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An Early Warning Approach for Monitored Bridges Based on the HLM Indices

An Early Warning Approach for Monitored Bridges Based on the HLM Indices
Auteur(s): , , , ,
Présenté pendant IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013, publié dans , pp. 158-159
DOI: 10.2749/222137813806474561
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An early warning method based on the HLM indices for monitored bridges is proposed in this paper. Only three basic values, the highest value, the lowest value and the mean value in each periodicity...
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Auteur(s):




Médium: papier de conférence
Langue(s): anglais
Conférence: IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013
Publié dans:
Page(s): 158-159 Nombre total de pages (du PDF): 7
Page(s): 158-159
Nombre total de pages (du PDF): 7
Année: 2013
DOI: 10.2749/222137813806474561
Abstrait:

An early warning method based on the HLM indices for monitored bridges is proposed in this paper. Only three basic values, the highest value, the lowest value and the mean value in each periodicity (daily periodicity, weekly periodicity, lunar periodicity, etc.), are reserved in this method. These values are categorized and added to corresponding sub-tables of the periodical database. Based on these three key values, a series of mathematical models of early warning indices is established to make a statistical analysis of bridge behavior. The indices include the load-carrying capacity index, loading intensity index, volatility index and directional movement index. This method has already been successfully applied to Yufeng bridge health monitoring system in China’s Jiangsu Province and achieved fine results.

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