Effect of reinforcement corrosion on reliability of highway bridges

DV Val, MG Stewart, Robert E Melchers

    Research output: Contribution to journalArticle

    137 Citations (Scopus)

    Abstract

    This paper presents several aspects of a method for reliability assessment of reinforced concrete (RC) slab bridges with corroded reinforcement, It is assumed that corrosion will lead to a reduction in cross-sectional area of the reinforcing steel and/or a reduction in bond strength. Two types of corrosion are considered: general and localized corrosion. The method includes a non-linear finite element structural model and probabilistic models for traffic loads, corrosion propagation, bond characteristics, material properties, element dimensions and reinforcement placement. Reliability is estimated in terms of the reliability index using the first-order reliability method (FORM), For illustrative purposes, bridge reliabilities are calculated for a deteriorating, simple-span RC slab bridge, for ultimate strength and serviceability limit states. (C) 1998 Elsevier Science Ltd. All rights reserved.

    Original languageEnglish
    Pages (from-to)1010-1019
    Number of pages10
    JournalEngineering Structures
    Volume20
    Issue number11
    DOIs
    Publication statusPublished - Nov 1998
    EventWorkshop on Bridge Safety and Reliability - BOULDER
    Duration: 2 Oct 19964 Oct 1996

    Keywords

    • cracking
    • reliability analysis
    • concrete structures
    • strength
    • deterioration
    • bridges
    • steel

    Cite this