According to bending stiffness formula of the flat plate, the idea of equivalent inertia moment is proposed, which constitutes a new second main stiffness formula for corrugated plate.
依据平板抗弯刚度公式，提出等效惯性矩的思想，构造了波纹厚板新的第二主向刚度公式。
Considering vertical and horizontal bending moment and tortile moment action together, equivalent bending moment is proposed in this paper to evaluate anti-bend capability of wall.
基于墙体受到纵向弯矩、横向弯矩和扭矩的综合作用，提出采用等效弯矩法评价墙体的综合抗弯性能；
This paper analyzes the relation between equivalent shearing force of elastic righting moment and bending tension for steel wire ropes, and the experimental method and results are also introduced.
分析了钢丝绳弯曲恢复力矩的等效剪力与抗弯拉力的关系，并介绍了实验方法和结果。
Therefore, the bending moment may cause normal stress at the axis of gravity, and the concept of "equivalent axial force" is induced.
因此弯矩在形心处要引起正应力，从而引出所谓“等效轴力”的概念。
The loading of a tubular busbar is equivalent to that of a large-span beam, and the stress on the cross -section is mainly the tensile stress of the dead weight bending moment with much deflection.
管型母线受力状况相当于大跨度的梁，截面上的应力主要是自重弯矩的拉应力，挠度比较大。
The loading of a tubular busbar is equivalent to that of a large-span beam, and the stress on the cross -section is mainly the tensile stress of the dead weight bending moment with much deflection.
管型母线受力状况相当于大跨度的梁，截面上的应力主要是自重弯矩的拉应力，挠度比较大。
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