Flexural behavior of PRCFST column-column connection with transfer sleeves

被引：2
|
作者：
Mou, Ben [1 ,2 ]
Pan, Yun [3 ]
Zhao, Ou [4 ]
Yu, Yujie [1 ]
机构：
[1] Cent South Univ, Sch Civil Engn, Changsha 410075, Peoples R China
[2] Hong Kong Polytech Univ, Dept Civil Engn, Hong Kong, Peoples R China
[3] Qingdao Univ Technol, Sch Civil Engn, Qingdao 266033, Peoples R China
[4] Nanyang Technol Univ, Sch Civil & Environm Engn, Singapore, Singapore
来源：
ENGINEERING STRUCTURES | 2024年 / 301卷
关键词：
Column-column connection; Flexural behavior; Reinforced concrete-filled steel tubular; Transfer sleeve; Parameter analysis; CONCRETE COMPOSITE BEAMS; SEISMIC BEHAVIOR; STEEL; PERFORMANCE; RESISTANCE; STRENGTH; CFSSTCS; DESIGN; TUBES;
D O I：
10.1016/j.engstruct.2023.117381
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper proposes a new configuration of PRCFST (prefabricated reinforced strength concrete-filled steel tubular) column-column connection with transfer sleeves. First of all, five PRCFST column-column connections were conducted by monotonic loading tests. The failure modes, plastic deformation, and flexural capacity of column-column connections were discussed in detail. Secondly, the finite element analysis (FEA) model was validated in main indices and failure modes. Finally, the flexural performance of PRCFST column-column connections was investigated by parameter analysis. The parameters included width-thickness ratio (D/t), column cross-sectional size (D), anchorage length (l0), and the number of steel bars (n), steel bars strength (fy,r), concrete (fc), and shear-span radio (L/D). The size effect is one of the main parameters to affect the flexural capacity of the PRCFST column-column connections. The flexural capacity of the PRCFST column-column connection increased with the l0, n and fy,r, while decreased with D/t. But the fc and shear-span ratio L/D play a little effect on the flexural capacity of the new PRCFST column-column connections.
引用
收藏
页数：19
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