Fatigue limIt'states occur in steel components and reinforcement bars in connections.

疲劳极限状态出现在钢构件和钢筋连接.

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Contrary, fatigue limit exists.

反之, 则疲劳极限存在.

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The fatigue limit of 45 steel has increased by a fac - tor of 55 and 74 %.

45钢的疲劳极限分别提高55%和74%.

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Compressive residual stress are the main factor in the increase of torsion fatigue limit.

喷丸后扭转疲劳极限提高的主要原因是残余压应力的作用.

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A figure is made to show the relationship between preload and fatigue limit of bolts.

为了研究预紧力对螺栓疲劳极限的影响,实验求得了螺栓的疲劳图.

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Fatigue limIt'states are related to the accumulation of damage and eventual failure under repeated loads.

疲劳极限状态,是与该积累的损害和最终失败的反复载荷.

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