Concrete blocks are a building material that is quite widely used in the construction of the walls of both residential houses and country houses and other outbuildings. In this hollow material, the remnants of different industries are used as filler, or, more simply, slag, which has excellent characteristics for excellent thermal insulation of walls. This is the main reason why slag stones today are very often used in household construction as a reliable and repeatedly tested insulation.
Wooden form for cinder blocks
You can purchase such blocks , but there is an opportunity to make them yourself. To do this, make a form in which this product will be produced. The form can be a standard size, but at the request of a person you can create it with individual parameters. As a rule, if you need more or less fast production, one form will not be enough. If we imagine a situation, then it will be necessary to pour only one cinder block and then wait a certain time, at best, a couple of hours until it grabs. That is, the performance in one day will be extremely small and it may take several months to manufacture the required number of blocks! But this problem can be avoided by making several dozen identical forms.
What is needed for this? You can make wooden forms that will consist of side walls and the bottom, you can also make internal formwork of a round or square look for internal voids. As the experience of experts shows, it is best to make square voids - then a large amount of concrete is saved.
When making a timbering of wood, you should choose a good planed tree, otherwise problems when removing the block cannot be avoided when it starts to cling to the knots and unevenness.
Concrete must be made with a sufficient degree of fluidity so that it sits down well, and then vibrate, for example, by lightly tapping the walls with a hammer.
A good option is to use metal forms. However, here you need to use a welding machine, as well as the ability to weld structures made of metal exactly and firmly. To do this, you can make a frame by welding together 4 walls and the bottom, and inside you can weld pipes or squares. Such forms will last a very long time, but their production will be expensive because of the cost of the metal itself, it is also irrational in the manufacture of a small amount of cinder blocks.
Vibrating table for cinder blocks
There is one more not less an interesting way to produce cinder blocks. It has the advantages of greater efficiency, but it requires some equipment. Of course, it will not be free and you will have to put some amount of funds. If we take the minimum - we need a concrete mixer, even a small, and vibrating table will do. In this case, no longer need to produce a bunch of forms that will take up a lot of space. Forms are made of metal on the sample. By the forms will definitely need to weld a comfortable pen.
Universal vibrating table
The vibrating table can be made and himself, having the smallest skills. For its manufacture you need to purchase a sheet of metal in the form of a square with a side of about a meter. You will also need a few kilowatt electric motor, about 2, and good springs. They can be found among the parts, removed from the dismantling of a car that has become unusable, or an old motorcycle. Springs are welded to the corners of the steel sheet, and the engine is bolted to the center of the structure or by welding. It is necessary to put a pulley on the shaft, preferably with a center of gravity, having an offset. After that, turn the resulting machine, setting it on a secure basis and properly securing. Due consideration should be given to the electrical cable, and more specifically, to how it is connected.The cable must not have places with open insulation and other damage. The metal must be reliably grounded.
Motor attached to the vibrating table
Now you know how to make a cinder block with your own hands, therefore, the construction of the necessary object does not bring you a great expense
The process of making cinder blocks using a wooden mold is described in detail: