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Masonry

The document provides detailed specifications for various concrete mixtures, including proportions of cement, sand, and gravel for different classes. It also includes calculations for masonry requirements, such as the number of concrete hollow blocks (CHB) needed and the volume of materials required for cement plaster. Additionally, it contains information on regular polygons and their properties, as well as the volume of concrete and associated material quantities.

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Vincent Joshua De
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30 views4 pages

Masonry

The document provides detailed specifications for various concrete mixtures, including proportions of cement, sand, and gravel for different classes. It also includes calculations for masonry requirements, such as the number of concrete hollow blocks (CHB) needed and the volume of materials required for cement plaster. Additionally, it contains information on regular polygons and their properties, as well as the volume of concrete and associated material quantities.

Uploaded by

Vincent Joshua De
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
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Cement Sand Gravel

Mixture Class Proportion


40 kg 50 kg cu.m cu.m
AA 12 9.5 0.5 1 [1:1(1/2):3]
A 9 7 0.5 1 [1:2:4]
B 7.5 6 0.5 1 [1:2(1/2):5]
C 6 5 0.5 1 [1:3:6]
Value = 25 inch
1 inch = 12 ft. Converted 300
1 inch = 25 mm Converted 625
1 inch = 2.5 cm Converted 62.5
1 inch = 0.025 m Converted 0.625
Thickness = 100 m
Width = 33.5 m
Length = 2m

Area = 67 sq.m 67
Height = 100 m

Volume = 6700 cu.m

MASONRY
Table 2-2
1 sq.m = 12.5 pieces CHB
Size of CHB in cm
h of block = 0.2
l of block = 0.4 10x20x40 12.5
By Area Method 15x20x40 12.5
Area = 67 sq.m 20x20x40 12.5
No. of CHB = 838 pcs. 10x20x40
Cement = 54
Sand = 3
15x20x40
Cement = 103
Sand = 6
20x20x40
Cement = 152
Sand = 9
Cement Plaster
Volume Method Class Proportion Cement B
Table 2-1
Area = 67 sq.m Mixture 40kg
Volume = 0.804 cu.m 12 A [1:2] 18
Cement = 10 bags B [1:3] 12
Sand = 0.804 cu.m 0.012 C [1:4] 9
D [1:5] 7.5
Regular Polygons
C= 60 degrees
n= 6
I= 180 degrees

E= 60 degrees

Polygons
n= 6 Interior = 720
Exterior = 360
Diagonals = 9

Area of Polygons
n= 6 Perimeter, P = 150
s= 25 Apothem, a = 0.541
A= 40.575 m2
h= 1.25
V= 50.71875 m3
Volume of Concrete = 6700 cu.m 12
Cement, 40 & 50 kg = 7.5 9
Volume of Cement = 50250 bags 7.5
Volume of Sand = 3350 cu.m 6
Volume of Gravel = 6700 cu.m 9.5
7
6
5

CONCRETE

ASONRY
Bags of Cement
A B C D Sand cu.m
0.792 0.522 0.394 0.328 0.0435
1.526 1.018 0.763 0.633 0.0844
2.260 1.5 1.125 0.938 0.1250

54 35 27 22 bags
3 cu.m

103 69 52 43 bags
6 cu.m

152 101 76 63 bags


9 cu.m
Cement Plaster
Cement Bags Sand 18 0.008
50kg cu.m 12 0.012
14.5 1 9 0.016
9.5 1 7.5 0.02
7 1 14.5 0.025
6 1 9.5
7
6

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