How to make concrete - portable industrial experience to their site

Brief information about concrete

Russian scientists of the late XIX century have been paying great attention to the following issues: how to prepare the concrete, how to make it more compact and to calculate its composition?After the Great October Revolution of concrete production technology is most developed.Today, it is the basis of modern construction.

Concrete - a kind of artificial stone, which is obtained after curing a specially selected mixture composed of water, binder or cement, aggregates (gravel, crushed stone).If necessary, the mixture is added to the special additive.This building material is classified according to the following main characteristics: volume weight, strength, frost resistance, type of binder, density, homogeneity.

How to make concrete?

Manufacturing - a fairly simple process, but time-consuming.Before you prepare the concrete is required to understand what properties it should have, because of this will depend on the recipe.Consider the process of its production on an industrial scale.

First issued a prescription laboratory plant, according to which made the exact dosage of the amount of aggregates and binder.Then all the ingredients are weighed and placed in a mixer.In accordance with the recipe quantity of water required is supplied, the mixing process begins.

plasticizers and additives added if necessary.If done correctly and according to the recipe, the mixture will turn a plastic and homogeneous and remained so until the installation.This is a sign of high quality.

After making concrete must be properly transported to the place of its installation.Produced transport with mixing equipment.The main thing that the mixture is constantly stirred and remained homogeneous.Heavier aggregates settle to the bottom, which causes the mixture to delaminate.

ready-mixed concrete directly in their site

If you need a relatively small amount of the mixture, it is necessary to know how to make the concrete itself.Technology independent production of the same, but with a few differences, and takes place all in a much smaller scale.To do this you will need a small cement mixer, and the ingredients.The proportions will depend on the brand of cement, sand and rock characteristics, properties, plasticizers or other additives.

So often, it is necessary to adhere to such proportions: one part cement, three parts sand, five - rubble.Commonly used cement 400th mark.If in your area there is no rubble, gravel can be used.Gravel soil must not contain impurities.It is necessary to take the gravel or crushed stone fines, it will give a concrete structure required fort.To prepare suitable only river sand, completely purified from clay.If the clay is still catches, sift the sand required.

Water should be added at the rate of 50% by weight of the cement.Before making concrete to pour into the mixer a certain amount of water, and the mixture of the future will stick to its walls.Then add the required amount of cement, aggregates, and filled interfere prepared beforehand.

The mixture should be mixed prior to the acquisition desired viscosity and homogeneity.Next, pour the mixture and make her styling.Filling is done as quickly as possible.After placing the concrete should not be allowed to give the moisture quickly, otherwise it will "tear".To this must be periodically moistened with water.

The higher the temperature, the more often you need to water.To moisture loss was less intensively flooded structure covered with polyethylene film or bitumen emulsion is applied to its surface.

Remember that the quality of the mix will depend on the strength and durability of your concrete structure, so before you get in the way concrete is required to carefully read the recipe and strictly adhere to it.