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Implementation of a Long-Term Bridge Weigh-In-Motion System for a Steel Girder Bridge in the Interstate Highway System

机译:州际公路系统钢梁桥长期桥梁动态称重系统的实现

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This technical paper discusses the implementation of a long-term bridge weigh-in-motion system for use in determining gross vehicle weights of trucks crossing steel girder bridges. The system uses strain data to determine truck weights using an existing structural health monitoring system installed on a interstate highway bridge. The applied system has the advantage of not using any axle detectors in the roadway; and instead all analyses are performed using strain gauges attached directly to the steel girders, providing for a long-term monitoring system with minimal maintenance. Long-term data has been used to demonstrate that this method can be readily applied to gain important information on the quantity and weights of the trucks crossing the highway bridge.
机译:本技术文件讨论了长期桥梁动态称重系统的实现,该系统可用于确定穿越钢制大梁桥的卡车的总车辆重量。该系统使用应变数据通过安装在州际公路桥梁上的现有结构健康监测系统来确定卡车的重量。所应用的系统的优点是在车道中不使用任何车轴检测器。取而代之的是,所有分析都使用直接连接到钢梁上的应变仪进行,从而提供了一种维护最少的长期监控系统。长期数据已被用来证明该方法可以很容易地应用于获得有关穿过公路桥梁的卡车的数量和重量的重要信息。

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