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Cold Concrete

American Municipal Power (AMP) is well into its fourth major hydroelectric upgrade project on several of its Ohio River locations at a site near St Mary’s, W.Va., known as Willow Island. The concrete portion of the project was started last summer and encompasses the upgrading of the hydropower generating station as part of AMP’s long-term sustainable power—hydro, wind and solar—upgrading program. Cleveland area-based The Ruhlin Company was awarded the project, which includes the production of high-performance concrete to be placed at a temperature of no more than 55°F (12.7°C).

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Processor derives GGBF slag-level performance from fly ash

Texas-based VHSC Cement has introduced a concrete binder, PozzoSlag 1.2, citing its potential for 50 percent or higher portland cement replacement, plus performance characteristics including early set times and long-term strength development.

Read more: Processor derives GGBF slag-level performance from fly ash