Example of Mix design proportion calculation You need to design the mix proportion of a grade 40 for a column with workability of 50 mm slump and w/c not more than 0.55. The maximum size of gravel aggregate is 10 mm and the fine aggregate is quarry blast sand. The moisture content of the aggregate is as follow: The gravel aggregate is in moist condition with moisture content of =3.5%, dry density = 1700 kg/m³ The sand is in moist condition with saturated surface dry density = 2600 kg/m³. Percent passing at 600um =35%,water absorption = 0.5%, mc = 6% Aggregate relative combined density (saturated surface dry) = 2.60 Cement used is Sulfate Resistance because part of column is in soil identified to contain sulfate
Example of Mix design proportion calculation You need to design the mix proportion of a grade 40 for a column with workability of 50 mm slump and w/c not more than 0.55. The maximum size of gravel aggregate is 10 mm and the fine aggregate is quarry blast sand. The moisture content of the aggregate is as follow: The gravel aggregate is in moist condition with moisture content of =3.5%, dry density = 1700 kg/m³ The sand is in moist condition with saturated surface dry density = 2600 kg/m³. Percent passing at 600um =35%,water absorption = 0.5%, mc = 6% Aggregate relative combined density (saturated surface dry) = 2.60 Cement used is Sulfate Resistance because part of column is in soil identified to contain sulfate
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Example of Mix design proportion calculation
You need to design the mix proportion of a grade 40 for a column with workability of 50
mm slump and w/c not more than 0.55. The maximum size of gravel aggregate is 10 mm
and the fine aggregate is quarry blast sand. The moisture content of the aggregate is as
follow:
The gravel aggregate is in moist condition with moisture content of =3.5%, dry density
1700 kg/m³
The sand is in moist condition with saturated surface dry density = 2600 kg/m³. Percent
passing at 600um =35%,water absorption = 0.5%, mc = 6%
Aggregate relative combined density (saturated surface dry) = 2.60
Cement used is Sulfate Resistance because part of column is in soil identified to contain
sulfate](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbdc3e65d-d3b1-4165-8471-baa4c2266f1e%2Ff7854d6c-c86e-40c4-a239-7c3156826ed5%2F5wnmyma_processed.png&w=3840&q=75)
Transcribed Image Text:Example of Mix design proportion calculation
You need to design the mix proportion of a grade 40 for a column with workability of 50
mm slump and w/c not more than 0.55. The maximum size of gravel aggregate is 10 mm
and the fine aggregate is quarry blast sand. The moisture content of the aggregate is as
follow:
The gravel aggregate is in moist condition with moisture content of =3.5%, dry density
1700 kg/m³
The sand is in moist condition with saturated surface dry density = 2600 kg/m³. Percent
passing at 600um =35%,water absorption = 0.5%, mc = 6%
Aggregate relative combined density (saturated surface dry) = 2.60
Cement used is Sulfate Resistance because part of column is in soil identified to contain
sulfate
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