Study on Mechanical Properties of Concrete Filled Square Steel Tubular Column Joints
Wei Shi1, Xiao Sanxia2, Jiang Guoping2, *
1 Ningbo Polytechnic Ningbo, Zhejiang 315800 China
2 Coordinative Innovation Center for Environmentally Friendly and Energy Saving HPC, Fujian Jiangxia University, Fuzhou, Fujian, China
Abstract
A new type of connection node filled with steel tubular column is proposed for the frame structure of concrete. In this paper, the mechanical properties and failure mechanism are studied. As shown by the finite element analysis results, the hysteresis curve attains the full standard, indicating that the joints possess good deformation performance, as well as good bearing capacity, ductility and energy dissipation capacity. Based on the results of the finite element analysis, the experimental study of this type of node is carried out. Meanwhile, a series of experiments are conducted to enhance the length of the steel plate, the effectiveness of the steel plate and the thickness of the protective layer of the steel plate.
Keywords: Hysteretic loop, Joint connection, Piercing steel plate, Reinforced beam, Square steel tube concrete column, Seismic performance.
Article Information
Article History:
Received Date: 19/01/2016
Revision Received Date: 19/07/2016
Acceptance Date: 08/08/2016
Electronic publication date: 31/10/2016
Collection year: 2016
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* Address correspondence to this author at the Coordinative Innovation Center for Environmentally Friendly and Energy Saving HPC, Fujian Jiangxia University, Fuzhou, Fujian, China; Tel: 0086-18060845975, Fax: 0086-059123535301, E-mails: lp2002999@126.com, jgp2002999@163.com