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Production of paving slabs without vibrating table

DIY ideas / Construction
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Hello, in this article I would like to share my little experience in the field of paving slab casting, without the use of a vibrating table.

By and large, vibration is necessary to accelerate the production process on a large scale. In production, the speed of production is required, which is set by the vibrating table. Under the influence of vibration, even the thickest solution instantly spreads in shape, that is, the molding process is almost continuous.

But all this will be left to the manufacturers by the giants, and we don’t need much, for example, at the dacha, pay for the track, or make beautiful tracks near the private house. For small volumes, I assure you, you do not need a vibration table, I can do just fine without it, because we do not have electricity in the country))).

Vibration is replaced by a mallet, I just hit the edges of the form several times, and the solvent is quickly distributed over the matrix.

The solution is also quite simple, 1 part cement, 2 sand, water is added until a semi-liquid solution is obtained.

And so now we will consider what tools I needed and how I performed the process of filling the forms.

Materials: form for paving slabs, cement, sand, water, greasing.
Instruments: screwdriver, mallet, trowel, bucket for mixing mortar.
First, I prepared all the tools I needed, and the rest of the components.



And then I prepare the solution according to the above specified proportion, 1 to 2.




As you can see in the photo, the solution is mixed with a screwdriver with a nozzle, which is very convenient by the way.
Then I prepare the mold for pouring, I spray the grease out of the fan, this is necessary so that the tiles come out well after solidification.


Well, I put the solution in the prepared form.

Then leveling with a trowel.

At the edges of the form, tapping with a mallet, I release air bubbles, and crack the solution.

And further at a given pace))). Then I put the filled forms for drying on a flat surface, to save space, I squeeze the matrices on top of each other, shifting the planks.


After 24 hours, I take out the finished tile from the mold.

That's all the paving slabs are ready, of course she still needs to lie down a bit, and get stronger. There is nothing complicated in this, everything is extremely simple, and understandable. With this type of pouring, electricity is not consumed, which reduces the cost of the already final production process. So go for it my friends))).
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6 comments
+3
Reply To quote A complaint
I did a “vibrating table” in two forms. From the beam 50 to 300 (there were trimming beams). From them I made a rectangular frame. Pins stuck in the lower beam, the springs from the valves were dressed on them, a piece of the same beam was worn over them. In the middle, a perforator was inserted into this frame, switched to the chipper mode. A piece of drill was inserted into the cartridge, and he stuck it into a blind hole in the movable beam. And the handle went into the recess of the upper crossbar and was fastened with clamps. Forms with concrete were placed on both sides of the puncher and the punch was turned on ... The first time the forms "ran away" ... I had to make sides for them ...
Then, over time, a bit of drill, though dull, pierced the beam through and through. Then I welded to it a platform that rested on a beam. And he made a "landing-well" under it.
It was a long time ago ... Recently, the lazy one became - he bought tiles so as not to fool, and that’s all .... Now it’s already “relatively life” not expensive - 7-8 dollars per square. And the one you do is also cheaper ...

By the way, the first time I see cement in such a packing ... We have at least 25 kg. It costs 2 dollars. And, again, the M-400. We also have it, but they buy it for something "unimportant" if huge volumes are needed, because the M-500 is almost not more expensive. The most popular brand with us is the M500 D-20. This is for construction, foundations and more. And on the tiles, monuments and the like, they take only the M500 D-0. It is a little more expensive (a couple of cents), but much better ..
+2
Reply To quote A complaint
Thanks for the proposed idea.
I’m still thinking about how to make a table with one or two handicaps, spring like on a real vibrating table, attach a pulley with eccentrics of a small size to the lower part of the table plane, and set the belt drive to manual drive, as you say by the principle of a meat grinder, or bring in action screwdriver. If you work on this necessarily succeed)))
+3
Reply To quote A complaint
As an option - to make tiles according to the so-called "dry-pressed technology." This is when the solution is made slightly moist (like damp earth), and then rammed in the form until the water comes out from above. And then watered for a few days to set. I did hollow blocks like this. They then did not blur a drop after removing the form.
But in this form it doesn’t work out, I'm afraid ... It’s flat ...
The screwdriver is not enough. You can make a table on one side on the axis, and on the other so that it rests on a shaft with eccentrics. Just lay on it. (The camshaft is the first thing that comes to mind) .. You can twist it by hand, with a handle, like a meat grinder. The concrete is heavy, shaking will be strong ...
+3
Reply To quote A complaint
Thanks for the advice, friends, anyone has any idea of ​​creating a small vibration table that can work without electricity, for example, from a manual drive that transmits torque to a pulley with counterweights, you can even remove the torque from a screw-driver. Dachshunds need to do this development))))).
+3
Reply To quote A complaint
: winked: "
I liked this “conclusion" the most. And I thought, what if, in general, cement is not added? It will be even cheaper. Like in childhood, when they played in the sandbox.
+8
Reply To quote A complaint
I also started this way)))) .. Tiles have done a lot? ...
STOP !!!! Then it will be a pity for labor and materials ... You have a whole series of misconceptions here. I'll start in order:
1. "vibration is necessary to accelerate the production process on a large scale."
Not!!! Vibration is not needed for this! Vibration is necessary to completely remove air bubbles. Look at the first photo. The caverns remaining from these bubbles are visible right on it. And in the fall, water will come into them. And in the winter it will freeze. And Khan to your tile! A few freeze-freeze cycles - and that’s it! Tiles all peeling off!
2. "The solution is also quite simple, 1 part cement, 2 sand, water is added until a semi-liquid solution is obtained."
To begin with, sand needs 3 parts, not 2! A common misconception is "the more cement, the better." NOT! Cement is an astringent. Sand particles are stronger than the same particles from sticky cement! Cement is needed just enough to cover every grain of sand - and this, as many years of experience has shown, is one part of cement to three sand! If less - concrete will be weak, if more - hard, but very fragile! And the coefficient of thermal expansion of such concrete is very small - it will crack in the cold!
And even in the concrete for the tile, it is MANDATORY to add a plasticizer !!! It will increase its frost resistance and, most importantly, waterproofing qualities !! Without it, your tile will be saturated with water, even after a vibrating table! Concrete will be hygroscopic! .... Read above about freeze-thaw cycles .....

And even more so, your thin "thirty" ... Very lucky if she survives the first winter ...
I tried that too. And mine was thick - the usual "coil", 70 mm thick, and the solution was prepared from washed sand and 1 to 3. And still cracked ... Then remade. He assembled a “vibrating table”, in which a perforator was used as a “vibrator”, added a plasticizer .. And everything is fine - for almost ten years now the tile has been lying ...

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