Prognosis of the Long-term Behavior new Cantilevered Bridge in Wroclaw
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Bibliografische Angaben
| Autor(en): |
C. Machelski
P. Wanecki |
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| Medium: | Tagungsbeitrag | ||||
| Sprache(n): | Englisch | ||||
| Tagung: | IABSE Symposium: Synergy of Culture and Civil Engineering – History and Challenges, Wrocław, Poland, 7-9 October 2020 | ||||
| Veröffentlicht in: | IABSE Symposium Wroclaw 2020 | ||||
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| Seite(n): | 422-429 | ||||
| Anzahl der Seiten (im PDF): | 8 | ||||
| Jahr: | 2020 | ||||
| DOI: | 10.2749/wroclaw.2020.0422 | ||||
| Abstrakt: |
Cantilever concreting technology is one of the modern methods of constructing concrete long-span bridges. The negative feature of these bridges is their long-term deflection, which is a result of rheological processes in the concrete and in pre-tensioning steel. This can also be caused by the destruction of material, e.g. cracking of concrete, as well as by changes in the static scheme of the bridge structure, e.g. support settlements. Although, in general, the effect of a facility's operation is a change in its grade line, in this article this change has been narrowed to the deflection of a span. The purpose of the paper is to determine the stresses based on the deflection line. |
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