We require a mix with a mean 28-day compressive strength of 40 MPa the size of the member and the spacing of the reinforcement require a slump of 45 mm and a maximum size of aggregate of 28 mm. Portland cement type I is used with specific gravity of 3.15, dry-rodded unit weight of coarse aggregate 1750 kg/m³ and bulk specific gravity (SSD) of 2.55. The fineness modulus of fine aggregate is 2.8 and bulk specific gravity (SSD) of 2.5 ,No air entrainment is required. Neglect water absorption and moisture content of both aggregates. The aggregates conform to the ASTM C33-84 requirements for grading. Estimate the quantity of (cement, fine aggregate, coarse aggregate and water) for 1m³ concrete.
We require a mix with a mean 28-day compressive strength of 40 MPa the size of the member and the spacing of the reinforcement require a slump of 45 mm and a maximum size of aggregate of 28 mm. Portland cement type I is used with specific gravity of 3.15, dry-rodded unit weight of coarse aggregate 1750 kg/m³ and bulk specific gravity (SSD) of 2.55. The fineness modulus of fine aggregate is 2.8 and bulk specific gravity (SSD) of 2.5 ,No air entrainment is required. Neglect water absorption and moisture content of both aggregates. The aggregates conform to the ASTM C33-84 requirements for grading. Estimate the quantity of (cement, fine aggregate, coarse aggregate and water) for 1m³ concrete.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:We require a mix with a mean 28-day compressive strength of 40 MPa
the size of the member and the spacing of the reinforcement require a
slump of 45 mm and a maximum size of aggregate of 28 mm. Portland
cement type I is used with specific gravity of 3.15, dry-rodded unit
weight of coarse aggregate 1750 kg/m³ and bulk specific gravity (SSD)
of 2.55. The fineness modulus of fine aggregate is 2.8 and bulk specific
gravity (SSD) of 2.5 ,No air entrainment is required. Neglect water
absorption and moisture content of both aggregates. The aggregates
conform to the ASTM C33-84 requirements for grading. Estimate the
quantity of (cement, fine aggregate, coarse aggregate and water) for 1m³
concrete.
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