本文推导了在任意载荷激励下直角三角形板单元局部动力效应修正公式。
In this paper, the local dynamic effect modification formulation of rightangled triangle plate element under arbitrary excitation is presented.
在螺纹材料、尺寸、载荷都相同的情况下，三角形螺纹牙所受的剪应力最小，断裂载荷也比梯形螺纹和矩形螺纹高。
In the same material, dimension and load circumstance, the cut stress of the triangle thread is smallest. Its rupture load is higher than the echelon and rectangle.
应用功的互等定理研究了在一集中载荷作用下斜边自由的三角形板的弯曲问题，给出了该问题的精确解。
The reciprocal theorem is used to make research on the bending of a set square with free hypotenuse under a concentrated load acting at any of its points, and its accurate solution is given.
作者以前应用三角级数加多项式的方法解决了悬臂对称三角形板在均布载荷作用下的弯曲问题。
The authors used the method of trigonometric series and polynomial to solve the problem for the bending of a cantilever plate in a symmetric triangular shape under uniform load.
应用功的互等定理研究了在一集中载荷作用下三个角点被支承的三角形板的弯曲问题，给出了该问题的精确解。
The reciprocal theorem is applied to research on the bending problem of set square with free hypoteuse and a clamped edge under uniform loads, the accurate solution of this problem is given.
从载荷-COD曲线图中分析了无烟煤断裂时，载荷出现跳动的原因，根据载荷跳动情况可以确定三角形韧带开始起裂时间。
The reason for load jump when specimen is fractured has been analyzed on the basis of P-COD curves, and the time when the triangular ligament starts fracturing can be known according to load jump.
从载荷-COD曲线图中分析了无烟煤断裂时，载荷出现跳动的原因，根据载荷跳动情况可以确定三角形韧带开始起裂时间。
The reason for load jump when specimen is fractured has been analyzed on the basis of P-COD curves, and the time when the triangular ligament starts fracturing can be known according to load jump.
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