A wall is to be plastered on both faces. Height=3m and length=4.8m. Estimate the materials needed for mixture class B if the design plaster thickness is 1/2".
Volume method:
Determine the volume of plaster needed:
Using Class B mix:(1:3)
| CLASS | PROPORTION | CEMENT | CEMENT | SAND |
|---|---|---|---|---|
40kg
|
50kg
| |||
A
|
1:2
|
18.0
|
14.5
|
1.0
|
B
|
1:3
|
12.0
|
9.5
|
1.0
|
C
|
1:4
|
9.0
|
7.0
|
1.0
|
D
|
1:5
|
7.5
|
6.0
|
1.0
|
Area Method:
| MIXTURE | 8mm | 12mm | 16mm | 20mm | 25mm |
|---|---|---|---|---|---|
CLASS
|
THK
|
THK
|
THK
|
THK
|
THK
|
A
|
0.144
|
0.216
|
0.288
|
0.360
|
0.450
|
B
|
0.096
|
0.144
|
0.192
|
0.240
|
0.300
|
C
|
0.072
|
0.108
|
0.144
|
0.180
|
0.225
|
D
|
0.060
|
0.090
|
0.120
|
0.150
|
0.188
|
SAND
|
0.008
|
0.012
|
0.016
|
0.020
|
0.025
|
Back to 3.0. Estimating Masonry
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