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Composite forming carriage

The perfect solution, all from one supplier

The Doka composite forming carriage scores top marks for its huge versatility, the speed with which it can be assembled from rentable standard components, and its high level of workplace safety.

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Reduced costs
due to the use of rentable standard components 

Fast, safe casting of deck slabs, thanks to the system's

  • small number of versatile, combinable component parts
  • ease of assembly
  • fast formwork set-up and removal
  • high safety standards for rapid working

Ease of handling
for a smooth construction workflow 

Superlative efficiency on your site, achieved by

  • low dead weight and high load capacity
  • pouring in a weekly cycle
  • travelling the entire unit in one piece
  • adaptability to slender structures as well

Comprehensive tailor-made solutions
for widely differing shapes of bridge 

Doka offers you a "one-stop shop" to plan and supply

  • high-caliber solutions for all steel composite bridges
  • forming carriages, shoring towers and working platforms all designed to work together seamlessly

The 28 casting sections for the carriageway slabs of the Vesterstraumen and Austerstraumen Bridges were poured using two composite forming carriages in an irregular "back-step" sequence. The weekly cycle achieved here made it possible to complete the project on time.

References

System

Simple system-grid

In the longitudinal direction of the bridge, the increment-grid of the Doka composite forming carriage is dictated by a 16 1/2 ft. long and 6 1/2 ft. high longitudinal girder. In the transverse direction, two transverse frameworks joined by an adjustment zone (compensation girders) permit any desired dimension.

The adjustable spindle struts, and the large number of bolting positions in the steel girders, together make for optimum adaptability of the composite forming carriage.

Safety on the structure

With its suspended finishing-work platform levels, the Doka composite forming carriage provides a high standard of safety. Only a few extra scaffolding tubes are needed to create the ideal framework for an all-round enclosure.

  • Telescopic suspended railing
  • Handrail clamp S
  • Handrail clamp T
  • Handrail post 1.10m
  • Crew can be sheltered from weather by an all-round enclosure

Roller support for inside formwork

  • for forward-jacking the inside formwork using the roller-drawer principle

Unlimited adjustability options

  • cantilever arm formwork can be adjusted in all directions by means of spindle struts
  • formwork is easy to set up and strip, using a 2-part anchoring system

Formwork systems for composite bridge-decks

Overslung composite forming carriage

This, the standard type of carriage, is a fast and safe way of constructing the concrete decking of composite bridges (on steel superstructures).

Underslung composite forming carriage

By providing barrier-free access to the entire roadway deck, this type of carriage ensures a high standard of safety, especially on wide bridge cross-sections with diagonal struts.

Crane-shiftable bracket solution

For shorter superstructures and medium-length bridges involving only a few repositioning cycles, a crane-shiftable formwork is available.

Cost-saving custom solutions

On request, the Doka Formwork Experts will also plan and design constructions for situations where space is severely limited, or for unusual cross-sections.