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Civil Engineering

Hongkong-Zhuhai-Macao Bridge (HZMB) | Tunnel, China

Hongkong-Zhuhai-Macao Bridge (HZMB), China - The 180 m long tunnel elements are cast in eight individual segments each 22.50 m long – monolithic, without ties and in compliance with strict dimensional tolerances.
Hongkong-Zhuhai-Macao Bridge (HZMB), China - The internal formwork moves hydraulically over the launching beam into the reinforcement cages.
Hongkong-Zhuhai-Macao Bridge (HZMB), China - A total of 33 tunnel elements will be produced using two production lines: each 180 m long, 38 m wide, 11.40 m high and weighing 72,000 t.
Hongkong-Zhuhai-Macao Bridge (HZMB), China - The finished tunnel tubes with lengths of 180 m are moved from the field factory into a dry dock, sealed with bulkheads and lowered gradually to reach sea level.
Hongkong-Zhuhai-Macao Bridge (HZMB), China - Realization of the three-cell cross-section is achieved using the incremental launching method by means of three sets of tunnel formwork as horizontal moving device.
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Project data

Location: Hongkong, China

Hongkong-Zhuhai-Macao Bridge (HZMB), China
中国港珠澳大桥岛隧工程

  • longest underwater tunnel in the world, almost 45 m below sea level
  • part of the 35 km long road connection between Hong Kong and Macao/Zhuhai in the area of the approach path to the Hong Kong International Airport Chep Lap Kop.
  • construction period:  2012 to 2015
  • tunnel length: 6 km

Requirements

Production of 33 tunnel elements which are each 180 m long, 38 m wide and 11.40 m high

  • maximimum deviation of +/- 2 mm
  • hydraulic shuttering and striking
  • delivery of the formwork solution in a very short amount of time
  • life-span of at least 120 years required

Customer

China Communications Construction Company Ltd. (CCCC)

Customer's benefit

  • production of the bottom plate, outer walls and slabs without ties
  • industrial production of the individual tunnel segments 
  • exact implementation of the project requirements
Hongkong-Zhuhai-Macao Bridge (HZMB): Lin Ming, Project Director
Lin Ming
Project Director

PERI have impressed us not only with their technical competence and enormous project experience, but also with the high degree of efficiency and ability to cooperate closely with us. We would like to thank the PERI project team for their superb realisation of this unique project.

PERI solution

  • two hydraulically-operated forming machines for the production of 22.50m long sections using a cantilever launching method
  • six main structural components per production line: slab formwork, two external and three internal sets of formwork

PERI systems in use