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Inner Strength

Afailing 144-in. corrugated metal pipe tunnel in Lewiston, Maine, was replaced with a reinforced concrete pipe (RCP) structure using an innovative installation method. The contractor, Diaz Corp. of Jay, Maine, devised the method to avoid having to excavate the pipe in place under existing and proposed streets, highway ramps and a railway line, sometimes at depths of 45 to 55 feet. Diaz had the choice of either pulling (by winch) or pushing the concrete pipe in place over a distance of 1,048 feet. Either way, there would be no digging involved, and the project could be scheduled and carried out during winter conditions.

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CTS Cement prevails in decade-long Ultimax patent litigation

Ending a 10-year-old patent litigation against CTS Cement Manufacturing, Cypress, Calif.-based producer of Rapid Set Cement, plus Chairman Edward Rice and a number of customers, U.S. District Court for the Central District of California Judge Andrew Guilford ruled that Rice and CTS have a shop right in the patent they allegedly infringed. The plaintiffs were Ultimax, Hassan Kunbargi, Heartland Cement Sales Co. and the K.A. Group.

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PCA’s Sullivan: 2012 shipments looking better than first forecast

Stronger than expected job creation and the beginning of an industry recovery means gains in real construction spending will materialize this year—after seven years of consecutive declines. According to the new forecast from Portland Cement Association, increases in cement consumption will follow. PCA revised its fall forecast upward from 1.1 percent, to a modest 3.7 percent increase in 2012 cement consumption, followed by a 7.6 percent jump in 2013 and a 14.1 percent surge in 2014.

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$500K settles claims of runway paving contractor’s alleged DBE fraud

Cleveland-based Anthony Allega Cement Contractor Inc. will pay the United States $500,000 to resolve Department of Justice allegations that it knowingly submitted false claims surrounding compliance with the U.S. Department of Transportation’s Disadvantaged Business Enterprise (DBE) program.

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CTS probes performance of new high early cement-fly ash microstructures

In research on hydrated calcium sulfoaluminate cement and fly ash mixtures, Rapid Set brand producer CTS Cement Manufacturing Corp. has discovered needle-like formations that grow radially and organize themselves as spines on round fly ash particles.

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