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  1. #11
    DDT
    DDT is offline
    Platinum Member
    Join Date
    Dec 2000
    Posts
    960
    Location
    Tescott, Kansas
    Tractor
    Kubota L5740/cab with air ride seat

    Default Re: Makeing cement

    mbjacobs
    I guess our figures are very close, so it should be right.
    In my area a 5 sack mix is 5 sacks per cu yard- 6 sack mix is 6 sacks per cu yard. for stronger mix they add 20% rock to the load. This is why I use road gravel instead of concrete sand.
    With my 1 sack mixer @ 5 sack mix 5 dumps will be one cu yard. when I want alittle heaver mix I will put in 8 buckets instead of 10 per load, this should geat me close to a 6 sack mix, but I have never worked it out on paper, just a guess.

  2. #12
    Banned RonL's Avatar
    Join Date
    Dec 2001
    Posts
    430
    Location
    Worcester, Massachusetts
    Tractor
    Caterpillar 416C IT, Caterpillar D3G, previously owned a Ford 1910

    Default Re: Makeing cement

    DDT

    Some yards sell aggregate mix that contains the right proportion of sand and gravel for a concrete mix. You add the appropriate amount of portland cement and water. Crushed stone makes a stronger concrete than does washed smooth gravel. The amount of water added to the mix affects the end strength of the concrete. Some people like a wet mix that flows easy but a thick mix that needs to be rodded and vibrated into the forms yields a stronger end product.

    RonL

  3. #13
    Pks
    Pks is offline
    Platinum Member
    Join Date
    Apr 2000
    Posts
    752
    Location
    Saline, Michigan
    Tractor
    L3700SU

    Default Re: Makeing cement

    RonL

    This is exactly what I did several years ago. The yard had a special pile of sand and agrigate that was pre-measured for mixing of concrete. I paid a little less than $75 bucks for a whole yard (27 cu ft.).

    Peter

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