B: Design a concrete mix to be used in a concrete substructure that subject to a moderate sulfate attack plus frost action. The design should be according to ACI 211-1-91and should fulfill the following requirements: (Use the volume method in your solution) 1. Fc at 28 days = 30 MPa. 2. The concrete slump = 50 = 5 mm. 3. Maximum size of coarse aggregate =12.5 with a density = 1650 kg/m³. 4. Maximum allowable w/c ratio is 0.48. 5. Fineness modulus of fme aggregate = 2.6. 6. The fime amd coarse aggregate used are im saturated surface dry condition (SSD).
B: Design a concrete mix to be used in a concrete substructure that subject to a moderate sulfate attack plus frost action. The design should be according to ACI 211-1-91and should fulfill the following requirements: (Use the volume method in your solution) 1. Fc at 28 days = 30 MPa. 2. The concrete slump = 50 = 5 mm. 3. Maximum size of coarse aggregate =12.5 with a density = 1650 kg/m³. 4. Maximum allowable w/c ratio is 0.48. 5. Fineness modulus of fme aggregate = 2.6. 6. The fime amd coarse aggregate used are im saturated surface dry condition (SSD).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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