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Job Mix Concrete Volume

A trial batch of concrete can be tested to determine how much concrete is to be delivered by the job mix. To determine the volume obtained for the job, add the absolute volume V a of the four components—cements, gravel, sand, and water.

Find the V a for each component from

V a = W L / ( SG ) W u

where V a = absolute volume, ft 3 (m 3 )

W L = weight of material, lb (kg)

S G = specific gravity of the material

W u = density of water at atmospheric conditions (62.4 lb/ft 3 1000 kg /m 3 )

Then, job yield equals the sum of V a for cement, gravel, sand, and water.

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

If you have a query, you can ask a question here.

25 comments on "Job Mix Concrete Volume"

Cesar P. Durias says:

Im searching this formula for how many weeks, in the internet thanks a lot for the posting.
Actually I have a pocketbook reviewer (Besavilla) and it is states only direct to the
computation I want proof or either formula, which I found here. You know as a civil enginner
sometimes our clients or friends ask us ‘How many volume of concrete can one bag of cement
produce? Because I forgot already this formula. For the second time thank you very big.

ARNOLD V. MAGTULIS says:

THANKS A LOT ACTUALLY THIS REALLY HELP ME A LOT BECAUSE I WORK IN THE READY MIX CONCRETE BATCHING PLANT AS OPERATION MANAGER AND THANKS FOR YOUR FORMULA RE:JOB MIX CONCRETE VOLUME

Daniel says:

Dear All,
I just start working in Concrete company, I had no experience with the formula in making /mixing all material, Is it possible to get the standart mix design for Quality 225 (that’s haw we called in Indonesia).

Your information will be highly appreciated.

Thanks,

Daniel

santosh futak says:

THANKS A LOT ACTUALLY THIS REALLY HELP ME A LOT BECAUSE I WORK IN THE READY MIX CONCRETE BATCHING PLANT AS OPERATION MANAGER AND THANKS FOR YOUR FORMULA RE:JOB MIX CONCRETE VOLUME

darshana says:

It’s very imported for our company and i want to know better than and value about mix design.

ram kiran says:

dear all,
i has work exp in site but i am week in mix design can u help me

Anu says:

Dear all,

I dont have experience in using the formula ..

Can u pls help me how to use the formula for getting volume of cement for 1m3 of concrete…

irfan says:

sir i am fresher civil engineer sie can u help me how t use this formule by any examples..

nirmal says:

in job mix formula no need to consider sand bulkage;

Pradeep Srivastava says:

Dear Sir

Pls give me details concrete super Plasticizers name and with composition.
2: what is means of Old and cold concretepls give me details.

Thanks
Pradeep Srivastava

Alemayehu Haile says:

It is good &interesting concret. PleaseWould you like to Fined job for me Alemayehu (Ethiopia).immidiate Response I need

Subhash Dheer says:

Requirements of concrete mix design

The requirements which form the basis of selection and proportioning of mix ingredients are :

a ) The minimum compressive strength required from structural consideration

b) The adequate workability necessary for full compaction with the compacting equipment available.

c) Maximum water-cement ratio and/or maximum cement content to give adequate durability for the particular site conditions

d) Maximum cement content to avoid shrinkage cracking due to temperature cycle in mass concrete

yousufbasha says:

please send me procedure for desiging of multistoried buildings

jay-ar says:

can you send me the procedure of concrete mix design including it’s formulas

beat says:

How to mix the buildig concrete? What is the standardaized formula?

riz kan says:

really i need the names of cement test

rajachandra says:

hi friends please send me mix ratio’s for M20grade of concrete in 1:2:3

rajachandra says:

hi frnds please help me concrete mix with p.f.a in detailed

sam says:

please can you give me tutorials on concrete job design. pls very urgent thank you.

lokesh says:

sir plz give me information of 1m3 how many cement,sand& aggrigate

Froilan says:

Lokesh,

Depend on the grade of concrete. Usually sand is 44% of 1 cum. and gravel is 88% of 1 cum. Cement are ranging from 12bags, 10 bags, 9 bags per 1 cum. Water Cement ratio usually used 0.40. Hope it helps.

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