According to the size and height of the falling rock block, the thickness of the circular tube can be determined, which can provide the foundation of designing the escape passage system.
同时，根据岩块大小和下落高度，可以通过计算凹陷变形而确定圆管厚度，为逃生管道的安全设计提供依据。
2
The solutions of a large deflection problem of thin orthotropic circular plates with variable thickness under uniform pressure and under concentrated load are obtained in this paper.
本文给出了正交各向异性变厚度圆薄板在均布载荷与集中载荷作用下大挠度问题的解。
3
Nonlinearly bending problems, of circular thin plates with linearly varying thickness under central concentrated load are discussed.