How do you derive the quantity of cement & sand in brick work construction

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How do you derive the quantity of cement & sand in brick work
construction in 1Meter cube, using CM 1:6 and bricks of size
19*9*9 cm

Question Posted / v.s.potti

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How do you derive the quantity of cement & sand in brick work construction in 1Meter cube, usi..

Answer / sag

Volume of bricks with mortar=.2*.1*.1=.002
No of bricks=1/.002=500
Volm of 500 bricks=.19*.1*.1=.7695
Volume of mortar=1-.7695=.2305
Add 15% for wastage and 30% for dry mortar
Now volume of plaster=.2305+.2305*.15+.2305*.3=.334
1:6 cement and sand 1+6=7
Volume of cement=1/7*.334=.048m3=1.36 beg
Volume of sand= .048*6=.288m3

Is This Answer Correct ?

33 Yes

5 No

How do you derive the quantity of cement & sand in brick work construction in 1Meter cube, usi..

Answer / mandeep thakur

By this Formula we can Work out roughly, But Not 100%
Correct
0.3*28.8/sum of Ratio e.g(1:4 is equal 1+4=5
than .3*28.8/5 Only For brick Work.

Is This Answer Correct ?

9 Yes

5 No

How do you derive the quantity of cement & sand in brick work construction in 1Meter cube, usi..

Answer / prakash

3/1+6=0.42 cum cement and 2.57cum sand required ,brick for 1
cm is 500 nos