Fatigue strengthening of steel structures using high modulus CFRP plates: Development of a life-cycle analysis approach

•Unitary data related to some fatigue strengthening solutions are proposed.•Adhesively bonded high modulus CFRP solution is compared with traditional techniques.•Both direct and indirect cost assessment methodologies are settled.•Environmental assessment of solutions is presented. With an ageing bri...

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Bibliographic Details
Published in:Construction & building materials 2019-12, Vol.227, p.116628, Article 116628
Main Authors: Orcesi, André D., Feraille, Adélaïde, Chataigner, Sylvain
Format: Article
Language:English
Subjects:
Adhesively bonded CFRP
Engineering Sciences
Fatigue
Life-cycle analysis
Life-cycle cost
Materials
Steel bridges
Strengthening and repair
User costs
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Summary:•Unitary data related to some fatigue strengthening solutions are proposed.•Adhesively bonded high modulus CFRP solution is compared with traditional techniques.•Both direct and indirect cost assessment methodologies are settled.•Environmental assessment of solutions is presented. With an ageing bridge stock and in order to limit economic and environmental costs, developing preventive maintenance, repair and strengthening strategies will help asset owners to make efficient decisions in a sustainable way. For steel and composite steel bridges, preventing fatigue failure is at stake. In this context, easy-to-apply preventive strengthening techniques should be developed to extend fatigue life-time of steel bridges and delay resource-consuming major interventions such as traditional steel strengthening, rehabilitation, or decommissioning and new construction. This paper investigates the cost and environmental burdens associated with several strategies to extend steel bridges fatigue life-time. In particular, one details the needed information and the methodology for the implementation of an overall life-cycle analysis of an adhesively bonded CFRP solution compared with traditional techniques (use of steel plates). This is carried out considering economic, environmental and social benefits of the preventing policy and illustrating the developed methodologies with a case study corresponding to the strengthening of an existing steel bridge during its service life.
ISSN:0950-0618
1879-0526
DOI:10.1016/j.conbuildmat.2019.08.009