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Civil Engineering

Motorway bridge over the Rio Sordo, Portugal

Motorway bridge over the Rio Sordo, Vila Real, Portugal - Up to 30 m high VARIOKIT VST heavy-duty shoring towers served as falsework for the construction of the bridge edge sections. Each leg carried a load of around 600 kN.
Motorway bridge over the Rio Sordo, Vila Real, Portugal - The VARIOKIT falsework was an important element of a comprehensive PERI formwork and scaffolding solution for the 412 m long motorway bridge which spans the Rio Sordo.
Motorway bridge over the Rio Sordo, Vila Real, Portugal - Both the superstructure formwork as well as the falsework were based on the VARIOKIT engineering construction kit.
Motorway bridge over the Rio Sordo, Vila Real, Portugal, The VST 100 head spindle allowed hydraulic lowering and lifting of up to 300 mm while under full load.
Motorway bridge over the Rio Sordo, Vila Real, Portugal - The 2.00 m wide shoring scaffold sections are connected longitudinally by means of heavy-duty spindles and push-pull props to form shoring towers.
Motorway bridge over the Rio Sordo, Vila Real, Portugal - VARIOKIT and PERI UP are two modular construction systems with a flexible metric grid pattern.
Motorway bridge over the Rio Sordo, Vila Real, Portugal -
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Project data

Location: Vila Real, Portugal

A4 motorway bridge across the Rio Sordo in the Marão mountains.

Design: Five-section bridge with two separate superstructures
Construction process: Cantilever method, edge spans on falsework
Overall length: 412 m

Requirements

  • enlargement of the superstructure from 16 m to 19.40 m
  • 72-m-long superstructure formwork with defined load transmission points for centre distances between 10 m and 24 m

Customer

INFRATÚNEL, Construtores do Túnel do Marão A.C.E., Porto

Customer's benefit

  • reduced material costs and assembly work for the falsework
  • maximum adaptability due to modular VARIOKIT system
  • rapid, project-oriented assembly
F. Paiva, A. Monteiro, J. Campos, P. Rosa, J. Marques, L. Fidalgo
Site Management

With the VST heavy duty tower we were able to adapt the support to the different heights. The assembly work was safe and quick thanks to the pre-assembled units.

PERI solution

  • 30-m-high falsework of VARIOKIT heavy duty towers
  • CB/VARIO climbing formwork for the piers
  • suspended SB brace frames for the pier tables
  • superstructure formwork and falsework for the four edge span sections based on VARIOKIT
  • safe access technology with PERI UP Rosett working scaffolding

PERI systems in use