Abstract
The steel plate shear wall (SPSW) with two-side connections can be arranged flexibly in the structure, and has no additional influence on the column, but its buckling capacity is difficult to be deduced directly by thin plate theory. The low yield point SPSW (LYP-SPSW) with two-side connections is proposed in this paper, including unstiffened LYP-SPSW, cross-stiffened LYP-SPSW and diagonally-stiffened LYP-SPSW. The elastic buckling performance and buckling capacity of these three types of LYP-SPSWs are studied by numerical simulation. On the basis of the accurate model, a series of parametric analysis on the key factors were conducted, including the height-to-thickness ratio, the stiffness ratio of the stiffener, and the stiffness ratio of the edge member, which have effects on the elastic buckling stress of the LYP-SPSW with two-side connections. The elastic buckling stress of the SPSW can be effectively increased by adding stiffeners and edge members, but it is unnecessary to use oversized stiffeners and edge members. Based on a large amount of parametric analysis, simplified formulas for calculating the elastic buckling stresses of the three types of LYP-SPSWs mentioned above are proposed in this paper.
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