Bridge System Reliability and Reliability-Based Redundancy Factors

Frangopol, Dan M.; Kozy, Brian M.; Zhu, Benjin; Sabatino, Samantha; Lehigh University. ATLSS Engineering Research Center

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Bridge System Reliability and Reliability-Based Redundancy Factors

2019-09-16
By Frangopol, Dan M. ; Kozy, Brian M. ; Zhu, Benjin ; ...

[PDF-3.98 MB]

English

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Creators:

Frangopol, Dan M. ; Kozy, Brian M. ; Zhu, Benjin ; Sabatino, Samantha

Frangopol, Dan M. ; Kozy, Brian M. ; Zhu, Benjin ; Sabatino, Samantha Less -
Corporate Creators:

Lehigh University. ATLSS Engineering Research Center
Corporate Contributors:

United States. Federal Highway Administration. Office of Infrastructure
Subject/TRT Terms:

[+]

Bridges Redundancy Redundancy Factor Reliability Reliability (Statistics) Structural Redundancy Structural Reliability System Reliability
Publication/ Report Number:

FHWA-HIF-19-093
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Highway Administration. Office of Infrastructure
Abstract:

This report proposes a redundancy factor to provide improved bridge system reliability using conventional component-based limit-state design. The redundancy factor is based on a system reliability assessment, and it provides a missing link between bridge component reliability and bridge system reliability. It is intended to provide more uniform bridge system reliability across bridge system types. Focus is placed on critical (i.e., strength) limit states. The effects of the system model type, correlation among the component resistances, and coefficients of variation for the component load effects and resistances on the system reliability and the redundancy factor are shown for systems with up to 100 components.
Format:

PDF
Funding:

DTFH61-11-H-00027
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:b99a1d706215c6ef38fcd666f3809eba23a5924b048cd747175590b60c3ac0ae
Download URL:

https://rosap.ntl.bts.gov/view/dot/50755/dot_50755_DS1.pdf
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Bridge System Reliability and Reliability-Based Redundancy Factors

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