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# Concrete Mix Design M-60

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(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

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

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

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• Ravi May 24, 2011 at 2:23 am

Bug holes and pin holes can be eliminated by using Hypercrete , SCC admixture @1000ml/100kg of cement. You can go to very law w/c ratio like 0.2 and achieve very high strength with comparably very law cement content while having self compacting properties. Hypercrete can be used in high dosage for G70 or G80 concrete. Sometime you may have to blend the concrete mix with 10 -15% silica fume.

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I wanted to know the MIX design of M95 as per IS-10262 as we are going to use it in our project. and also the required temperature of concrete during poring.

• p vijay vinayak July 27, 2011 at 12:18 am

sir, i am doing project on m60 grade. give me information about high strength concrete and its IS code

• gaurav kumar July 31, 2011 at 5:55 am

sir .i got your design of m-30 ,m-40 ,m45 ,m50 of ra flyover at delhi … but i need design calculations alongwith the code plz send

• chaturbhujmahor December 16, 2011 at 1:46 am

sir ples send ratip M-30 ,M-35 ,M-40 M-45 M-50

• divyesh sharma August 5, 2011 at 2:36 am

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• suniltiwari September 17, 2011 at 3:14 am

sir, we have to design m-60 grade of concrete please provide me procedure with is code

• Anandhakumar September 21, 2011 at 1:34 am

sir i`m provide a cube please tell me mix design and i need high compressive strenth……..

• hemalatha September 26, 2011 at 7:43 am

sir,i’m doing the project for design of concrete structure…please tel me the procedure to do my project

• AP September 28, 2011 at 3:45 am

Dear All
Although IS 456 limits the use of cement / cu.m to 450 kgs, it can be increased upto 540 kgs as per MORTH standard. However difficulties encountered during hot climate has to be taken into account to avoid thermal cracks. Also please note the proportions obtained on calculations from IS 10262 are only a guidance, however trial mixes have to be done to observe the properties of fresh concrete viz., cohesiveness (for enhance pumpability), workability etc. CA & FA proportions may be changed purely on All – in -aggregate curves. For high strength concrete it is normal practice to add MICROSILICA @ 5 – 8 % of cement content to achieve desired strength.

• revanasiddesh April 3, 2012 at 6:57 am

Sir please send me that morth specification so that cement content can be taken up to 540 kg/m3 and how to avoid the thermal cracks during hot climatic condition. and instead of using 12.5mm aggregates if we use 20mm, water content increases and hence the cement content. so please send me how to overcome this problem.

• revanasiddesh April 4, 2012 at 10:25 pm

Sir please send me that morth specification so that cement content can be taken up to 540 kg/m3 and how to avoid the thermal cracks during hot climatic condition.

• kalindi November 9, 2011 at 11:35 pm

Dear sir,
What is PT Concrete Grade & what is mix design for M35PT concrete.

• mohammed naeem ansari November 17, 2011 at 4:30 am

how limit in m-60 concrete, water/cement ratio
which In IS Code For water/cement Ratio

Sir Is Very Urgent

• sujit May 10, 2012 at 7:09 am

Is 456 is no confirms limit, it is base of referance book, if you make M60 Grade then you W/c ratio is almost 0.28 to 0.30 & Admixture is BASF Glenium B276 & Sika then you get M60 Grade

• bondalapati srikanth January 10, 2012 at 12:11 pm

please send some mix design data for all types of concrete

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can we replace filter sand which is basically sand residue from road surface washout after a storm, as an alternate to micro silica..?

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How to design double storage building

• Ravindra Baby February 17, 2012 at 12:14 pm

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sir please send me the mix design of M60 and M80 grade of concrete with Microsillica as Mineral Admixture and Hper plastizers

• kaushal kumar singh April 17, 2012 at 8:07 am

how to find the ratio of cement,sand &others of all grades

• zhakky ahamed May 2, 2012 at 12:14 am

sir,im doing my project research please let me know the cube density for the following concrete samples, 1:2:4, 1:1.5:3, 1:2:3, 1:2:5, 1:3:6,