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Q. What is the ultimate objective in proportioning the ingredients in concrete? A. To find the combination of cementitious material, water, and aggregate that meets the requirements of a particular structure, portion of a structure, or series of structures at least cost. Correct proportioning should produce concrete with: - Adequate workability for proper mixing, transporting, placing, consolidating, and finishing. - Adequate strength, resistance to degradation, and dimensional stability for the purpose intended. References: SP-1(02); ACI PRC-211.1-22; ACI PRC-211.4R-08; ACI PRC-211.7-20; ACI PRC-211.6T-14 Topics in Concrete: Concrete Fundamentals; Mixture Proportioning; Specifications
Q. What is the ultimate objective in proportioning the ingredients in concrete?
A. To find the combination of cementitious material, water, and aggregate that meets the requirements of a particular structure, portion of a structure, or series of structures at least cost. Correct proportioning should produce concrete with:
- Adequate workability for proper mixing, transporting, placing, consolidating, and finishing.
- Adequate strength, resistance to degradation, and dimensional stability for the purpose intended.
References: SP-1(02); ACI PRC-211.1-22; ACI PRC-211.4R-08; ACI PRC-211.7-20; ACI PRC-211.6T-14
Topics in Concrete: Concrete Fundamentals; Mixture Proportioning; Specifications