Corrugated steel refers to steel that is wavy along the length direction and is widely used in beams, columns, walls, and other parts of building structures. It plays a connecting and supporting role. The wavy or folded shape of the web plate to some extent improves the shear instability ability and out-of-plane stiffness of the web plate. Industrial factories often use corrugated web H-shaped steel components. However, although corrugated web H-shaped steel components have the advantages of high strength, high stiffness, lightweight, and convenient construction, relevant regulations indicate that these components can only be used for lower intensities or higher intensities when certain conditions are met, One important condition is that the ratio of the design value of axial force including seismic action to the product of the cross-sectional area of the component flange and the design value of steel tensile strength should not exceed 0.4. In this regard, this article will further explore the seismic characteristics and applicable intensity of H-shaped steel structures with corrugated web plates under earthquake action through large-scale finite element ABAQUS simulation. The dynamic characteristics and failure situation of corrugated rigid frame structures will be observed through the elastic-plastic time history analysis method, and the plastic deformation characteristics of steel beam members will be observed by applying low-cycle repeated loads through the hysteresis analysis method. The research shows that under reasonable design conditions, Corrugated web H-shaped steel structural components can be appropriately increased in axial compression ratio for use in high-intensity areas.

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Published on 21/10/23

Licence: CC BY-NC-SA license

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