Answer / m.s.sathyajeth raja

M10-1:3:6
M15-1:2:4
M20-1:1.5:3
M25-1:1:2

From M30 Onwards the design mix should be adopted at the Site....since it is a Major form of Concrete

Answer / kondala rao pilli

FOR M25 THE MIX IS 1:1:2,FOR THE REMAINING ARE DESIGN MIXES

Answer / er.yogesh yadav

m-25 1:1:2
all other
concrete grade
its desgin mix
and depend to
structre.after
that desgin it.

Answer / xyz

In Books the ans of M25 is 1:1:2 But it is in olden day's
ratio when 53 grade cement is not available, Now to make
concrete mix you have to design the design mix.

Answer / kamran khan

M5 = 1:4:8
M10= 1:3:6
M15= 1:2:4
M20= 1:1.5:3
M25= 1:1:2
M30= 1:1:1
M35= 1: 0.75.1
There are m= mix and 5.10.15...........compressive strength.......

Answer / sobhan kuumar

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 = 1:1:1

Answer / suman roy/amrita kr biswas

M5-1:5:10
M10-1:3:6
M15-1:2:4
M20-1:1.5:3
M25-1:1:2
M30-1:1:1
M35-1:0.75:1
ABOVE ARE BASED ON DESIGN MIX

Answer / abhishek raj

whatever the grade of the concrete is the design mix or the
components of mix depends upon us.,it mean it all be decided
at on the site and the structure which is going to be casted
at that time.

Answer / satya.mvvs

All are design mixes

Answer / praveenpalaparthi

M25:1:1:2
M30:1:1:2
M35:1:0.75:1
M40:1:0.5:0.5

In which code or text book can i get the reinforcement detailing for slabs, beams, columns.

5 Answers  

As per Kandal suggestions, we have implemented rolling starts on 140 (+/- 5) degrees and we kept 3 rollars to complete the rolling before falling 125 degrees and the Aggregate AIV is below 22. But When the DBM bed is being rolled 3rd high viabration, (Before 1 plain & low ,2 high Viabrations), the aggregate is getting sharp edge agg. projections are damaged. As the literature is said that, the VG-30 Grade having better control the temp. susceptibility than Penetration grade. if so we could not get this problem at site. But we are facing on site. let me know.

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1 Answers   CCCL, Mytas,

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