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首页> 外文期刊>Bulletin des Laboratoires des Ponts et Chaussees >Estimation de la duree de vie en fatigue d'un assemblage soude du pont de Saint-Vallier (Drome)
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Estimation de la duree de vie en fatigue d'un assemblage soude du pont de Saint-Vallier (Drome)

机译:Saint-Vallier桥(Drome)焊接组件的估计疲劳寿命

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摘要

The beams of the Saint-Vallier composite Bridge (Drome-southeastern France) were instrumented in order to study the behavior of a welded joint submitted to a road traffic overload. The performed measurements are completed by a road traffic analysis that enables to compute the fatigue-based damage of this joint. By determining the stress variation histograms in the joint and then computing the elementary damage for the detail category 45 (presence of additional reinforcement plates), this study has led to estimate, based on the actual traffic history, the fatigue lifetime of this instrumented joint to approximately 80 years.
机译:为了研究承受道路交通过载的焊接接头的行为,对圣瓦列尔复合桥(法国Drome-southeastern法国)的梁进行了检测。所执行的测量通过道路交通分析完成,该分析能够计算此关节基于疲劳的损坏。通过确定关节中的应力变化直方图,然后计算详细类别45(存在附加加强板)的基本损伤,该研究导致根据实际的交通历史估算了该器械关节的疲劳寿命。大约80年。

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