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- Title
Denkmalkonforme Instandsetzung der Beton‐Glas‐Fenster der St.‐Mauritius‐Kirche.
- Authors
Kryzhanovskyi, Vitalii; Umbach, Cristin; Orlowsky, Jeanette; Middendorf, Bernhard; Auras, Michael; Grillich, Philipp
- Abstract
Restoration of the concrete and glass windows of St. Mauritius Church in accordance with the preservation requirements The development of repair systems for use on heritage‐listed concrete structures represents a major challenge in terms of materials and aesthetics. The reinforced concrete structures of the St. Mauritius Church in Wiesbaden, in particular the artistically designed concrete and glass window bands, are severely corroded and need to be repaired. Based on historical data collections and visual inspections of the degree of damage to these window bands, a restoration approach was developed to extend the service life of the glass surrounds under current conditions of use. Taking into account the material compatibility, dedicated fiber‐reinforced concretes were developed for the repair. Care was taken to ensure that the materials used were matched to each other in order to achieve an optimized packing density. In this way, a similar structural density was achieved for the repair concrete as for high‐strength or ultra‐high performance concretes. The physical and mechanical properties were adapted to the old concrete; especially compressive strength, flexural strength and adhesive tensile strength as well as the modulus of elasticity, shrinkage, thermal fatigue resistance and water absorption. It was experimentally proven that fiber reinforcement significantly improves the adhesive tensile strength of the repair concrete and increases its durability.
- Subjects
WIESBADEN (Germany); FATIGUE limit; THERMAL fatigue; REINFORCED concrete; FIBER-reinforced concrete; MODULUS of elasticity; CONCRETE fatigue; DIGITAL preservation
- Publication
Bautechnik, 2024, Vol 101, Issue 5, p299
- ISSN
0932-8351
- Publication type
Article
- DOI
10.1002/bate.202300117