Our collection is the exporter of the best steel bars worldwide with guaranteed quality and a very cheap price. Steel bars used in concrete have a significant effect on increasing the durability and strength of concrete buildings. You can follow us to inquire about the steel bar price through this site.
Steel Bars That Are Used in Concrete
Reinforced concrete has high resistance to pressure. Therefore, its use is very suitable for pressurized parts such as columns and arches.
However, due to low tensile strength and relatively high brittleness of concrete, its use is limited to parts that are completely or locally under tension.
To overcome this limitation, concrete members are reinforced by placing steel in them, and the composite body thus obtained is called reinforced concrete or reinforced concrete.
Therefore, the main idea in creating reinforced concrete is to use concrete to withstand pressure and steel, commonly called reinforcement, to withstand tension. Of course, other concrete members such as columns, which are mainly under compressive forces, are also reinforced with steel rebars. The presence of rebars in such members increases the strength because steel, in addition to tensile stress, also has high strength.
The main factors for the success of reinforced concrete The basis of the joint behavior of steel and concrete is the combination of two physical and mechanical properties of these two materials with each other. First, the concrete hardens and adheres significantly to the steel reinforcement. When a load is applied to a member of reinforced concrete, this adhesion causes both steel and concrete to deform together.
Second, concrete and steel have almost the same coefficients of thermal expansion (the average value of this coefficient is 0.00001 for concrete and 0.0000012 for steel for each degree Celsius) and as a result of temperature changes. Neither of the two materials creates significant initial stresses and no slippage between steel and concrete.
How Does Steel Help Concrete?
The thermal expansion properties of steel and concrete are almost the same. This, together with its excellent flexibility, makes steel the best material as a reinforcing material in concrete structures. Another reason that steel works effectively as a reinforcement is that it bonds well with concrete. Steel reinforcement rods and their important properties when inactive reinforcement (steel rods) is used and this structure is known as a reinforced concrete structure. In prestressed concrete structures, the reinforcement (steel wire) before placing the structure for loading, is emphasized that may be considered as an active reinforcement. Passive steel reinforcing bars, also known as rebars, must necessarily be strong in tension and yet flexible enough to form or bend. Metal rebars are mostly used as a tensile builders to reinforce concrete to help keep concrete compact. Concrete is a material that is very strong in terms of compression but practically without stress strength. To compensate for this imbalance in a concrete slab behavior, the reinforcing tape is poured into it to carry tensile loads. The surface of the reinforcement strip may be designed to better bond with the concrete. Steel reinforcement rods and their important properties Reinforced concrete derives its strength from two materials, metal and concrete, which work together. To work together, it is very important that the steel adheres well enough to the concrete. Achieving this link is called tape development, and many aspects of design are reinforced in order to achieve development.
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