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Finger joint dovetails bridge, highway demands

The Wabo Trident Finger Joint System is designed and built to handle movements and rotation about all axes, as opposed to a standard alternative that is limited to longitudinal, and in some cases, vertical movements. Along with its unique ability to accommodate transverse movement, the system can also handle large movements, including seismic events, and restore its original position via internal torsional spring components. The advanced system design also allows the Wabo Trident to be installed quickly with minimal downtime and lane closures.

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High performance pipe machinery

The Prinzing-Pfeiffer Radial Press RP Concrete Pipe Machine manufactures product up to 2,500 mm (8.33 ft.) diameter in lengths to 6,000 mm (20 ft.). Among key features:

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Con Cast, Jensen premier Schlüsselbauer’s HDPE lining technology

Schlüsselbauer North America has recently introduced The Perfect Technology for wet cast concrete pipe and manholes, enabling U.S. and Canadian drainage structure producers to add high density polyethyene-lined offerings for sanitary sewer and aggressive applications. The manufacturer presents Perfect Pipe as an ideal combination of HDPE conduit and high strength concrete structure, fulfilling essential demands for effluent disposal. Lined pipe exhibits resistance to chemical attack; static load capacity, including in vehicle traffic conditions; and, ease of handling on site.

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Processor grades calcium carbonate for fly ash substitution, SCC

Huber Carbonates launched a series of ground calcium carbonates earlier this year at The Precast Show in Denver, underscoring the powders’ capacity to replace fly ash; improve concrete mix workability; contribute to self-consolidating mix spread profile; and, maintain consistent white color without impacting fresh or hardened concrete properties.

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Wells Concrete enlists UltraSpan in hollow core production upgrade

Wells Concrete has been a leading developer, producer and erector of architectural and structural precast concrete across the Upper Midwest for 60-plus years. When weighing the market outlook, management questioned the capabilities of its Minnesota hollow core production line to competitively pace plank demand in the region.

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