2018 Volume 24 Issue 58 Pages 1041-1046
In-line continuous high-panelized shear walls containing steel sheets with vertically aligned burring holes with at least one vertical slit every 0.91-m-wide are employed in buildings in seismically active regions. The purpose of this study is to clarify the shear resistance mechanisms of the walls with and without vertical slits. The wall that receives the shear force allows shear stress to concentrate in the intervals between the holes. All intervals between the holes were simultaneously deformed and the buckling areas were restricted by the use of ring-shaped burring ribs. The post-buckling behavior was dependent on the shapes of the tension field. The effect of vertical slits involved maintaining wall strength stable in the inelastic region. The formulas of the allowable design strength and the indexes of ultimate state strength after shear buckling were developed.
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