Reinforced Concrete Addition

Reinforced Concrete Addition:
They are chemicals that are added to concrete either during mixing or treated with it after it hardens to give it certain properties.

Conditions to consider when using add-ons:

The percentage of additives used in the mixture should not exceed the percentage specified by the factory so as not to affect the concrete resistance.
That there is a proportion between the cost of using the add-ons and the benefit that will accrue from them.
The strength of concrete and its cohesion with steel reinforcement shall not be less than 85% of its basic values ​​if no additives are used.

Types of Reinforced Concrete Addition and add-ons:
There are many types of add-ons, the most common are the following:

1. Additions to Accelerate Doubt:

Definition: They are materials used to obtain a high early resistance to concrete.

Its uses:

1. Provide the necessary time for the implementation of the installations.
2. Remove the chop early.

2. Additions Slow Down Uncertainty:

Definition: They are materials used to delay the initial or final setting of cement.

Its uses:

1. Pouring concrete in hot weather, where cement formation is rapid due to the heat of the atmosphere, speeds up its reaction with water.
2. The need to make additional formations for the concrete surface requires the concrete to remain elastic for a longer period.

Components, types, specifications, stages of manufacture, and time of hardening of concrete

3. Operability Improvement Plugins:

Definition: They are materials used to improve the workability of concrete without adding more water than necessary because adding too much water to the mixture reduces the strength of concrete.

Its uses:

1. When there is dense reinforcement inside the wooden wrenches.
2. When using pumps to raise concrete.

4. Trapped air additives:

Definition: They are materials used to create minute voids inside concrete to obtain lightweight concrete.

Its uses:

It is used when lightweight concrete is needed to make decorative formations and is not used in the basic parts of the structural structures of buildings (because the voids inside the concrete reduce its resistance).

5. Permeability Reducing Additives:

Definition: They are materials used to reduce the permeability of concrete to water and thus prevent the problem of rusting of reinforcement iron in the parts exposed to moisture. They are either materials that are added to concrete during mixing or materials that treat the final surfaces of concrete, blocking their voids and giving them the characteristic of impermeability to moisture.

Its uses:

1. In bridges that run over the waters of seas and rivers.
2. In concrete structures compensated for a high proportion of moisture (close to sea shores).
3. in concrete tanks.

There are many other additions, including:

1. Heat reducing additives due to hydration (reaction of cement and water).
2. Additives to resist corrosion and wear.

Source: wikipedia.org/wiki/Reinforced_concrete

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