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Civil Engineering Systems

VARIOKIT Balanced Cantilever Carriage VBC

Construction of superstructures using the balanced cantilever method – fast and dimensionally-accurate
The PERI solution for the cantilever method is a combination of specifically developed system components and VARIOKIT standard parts.
With optimized components of the balanced cantilever equipment, up to 5.75 m long segments can be concreted. In addition, VARIOKIT system components are used. As a result, PERI achieves maximum adaptability for different bridge cross-sections.
For the realization of the motorway bridge near Tarnow, the construction team achieved a 4 to 5 -day cycle thanks to the easy-to-use mechanical solution. At the same time, the requirements regarding the very low tolerances for the variable bridge cross-section could be fulfilled.
The combinability of the balanced cantilever equipment with the PERI UP modular scaffold allows – as part of the comprehensive PERI project solution – modular working platforms and access to all working areas. With a minimum of effort for the construction team, the modular scaffolding can easily be connected to VARIOKIT standard components using simple connection means.
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Overview

The PERI VARIOKIT solution for the cantilever method is a combination of stable, specifically developed system components for the main load transfer and VARIOKIT standard parts for the design of formwork, work scaffolding and platforms, as well as adjustment to the geometry of the cross-section.

Customized solution
Load-optimized, rentable adaptation to the bridge geomety due to the construction kit principle

Easy and simple
Jobsite-compliant and efficient application with standardized modular construction system

Safe
Modular working platforms and access means to all working areas through a compatibility to the PERI UP scaffolding system

Technical Details

The balanced cantilever equipment transfers the fresh concrete loads into the supporting structure and moves the formwork from section to section. In order to accommodate the changes in the hollow box cross-section, a formwork solution consisting of VARIO girder wall formwork is used.

  • Concreting section weights up to 270 t using a standard application with two main frames
  • Section lengths up to 5.75 m possible
  • Maximum adaptability for transverse and longitudinal inclinations
  • For use in radii and spiral curves
  • Weight optimization due to a high level of material utilization
  • Exact, dimensionally-accurate concreting results through automatically setting up by means of integrated hydraulics
  • All modules can be re-used without any further processing

Reference projects

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PERI project - Harpe Bru, Sør-Fron (Oppland), Norway
Mariusz Urbanski
Construction Manager

The chosen solution of using VBC Balanced Cantilevered Carriages proved itself to be correct. Thanks to the high flexibility of the system, we could optimize our project so that the workload necessary to pour each segment was as short as possible. It also had a measurable influence on the assumed schedule.

Project report
Malinowski, Site Manager: Bridge over the Dunajec, Tarnow, Poland
Karol Malinowski
Site Manager

The PERI cantilevered construction solution provided us with many advantages: fast realization due to the well thought-out and easy handling as well as compliance with the required tolerances thanks to the practical formwork adjustment which allowed very accurate construction of the webs. In addition, the compatibility with PERI UP facilitated safe access means and working areas without any extra time and effort - indispensable for the execution of such a project.

Project report
Artur Salachna, Foreman, and Krzysztof Goliński, Bridge Construction Manager
Artur Salachna | Krzysztof Goliński
Foreman | Bridge Construction Manager

The PERI cantilevered construction equipment used allowed easy and quick formwork alignment as well as providing safe working conditions above the railway. With the help of the balanced cantilever carriage, extremely short concreting cycles as well as punctual realization of the project according to plan are possible. Thanks to the cooperation with PERI, the job could be realized in spite of the complicated infrastructure around the structure.

Project report

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