气候变化领域集成服务门户(CCPortal): Vulnerability assessment of bridges subjected to extreme cyclonic events

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DOI	10.1007/s11069-020-03931-y
	Vulnerability assessment of bridges subjected to extreme cyclonic events
	Pathiranage T.; Lokuge W.
发表日期	2020
ISSN	0921030X
起始页码	401
结束页码	417
卷号	102 期号:1
英文摘要	Over the past few years, Queensland in Australia has suffered from a number of severe tropical cyclones, the most recent one being Marcia, which took place in 2015. Damage bill of Cyclone Marcia exceeded $50 million which included the cost of repairing a number of damaged road structures. Failure of road structures such as bridges isolates communities from accessing essential services and commodities. This necessitated a methodical approach to evaluate the failure of bridges to improve their resilience and provide base knowledge for developing emergency maintenance response. Although there are several methods available to evaluate the vulnerability of bridges, fault tree analysis (FTA) was selected in this study by considering its positive attributes over the other methods. FTA was used to estimate the probabilities of failure of main components (superstructure and substructure) and elements of timber and concrete bridges. Secondary data (level 1 and level 2 bridge inspection reports from Transport Main Roads in Rockhampton) before and after the Cyclone Marcia were used in conjunction with expert advice to construct fault trees for both timber and concrete bridges. Potential failure mechanisms were observed, and the degree of susceptibility of main components of timber and concrete bridges to cyclonic events was evaluated. This research was based on selected bridges under specific cyclone in one region, which is a limitation of the study. Few other case study bridges subjected to cyclonic events can be used to strengthen the understanding of the complete dynamics of the bridge failure under these extreme events. © 2020, Springer Nature B.V.
关键词	Bridge failure Cyclone Fault tree analysis Preventive maintenance Vulnerability
英文关键词	bridge; extreme event; failure analysis; maintenance; risk assessment; tropical cyclone; vulnerability; Australia; Queensland
语种	英语
来源期刊	Natural Hazards
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/205869
作者单位	Centre for Future Materials (CFM), School of Civil Engineering and Surveying, Faculty of Health, Engineering and Sciences, University of Southern Queensland (USQ), Springfield, QLD 4300, Australia
推荐引用方式 GB/T 7714	Pathiranage T.,Lokuge W.. Vulnerability assessment of bridges subjected to extreme cyclonic events[J],2020,102(1).
APA	Pathiranage T.,&Lokuge W..(2020).Vulnerability assessment of bridges subjected to extreme cyclonic events.Natural Hazards,102(1).
MLA	Pathiranage T.,et al."Vulnerability assessment of bridges subjected to extreme cyclonic events".Natural Hazards 102.1(2020).