地震扰动用随机过程表示，结构的破坏用最大位移和累积能量耗损两个参数来评定。
Earthquake excitation is represented by random process and structural damage is assessed in terms of maximum displacement and accumulated energy dissipation.
对于承受随机载荷的钢桥，其寿命依赖于这种疲劳载荷造成的累积损伤。
The estimated life of a steel bridge subjected to random load in highly dependent upon damage accumulation caused by fatigue load.
采用随机波浪谱和线性疲劳累积损伤理论对导管架式海洋平台在波浪荷载作用下的疲劳可靠性进行研究。
The linear fatigue of the jacket structure was evaluated by using wave spectrum analysis theory and theory of linear cumulative damage.
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