The permissiblestress range formula and transfer factor of fatigue stress range were deduced.
推导了疲劳许用应力范围计算公式和不同概率水平下疲劳应力的转换关系。
2
It is suggested that the load form should be designed by using permissiblestress method and the calculation of deformation is carried out in this paper.
我们采用许用应力法设计,后计算变形,再用垫尖起拱抵消浇筑变形,并配套有效地控制裂缝的浇筑方法。
3
Main conclusions: the wave-proof plate is safe when the permissiblestress of the selected material is greater than the maximum calculated stress's 3.5 times of it.