Fatigue failure results from accumulation of cracks of deformation pro - cess of material.
疲劳破坏是材料在变形过程中产生的裂纹积累。
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
The estimated life of a steel bridge subjected to random load in highly dependent upon damage accumulation caused by fatigue load.
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 damage evolutionary path and the damage equation which depicts the fatigue damage accumulation are introduced also in this paper.
文中给出了损伤演变路径和描述该损伤演化行为的疲劳累积损伤方程。
It is considered that special structure of the dislocation and damage accumulation induced by rolled were main factors to make the fatigue strength of the welded joint reduced after rolled prestrain.
分析认为，辊压后材料中位错的特殊结构和材料内部所形成的损伤累积是疲劳性能下降的主要原因。
Take breaks during the workday to avoid the accumulation of fatigue.
在工作的时候尽量多休息，以免疲劳累积。
The whole life of an equipment part consists of the crack forming life (i. e. , the fatigue life or the damage accumulation life) and the crack extension life.
机械零（构）件的寿命由裂纹形成时间（即疲劳寿命）和裂纹扩展寿命两部分组成。
If a runner increases his or her LT through tempo runs, she will be able to reduce the accumulation of lactic acid and run at higher speeds without suffering muscle fatigue.
如果通过提高跑步者的乳酸门槛，他或她将能够减少乳酸堆积，在高速度奔跑时，也不会肌肉疲劳。
An accumulation of lactic acid causes increased levels of acidity in the muscle issue, which causes the fatigue and soreness that runners experience in RACES.
乳酸堆积可以提高肌肉组织的酸度，导致跑步者在比赛中经历的那种疲劳和酸痛。
Based on Continuum damage Mechanics, a general two stage model for accumulation of fatigue damage in composite materials is presented.
基于连续介质损伤力学的概念，建立了疲劳损伤演化两阶段模型。
The fatigue damage of the metal material often happens under the action of the dynamic load. The accumulation of fatigue damage of the metal material leads to the result of surface fatigue cracks.
金属构件常常因受到动载荷作用引起疲劳损伤，而疲劳损伤累积的结果往往导致裂纹的产生。
The fatigue damage of the metal material often happens under the action of the dynamic load. The accumulation of fatigue damage of the metal material leads to the result of surface fatigue cracks.
金属构件常常因受到动载荷作用引起疲劳损伤，而疲劳损伤累积的结果往往导致裂纹的产生。
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