...体钻井 钻具失效 疲劳损坏 [gap=1502]Keywords: gas drilling drilling, drilling shock, absorber failure, fatigue damage ...
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轻轨轨道锚固螺栓失效分析与对策（本科毕业论文设计）_论文 关键词: 螺栓，材料，热处理，有限元，疲劳破坏 [gap=1419]Key words: Bolt, materials, heat treatment, finite element, fatigue damage
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cumulative fatigue damage 积累疲劳损伤 ; 疲劳积累损伤 ; 疲劳累积损伤 ; 累积疲劳损伤
imminent fatigue damage 急迫疲劳损伤
accumulation of fatigue damage 累积疲劳损伤
steel bridge fatigue damage 钢梁疲劳损伤
fatigue damage mechanics 疲劳损伤力学
Accumulated Fatigue Damage 累积疲劳损伤
metal fatigue damage 金属疲劳损伤
Dynamic Fatigue Damage 动态疲劳损伤
This approximate way is the fundation of viscoelastic fatigue damage model and viscoelastic fatigue damage life analysis in this study.
这种简化处理为本文后续的沥青混合料粘弹性模型的建立和沥青路面粘弹性疲劳损伤分析奠定了基础。
参考来源 - 沥青混合料粘弹性疲劳损伤模型研究Fatigue damage once invalidated railway bridge, fatigue crack ever resulted in collapse of artesian well desk in ocean.
疲劳损伤曾使铁路桥梁失效，疲劳裂缝的存在使海洋钻井台倒塌倾覆，酿成悲剧。
参考来源 - 碳纤维布加固钢筋混凝土梁的抗剪疲劳试验研究Fatigue damage is one of the most important failure modes for welded steel structures.
疲劳破坏是焊接钢结构最主要的失效方式。
参考来源 - CFRP加固焊接钢结构疲劳试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
So, it is the new method of researching welded structure fatigue damage process.
因此，它是一种研究焊接结构疲劳损伤过程的新途径。
Therefore, it is necessary to analyze the mechanism of the fatigue damage of bridge expansion device and estimate its fatigue life by theories and experiment.
因此有必要通过实验及理论研究等工作，对公路桥梁伸缩装置进行疲劳破坏机理分析和疲劳寿命估算。
Dampers are widely used in aerial conductors to reduce the severity of aeolian vibration and the accompanying fatigue damage to conductor strands and fittings.
防振锤被广泛用于架空输电线以耗散微风振动的能量，减轻微风振动的强度，保护架空输电线免受疲劳损害。
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