Abstract
A new steel special-shaped lattice column (SSLC) was proposed, which can be used in prefabricated steel structure residence. The finite element models of four SSLC with different cross-section (L-shaped, T1-shaped, T2-shaped and X-shaped) were established under cyclic loading by using ABAQUS, in which the strength, lateral resist capacity and hysteretic behavior were analyzed. The results indicate that SSLC has adequate strength, stiffness and safety redundancy. Among the four SSLC, the SSLC with X-shaped has the best structural performance and seismic behavior.
Highlights
Special-shaped columns mainly exist in the residential buildings with reinforced concrete frame structure [1]
The results show that the flange has a greater horizontal bearing capacity and has a greater impact on the shear bearing capacity of special-shaped columns
A new prefabricated steel special-shaped lattice column was proposed as a solution, in which the strength, lateral resist capacity and hysteretic behaviour were analysed
Summary
Special-shaped columns mainly exist in the residential buildings with reinforced concrete frame structure [1]. Scholars at home and abroad have done extensive research on special-shaped columns. The calculation formulas for the bearing capacity of L-shaped and T-shaped specialshaped columns were proposed. Huang chengkui [5, 6] researched the shear performance of the special-shaped columns. The results show that the flange has a greater horizontal bearing capacity and has a greater impact on the shear bearing capacity of special-shaped columns. The special-shaped column has some shortcomingssuch as low bearing capacity and poor seismic resistance, which makes its use range limited. A new prefabricated steel special-shaped lattice column was proposed as a solution, in which the strength, lateral resist capacity and hysteretic behaviour were analysed
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