Stressindexmethod and fatigue strength weakened coefficient method are important methods for designing fatigue vessel.
应力指数法和疲劳强度减弱系数法是进行疲劳容器设计的重要方法。
2
Stress analysis method, material strength theory, safety index and design criteria are main contents in strength design and computation of structures.
应力分析方法、材料强度理论、安全指标与设计准则是结构强度设计与计算理论的主要内容。
3
A new method was proposed to determine the dynamic shear stress and dynamic strength index of soil under the complex stress, based on the Yu Maohong's unified strength theory.