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Challenges and solutions for expansion joints on super long span bridges

机译：超大跨度桥梁伸缩缝的挑战与解决方案

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摘要

Exceptionally long bridges, designed and built by a construction industry that continues to push thernboundaries of span and performance for such structures while at the same time always striving forrngreater cost-effectiveness, require carefully selected and detailed deck expansion joints. While itrnmay be quickly concluded that joints of the modular type should be used, it is important to also bernaware of the differences between the modular systems of different suppliers, and to entrust therndesign and manufacture of these key components only to a supplier that can demonstrate substantialrnexperience in the specialised task of designing and manufacturing such components to satisfy thernexceptionally demanding requirements of extraordinary bridges.
机译：由建筑业设计和建造的异常长的桥梁需要不断选择此类结构，以不断扩大跨度和性能的界限，同时始终努力提高叉车的成本效益，因此需要精心选择和详细的甲板伸缩缝。尽管可以很快得出结论，应该使用模块化类型的接头，但重要的是要确保不同供应商的模块化系统之间的差异，并将这些关键组件的设计和制造仅委托给能够证明其丰富经验的供应商。专门设计和制造此类部件以满足非凡桥梁的特殊要求。

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