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通过4片钢筋混凝土剪力墙模型试验,研究了高层剪力墙的强度及变形性能。给出了在不同抗震设计水准下剪力墙的允许变形指标。建议以文中定义的弯剪比m’作为划分剪力墙破坏形态的标准。为保证出现弯曲破坏形态且能吸收较大的地震能量,提出了在设计中弯剪比应控制的范围。
Through four-piece reinforced concrete shear wall model tests, the strength and deformation properties of the high-rise shear wall were studied. The allowable deformation indexes of shear walls at different seismic design levels are given. It is suggested that the shear ratio m’ defined in the text be used as the criterion for dividing the failure mode of the shear wall. In order to ensure the appearance of bending damage and absorb large seismic energy, the control range of bending ratio is proposed in the design.