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A trial mix is required for a concrete slab being constructed that is exposed to freezing and thawing as well as deicing agents. The trial mix design strength is 32 MPa (including overdesign) with a 75 mm slump. For the sand; FM = 2.60 and its absorption is 1.6%. The coarse aggregate has a nominal size of 25 mm with an absorption of 2.1% and a dry rodded density of 1560 kg/m³. Determine the mix design amounts for the concrete if the coarse aggregate contains 4% water. (keep all calculations and answers to one decimal place except where indicated. That is, round to one decimal place) Design Water = kg/m3 Water to Cement (W/CM) ratio = (two decimal places) Cement Content = kg/m3 Volume of coarse aggregate per unit volume of concrete = (two decimal places) Estimated total mass of concrete = kg/m3 Design mass of coarse aggregate = kg/m3 Actual mass of coarse aggregate = kg/m3 Actual mass of fine aggregate = kg/m3 Actual mass of water added = kg/m3

A trial mix is required for a concrete slab being constructed that is exposed to freezing and thawing as well as deicing agents. The trial mix design strength is 32 MPa (including overdesign) with a 75 mm slump. For the sand; FM = 2.60 and its absorption is 1.6%. The coarse aggregate has a nominal size of 25 mm with an absorption of 2.1% and a dry rodded density of 1560 kg/m³. Determine the mix design amounts for the concrete if the coarse aggregate contains 4% water. (keep all calculations and answers to one decimal place except where indicated. That is, round to one decimal place) Design Water = kg/m3 Water to Cement (W/CM) ratio = (two decimal places) Cement Content = kg/m3 Volume of coarse aggregate per unit volume of concrete = (two decimal places) Estimated total mass of concrete = kg/m3 Design mass of coarse aggregate = kg/m3 Actual mass of coarse aggregate = kg/m3 Actual mass of fine aggregate = kg/m3 Actual mass of water added = kg/m3

Structural Analysis
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 trial mix is required for a concrete slab being constructed that is exposed to freezing and thawing as well as deicing agents. The trial mix design strength is 32 MPa (including overdesign) with a 75 mm slump. For the sand; FM = 2.60 and its absorption is 1.6%. The coarse aggregate has a nominal size of 25 mm with an absorption of 2.1% and a dry rodded density of 1560 kg/m³. Determine the mix design amounts for the concrete if the coarse aggregate contains 4% water. (keep all calculations and answers to one decimal place except where indicated. That is, round to one decimal place) Design Water = kg/m3 Water to Cement (W/CM) ratio = (two decimal places) Cement Content = kg/m3 Volume of coarse aggregate per unit volume of concrete = (two decimal places) Estimated total mass of concrete = kg/m3 Design mass of coarse aggregate = kg/m3 Actual mass of coarse aggregate = kg/m3 Actual mass of fine aggregate = kg/m3 Actual mass of water added = kg/m3
Transcribed Image Text:A trial mix is required for a concrete slab being constructed that is exposed to freezing and thawing as well as deicing agents. The trial mix design strength is 32 MPa (including overdesign) with a 75 mm slump. For the sand; FM = 2.60 and its absorption is 1.6%. The coarse aggregate has a nominal size of 25 mm with an absorption of 2.1% and a dry rodded density of 1560 kg/m³. Determine the mix design amounts for the concrete if the coarse aggregate contains 4% water. (keep all calculations and answers to one decimal place except where indicated. That is, round to one decimal place) Design Water = kg/m3 Water to Cement (W/CM) ratio = (two decimal places) Cement Content = kg/m3 Volume of coarse aggregate per unit volume of concrete = (two decimal places) Estimated total mass of concrete = kg/m3 Design mass of coarse aggregate = kg/m3 Actual mass of coarse aggregate = kg/m3 Actual mass of fine aggregate = kg/m3 Actual mass of water added = kg/m3
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