With the reasonable included Angle, the inclination of ribs can improve the lateral stability of arch efficiently.
在合理内倾角度下，拱肋内倾可以有效地提高拱的横向稳定性。
Bigger inclination Angle of shear band leads to bigger dissipated energy of lateral plastic deformation and smaller dissipated energy of lateral plastic deformation.
增加剪切带倾角，侧向塑性变形消耗的能量占剪切带消耗的能量的比例增加。
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