Email this article Reliability analysis of a reinforced concrete bridge under moving loads
DOI: https://doi.org/10.20528/cjcrl.2020.02.002
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This study presents a reliability analysis procedure for a reinforced concrete bridge exposed to different moving loads. Bridges are one of the important part of transportation infrastructure systems. As bridges age, structural weakening due to heavy traffic and aggressive environmental factors lead to an increase in repair frequency and decrease in load carrying capacity. Therefore, bridges require periodic maintenance and repair in order to function and be reliable throughout their lifetimes. In other words, condition and safety of the bridges must be monitored at regular time intervals to avoid the disadvantages of deterioration. Otherwise, sudden collapse of a bridge may lead to irreversible loss of life and property. Therefore, the importance of the structural assessment of bridges is rapidly increasing in developed countries. In this study, reliability analysis which is one of the structural performance prediction method is applied to a reinforced concrete bridge subjected to the different moving loads. The aim of this study is to observe the safety of the bridge for the effect of the increasing traffic factor over the years.
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References
Akgül F, Frangopol DM (2004). Lifetime performance analysis of existing steel girder bridge superstructures. Journal of Structural Engineering, American Society of Civil Engineers, 130(12), 1875-1888.
Akgül F, Frangopol DM (2005). Lifetime performance prediction of existing reinforced concrete bridges, I: Theory. Journal of Infrastructure Systems, American Society of Civil Engineers, 11(2), 122-128.
Ang AH-S, Tang WH (1984). Probability Concepts in Engineering Planning and Design, Vol. II, Decision, Risk, Reliability. John Wiley & Sons, Inc., New York, USA.
ASSHTO (1992). Standard Specifications for Highway Bridges, American Association of State Highway and Transportation Officials, Wash, DC, USA.
ASSHTO (1994). LRFD Bridge Design Specifications, American Association of State Highway and Transportation Officials, Wash, DC, USA.
Christensen PT (1998). Assessment of the reliability profiles for concrete bridges. Journal of Engineering Structures, 20, 1004-1009.
Cornell CA (1969). A probability based structural code. Journal of American Concrete Institute, 66(12), 974-985.
Enright MP, Frangopol DM (1998). Probabilistic analysis of resistance degradation of reinforced concrete bridge beams under corrosion, Engineering Structures, 20(11), 960-971.
Estes AC, Frangopol DM (1999). Repair optimization of highway bridges using system reliability approach. Journal of Structural Engineering, ASCE, 125(7), 766-775.
Estes AC, Frangopol DM (2001). Bridge lifetime system reliability under multiple limit states. Journal of Bridge Engineering, 125(7), 766-775.
Frangopol DM (1999). Bridge Safety and Reliability. American Society and Civil Engineers, Reston, USA.
Frangopol DM, Kallen MJ, and van Noortwijk JM (2004). Probabilistic models for life-cycle performance of deteriorating structures: review and future directions. Progress in Structural Engineering and Materials, 6, 197-212.
Hawk H, Small EP (1998). The bridgit bridge management system. Structural Engineering International, 8(4), 308-314.
Hong HP (2000). Assessment of reliability of aging reinforced concrete structures. Journal of Structural Engineering, 126(12), 1458-1465.
Kong JS (2001). Lifetime maintenance strategies for deteriorating structures. Ph.D thesis, University of Colorado, Boulder, Colorado, USA.
Mori Y, Ellingwood BR (1993). Reliability-based service-life assessment aging concrete structures. Journal of Structural Engineering, 119(5), 1600-1621.
Thompson PD, Small EP, Johnson M, Marshall A (1998). The pontis bridge management system. Structural Engineering International, 8(4), 303-308.
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