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UBC Theses and Dissertations

Minimum steel requirements for masonry walls : out-of-plane forces Gajer, Ruben Bernardo


The behaviour of reinforced masonry walls subjected to out-of-plane forces, and the limitations on amounts and spacing of reinforcement required by the present code were examined. A research project was carried out in order to determine experimentally the capacity of the walls, the appropriate spacing of the main reinforcing steel, and the effectiveness and appropriate spacing of transverse reinforcement. Full size non-loadbearing walls were tested under monotonic quasi-static loading. Test results showed that for typical 8 feet (2.44 m) storey height walls, the main steel may be spaced at more than 4 feet (1.22 m) and full primary bending moment may still be achieved. Joint reinforcement appeared to be effective as distribution steel or as main steel for horizontal spans.

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