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浙江大学学报(工学版)
浙江大学学报(工学版)
土木工程     
钢板剪力墙单侧加劲肋的有效抗弯刚度
童根树,杨章,张磊
浙江大学 土木工程学系,浙江 杭州 310058
Effective rigidity of one side stiffeners in Steel Shear Walls
TONG Gen shu, YANG Zhang, ZHANG Lei
Department of Civil Engineering, Zhejiang University, Hangzhou, 310058, China
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摘要：

针对单侧加劲钢板剪力墙中加劲肋的有效抗弯刚度问题,采用隔离体分析法,沿墙板和加劲肋连接线把两者分割成独立个体.墙板相当于承受面内和面外荷载的薄板,加劲肋相当于简支梁.墙板和加劲肋在连接处满足变形连续条件.对加劲板进行屈曲分析和受力弯曲分析,获得单侧加劲肋有效抗弯刚度和有效宽度的解析表达式.当加劲肋高跨比较大时剪切变形不可忽略,剪切变形大小和有效宽度相关.与有限元模拟结果进行分析比对表明,获得的有效抗弯刚度解析表达式具有良好精度,适用于开口和闭口截面单侧加劲肋. 
Abstract:

The effective bending stiffness of one sided stiffener in reinforced steel shear wall was analyzed. The stiffener and the plate were isolated and acted by their interactive forces along the connecting line. The plate was analyzed as loaded by in plane and out plane loads. The stiffener was analyzed as simply supported beam. The plate and the sitffener were combined to satisfy the continuity conditions in the longitudinal strains and the deflections on the connecting line, The effect of shear deformation in the stiffener was included. The buckling analysis and bending analysis of one side stiffened plates were taken.  Analytic expression of the effective bending stiffness and the effective breadth  was found. The effective breadth was indispensable while calculating the effect of shear deformation. The influence of shear deformation can't be ignored when the depth span ratio of the stiffener was large. Comparing with the results of ANSYS analysis, it is found that the analytic solution has excellent accuracy regardless of the shapes of the stiffener.
出版日期: 2015-11-01
:  TU 391  
基金资助:

浙江省重点科技创新团队资助项目（2010R50034）
作者简介: 童根树，男，教授，博导,主要从事钢结构稳定性研究.ORCID:0000 0001 5572 2068.E-mail：tonggs@ccea.zju.edu.cn
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童根树,杨章,张磊. 钢板剪力墙单侧加劲肋的有效抗弯刚度[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008 973X.2015.11.016.

TONG Gen shu, YANG Zhang, ZHANG Lei. Effective rigidity of one side stiffeners in Steel Shear Walls. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008 973X.2015.11.016.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008 973X.2015.11.016    或    http://www.zjujournals.com/eng/CN/Y2015/V49/I11/2151

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