Water Absorption Calculations Table 1 shows the proportions of concrete making materials required to produce a batch of concrete meeting a standard strength grade of 40 MPa. Using the data given in Table 1, determine: • Mass of water in coarse aggregate (round to the whole number).

Structural Analysis
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Author:KASSIMALI, Aslam.
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Water Absorption Calculations
Table 1 shows the proportions of concrete making materials required to produce a batch of concrete meeting
a standard strength grade of 40 MPa. Using the data given in Table 1, determine:
• Mass of water in coarse aggregate (round to the whole number).
Table 1: Proportions of concrete making materials required to produce batch of concrete
Absorption
capacity (%)
Raw
Material density
(kg/m)
Required
Mass (kg)
Moisture
content (%)
Materials
Portland cement
3150
450
Water
1000
170
Admixture
1100
4
2.00
750 (as supplied)
1000 (as supplied)
1.0
Fine aggregate
Coarse aggregate
2600
2700
0.6
1.50
Select one:
O a. 8 kg
O b. 7 kg
O c. 6 kg
O d. 5 kg
Transcribed Image Text:Water Absorption Calculations Table 1 shows the proportions of concrete making materials required to produce a batch of concrete meeting a standard strength grade of 40 MPa. Using the data given in Table 1, determine: • Mass of water in coarse aggregate (round to the whole number). Table 1: Proportions of concrete making materials required to produce batch of concrete Absorption capacity (%) Raw Material density (kg/m) Required Mass (kg) Moisture content (%) Materials Portland cement 3150 450 Water 1000 170 Admixture 1100 4 2.00 750 (as supplied) 1000 (as supplied) 1.0 Fine aggregate Coarse aggregate 2600 2700 0.6 1.50 Select one: O a. 8 kg O b. 7 kg O c. 6 kg O d. 5 kg
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