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New Precast Concrete Segmental High-Speed Railway Bridges from Lianyungang to Xuzhou: Donghai Viaduct and Daxu Viaduct

 New Precast Concrete Segmental High-Speed Railway Bridges from Lianyungang to Xuzhou: Donghai Viaduct and Daxu Viaduct
Autor(en): , ,
Beitrag für IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024, veröffentlicht in , S. 1083-1091
DOI: 10.2749/manchester.2024.1083
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Donghai Viaduct and Daxu Viaduct as parts of Lianyungang to Xuzhou high-speed railway bridge, are both the first high-speed railway continuous girder bridges using short-line precast segmental meth...
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Bibliografische Angaben

Autor(en): (Sun Engineering Consultants International, Inc., Guangzhou, China)
(Sun Engineering Consultants International, Inc., Guangzhou, China)
(Sun Engineering Consultants International, Inc., Guangzhou, China)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Symposium: Construction’s Role for a World in Emergency, Manchester, United Kingdom, 10-14 April 2024
Veröffentlicht in:
Seite(n): 1083-1091 Anzahl der Seiten (im PDF): 9
Seite(n): 1083-1091
Anzahl der Seiten (im PDF): 9
DOI: 10.2749/manchester.2024.1083
Abstrakt:

Donghai Viaduct and Daxu Viaduct as parts of Lianyungang to Xuzhou high-speed railway bridge, are both the first high-speed railway continuous girder bridges using short-line precast segmental method in China. A big achievement of the project is realizing a high prefabricated proportion of 99.1% and 98.8% respectively for main bodies of both viaducts.

The Accelerated Bridge Construction with the precast segmental bridge technology, using the short- line match casting method and balanced cantilever construction method without closure pour at end spans in the Lianxu project, has built up a good basis for future projects.

This paper introduces several key factors during the construction process of Donghai Viaduct and Daxu Viaduct, including precast yards, construction method, geometry control and BIM, providing more choices for Accelerated Bridge Construction.

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