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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 >Safety and Performance of an Active Load Control System for Bridges
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Safety and Performance of an Active Load Control System for Bridges

机译：桥梁主动载荷控制系统的安全性和性能

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摘要

It has been estimated that about 20% of the 155,000 bridges in the UK have strength deficiencies in some form. These are partly due to various types of deterioration and partly because loading standards have increased over the years. If a bridge fails its assessment there are several alternative actions available to the bridge owner. These include: complete replacement; strengthening and repair; reduction of the number of loaded lanes; posting a load limit; or "do-nothing" on the basis of advanced assessment using bridge-specific loading, sophisticated analysis or probabilistic risk assessment. An additional alternative is to employ active control of the bridge loading by using live information from weigh-in-motion (WIM) equipment linked to signals on entry to the bridge. The objective of this paper is to assess the performance and safety implications of an active load control system.
机译：据估计，在英国的155,000座桥梁中，约有20％具有某种形式的强度不足。这些部分归因于各种类型的劣化，部分归因于多年来装载标准的提高。如果网桥未通过评估，则网桥所有者可以采取多种替代措施。其中包括：完全替换；加强和维修；减少行车道数量；发布负载限制；或“不采取任何措施”，即使用特定于桥梁的荷载，复杂的分析或概率风险评估进行高级评估。另一种替代方法是通过使用来自运动称重（WIM）设备的实时信息来主动控制桥梁负载，该信息与进入桥梁的信号链接在一起。本文的目的是评估主动负载控制系统的性能和安全隐患。

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