Seismic Performance of an Exterior Joint between a Square Steel Tube Column and an H-Shape Steel Beam

Yongle Lin, Xinwu Wang (), Jian Gong, Shuren Wang, Haisu Sun and Huanhuan Liu
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Yongle Lin: College of Civil Engineering, Henan Polytechnic University, Jiaozuo 454003, China
Xinwu Wang: Henan International Joint Laboratory of New Civil Engineering Structure, Luoyang 471023, China
Jian Gong: College of Civil Engineering, Henan Polytechnic University, Jiaozuo 454003, China
Shuren Wang: College of Civil Engineering, Henan Polytechnic University, Jiaozuo 454003, China
Haisu Sun: Henan International Joint Laboratory of New Civil Engineering Structure, Luoyang 471023, China
Huanhuan Liu: Henan International Joint Laboratory of New Civil Engineering Structure, Luoyang 471023, China

Sustainability, 2023, vol. 15, issue 4, 1-15

Abstract: This study developed a 1:2 scale model using T-shape steel with one-side bolts to connect a square steel tube column to an H-shape steel beam for a quasi-static test to investigate the mechanical properties and seismic behavior of semi-rigid joints. Within the study context, the joint’s failure characteristics, hysteresis characteristics, and strain tendency under cyclic load were determined. In addition, this research analyzed the force characteristics and seismic performance of such joints based on the test outcomes. In order to further study the seismic performance of such joints, ABAQUS finite element software was used to establish a numerical model and perform parametric analysis. The findings indicated that the force on both sides of the joint is inconsistent, resulting in different seismic performances on both sides of the joint. Selecting a T-shape steel connector significantly affects the seismic capacity of beam–column joints. The seismic capacity of joints can be improved by increasing the size of the T-shape steel. The stability of one-side bolts under repeated load is good, and their strain value rises steadily. Hence, this type of one-side bolt is suitable for connecting closed steel tube columns and other components. In general, the seismic performance of square steel tube column–H-shape steel beam joints with one-side bolts and a T-shape steel connection is good and is recommended for practical engineering.

Keywords: one-side bolts; quasi-static test; hysteresis characteristics; seismic performance (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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