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Foam concrete

  1. my milkshake tastes better then yours
  2. what type of foam did you use?
  3. good tq
  5. I want to cast 15 cube of size 15 x 15 x 15cm can u tell me
    the proportion of cement , sand, water and foam agent,
    water in foam..??
  6. Buna ce este acela negru ce bagati in apa cum se numeste,
    daca as vrea sa cumpar? Multumesc!
  7. Can I brush this on a canvas tent so the tent will last
    forever and be warmer in the winter time?
  8. what kind of foaming agent are u using? I guess it is not
    dish soap
  9. I've never seen anything like this! Thanks for sharing. I
    may have to talk my husband into trying this for a little
    project we are doing. Once again thanks for the ideals :)
  10. He is Romanian we don't belive in gloves 
  11. Is excellent and very illustrative video is what is required
    low costs 
  12. Consult the wiki's and your local professionals. As this
    material displaces the heavy weight and high strength of
    Portland cement types of concrete, you move toward foam
    insulation. Lighter and weaker. Usually about half as
    strong. You didn't see the strength of the precast product
    as it requires baking at about 400F. Competition in cutting
    costs has resulted in structural failure.
  13. After adding the foam into the mixer how the bubbles are not
    crushed by the heavy concrete mix stirring in the mixer? It
    doesn't make sense to me...
  14. un nume trebuie sa aiba si spuma aia 
  15. I speak french so I have a little trouble understanding
    everything. What exactly is the liquid that makes the
    foam. thank you
  16. I'm pretty sure that is a building site and you are supposed
    to be working...
  17. very good
  18. Que utilizas para hacer la espuma?
  19. I have been looking all over internet but nowhere i can find
    the name of the chemical that produces the foam. Can
    anybody give me the name of the foam agent?
  20. nice, but you should protect your Hands with gloves.
  21. I bet that guy makes awesome omelets. 
  22. what are the applications for this? I mean...why make


4.00 min
User rating: 3.9811866/5
Username: diandana
Views on youtube: 818796

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Finally the official translation:
A simple and inexpensive method to manufacture the foam needed to obtain the Aerate Concrete.
For a 180l (about 120l course) concrete
Finally the official translation:
A simple and inexpensive method to manufacture the foam needed to obtain the Aerate Concrete.
For a 180l (about 120l course) concrete mixer I used one and a half bucket of cement, three buckets of sand and depending on how wet is the sand I added water (7-10l). And , of course, the foam.
Recipe for foam is 3% foam agent diluted in water (theoretically). Basically I used 50 ml per liter of water, ie 5% and for a batch I used 1.5 l of 5% solution. Of course, if you put more cement the stronger the concrete will be, but I don't think that a proportion more than 50% cement will do any good.
My impression was that the solution temperature influences the quality and stability of foam, but I didn't tried to study this thing. My impression was that if the solution is heated by the sun, the foam was more "fluffy"
Of course the recipe can be changed, but I'm happy with what came out. Probably a density of 900-1000 kg/cubic meter
The mesh is aprox. 2x2mm aperture with 0.5mm wire diam. and the frame is a 150x50mm rectangle. Of course, all this elements of the "foam generator" are chosen without any study, so I think each one can try other dimensions.

L.E. Foam Concrete isn't used for structural components of buildings (as far as I know). It is used only for insulation and as a filling material. In my case I used it for a terrace over a wood structure of a garage. I used it because it's light and because the wood terrace was very hard to waterproof the building. Over the concrete, the terrace was waterproofed with bitumen membrane.
There are two years now (2011), the terrace is still waterproof and the garage still standing. Of course, no major earthquake but I' m confident.

Un mod simplu si ieftin de producere a spumei necesare la obtinerea BCU.
Pentru o betoniera de 180l (aproximativ 120l util) am folosit o reteta de 3 galeti de nisip, una jumate de ciment, apa in functie de cat de ud e nisipul (7-10l), si spuma. Reteta pentru spuma e 3%spumogen si restul apa (teoretic). Practic am folosit 50 ml la un litru de apa, adica 5%, iar pentru o "portie" de BCU am folosit 1,5 l de solutie 5% spumogen.
.Impresia mea a fost ca temperatura solutiei influenteaza calitatea spumei, dar nu am incercat sa studiez lucrul asta, ci doar am constatat ca daca solutia se incalzea de la soare, spuma era mai "pufoasa"
Bineinteles ca reteta poate fi modificata, dar eu sunt multumit de ce a iesit. Probabil un BCU de 900-1000 kg/mc, destul de stabil mecanic (mai stabil decat ce am vazut pe la comerciantii de blocuri de BCU).




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