Reinforcement cage: design features

Reinforcement cage designed for the production of reinforced concrete monolithic structures. The device allows you to impart stiffness to the structure, taking up tensile and Flexural loads. The armature frame is also used for manufacturing building Foundation and for the production of concrete slabs.

There are different types of materials for reinforcement of walls, road construction, installation of foundations and manufacture of reinforced concrete products. Depending on the diameter and the location of the studs frames made of metal are divided into light and heavy.

At the same time - depending on shape - design is divided into wire mesh, planar and spatial. They are round, triangular, T-shaped and square-shaped. Of the frame in the first place depends on the design of the product. So, spatial reinforcement cage can be assembled from several flat varieties. Moreover, this conversion can be carried out on the construction site, thereby reducing transportation costs.

Today, the production structures have moved mainly from construction sites in the factory production departments. This allows to significantly increase the strength and quality of products, save time on the Assembly. The reinforcing frame structure can represent associated or welded construction of terminals and other elements. In terms of production concrete reinforcement replace contact welding.

Preparations for the production are metal rods, which (depending on design) set transversely and longitudinally. Steel grade determine design documents. Depending on the temperature regime of the environment are used metals, which are not subject to brittleness.

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If the product will operate at temperatures below minus 30, we used steel grade ВСт5пс2. In the Northern region for the manufacture of a reinforcing frame used rods made of a material of the brand 35GS class A3. In addition, you must consider the weldability of the steel. It is prohibited to connect the thermally hardened reinforcing material and high-tensile wire, as a result of welding will be lost strengthening effect.

Reinforcement for the frame structures of reinforced concrete are classified according to the material used on non-metallic and steel. Production technology - core HR (diameter from 6 to 90 mm) and cold drawn round wire (diameter 3 to 8 mm). Products are manufactured in the form of high strength and ordinary wire and strands and reinforcing ropes.

Reinforcing frame is made of a periodic or round smooth profile. In the first case, the armature has a curved surface that enables better adhesion with the concrete. For the purpose of distinguished design, is made of the working armature, which treats mainly of the tension stretching, distribution, designed for uniform load sharing between rods, and installation, which is used to build frameworks.