11. The cement, coarse aggregate, fine aggregates, and fly ash from the concrete laboratories are described below: Cemen
Posted: Thu May 05, 2022 12:09 pm
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11. The cement, coarse aggregate, fine aggregates, and fly ash from the concrete laboratories are described below: Cement: Type I-II SG = 3.15 Coarse Aggregate: 3/4" top size Dry Rodded Unit Weight = 92.0 lb/ft³ BSG = 2.54 Fine Aggregate: BSG = 2.58 Fineness Modulus = 2.44 Natural Pozzolan: SG = 1.92 Proportion an air-entrained (Mild Exposure to freeze/thaw) concrete mixture with a water-cement ratio of 0.40 using a target slump of 1 to 2 inches. Use 25% replacement of cement with natural pozzolan. You do not have to adjust for moisture. (30 points)