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首页> 外文会议>International Conference on Current and Future Trends in Bridge Design, Construction and Maintenance 2: Safety, Economy, Sustainability and Aesthetics, Apr 25-26, 2001, Hong Kong >RECONSTRUCTION OF THE LIONS GATE BRIDGE
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RECONSTRUCTION OF THE LIONS GATE BRIDGE

机译：狮门桥的重建

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摘要

The Lions Gate Bridge is believed to be the first major suspension bridge that will be seismically retrofitted under a design / build format. It is also believed to be the first major suspension bridge that has its deck completely replaced while maintaining traffic. In the case of the deck replacement, wind issues combined with the need to maintain traffic is perhaps more complex than the construction of a brand new suspension bridge. Compounding the wind issue is the fact that the existing bridge lacks reserve capacities for construction loading and deformations. Moreover, solutions to these engineering challenges are being provided under significant time constraints. The construction engineers solved the engineering challenges by using sophisticated computer software, old fashion hard work, and engineering judgment. At the time of this paper, replacement of the north side span is complete. The bridge is behaving close to the construction engineering teams' prediction.
机译：狮子门大桥被认为是第一座主要的悬索桥，将按照设计/建造形式进行抗震改造。它也被认为是第一座主要的悬索桥，在维持交通流量的同时，其甲板也被完全更换。在更换甲板的情况下，风力问题和维持交通的需求可能比建造全新的悬索桥更为复杂。使风问题更为复杂的是，现有桥梁缺乏用于建筑荷载和变形的后备能力。而且，在明显的时间限制下，提供了针对这些工程挑战的解决方案。建筑工程师通过使用复杂的计算机软件，过时的努力和工程判断来解决工程难题。在撰写本文时，北侧跨度的更换已完成。这座桥的行为接近建筑工程团队的预测。

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