:: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies
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ISSN 2228-9860
eISSN 1906-9642
CODEN: ITJEA8
FEATURE PEER-REVIEWED ARTICLE
Vol.16(3) (2025) |
Spatial and Engineering Risk Assessment of Single-Span Bridges Located near Active Faults in Western Thailand Utilizing GIS
Sutthipong Sutthiprateep, Thapanont Pornsirichotirat (Bureau of Research and Development, Department of Highways, Ministry of Transport, Bangkok, THAILAND, and Department of Civil Engineering, Thammasat School of Engineering, Thammasat University, THAILAND), and
Bhattraradej Boonsap Witchayangkoon (Department of Civil Engineering, Thammasat School of Engineering, Thammasat University, THAILAND)
Discipline: Civil Engineering.
doi: 10.14456/ITJEMAST.2025.18
Keywords: Seismic risk assessment; Disaster Risk Analysis; Bridge maintenance; DPT; Transportation maintenance; GIS; Bridge seat width; Highway infrastructure; Digital Twin; Highway Network Resilience; Budget prioritization; AASHTO; Bridge unseating failure.
AbstractThis article presents a seismic risk assessment of single-span bridges in western Thailand, a region with the highest density of active faults. This study integrates engineering calculations based on AASHTO LRFD (AASHTO, 2017) and DPT 1302 (DPT, 2009) standards with spatial analysis using Geographic Information Systems (GIS) to establish a per-bridge Risk Index. The research focuses on examining "seat width," a critical factor in preventing unseating failure. The analysis of a case study in Kanchanaburi Province reveals that bridges constructed prior to 2007 possess seat widths significantly below the required values, resulting in a high risk of collapse during major earthquakes. The utilization of GIS to overlay bridge location data, active faults, and soil conditions facilitates the efficient prioritization of structural retrofitting. Policy recommendations include the expansion of bearing seats, the installation of cable restrainers (FHWA, 2018), and the implementation of the Risk Index model for budget management in bridge maintenance within high-risk areas.Paper ID: 16A3D
Cite this article:
Sutthiprateep, S., Pornsirichotirat, T., and Witchayangkoon, B.B. (2025). Spatial and Engineering Risk Assessment of Single-Span Bridges Located near Active Faults in Western Thailand Utilizing GIS. International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies, 16(3), 16A3D, 1-14. http://doi.org/10.14456/ITJEMAST.2025.18
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Other issues:
Vol.16(1)(2025)
Vol.16(2)(2025)
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