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Bridges crossing fault rupture zones: A review

机译:跨断层断裂带的桥梁:回顾

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Several earthquakes over the past two decades have demonstrated that bridges crossing fault rupture zones may suffer significant damage due to the combined effects of ground shaking and surface rupture. Although it is widely recommended to avoid building a bridge across a fault, it is not always possible to achieve this objective, especially in regions with a dense network of active faults. This review begins by compiling two databases: one of fault-crossing bridges damaged in past earthquakes and another of bridges crossing potentially active fault rupture zones. The article then continues to review findings of experimental, analytical and numerical studies, and to summarize seismic design provisions and recommendations related to fault-crossing bridges. The review ends with suggestions for future research directions in this area.
机译:在过去的二十年中发生的几次地震表明,由于地面震动和表面破裂的共同作用,穿越断层破裂带的桥梁可能遭受重大破坏。尽管广泛建议避免在故障之间建立桥梁,但并非总是可以实现此目标,尤其是在活动故障网络密集的地区。这次回顾首先从编译两个数据库开始:一个是在过去地震中损坏的断层桥,另一个是穿过潜在活动断层带的桥。然后,本文将继续回顾实验,分析和数值研究的结果,并总结与过桥有关的抗震设计规定和建议。审查最后提出了对该领域未来研究方向的建议。

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