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Mix design and properties of Ultra-High Performance Fibre Reinforced Concrete for the construction of a composite UHPFRC - concrete bridge

 Mix design and properties of Ultra-High Performance Fibre Reinforced Concrete for the construction of a composite UHPFRC - concrete bridge
Autor(en): , ORCID, , ,
Beitrag für IABSE Symposium: Improving Infrastructure Worldwide, Weimar, Germany, 19-21 September 2007, veröffentlicht in , S. 466-467
DOI: 10.2749/weimar.2007.0330
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The mix design and properties of the two different types of UHPFRC materials that will be used for the construction of an innovative 46m long, 2-span overpass road bridge are presented. The origina...
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Autor(en):
ORCID




Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Improving Infrastructure Worldwide, Weimar, Germany, 19-21 September 2007
Veröffentlicht in:
Seite(n): 466-467 Anzahl der Seiten (im PDF): 8
Seite(n): 466-467
Anzahl der Seiten (im PDF): 8
Jahr: 2007
DOI: 10.2749/weimar.2007.0330
Abstrakt:

The mix design and properties of the two different types of UHPFRC materials that will be used for the construction of an innovative 46m long, 2-span overpass road bridge are presented. The originality of this bridge construction project is to combine conventional reinforced concrete with UHPFRC to strengthen those zones of the bridge structure which are exposed to aggressive media like deicing salts.

Two principally different types of UHPFRC will be used for the bridge construction: a mix for casting on the construction site with a high cement and steel fibre content for the load bearing and water proofing top layer of the bridge deck slab and for an innovative UHPFRC hinge. The kerb and sidewalk overlay elements are prefabricated using a practically proven UHPFRC with comparatively low cement content and low steel fibre content due to the fact that these elements are prestressed. These kerb elements will be directly glued to the bridge deck which is a further step towards an advanced construction system for concrete structures.

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