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Rehabilitation of a 200 m long pedestrian bridge with carbon textile reinforced concrete

Rehabilitation of a 200 m long pedestrian bridge with carbon textile reinforced concrete
Autor(en): , , , ORCID,
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Beitrag für IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021, veröffentlicht in , S. 101-108
DOI: 10.2749/ghent.2021.0101
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The pedestrian and cyclist bridge Rheinsteg of the Rheinkraftwerk Albbruck-Dogern AG (RADAG) constructed in 1934 was on the verge of demolition due to severe corrosion damage. Replacing the ...
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Bibliografische Angaben

Autor(en): (Institute of Structural Concrete, RWTH Aachen University, Aachen, Germany)
(Institute of Structural Concrete, RWTH Aachen University, Aachen, Germany)
(Institute of Structural Concrete, RWTH Aachen University, Aachen, Germany)
ORCID (Institute of Structural Concrete, RWTH Aachen University, Aachen, Germany)
(University of Applied Sciences, Augsburg, Germany)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Congress: Structural Engineering for Future Societal Needs, Ghent, Belgium, 22-24 September 2021
Veröffentlicht in:
Seite(n): 101-108 Anzahl der Seiten (im PDF): 8
Seite(n): 101-108
Anzahl der Seiten (im PDF): 8
DOI: 10.2749/ghent.2021.0101
Abstrakt:

The pedestrian and cyclist bridge Rheinsteg of the Rheinkraftwerk Albbruck-Dogern AG (RADAG) constructed in 1934 was on the verge of demolition due to severe corrosion damage. Replacing the defective slab with seven-centimeter thin carbon textile reinforced concrete allowed to maintain the self-weight and to reuse the existing main steel girders, bridge pillars, and foundations. This rehabilitation process globally saved time and cost compared to a new construction. As the existing steel superstructure was again connected monolithically to the new slab to maintain the same level of serviceability, full vertical cracking as well as loads from shrinkage and differential temperature caused by constraint were to be expected. The influence of vertical cracks and tension forces on shear capacity of TRC was investigated during the approval process. This paper presents the project with a focus on TRC and explains insights from the challenging construction on site.
Stichwörter:
Brücke experimentelle Untersuchung Instandsetzung Schub TRC
Copyright: © 2021 International Association for Bridge and Structural Engineering (IABSE)
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