Why steel and concrete work together
Release time:
2024-06-28
Economical: Taking advantage of the high compressive strength of concrete and the strong tensile strength of steel bars, materials can be used reasonably and costs can be saved.
The main reasons why steel and concrete work well together include the following:
Cohesion: There is a bonding force between steel bars and concrete, which enables the two to coordinate deformation and bear force together under load. This bonding force is the basis for steel bars and concrete to work together.
Close temperature linear expansion coefficient: The temperature linear expansion coefficients of steel bars and concrete are close, which means that when the external temperature changes, the two will not produce excessive deformation differences due to uneven expansion and contraction, thereby maintaining the stability of the bonding force.
Protective effect: Concrete has a protective effect on steel bars, which can prevent steel bars from rusting. At the same time, concrete has a fixing effect on steel bars, making it less likely to become unstable when under pressure.
Secondary reasons include:
Environmental adaptability: The alkaline environment of concrete forms a passivation protective film on the surface of the steel bars, making the steel bars less prone to corrosion in neutral and acidic environments.
Economical: Taking advantage of the high compressive strength of concrete and the strong tensile strength of steel bars, materials can be used reasonably and costs can be saved.
These factors work together to enable steel bars and concrete to work effectively together to form structural components with good performance.
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