NDLI: Reliability Evaluation of a Cable-stayed Bridge Subjected to Cable Rupture During Construction

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Reliability Evaluation of a Cable-stayed Bridge Subjected to Cable Rupture During Construction

Content Provider	Scilit
Author	Lu, Naiwei Liu, Yang
Copyright Year	2021
Description	Due to human error and structural uncertainties, the cables of cable-stayed bridges have a higher risk of failure during construction, which may lead to damage or even collapse of a bridge. This chapter presents a framework to evaluate the reliability of concrete cable-stayed bridges during construction involving cable rupture. Initially, the mechanical behavior of a cable-stayed bridge subjected to cable rupture during construction was investigated. Subsequently, an intelligent algorithm combining the β-bound method and the response surface method was proposed for conducting an efficient evaluation of the system reliability. Finally, the system reliability indices of the cable-stayed bridge during different construction stages were evaluated with the consideration of the domain failure paths. The numerical results indicate that the main failure sequence of cable-stayed bridges during the largest cantilever state is the failure of longer cables, followed by the bending failure of mid-span girders. The main failure sequence during the closure stage of side-span is the failure of several mid-span cables followed by the bending failure of mid-span girders. The structural system reliability decreased with an increase in the number of cantilever sections. The proposed framework can provide reasonable reliability evolution for complex bridges during construction. Book Name: Reliability and Safety of Cable-Supported Bridges
Related Links	https://api.taylorfrancis.com/content/chapters/edit/download?identifierName=doi&identifierValue=10.1201/9781003170594-5&type=chapterpdf
DOI	10.1201/9781003170594-5
Language	English
Publisher	Informa UK Limited
Publisher Date	2021-05-19
Access Restriction	Open
Subject Keyword	Book Name: Reliability and Safety of Cable-supported Bridges Civil Engineering Structural Failure Cable Stayed Bridges Construction Evolution Behavior
Content Type	Text
Resource Type	Chapter

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