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3) The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition, 582 kg/m3 of sand in dry condition, and 157 kg/m3 of free water required. The gravel available at job site has a moisture content of 0.8 % and absorption of 1.5 %, and the available sand has a moisture content of 1.1 % and absorption of 1.3 %. Determine:

3) The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition, 582 kg/m3 of sand in dry condition, and 157 kg/m3 of free water required. The gravel available at job site has a moisture content of 0.8 % and absorption of 1.5 %, and the available sand has a moisture content of 1.1 % and absorption of 1.3 %. Determine:

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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3) The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition, 582 kg/m3 of sand in dry condition, and 157 kg/m3 of free water required. The gravel available at job site has a moisture content of 0.8 % and absorption of 1.5 %, and the available sand has a moisture content of 1.1 % and absorption of 1.3 %. Determine: - the masses of gravel, sand and water per cubic meter that should be used at job site and the theoretical unit weight of the mix. - Assume that the same volume of dry coarse aggregate was replaced by dry lightweight aggregate of low bulk specific gravity (0.6 g/cm3) and M=5%, A=5%. What would be the new theoretical unit weight ?
Transcribed Image Text:3) The design of a concrete mix requires 1173 kg/m3 of gravel in dry condition, 582 kg/m3 of sand in dry condition, and 157 kg/m3 of free water required. The gravel available at job site has a moisture content of 0.8 % and absorption of 1.5 %, and the available sand has a moisture content of 1.1 % and absorption of 1.3 %. Determine: - the masses of gravel, sand and water per cubic meter that should be used at job site and the theoretical unit weight of the mix. - Assume that the same volume of dry coarse aggregate was replaced by dry lightweight aggregate of low bulk specific gravity (0.6 g/cm3) and M=5%, A=5%. What would be the new theoretical unit weight ?
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