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Volume 2
Issue 2
Online publication date 2010-08-10
Title Load rating of bridges - current practices and issues
Author Amaladosson Rose Enid Teresa, Gunasekaran Umarani, Ashokkumar Kanchanadevi
Abstract The most common approach to assess the safety of a bridge is load rating. Load rating of bridges is an important task that needs more attention and to be exercised with care. A prior knowledge base is highly essential in performing such a forbidden task. In this paper load rating practices carried out globally is reviewed with special emphasis on fatigue effect. The behaviour of members and materials under fatigue loading, various models proposed to simulate fatigue loading are highlighted.
Citation
References
AASHTO, 1989, Standard Specifications for Highway Bridges, American Association of State Highway and Transportation Officials, Washington, DC

Caglayan et al., 2008, “Fatigue life evaluation of a through-girder steel railway bridge Engineering”, Failure Analysis, Elseveir

Charles et al., 2004, “New AASHTO Guide Manual for Load and Resistance FactorRating of Highway Bridges”, Journal of Bridge Engineering, ASCE, Vol. 9, No. 1, pp.43-54

Chen and Cai, 2007,  “Equivalent Wheel Load Approach for Slender Cable-Stayed Bridge Fatigue Assessment under Traffic and Wind: Feasibility Study”, Journal of Bridge Engineering, ASCE, Vol. 12, No. 6, pp.755 -764

IRC SP-37,  1991, Guidelines for evaluation of load carrying capacity, Indian Roads Congress,  New Delhi

Lin  and Smith, 1999, “Finite element modeling of fatigue crack growth of surface cracked plates, Part III: stress intensity factor and fatigue crack growth life”, Engineering Fracture Mechanics,  63, pp. 541-556

Lin and Smith, 1999, “Finite element modeling of fatigue crack growth of surface cracked plates, Part I: the numerical technique”, Engineering Fracture Mechanics, 63, pp. 503-522

Miller, 1985, “Initiation and growth rates of short fatigue cracks. In: Fundamentals of Deformation and Fracture”, Eshelby Memorial Symposium, Cambridge University Press, Cambridge, UK, pp. 477-500

Miller and Zachariah, 1977, “Cumulative damage laws for fatigue crack initiation and stage I propagation”, Journal of Strain Analysis, 12 (4), pp. 262-270

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Keywords Bridges, load rating, fatigue, issues, practices
DOI http://dx.doi.org/10.15208/ati.2010.10
Pages 9-18
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