Every movement bricklayer carried out at a certain rate.Neutral clay brick weighing about 3 kg, or large foam block of the same mass will be set into a wall for one and the same time.But the size of the foam block at eight or even twelve times the size of a brick, which greatly increases the speed of masonry.Another important advantage of the light and warm the building material is that it requires adhesive rather than a complex solution.
story of foam blocks
In 1923 the Swedish architect John Axel Eriksson has invented a new technology of manufacturing bricks for building houses.Experimenting with concrete mix stage setting, Erickson began to blow air.Inside the air mass to form small cavities which did not come to the surface.Subsequent tests showed that the resulting material is lighter, its thermal conductivity has decreased by several times.Reduced weight pushed the young researcher to produce large bricks, which he called cubes or blocks.Dimensions foam blocks increased by 8-10 times compared to clay bricks.The idea is being discussed at a small brick factory.At first she did not appeal to manufacturers, because the price of the new material was quite high, and the goods were not attractive to buyers.Only in 1929, Erickson was able to develop a realistic setting for porous concrete and manufacture equipment for foam blocks.The Great Depression in the years almost buried a great idea talented person.But a year later the brick factory was huge at the time an order for production of several million pieces of light units for the construction of the shipyard.This order of five million guilders allowed to expand production and to start production of a new building material that began to gain popularity among builders.
developments of Russian scientists to create foam blocks
similar idea of creating a light bricks were studied with us.In the early thirties of the past century in the Central Asian State University (Tashkent) were manufactured counterparts Swedish invention.VVSablikov proposed concrete mix with low density and high thermal resistance (work was done independently of the Swedes was the order for the material that their properties would be similar to adobe bricks, but more strong and durable).Dimensions foam block sablikova superior to conventional bricks.At first, the staff liked the idea, much has been written about her, a young scientist predicted the imminent receipt of the title of professor.There were even built a few buildings from the perspective of material.One of them still exist in it for many years the Museum of Nature in Central Asia.But the envious machinations were stronger than logic sablikova condemned by Article 58.During the Great Patriotic War, he volunteered to go volunteer at the front, then formed from convicted penal battalions.In the first battle in 1942, he died.Homeland forgotten the priority for his invention, made about 80 years ago.Lightweight concrete production technology, our manufacturers of building materials purchased in the United States in the early eighties.
Construction of foam blocks
In our country, in the middle of the last century started to produce lightweight aggregate concrete blocks.They have already surpassed ordinary clay brick in their characteristics.But it was not until the foam block, he just looks like him.The construction boom with a light foam concrete began later.Dimensions of the foam block and its almost perfect form will allow the technology to reconsider the construction of walls.Now, instead of cement-sand mortar for a bunch of separate elements needed glue linking disparate parts into a single rigid structure.The appearance of foam blocks in construction technology, many builders met with caution.Their confused mass of structural material, the foam block relatively large size and the price.To overcome the doubts of professionals were carried out comprehensive tests of units from blowing materials.The results impressed seasoned professionals.Many did not believe the data of strength and thermal studies.His negative opinion in shaping the image of the new material and made by representatives of the entire industry - brick production.After all, in fact, they are the traditional building material loses on all counts, the only response - the standard price for a piece of calcined clay brick below.
Prospects foam blocks in Russia
Most of the territory of our country is in a zone with strong winter frosts.The walls need to insulate or to build so broad that in the space will be very limited.Far beyond the examples do not need to go, and each had been in homes where the wall thickness is close to the subway.Only one way out - to use effective insulation that reduce the thickness of the load-bearing structures.For this indicator, the building material with satisfactory structural performance and high thermal resistance will be in demand in the construction industry.Dimensions of the foam block is such that it not only easy to transport over long distances (packing on pallets), easy to move on a construction site quickly mounted in walls and partitions (especially in the partitions, as it does not require additional reinforcement floor), perfectly retains heat andIt is an excellent sound insulator.
