Search

Concrete Mix Design M-60

Posted in Mix Design | Email This Post Email This Post |
Print Friendly, PDF & Email

CONCRETE MIX DESIGN (GRADE M60)


(a) DESIGN STIPULATION:-
Target strength = 60Mpa
Max size of aggregate used = 12.5 mm
Specific gravity of cement = 3.15
Specific gravity of fine aggregate (F.A) = 2.6
Specific gravity of Coarse aggregate (C.A) = 2.64
Dry Rodded Bulk Density of fine aggregate = 1726 Kg/m3
Dry Rodded Bulk Density of coarse aggregate = 1638 Kg/m3

Step-1
Calculation for weight of Coarse Aggregate:
From ACI 211.4R Table 4.3.3 Fractional volume of oven dry Rodded C.A for 12.5mm size aggregate is 0.68m3
Weight of C.A = 0.68*1638 = 1108.13 Kg/m3

Step-2
Calculation for Quantity of Water:
From ACI 211.4R Table 4.3.4
Assuming Slump as 50 to 75mm and for C.A size 12.5 mm the Mixing water = 148 ml
Void content of FA for this mixing water = 35%
Void content of FA (V)
V = {1-(Dry Rodded unit wt / specific gravity of FA*1000)}*100
= [1-(1726/2.6*1000)]*100
= 34.62%

Adjustment in mixing water = (V-35)* 4.55
= (34.62 – 35)*4.55
= -1.725 ml
Total water required = 148 + (-1.725) = 146.28 ml
Step-3
Calculation for weight of cement
From ACI 211.4R Table 4.3.5(b)
Take W / C ratio = 0.29
Weight of cement = 146.28 / 0.29 = 504.21 kg/m3

Advertisements

Step-4
Calculation for weight of Fine Aggregate:

Cement = 504.21 / 3.15*1000= 0.1616
Water = 146.28 / 1*1000= 0.1462
CA = 1108.13 / 3*1000= 0.3690
Entrapped Air = 2 / 100= 0.020
Total = 0.7376m3
Volume of Fine Aggregate= 1-0.7376
Weight of Fine Aggregate= 0.2624*2.6*1000= 683.24 kg/m3

Step-5
Super plasticizer:
For 0.8% = (0.8 / 100)*583.53 = 4.668 ml

Step-6
Correction for water:
Weight of water (For 0.8%) =146.28 – 4.668 =141.61 kg/m3

Requirement of materials per Cubic meter
Cement = 504.21 Kg/m3
Fine Aggregate = 683.24 Kg/m3
Coarse Aggregate = 1108.13 Kg/m3
Water = 141.61 Kg/ m3
Super plasticizers = 4.6681 / m3

So the final ratio becomes
Cement : Fine agg (kg/m3) : Coarse agg (kg/m3) : Water (l/m3): Superplasticizer (l/m3)

1: 1.35 :2.19 :0.29 :0.8

Advertisements

This concrete mix design has been submitted to us by Natarajan. We are thankful to him for this valuable contribution.

More Entries :
Comments
  • sathish July 9, 2008 at 4:54 pm

    thanks for mr.Natarajan.this design is very useful for my project.thanks lot.

  • pravin July 20, 2008 at 8:56 am

    Thanks for your design.It is very useful in project management.Still I would write to recommond you about some hints for economical 10 storied building framestructure,
    PRAVIN

  • rajendra kamble August 6, 2008 at 2:34 pm

    nice mix design

  • murthy August 16, 2008 at 8:30 pm

    Dear Mr Nataraj nice Mix Design what is the workability of the mix.

  • rajkumar yadav September 7, 2008 at 5:34 am

    Dear Mr Natrajan what is the workability of the mix.

  • chandan September 17, 2008 at 2:37 pm

    we have this mix measured by liter box. farma

  • arun September 23, 2008 at 1:32 pm

    thanks a lot…..sir can u plz send me design mix procedure of M80 grage concrete…. i m in an urgent need as m doing project on it….

  • T.C.V.Reddy September 28, 2008 at 2:53 pm

    Dear Natarajan,

    Thanks for this mix design, it is very useful.But we may not expect workability as the S.P is very low percentage

  • Anil kumar saini October 5, 2008 at 12:12 pm

    sir! please forward me a copy or pdf file for estimation of civil drawing..& also

  • Solairaj.s October 11, 2008 at 7:01 am

    Its very use ful manuals to me. Thank you for this MIX design using the stds. I hope its increase as per site conditions.

  • Joyesh Manna October 24, 2008 at 9:10 am

    Excellent and useful. Many thanks to Mr Natarajan. Normally M60 grade concrete is done in specific, prestressed jobs.

  • arunkumar November 12, 2008 at 4:17 am

    mr Natraj,

    iam very thankfull to you for doing this design mix.
    our team will be following by your design.

    thanks & regards

    arunkumar (aaress steel & iron ltd)

  • Naveenkumar November 13, 2008 at 5:29 am

    its very good mix design for out of india Engineers. i would like to see the mix design based on IS standards also if its possible.

    thanks again

    Naveenkumar
    QAQC Manager
    TUV SUD South Asia Ltd.

  • noorul haque November 19, 2008 at 7:26 am

    1)

    need calculation of mix design with example for all use materials,if possible for
    volumetric calculation,if any specific book required please send me name.

  • R.S.Saharia November 19, 2008 at 8:14 am

    It is suggested to use hyper plastisizer instead of superplastisizer. Also, T40 cement can give good results for high strength concrete.

  • Amal Bhattacharya November 21, 2008 at 4:21 pm

    Conc mix design with cement content of 504 kg/cum. Is IS 456 2000 allows us more than 450kg/cum .
    is it sustainable conc ?it is required to mention admixture and slump.require to revise

  • Dhanaraj lazarus November 24, 2008 at 8:11 am

    Your Posting is very usful i Need Design Mix of M40

    Thanking You

  • mahendran November 24, 2008 at 5:17 pm

    thank you natraj

  • Sunil Ramachandran Nair November 26, 2008 at 6:37 am

    Dear Mr. Natarajan,

    I would like to know what is the admixture you had considered. In M60 mix design everything depends upon the admixture. I had used Glenium B233 from BASF if I remember correctly. Prior to that we used to import Microsilica.

    Because of the inconsistency in the quality of present day cements, the role of admixture has become very vital. I hope you will agree with me. I had to use even for M40 grade of concrete such heavy admixtures which is economically very costly.

    Just sharing some thoughts

    Regards

    Sunil R Nair

  • Antony December 6, 2008 at 12:15 pm

    please send M45 mix for pumbing concrete with max size of CA 20mm for p

  • Post a comment

1 2 3 8