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A platform for research: civil engineering, architecture and urbanism
Seismic behavior of steel frame infilled with wall-panels connected by sliding joint
Abstract This paper presents the experimental study on the seismic performance of steel frame structures equipped with novel sliding connection joints and wall panels reinforced by the fiber-reinforced polymer (FRP) sheet. Based on the proposed sliding connection joints and reinforced wall panels, five specimens were tested under cyclic loading. The bearing capacity, ductility performance, and energy dissipation capacity of the specimens were analyzed. Experimental results proved that the failure modes of all specimens were the crack of the panels and the column end buckling. And the infill wall panels had a significant supporting effect on the frame. The sliding joint and FRP sheet can enhance the collaborative ability, strength, and cumulative energy dissipation of the infill steel frame. Finally, a simplified calculation method is developed to evaluate the load-bearing capacity of the infill steel frame, considering the effect of the panels. The results proved the method owned acceptable accuracy, which could direct the practical design of the high-rise structure buildings.
Highlights A novel sliding joint connecting the steel frame and wall panel was proposed. Infilled steel frames equipped with sliding joints exhibited excellent seismic behavior under cyclic loading test. Reinforced ALC panels by FRPs improved the seismic performance of the infilled frames. The theoretical method was proposed to evaluate the horizontal load bearing capacity of the infilled steel frame.
Seismic behavior of steel frame infilled with wall-panels connected by sliding joint
Abstract This paper presents the experimental study on the seismic performance of steel frame structures equipped with novel sliding connection joints and wall panels reinforced by the fiber-reinforced polymer (FRP) sheet. Based on the proposed sliding connection joints and reinforced wall panels, five specimens were tested under cyclic loading. The bearing capacity, ductility performance, and energy dissipation capacity of the specimens were analyzed. Experimental results proved that the failure modes of all specimens were the crack of the panels and the column end buckling. And the infill wall panels had a significant supporting effect on the frame. The sliding joint and FRP sheet can enhance the collaborative ability, strength, and cumulative energy dissipation of the infill steel frame. Finally, a simplified calculation method is developed to evaluate the load-bearing capacity of the infill steel frame, considering the effect of the panels. The results proved the method owned acceptable accuracy, which could direct the practical design of the high-rise structure buildings.
Highlights A novel sliding joint connecting the steel frame and wall panel was proposed. Infilled steel frames equipped with sliding joints exhibited excellent seismic behavior under cyclic loading test. Reinforced ALC panels by FRPs improved the seismic performance of the infilled frames. The theoretical method was proposed to evaluate the horizontal load bearing capacity of the infilled steel frame.
Seismic behavior of steel frame infilled with wall-panels connected by sliding joint
Li, Yue (author) / Ning, Zhe (author) / Shan, Hong-lan (author) / Gao, Chong-ming (author) / Huang, Shuai (author)
2023-09-26
Article (Journal)
Electronic Resource
English
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