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本课题通过18根无腹筋钢筋混凝土约束梁的抗剪试验,研究了无腹筋钢筋混凝土约束梁的抗剪强度随剪跨比m和弯矩比n变化的规律,即剪跨中反向弯矩对抗剪性能的影响。提出了适用于无腹筋钢筋混凝土约束梁的抗剪强度公式。
In this paper, through the shear test of 18 reinforced concrete beams without reinforcement, the law of shear strength with shear ratio m and bending moment ratio n is studied. Impact on shear performance. The shear strength formula applied to restrained reinforced concrete beams without web reinforcement is proposed.