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Renewal of modular expansion joints - an innovative approach that minimises impacts on traffic and on the main bridge structure

 Renewal of modular expansion joints - an innovative approach that minimises impacts on traffic and on the main bridge structure
Autor(en): , ,
Beitrag für IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013, veröffentlicht in , S. 400-401
DOI: 10.2749/222137813806501867
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An innovative method for the replacement of an old modular expansion joint in a concrete structure is presented: the “box-in-box” method. It requires only the replacement of dynamically loaded part...
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Autor(en):


Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Assessment, Upgrading and Refurbishment of Infrastructures, Rotterdam, The Netherlands, 6-8 May 2013
Veröffentlicht in:
Seite(n): 400-401 Anzahl der Seiten (im PDF): 8
Seite(n): 400-401
Anzahl der Seiten (im PDF): 8
Jahr: 2013
DOI: 10.2749/222137813806501867
Abstrakt:

An innovative method for the replacement of an old modular expansion joint in a concrete structure is presented: the “box-in-box” method. It requires only the replacement of dynamically loaded parts of the joint, and thus offers several advantages over traditional full-replacement techniques. In particular, it saves the need to break out concreted-in parts of the joint and to place new reinforcement and concrete. Costs are therefore reduced, disruption to traffic is minimised, and structural impacts on what might otherwise be a perfectly sound structure are avoided. And the approach is environmentally friendly, minimising not only the use of new materials and the construction effort required, but also the various impacts of traffic congestion during the works.

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