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Implementation and cost-efficiency of stainless steel bridge edge beams
KTH Royal Institute of Technology, Sweden.
RISE, Swerea, KIMAB.
2016 (English)In: IABSE Congress Stockholm, 2016: Challenges in Design and Construction of an Innovative and Sustainable Built Environment, International Association for Bridge and Structural Engineering (IABSE) , 2016, p. 819-826Conference paper, Published paper (Refereed)
Abstract [en]

Bridge edge beams may take up to 60% of the life-cycle measure costs of a bridge and cause considerable user costs because of roadworks. The Swedish Transport Administration presented new edge beam solutions that could become better for the society in terms of cost. Stainless steel has been considered for enhanced durability, preventing expensive maintenance. The purpose of this paper is to motivate the use of stainless steel in the solutions proposed. A life-cycle cost analysis is carried out to evaluate the cost-efficiency of a concrete integrated edge beam with stainless and carbon steel reinforcement in a bridge project. The influence of the discount rate is addressed by a sensitivity analysis. Stainless steel is shown to lead to cost-efficient edge beam solutions. Low discount rates encourage using better quality designs with higher investment costs but lower lifecycle measure costs and user costs, which supports the use of stainless steel.

Place, publisher, year, edition, pages
International Association for Bridge and Structural Engineering (IABSE) , 2016. p. 819-826
Keywords [en]
Bridge edge beam system, Cost-efficiency, Discount rate, Edge beam, Life-cycle cost analysis, Maintenance, Stainless steel, Bridges, Carbon, Carbon steel, Cost accounting, Cost benefit analysis, Cost effectiveness, Costs, Efficiency, Life cycle, Sensitivity analysis, Sustainable development, Beam system, Cost efficiency, Discount rates, Life cycle cost analysis
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-42158Scopus ID: 2-s2.0-85018987141ISBN: 9783857481444 (print)OAI: oai:DiVA.org:ri-42158DiVA, id: diva2:1384369
Conference
19th IABSE Congress Stockholm 2016: Challenges in Design and Construction of an Innovative and Sustainable Built Environment, 21 September 2016 through 23 September 2016
Available from: 2020-01-09 Created: 2020-01-09 Last updated: 2020-01-09Bibliographically approved

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