摘要
应用线性累积损伤准则与线弹性断裂力学方法,对近海结构管状焊接接头疲劳失效概率进行了分析与计算。文中还给出了对应于不同可靠度下的最大容许应力幅值。
This paper analyses and calculates the fatigue failure probability of the tubularwelded joints in offshore strutures. In the calculations the criterion of the linear cumula-tive damage and the approach to the linear elastic fracture mechanics are adopted. Themaxium range of allowable stress under different reliability is given.
关键词
焊接
可靠性
linear cumulative damage law
linear elastic fracture mechanics
Monte-Carlo simulations
fatigue failure probability
tubular welded joint
