Challenges in Hong Kong – Zhuhai – Macao Bridge (HZMB) Hong Kong Link Road Project
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Détails bibliographiques
| Auteur(s): |
Man Chan
Wai Kwong Poon Yew Wah Leung Donald Sai Ho CHAN Valery Premaud Yves Rialland |
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| Médium: | papier de conférence | ||||
| Langue(s): | anglais | ||||
| Conférence: | IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016 | ||||
| Publié dans: | IABSE Conference, Guangzhou, China, 8 – 11 May 2016 | ||||
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| Page(s): | 797-804 | ||||
| Nombre total de pages (du PDF): | 8 | ||||
| Année: | 2016 | ||||
| DOI: | 10.2749/222137816819259202 | ||||
| Abstrait: |
The Hong Kong Link Road (HKLR) is part of the prominent structure, Hong Kong-Zuhai-Macao Bridge (HZMB), connecting 3 vibrant cities in Southern China. The works which are administered under Highways Department of HKSAR comprises design and construction of approximately 9km of viaducts. About 7km of the viaducts are marine structures with three navigation channels. The basic structural form of the viaducts is precast segmental prestressed concrete box girder. The span length of the viaducts ranges from 35m to 180m. Balanced cantilever method is selected due to the variability of the span lengths and flexibility in construction. The piers consist of both cast- insitu and precast concrete structures. The viaducts are supported on bored piles with diameters ranging from 2.2m to 2.8m. Foundation in areas with complex geology such as fault zones has posed a major challenge to the job. Some piles are over 100m long due to complex geology. This paper presents the challenges and solutions employed in the design and construction of the viaducts. It describes the prestressed schemes employed in both the decks and piers with special details used in the formation of monolithic deck-column connections. The three main Challenges on the project were the erection in open sea, the vicinity of the Airport and enverinmental constraints. |
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| Mots-clé: |
durabilité
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