Firstly, the paper analysed the formation mechanism of the fatigue crack in asphalt pavement with semi-rigid base.
首先，论文分析了半刚性基层沥青路面疲劳裂缝的形成机理。
参考来源 - 沥青路面结构与材料设计一体化研究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·2,447,543篇论文数据，部分数据来源于NoteExpress
首先，论文分析了半刚性基层沥青路面疲劳裂缝的形成机理。
Firstly, the paper analysed the formation mechanism of the fatigue crack in asphalt pavement with semi-rigid base.
变截面焊接钢吊车梁疲劳裂缝主要是由于变截面处有很大的应力集中所产生的。
The main form and cause of fatigue failure of steel crane beam are analyzed first, and focused the welded steel crane beam.
影响高强度钢在水介质中的应力腐蚀和腐蚀疲劳裂缝萌生和扩展特性的因素甚多。
There are some factors which influence the characteristics of initiation and propagation of stress corrosion cracking and corrosion fatigue cracking in high-strength steel in a watery environment.
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