damage and crack 损伤与裂纹
A method of evaluating the crack and damage is introduced. The presented work is beneficial to the maintenance and management of concrete structures.
文章对一些常见的混凝土构件裂缝作了分类研究和损伤定位分析，介绍一种评价方法，旨在为混凝土结构的养护、管理提供参考。
The paper relates the crack situation of the last stage turbine blades of Shiheng power plant No. 1 unit and the dealing of this problem, analyses the reason of crack and damage of the blades.
叙述了石横电厂1号机末级叶片的断裂情况以及对该问题的处理情况，分析了叶片的断裂、损伤原因。
Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.
疲劳寿命的计算采用断裂力学方法，建立疲劳裂纹扩展模型和失效模式的极限状态方程。
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