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I Need The Contributions Of Experienced Construction Site Engineers by Nobody: 11:24am On Mar 16, 2015
Please I would like to know the ratio of cement to sand and gravel concrete mix using the ratio 1:2:4 and 1:3:6.....like in 1:2:4 I heard it's a bag of cement to two wheebarrows of sand and 4wheelbarrows of gravelani don't know how true it is.
Secondly,pls how many headpans of sand is in a wheelbarrow and how many wheelbarrows of sand is a tonn.......thanks and God bless
Re: I Need The Contributions Of Experienced Construction Site Engineers by klassicomega: 12:02pm On Mar 16, 2015
Its ratio 1:2:4
1bag of cement to 2wheel barrow of sand and 4 wheelbarrows of gravel.
25 headpans makes a tonne

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Re: I Need The Contributions Of Experienced Construction Site Engineers by Nobody: 3:48pm On Mar 16, 2015
klassicomega:
Its ratio 1:2:4
1bag of cement to 2wheel barrow of sand and 4 wheelbarrows of gravel.
25 headpans makes a tonne
thanks..God bless
Re: I Need The Contributions Of Experienced Construction Site Engineers by Nobody: 11:31am On Mar 18, 2015
So,does it means two headpans makes a wheelbarrow?because two headpans makes a bag of cement
Re: I Need The Contributions Of Experienced Construction Site Engineers by klassicomega: 12:34pm On Mar 18, 2015
Approximate. But the basic thing is thatan whichever tools that you want to adopt as a means of measurement, be consistent. If its heapan that you want to adopt, be consistent with it. If its wheelbarrow, be consistent. By so doing, you will be able to control the outcome of your measurement thereby avoiding unnecessary variations that might bring about confusion
Re: I Need The Contributions Of Experienced Construction Site Engineers by Nobody: 2:28pm On Mar 18, 2015
klassicomega:
Approximate. But the basic thing is thatan whichever tools that you want to adopt as a means of measurement, be consistent. If its heapan that you want to adopt, be consistent with it. If its wheelbarrow, be consistent. By so doing, you will be able to control the outcome of your measurement thereby avoiding unnecessary variations that might bring about confusion
thanks boss
Re: I Need The Contributions Of Experienced Construction Site Engineers by kito2taiwo: 10:03pm On Sep 26, 2015
thanks..God bless
This must b a highest order confusion! How come will u say 1:2:4 and equate it to 1bag of cement to 2wheelbarrows just as d number appears! Ain't u using batch by volume?? Is it possible a bag of cement full a wheelbarrow ...unless mayb in lab shar....lol
On site where d real tin happens, a bag of cement is 2headpans and a wheelbarrow is 4headpans. For a bag of cement, u'll b using 1wheelbarrow of sand and 2wheelbarrow of gravel. Do the maths urself and verify it PRACTICALLY! ...*winks*...1Love!

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Re: I Need The Contributions Of Experienced Construction Site Engineers by kito2taiwo: 10:06pm On Sep 26, 2015
So,does it means two headpans makes a wheelbarrow?because two headpans makes a bag of cement

This must b a highest order confusion! How come will u say 1:2:4 and equate it to 1bag of cement to 2wheelbarrows just as d number appears! Ain't u using batch by volume?? Is it possible a bag of cement full a wheelbarrow ...unless mayb in lab shar....lol
On site where d real tin happens, a bag of cement is 2headpans and a wheelbarrow is 4headpans. For a bag of cement, u'll b using 1wheelbarrow of sand and 2wheelbarrow of gravel. Do the maths urself and verify it PRACTICALLY! ...*winks*...1Love!
Re: I Need The Contributions Of Experienced Construction Site Engineers by koolengrtimmy(m): 7:54am On Sep 27, 2015
1bag of cement -- 2 headpans !
1:2:4 means -- 2 headpans of cement, 4 headpans of fine aggregate (sand), 8 headpans of coarse aggegate(gravel).

1:3:6--- 2 headpans of cement, 6 headpans of fine aggregate (sand), 12 headpans of coarse aggegate(gravel).
4headpans = I wheel barrow, 20 bags of cement-- 1 tonnage of cement, 1bag of cement --50kg, 1 headpan full-- 25kg, 40 headpans full--1 tonne;

There are other mix ratio depending on structural elements to be built and workability of fresh concrete .
Re: I Need The Contributions Of Experienced Construction Site Engineers by geejayjax: 9:43am On Jun 17, 2016
The info here has been of help.... Thanks

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