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- Hechler, O., et al.
(författare)
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On the use of duplex stainless steels in bridge construction
- 2008
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Ingår i: Bridge Maintenance, Safety Management, Health Monitoring and Informatics. - Boca Raton, Fla : Taylor and Francis Group. - 9780415468442
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Konferensbidrag (refereegranskat)abstract
- Maintenance and the related costs in the life time of existing structures are an ever growing problem and bridges are no exception to this rule. Much of the maintenance costs are related to corrosion of steel members. Especially when steel and composite bridges are built in aggressive environments (e.g. close to seawater or in industrial atmospheres) these costs become of major importance. However also concrete bridges are concerned as the re-bars in concrete decks may be subjected to corrosion caused by chloride ingress from de-icing salt or seawater. Consequently the use of a material providing high mechanical properties with a sufficient corrosion resistance for the application in these aggressive environments would lead to economic and durable construction. Further the maintenance costs become predictable, which would increase the quality of the bridge management. Duplex stainless steel is this material with sufficient yield strength, stiffness and toughness as well as an excellent durability in aggressive environments. With a targeted material choice, innovative construction solution may be achieved. However, high material costs, gaps in common knowledge, e.g. on fatigue, as well as fabrication aspects are preventing a wider application of these steels in bridge construction.
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- Kerrouche, Abdel, et al.
(författare)
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Field test - strengthening and monitoring of the Frövi Bridge
- 2008
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Ingår i: Bridge Maintenance, Safety Management, Health Monitoring and Informatics. - Boca Raton, Fla : CRC Press, Taylor & Francis Group. - 9780415468442 ; , s. 3743-3750
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Konferensbidrag (refereegranskat)
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- Larsson, Tobias, et al.
(författare)
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Fatigue of riveted metal structures
- 2008
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Ingår i: Bridge Maintenance, Safety Management, Health Monitoring and Informatics. - Boca Raton, Fla : Taylor and Francis Group. - 9780415468442 ; , s. 1254-1261
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Konferensbidrag (refereegranskat)
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- Plos, Mario, et al.
(författare)
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Structural assessment of concrete railway bridges
- 2008
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Ingår i: Bridge Maintenance, Safety Management, Health Monitoring and Informatics. - Boca Raton, Fla : Taylor and Francis Group. - 9780415468442 ; , s. 3642-3649
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Konferensbidrag (refereegranskat)
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- Plos, Mario, 1963, et al.
(författare)
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Structural assessment of concrete railway bridges
- 2008
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Ingår i: Bridge Maintenance, Safety, Management, Healt Monitoring and Informatics. - 9780415468442 ; , s. 705-
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Konferensbidrag (refereegranskat)abstract
- The work presented provides enhanced assessment methods that are able to prove higher load-carrying capacities and longer fatigue lives for existing concrete railway bridges. It was performed as a part of the EU-project Sustainable Bridges. The results are implemented in the Guideline for Load and Resistance Assessment of existing European Railway Bridges, see SB-LRA (2007) and are reported in detail in a background document, see SB4.5 (2007). The work presents improved methods for the determination of in-situ material properties, for deterministic as well as probabilistic assessments. Advanced methods for structural analysis are presented, e.g. regarding combined shear, torsion and bending interaction. Recommendations are given regarding redistribution of sectional moments and forces obtained from linear finite element analysis. One main objective was to facilitate the use of non-linear analysis for structural assessment. This provides the greatest potential to discover any additional sources for load-carrying capacity, and gives a better understanding of the structural response. Another main objective was to provide methods to assess the remaining structural resistance of deteriorated concrete bridges. Recommendations are given on the effect of corrosion and a methodology is presented for assessment of remaining fatigue life, with emphasis on short-span bridges and secondary elements.
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- Puurula, Arto, et al.
(författare)
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Test of a concrete bridge in Sweden : I. Assessment methods
- 2008
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Ingår i: Bridge Maintenance, Safety, Management, Health Monitoring and Informatics. - Boca Raton, Fla : Taylor and Francis Group. - 9780415468442 ; , s. 3385-3592
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Konferensbidrag (refereegranskat)
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