Supplemental HW3 - CCEV360-04 Dillon Gauthier Supplemental...

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CCEV360-04 February 20, 2008 Dillon Gauthier Supplemental Home Problems No. 3 SCM.1 Flyash – Waste material obtained from coal-burning power plants Class F: Flyash from plants burning pulverized anthracite or bituminous coal. Class C: From plants burning pulverized lignite or sub- bituminous coal. SCM.2 Flyash aids in the workability of concrete. Better workability means easy pumping. Sulphate attack and alkali-aggregate reactions are improved. SCM.3 Max replacement: Class F: 25% Replacement Class C: 40% Replacement – Higher percentage allowed because of the high calcium content, which aids in strength. SCM.4 Slag: A byproduct of the refinement of iron ore. It is ground to a fine powder, and mixed with Portland Cement at the concrete plant. Type H: Hydraulic slag has significant cementitious properties. Type G: Slag that has been cooled too quickly, resulting in less significant cementitious properties. SCM.5
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This homework help was uploaded on 04/07/2008 for the course CCEV 360 taught by Professor Lambrechts during the Spring '08 term at Wentworth Institute of Technology.

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Supplemental HW3 - CCEV360-04 Dillon Gauthier Supplemental...

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