Inicio  /  Infrastructures  /  Vol: 9 Par: 4 (2024)  /  Artículo
ARTÍCULO
TITULO

Analysis of Arch Bridge Condition Data to Identify Network-Wide Controls and Trends

Kristopher Campbell    
Myra Lydon    
Nicola-Ann Stevens and Su Taylor    

Resumen

This paper outlines an initial analysis of 20 years of data held on an electronic bridge management database for approximately 3500 arch bridges across Northern Ireland (NI) by the Department for Infrastructure. Arch bridges represent the largest group of bridge types, making up nearly 56% of the total bridge stock in NI. This initial analysis aims to identify trends that might help inform maintenance decisions in the future. Consideration of the Bridge Condition Indicator (BCI) average value for the overall arch bridge stock indicates the potential for regional variations in the overall condition and the potential for human bias in inspections. The paper presents the most prevalent structural elements and associated defects recorded in the inspections of arch bridges. This indicated a link to scour and undermining for the worst-conditioned arch bridges. An Analysis of Variance (ANOVA) analysis identified function, number of spans, and deck width as significant factors during the various deterioration stages in a bridge?s lifecycle.

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