Calculate the quantities of cement, water, and fine aggregate and coarse aggregate per trial mix of 0.07 m3 for the following specifications. • Characteristic compressive strength = 50 MPa at 28 days; S=5 MPa • Cement Type I; Slump required = 30-60 mm; • Max. Aggregate size = 10 mm; • Coarse aggregate CRUSHED (10 mm), •Fine aggregate CRUSHED (85% pass 600 microns) • Maximum allowable free - water/cement ratio 0.50; • Maximum allowable cement content = 550 kg/m3

Calculate the quantities of cement, water, and fine aggregate and coarse aggregate per trial mix of 0.07 m3 for the following specifications. • Characteristic compressive strength = 50 MPa at 28 days; S=5 MPa • Cement Type I; Slump required = 30-60 mm; • Max. Aggregate size = 10 mm; • Coarse aggregate CRUSHED (10 mm), •Fine aggregate CRUSHED (85% pass 600 microns) • Maximum allowable free - water/cement ratio 0.50; • Maximum allowable cement content = 550 kg/m3

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A concrete mix with a 75 mm slump, w/c ratio of 0.50, and sand with a fine-ness modulus of 2.4 contains 1009 kg/m3 of coarse aggregate. Compute therequired mass of coarse aggregate per cubic meter. To adjust the mix so as toincrease the compressive strength, the water–cement ratio is reduced to 0.45.Will the quantity of coarse aggregate increase, decrease, or stay the same?Explain your answer.
A concrete mix with a 75 mm slump, w/c ratio of 0.50, and sand with a fineness modulus of 2.4 contains 1009 kg/m3of coarse aggregate. Compute the required mass of coarse aggregate per cubic meter. To adjust the mix so as to increase the compressive strength, the water–cement ratio is reduced to 0.45. Will the quantity of coarse aggregate increase, decrease, or stay the same? Explain your answer.
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Given the following data: Slump Requirement = 4" ements Max. Aggregate Size = 1.0" nts Water/cement Ratio = 0.55 Mass of Cement = 350.91 kg/m³ Mass of the Coarse Aggregates = 1072 kg/m³ Total Mass of the Concrete = 2375 kg/m³ Compute for the mass of Fine Aggregates.
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