An ideal solution for the construction of large-span structures, such as cable-stayed and unstayed bridges and viaducts, where the incremental launching method is employed. This technology is used in bridges over rivers and the sea, or when conventional formwork supported directly on the ground is not feasible.
The system consists of trusses that work in cantilever, supporting the successive construction of the voussoirs, whether cast in place or precast. The voussoirs are segments of the deck, determined in the structural design.
After the concrete pouring or lifting of the precast segment, the Successive Cantilever System is moved forward with the entire set of shoring and formwork for the segment, to allow for the concrete pouring or lifting of the next segment of the bridge or viaduct.
Applications
Infrastructure
Benefits
It enables the construction of large spans in bridges and viaducts when other construction systems are limited by these large span lengths between pillars.
Capable of executing both in-situ and precast segments.
It offers a significant reduction in time and costs compared to the construction of precast culverts.
It allows for horizontal movement of the shoring and formwork assembly, eliminating the need for assembly and disassembly after each concreting cycle.
Features
Composed of ROHR trusses, tubes, metal profiles, accessories and ROHR formwork for the slabs and walls of the voussoirs.
Load capacity: 150 to 200 tons/segment. Dimensions vary according to the design of the segments.
For dimensions and loads of special segments, please consult our team of engineers.
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