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Epa Opens Comment Period On Coal Ash Designation, Disposal Rule

In the June 21 Federal Register, EPA formally proposes a rule maintaining provisions for beneficial use of fly ash in concrete and other construction materials, but significantly tightening existing regulations’ treatment of nonconstruction-grade coal ash

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Simem Develops 0.5—3.5 Yd. Mobile Plants

Introduced at bauma 2010 in Munich, the Jumper series of small mobile concrete plants is engineered for standard trailer transport or delivery in 40-ft. containers, plus setup and operation without need for foundations

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Taylor Concrete Lowers Cmu Cement Content, Raises Load-Bearing Capacity

Upstate New York producer Taylor Concrete pinpoints GGBF slag as a means of reducing block and brick unit mix designs’ portland cement by 20 percent, but increasing finished products’ net area compressive strength nearly 50 percent over ASTM C 90 requirements

Read more: Taylor Concrete Lowers Cmu Cement Content, Raises Load-Bearing Capacity