The VRB truss girder is mainly used in bridge construction as shhoring of spans from 25 up to 40 m. It is characterized in particular by its extremely high load-bearing capacity – up to 3.000 kNm – at a relatively low dead weight.
Efficient use of materials Accelerated construction processes throug reduced amount of trusses due to high load bearing capacity.
Quick length adjustment Simple adjustment of the truss lengths to suit changing span widths with a minimum of different frames
High degree of safety Integrable solutions for working platforms and access means with the PERI UP modular scaffold
Developed for spans up to 40 m and a permissible bending moment of 3000 kNm
Through the combination of different frame lengths and the telescopic function of the support frame, all spans can be fully realized and any installation tolerances on the supports can be compensated
The system consists of different types of load and length optimized frames, which enable to continuously create every span with the corresponding combination.
A distinction is made between
Bearing Frame for transferring the loads into the heavy-duty shoring towers
Coupling Joint Frame for higher shear forces close to the support as well as for use at intermediate supports and coupling joints
Standard Frame for use in the middle span
Standardized and centric connection of horizontal and vertical bracings enable optimal utilization of the load bearing capacity and lead to efficient material input.
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The VARIOKIT heavy-duty truss system with the variable starting frame has set new standards in shoring operations. It reduces the amount of assembly work required especially for inclined supporting structures. The accuracy of fit as well as aligning the pairs of trusses also make a convincing case.