mix design
The most economical selection and proportioning of cement, water, and aggregate to produce concrete or mortar having the required properties of workability, strength, durability, and watertightness. (Ching, 1995)
The most economical selection and proportioning of cement, water, and aggregate to produce concrete or mortar having the required properties of workability, strength, durability, and watertightness. (Ching, 1995)