Pouring concrete into the formwork - do everything in science

removable formwork systems

becomes clear that the formwork is a special shield fence made of different materials, the internal volume of which is the future of the construction element and is designed to fill concrete solutions.In this volume are often placed metal, providing the ability to withstand very high structural strength product.

species and formwork materials very much.The most traditional and, perhaps, the first formwork can be considered conventional trench in the ground.This technology is still produced pouring concrete for simple strip foundations.Laying of concrete into formwork panels of the plank are also known for a very long time.

The use of wooden boards and planks in the form of modular and collapsible design allows re-use such a system.Knowing how to pour concrete into the formwork, you can use the well-known wall building technology, which suggests that after the seizure of the solution, you can move the enclosing elements of formwork to the right, left or above, and topped up the next portion.

Besides natural plates and boards are widely used magnesite slabs in a more resistant to moisture and duration of multiple use.

virtually unlimited resource possess the industrial and structural types of removable metal formwork of panel types with enhanced working planes and standardized mounting system for assembly.These collapsible elements allow for quick installation, multiply the speed of construction and are especially good in the construction of houses in the w / w based on the carcass.

representatives of non-removable formwork

There are a number of technologies that use non-removable formwork technology.Won great popularity termodomnye (rational) building system.Non-removable formwork elements themselves are termodomov box structure of polystyrene foam without the top cover and the bottom, but with internal baffles provide the necessary rigidity.

Each element has upper and lower perimeter of the protrusions and holes system, providing a highly accurate assembly on the basis of the well-known children's designer.After the assembly and installation of a number of blocks in the internal metal reinforcement elements of emptiness nothing more is necessary than to pour concrete formwork solution.

The result is a monolithic wall with a ready-made system of thermal stabilization and thermal protection, more than three times more effective than traditional brick and stone walls.With all the advantages of this technology allows more significantly (to 40%) save on the cost of materials.

Sharing tips as pouring concrete into formwork made

During the concrete work is recommended to comply with the requirements, how to fill the formwork.To this end, in the most general case, it must first be properly set up and strengthen the use of special fights, spacers and clamps.The carefully established and verified shuttering to place the elements of the reinforcement cage for future construction.You can then fill in a prepared mortar mixture.3 (cement: sand):

In conventional heavy concrete grades 200 or 300, including gravel fraction from half to two and a half centimeters but clean sand can be used in the standard ratio of 1 is used as the most recent.It is important to observe and proportion, adding water (about 680 liters per ton of cement-sand mixture).

Typically, an industrial building, the fill operation is performed on the entire volume of the prepared molds.But in the hands of home construction may not be enough to prepare and fill the entire volume.Then we have the lamellar filling the entire perimeter (providing sufficient thickness of each such layer) or a fill area formwork for all heights.

In the latter case it is better to do an oblique edge, providing greater strength in the future of the whole structure.Thus, if for any reason for casting formwork works were stopped for a day or more, to renew them only after the previously poured concrete will get stronger.

important point right fill, no matter what the manufacturer says is the maximum distance from the air laid mass, which contributes to its maximum compaction.On construction sites and factories using immersion vibrators.In the absence of such, you can use an ordinary piece of reinforcing rod, carefully pierce the mass of the laid solution, allowing air to get out.

The presence of a second worker, tapping a hammer (without fanaticism) formwork, significantly accelerate the compaction process.Laid concrete must "mature" that lasts up to 30 days.We must close it from direct sunlight and actions (covered films), periodically moisten with water to ensure even drying it: first four hours, and after three days (and a week) three times daily.