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Study on the fatigue of steel highway bridges in Japan

机译:日本钢质公路桥梁疲劳研究

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摘要

Fatigue damage caused by repetitive loading of heavy traffic, especially overloaded vehicles, has been reported in welded areas subjected to secondary or distortion-induced stress. We have been studying the design method of bridges in order to eliminate the existing fatigue problems. This article provides a brief introduction to the current state of fatigue of steel highway bridges in Japan and describes better design strategies to prevent further fatigue damage, based on actual field stress measurements of bridges in Japan.
机译:据报道,在承受二次应力或变形引起的应力的焊接区域中,由于交通繁忙,特别是超载车辆的重复加载而造成的疲劳损伤。我们一直在研究桥梁的设计方法,以消除现有的疲劳问题。本文简要介绍了日本钢制公路桥梁的疲劳状况,并根据日本桥梁的实际场应力测量结果,介绍了防止进一步疲劳破坏的更好的设计策略。

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