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The Key Technique Development of Fatigue Researches on Steel Bridges and Its New Achievements in China

机译:中国钢桥疲劳研究关键技术的发展及其新成果

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This paper first describes the historical development of steel bridge in China, and then mainlyrnintroduces the technique development of fatigue for research on steel bridges in China. There arerntwo main aspects of fatigue research for steel bridges, one is the research on existing steel bridgesrnto evaluate the remaining life of steel bridges, in order to decide whether to reinforce the old bridgernor replace the old bridge with a new one. The other aspect is the researches on newly built steelrnbridges to determine suitable structural details for bridges, such as anchorage structure unit fatiguernexperiments, orthotropic steel deck fatigue experiments, bi-axle structural detail fatiguernexperiments, etc. Furthermore, the future of steel bridge fatigue research in China is proposed.
机译:本文首先介绍了中国钢桥的历史发展,然后主要介绍了疲劳技术的发展,为我国钢桥的研究提供了依据。钢桥疲劳研究有两个主要方面,一是对现有钢桥进行研究,以评估钢桥的剩余寿命,以决定是否加固旧桥或用新桥代替旧桥。另一方面是对新建钢桥的研究,以确定适合桥梁的结构细节,例如锚固结构单元疲劳试验,正交异性钢甲板疲劳试验,双轴结构细节疲劳试验等。此外,未来钢桥疲劳研究的前景建议中国。

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