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High Performance for Bridge Pier Construction
PERI recently presented the VARIOKIT Pier System (VPS), a system which aims to revolutionize bridge construction. The company is setting a new standard in bridge construction with the introduction of the VPS. It brings together safety and efficiency to provide a versatile, high-performance system for the construction of bridge piers and pier caps. The system is based on the VARIOKIT Engineering Construction Kit, which means that almost all project requirements can be met using rentable solutions. Initially, the VPS system will only be available in the U.S., but further market launches are planned. “PERI USA prides itself on the power of innovation and the importance of continuous improvement. The VPS was developed to change the industry’s approach to bridge construction,” said Strydom Groenewald, CEO of PERI USA. “Our company’s new product comes at a crucial time as states prepare to develop and improve infrastructure. They now have a powerful new tool in their toolbox.” The system is used in 2 configurations. On the one hand, VPS in the VARIOKIT Speed Stage (VSS) configuration is intended for the construction of pier caps. In this case, the use of shoring from below is not necessary. In addition to preassembly from a safe position on the ground, this configuration impresses with its innovative split-soffit striking method. This speeds up the cycle times significantly, which means that even fewer formwork sets need to be kept in stock compared to existing methods. The VSS combines the advantages of the classic methods of self-spanning formwork and a traditional dancefloor systems, but at the same time compensates for their disadvantages. With VSS, for example, the side formwork can be cycled already the day after concreting, and the previous reinforcement work can also be carried out conveniently. In addition, the innovative and fast split-soffit striking method can remove the dancefloor cycling off the critical path. The result: Pure efficiency through lower material requirements and shorter cycle times. In addition, VSS offers a high level of safety across all work steps. Starting with integrated systematic safety through the use of PERI UP scaffolding components for working platforms, to the lifting of completely equipped platforms right through to striking from a safe position. It also stands out due to its particularly fast handling characteristics. Thanks to the X-Bolt connections and fitting pins, all work can be carried out intuitively and quickly. The VSC’s integrated attachment points ensure safe work processes even in exposed places. The anchorless design as well as X-Bolt and T-Bolt connections ensure efficient handling. For even more efficiency, PERI InSite pressure sensors provide real-time concrete pressure monitoring so that the permissible concrete pressure of up to 95 kN/m2 can be utilized in real terms and concreting can be carried out correspondingly quickly.
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The second configuration is the VARIOKIT Speed Column (VSC), which is mainly suitable for the construction of bridge piers and large columns. The system is based on the same components as the Speed Stage configuration and allows the construction of column cross-sections up to 2.25 m x 2.25 m in 5 cm increments for up to 95 kN/m2 (2000 psf) without ties. Further features such as the possibility of integrating PERI InSite Construction pressure sensors as well as “sharp” formlining joints, lead to high-quality concreting results.
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