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Challenges in Hong Kong – Zhuhai – Macao Bridge (HZMB) Hong Kong Link Road Project

Challenges in Hong Kong – Zhuhai – Macao Bridge (HZMB) Hong Kong Link Road Project
Auteur(s): , , , ,
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Présenté pendant IABSE Conference: Bridges and Structures Sustainability - Seeking Intelligent Solutions, Guangzhou, China, 8-11 May 2016, publié dans , pp. 797-804
DOI: 10.2749/222137816819259202
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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 Highway...
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Auteur(s):





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:
Page(s): 797-804 Nombre total de pages (du PDF): 8
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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