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Concrete Mix Percentages

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Questions and Answers

Which material occupies the largest percentage of the total volume of concrete?

Water

Air

Fine Agg (correct)

Cement

What is the density of normalweight concrete?

1120 - 1840 kg/m3

3200 - 5600 kg/m3

1840 - 3200 kg/m3

2320 kg/m3 (correct)

Which type of Portland Cement has moderate sulphate resistance and low heat of hydration?

Type 3

Portland blast-furnace slag

Type 1

Type 2 (correct)

What is the nominal maximum size of coarse aggregate in concrete?

1/5 of the narrowest dimension of sides Signup and view all the answers

What is the thermal expansion of concrete in microns per m per degree Celsius?

0.00010 - 0.00013 Signup and view all the answers

Which type of concrete has a density range of 3200 - 5600 kg/m3?

Heavyweight concrete Signup and view all the answers

What is the percentage of water in concrete mix?

16% Signup and view all the answers

What is the thermal expansion of steel in microns per m per degree Celsius?

0.00012 Signup and view all the answers

Which category of Portland Cement is suitable for seawater construction?

Portland blast-furnace slag Signup and view all the answers

What is the percentage of fine aggregate in concrete mix?

26% Signup and view all the answers