Vol. 19, No. 2, pp. 91-101 (2023)
EXPERIMENTAL STUDY ON CYCLIC BEHAVIOR OF BLIND-BOLT JOINT
CONNECTING STEEL BEAM AND RECTANGULAR TUBE COLUMN
Guo-Qiang Li 1, 2, Yun-Han Jiang 1, Yuan-Zuo Wang 3, 4, * and Chen Chen 1
1 College of Civil Engineering, Tongji University, Shanghai, China
2 National Key Lab for Disaster Reduction in Civil Engineering, Tongji University, Shanghai, China
3 Key Laboratory of Urban Security and Disaster Engineering of Ministry of Education,
Beijing University of Technology, Beijing, China
4 Faculty of Engineering, Hokkaido University, Hokkaido, Sapporo, Japan
* (Corresponding author: E-mail:This email address is being protected from spambots. You need JavaScript enabled to view it.)
Received: 20 September 2022; Revised: 16 January 2023; Accepted: 20 January 2023
DOI:10.18057/IJASC.2023.19.2.1
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ABSTRACT
An experimental investigation on the cyclic behavior of the joints for steel H-shaped beams to steel rectangular tube columns using end-plate and blind bolts is conducted in this paper. The load-bearing capacity, rotation stiffness and hysteretic behavior of the joints are studied. In terms of the types of beams (pure steel beam and composite steel beam with concrete slab) and columns (pure steel rectangular tube column and concrete-filled steel rectangular tube column), a total of four different joints are tested and compared. It is found that filling concrete in rectangular tube columns can avoid the failure mode of column tube wall yielding under bending moment. Furthermore, due to the contribution of the concrete slab, the bending capacity and initial rotational stiffness of the composite steel beam-to-column joint are significantly greater than those of the pure steel beam-to-column joint under sagging or hogging moments. Under most circumstances, the joints demonstrate excellent ductility with the interstory displacement angle greater than 0.04 rad, which satisfies the requirement for resisting severe earthquakes.
KEYWORDS
Blind bolt, Beam-to-column joint, H-shaped beam, Rectangular tube column, Concrete-filled tube column, Cyclic behavior
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