍筋多倍间距穿钢骨腹板”的型钢混凝土短柱具有良好的承载力、塑性变形能力和耗能能力,满足抗震性能需求。最后,通过实际工程应用验证了提出方法的有效性和可行性。

[关键词]型钢混凝土短柱; 多倍箍筋间距; 箍筋; 栓钉; 抗震性能; 大长宽比

中图分类号:TU375文献标识码:A文章编号:1002-848X(2016)18-0093-06

 

Experimental study on seismic behavior of steel-reinforced concrete short columns with large height-width ratio employing arrangement of studs and multiple-spacing-stirrups crossing the steel web

Zhang Yiping1,2,  Zhang Chuan3, Zhou Yang4, Zhang Chunlei1,2,  Zhong Huajun5

(1 Sichuan Provincial Architectural Design and Research Institute, Chengdu 610000, China; 2 Sichuan Engineering and Technology Research Center of Architecture Industrialization, Chengdu 610000, China; 3 School of Civil Engineering, Chongqing University, Chongqing 400045, China; 4 CMCU Engineering Co., Ltd., Chongqing 400039, China;5 No.10 Design Institute, China Southwest Architectural Design and Research Institute Co., Ltd., Chongqing 400020, China)

Abstract:Stirrup design method of “studs and multiple-spacing-stirrups crossing the steel web”was proposed to reduce the construction processes of steel-reinforced concrete short columns with large height-width ratio employing arrangement of stirrups crossing the steel web as well as opening, to shorten the construction period and reduce the construction cost. The method was adopted to conduct experimental study on seismic performance to design the steel-reinforced concrete short columns with large height-width ratio. Research shows that the steel-reinforced concrete short columns with “studs and multiple-spacing-stirrups crossing the steel web” have good bearing capacity, plastic deformation capacity and energy dissipation capacity, and meet the seismic performance requirements. Finally, the effectiveness and feasibility of the proposed method were verified by the practical engineering application.

Keywords:steel-reinforced concrete short column; multiple stirrup spacing; stirrup; stud; seismic performance; large height-width ratio

 

作者简介:章一萍,硕士,教授级高级工程师,Email:cdscsj@qq.com。

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