Inelastic Performance of Single-Story Masonry Shear Wallsby P. B. Shing, Univ of Colorado, United States,
Abstract: Twenty-two story-height reinforced masonry shear walls have been tested to examine the influence of the applied axial stress, and the amount of vertical and horizontal reinforcement on the lateral resistance, failure mechanism, and inelastic hysteretic behavior of a wall panel. It has been shown that the flexural strength increases with the applied axial stress and the amount of the vertical reinforcement present. Moreover, the performance of a flexure dominated specimen can be substantially improved by toe confinement. The shear strength dominated by diagonal cracking increases with the amount of vertical and horizontal steel, the tensile strength of masonry, and the applied axial stress. Increasing the amount of vertical and horizontal reinforcement can also substantially improve the postcracked hysteretic behavior of a shear dominated specimen.
Subject Headings: Shear walls | Masonry | Axial forces | Shear resistance | Failure analysis | Material failures | Shear strength
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