Standardised bridge weigh-in-motion data and its applications in bridge engineering

Jami Qvisen, Weiwei Lin, Heikki Lilja, T. Tirkkonen, Mikko Peltomaa, Antti Jussila
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Abstract

Applying actual traffic data in bridge analyses will provide more accurate results compared to the results obtained according to the Eurocode traffic load models. Bridge Weigh-in-Motion (B-WIM) measurements are an excellent tool to produce such data. Using B-WIM data as a part of the bridge design or assessment processes has a large potential, but the lack of widely adopted standardised data format hinders broader utilisation of it. This study proposes a new standardised format to present the measured B-WIM data so that in the future, developed software can directly utilise any available B-WIM data. This would make calculations with multiple different traffic compositions and types straightforward and enable the basis for further utilisation of B-WIM data in bridge design/assessment. To demonstrate the benefits, a fatigue case study of an orthotropic bridge deck was conducted, and the results were compared to ones obtained according to Eurocode FLM 4.
标准化桥梁运动称重数据及其在桥梁工程中的应用
在桥梁分析中应用实际交通数据将提供比根据欧洲规范交通荷载模型获得的结果更准确的结果。桥梁动态称重(B-WIM)测量是产生此类数据的绝佳工具。使用B-WIM数据作为桥梁设计或评估过程的一部分具有很大的潜力,但缺乏广泛采用的标准化数据格式阻碍了它的广泛利用。本研究提出了一种新的标准化格式来呈现测量的B-WIM数据,以便将来开发的软件可以直接利用任何可用的B-WIM数据。这将使多种不同的交通组成和类型的计算变得简单,并为在桥梁设计/评估中进一步利用B-WIM数据奠定基础。为了证明该方法的好处,对正交各向异性桥面进行了疲劳研究,并将结果与欧洲规范FLM 4的结果进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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