b) The following mix proportions by dry aggregate was determined in a laboratory for 25 Mpa concrete: (10 Marks) Water :

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b) The following mix proportions by dry aggregate was determined in a laboratory for 25 Mpa concrete: (10 Marks) Water :

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b) The following mix proportions by dry aggregate was determined
in a laboratory for 25 Mpa concrete: (10 Marks)
Water : 220 l/m³
Cement : 360 kg/m³
Sand : 1150 kg/m³
Stone : 700 kg/m³
The following information is given pertaining to site
conditions: Moisture content of Stone: 1.2 % Moisture content of
sand : 5 % by dry mass • Determine the total amount of water
required in the mix considering the moisture in the sand and stone.
• How will the amount of water be affected based on the answer
calculated above?
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