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钢板混凝土剪力墙抗剪栓钉设计方法研究
田淑明1,2
摘 要

(1 泰禾集团设计研发部, 北京 100022; 2 中冶京诚工程技术有限公司, 北京 100053)

[摘要]钢板混凝土剪力墙广泛用于超高层混合结构,钢板与混凝土之间的组合作用,使其有着高的承载力、良好的刚度和延性,钢板与混凝土之间抗剪连接件设计是实现这种组合作用的关键保障,目前设计标准中尚未有针对这种平面构件连接件的定量计算方法。在总结相关标准及文献的基础上,根据钢板混凝土剪力墙的受力特点,提出了钢板与混凝土的正截面和斜截面的界面剪力的计算方法,进而得到总界面剪力,据此来计算连接件(栓钉)的需求量,在界面上分区布置;探讨了栓钉布置方式和钢板局部稳定性对栓钉间距的影响,发现梅花形布置能适当增加栓钉间距,给出了不同布置方式并考虑钢板局部稳定时栓钉间距与钢板厚度比的最大值。最后,以一实际混合结构工程为例,探讨了上述方法的适用性,可供设计参考。

[关键词]钢板混凝土剪力墙; 组合剪力墙; 抗剪栓钉; 抗剪连接件

中图分类号:TU398, TU318文献标识码:A文章编号:1002-848X(2016)23-0061-06

 

Research on design method of shear studs in steel plate-concrete shear walls

Tian Shuming1,2

(1 Department of Design, Research & Development, Thaihot Group, Beijing 100022, China; 2 MCC Capital Engineering & Research Incorporation Ltd., Beijing 100053, China)

Abstract:Steel plate-concrete shear wall is widely used in tall structures,which has high capacity, well stiffness and ductility due to the composite action between steel plate and concrete. Shear connectors play very important role for the composite action in design of steel plate-concrete shear wall. At present, there is no calculation method for plane shear members like steel plate-concrete shear wall in relative specifications. The method of assessing interface shear force was proposed including normal and diagonal sections based on investigations into regulations and researches. Then total interface shear force was gained, the amount of studs was determined according to interface shear force, and studs were arranged in different zone according to load distribution. At the same time, relationship between stud spacing and arrangement mode of studs or local stability of steel plate was discussed, triangle arrangement mode can increase stud spacing and ratios between stud spacing and steel plate thickness was suggested. Lastly, the proposed method was applied to an actual engineering and confirmed as reference in the design.

Keywords:steel plate-concrete shear wall; composite shear wall; shear stud; shear connector

 

作者简介:田淑明,博士,教授级高级工程师,一级注册结构工程师,注册土木工程师(岩土),Email: tianshm2011@163.com。

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