Answer / rajalakshmi m

M5 =1:5:10
M7.5=1:4:8
M10 =1:3:6
M15 =1:1.5:3
M20 =1:2:4
M25 =1:1:2

Answer / rohit singh

M5=1:5:10
M7. 5=1:4:8
M10=1:3:6
M15=1:2:4
M20=1:1. 5:3
M25=1:1:2
And above to grade m25 is also know as mix design use with admixture

Answer / teja

M 5 = 1:5:10
M 7.5 = 1:4:8
M 10 = 1:3:6
M 15 = 1:2:4
M 20 = 1:1.5:3
M 25 = 1:1:2
M 30 = 1:0.75:1.5
M 35 = 1:0.5:1
M 40 = 1: 0.25:0.5
M 45 = DESIGN MIX FOLLOWED

Answer / vinay patel

M5 =1:5:10
M7.6=1:4:8
M10=1:3:6
M15=1:2:4
M20=1:1.5:3
M25=1:1:2
M30,M35,M40 = MIX DESIGN

Answer / aadil bashir bakhari

M30 grade concrete which is having 30N/MM^2 Strength can be prepared from 1:1.43:2.21 where 1 is the cement,1.43 is sand and 2.21 is aggregate ratio
Admixture : FOSROC SP-400 ,1.2 % by the weight of cement

Answer / ganesh j

how to design concrete based on volumetrics type?

Answer / rahul kumar

anyone knows above M25?

Answer / sanjeev khizarpuria

M5 - 1:5:10
M7.5 - 1:4:8
M10 - 1:3:6
M15 - 1:2:4
M20 - 1:1.5:3
M25 - 1:1:2
M30,M35,M40 - Design Mix Followed

Answer / mene khan

M5=1:5:10
M10=1:3:6
M15=1:2:4
M20=1:1.5:3
M25=1:1.2:2.4

Answer / rohit glorious

m10 1:3:6
m15 1:2:3
m20 1:1.5:3
m25 1:1:2
m30 1:1:1.5
m35 1:1:1

08. 4 main points about check list for Shuttering works are––– 4 i) ii) iii) iv) 09. 4 main points about check list for Concreting works are––– 4 i) ii) iii) iv) 10. 4 main points about check list for Plaster works are––– 4 i) ii) iii) iv) 11. 4 main points about check list for Brick works are–– – 4 i) ii) iii) iv) 12. 3 main points about Project delaying factors are––– 3 i) ii) iii) 13. Write down 60-grade M.S. deformed bar specification. 3 14. 3000 psi concrete means: 1 15. 4 main points about methods of wastage control are–– – 4 i) ii) iii) iv) 16. 1 main point about reasons for your honesty is : 1 17. Water cement mixing in hopper less mixture machine is better than hopper mixture machine because: 1 18. 2 main points about your role during roof casting are–––– 2 i) ii) 19. a. The weight of 3333m deform bar of 24.5 mm dia is…… 1 b. The weight of 300 rft plain bar of dia 1 is……. 1 20. The types of slumps are––– 3 i) ii) iii) 21. 4 main points about the causes of cylinder failure are––– 2 i) ii) iii) iv) 22. Detection of a beam & a girder are–––– 2 i) ii) 23. Curing is needed for–––– 1 24. The types of slabs in respect of size & shape are––– 5 In respect of size: i) ii) In respect of Shape i) ii) iii) 25. The types of Column in respect of size & shape are–– – 9 In respect of size: i) ii) In respect of Shape: i) ii) iii) iv) v) vi) vii) 26. 3 field tests & 3 Laboratory tests of bricks are––– 6 Field tests: i) ii) iii) Lab test: i) ii) iii) 27. 2 field tests & 1 Laboratory tests of sand are––– 3 Field tests: i) ii) Lab test: i) 28. 1 field tests & 1 Laboratory tests of M.S rod are––– 2 Field tests: i) Lab test: i) 29. a. The % of water absorbs by brick chips: …………… 1 b. The % of water absorbs by Stone chips: …………… 1 30. In respect of design: 5 a. The % of strength gains by concrete in 28 days= b. The % of strength gains by concrete in 14 days= c. The % of strength gains by concrete in 07 days= d. The % of strength gains by concrete in 03 days= e. The % of strength gains by concrete in 28 days without curing =

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