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Questions / { hiten }
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pls can some one tell me details of coloumn shuttering like at what distance the supports should be palace and no. of supports
1 Civil Engineering 4869
Answers / { hiten }
how to find out the quantity of cement sand and aggregate
in slab and flooring
Answer
den for eg.
a) For 1 m3 of concrete Mix 1:2:4 (M15)
Add 50% for wet concrete = 1.50 m3 or 1.52 m3 or1.55 m3
= 1.50/(1+2+4) = 0.214 m3
For 1 m3 = 30 bags of cement required (1440/50) say 30 bags
Cement = 0.214 x 30 = 6.42 bags
Sand = 0.214 x 2 = 0.428 m3
Aggregate = 0.214 x 4 = 0.856 m3
| Is This Answer Correct ? | 8 Yes | 4 No |
Question { 5331 }
concrete mix design for M 30 Grade
Answer
Cement : 380 Kg/ M3
20 mm Jelly : 654 Kg/ M3
12.5 mm Jelly : 436 Kg/ M3
River sand : 760 Kg/ M3
Total water : 187 Kg/ M3
Admixture : 0.7%
Fresh concrete density: 2420 Kg/ M3
Note: Sand = 760 Kg with 2% moisture (170.80+15.20)
| Is This Answer Correct ? | 2 Yes | 2 No |
how do we calculate the quantity cement,sand, & aggregate
for M20,M15 for 10cum.
Answer
Add 50% for wet concrete = 1.50 m3
= 1.50/(1+2+4) = 0.214 m3
For 1 m3 = 30 bags of cement required (1440/50) say 30 bags
Cement = 0.214 x 30 = 6.42 bags
Sand = 0.214 x 2 = 0.428 m3
Aggregate = 0.214 x 4 = 0.856 m3
| Is This Answer Correct ? | 8 Yes | 3 No |
