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Civil Engineering

Mega Bridge, Industrial Ring Road, Thailand

Mega Bridge, Industrial Ring Road, Bangkok, Thailand - The four pylons of spectacular Mega Bridge in Bangkok rise 173 m into the sky. For the realization, the ACS climbing system ensured rapid construction process.
Mega Bridge, Industrial Ring Road, Bangkok, Thailand - The PERI formwork solution with the ACS self-climbing system and VARIO GT 24 wall formwork allowed efficient construction of the demanding pylon geometry with complicated three-dimensional intersections due to forward and reverse inclinations as well as tapering cross-sections along with chamfered edges.
Mega Bridge, Industrial Ring Road, Bangkok, Thailand - The pylons were divided into 3 sections with complicated transition areas. The continuously adjustable brackets of the ACS V climbing system ensured horizontally-positioned platforms at all times for safe and ergonomic working operations.
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Project data

Location: Bangkok, Thailand

bridge connection as part of the Industrial Ring Road IRR over the Chao Phraya river, motorway junctions lie in the middle

  • construction: two cable-stayed bridges
  • length: 702 m and 582 m
  • height of the four pylons: 173 m and 164 m
  • span width: 326 m and 398 m
  • construction period: until 2006

Requirements

  • simultaneous construction of four pylons
  • sophisticated pylon geometry with complicated three-dimensional intersections  due to forward and reverse inclinations
  • inclining cross-section
  • chamfered inner and outer edges

Customer

TNNS Joint Venture:
Taisei, Nishimatsu, NKK, Sino Thai

Benefit to customer

  • concrete pouring in a weekly cycle
  • not a large amount of substructure work on the ground
  • high productivity due to safe and convenient work processes
Mega Bridge, Industrial Ring Road: Akira Mihashi, Project Manager und Hirobumi Kono, Site Manager
Akira Mihashi | Hirobumi Kono
Project Manager | Site Manager

The PERI formwork solution made a substantial contribution to the successful realisation of this project. The formwork adapted superbly to the changing cross-sections and different inclinations.  High work-rate was achieved as a result of the safe and convenient work processes provided by the PERI ACS self-climbing formwork.

PERI solution

  • crane-independent ACS self-climbing formwork
  • coordinated formwork and platform execution on all standard concreting steps
  • consideration of the cable outlets on the pylon heads