Why is Cement used in Concrete ?

Concrete is an artificial stone formed by mixing cementitious materials (such as cement), aggregates (sand, stone), water and possible admixtures or adulterants in a certain proportion and hardening. It is one of the most widely used building materials in modern construction projects.

Cement is the cementing component of concrete, accounting for only 10-15%; #concrete_batching_plant

Concrete is a composite material, which contains cement, aggregate and water, and has higher comprehensive performance.

The reasons for using cement in concrete are as follows:

Bonding effect

Cement reacts with water to produce hydration products that can firmly bond aggregates such as sand and stone to form a strong whole.

Strength contribution #concrete_mixing_plant

Hydration of cement produces substances such as hydrated calcium silicate, which imparts high compressive and tensile strength to the concrete and ensures that it can withstand loads.

Durability enhancement  #UNIQUEGROUP

The products of cement hydration fill the pores and enhance the compactness of the concrete, giving it good resistance to seepage, freezing and chemical corrosion.

Work-ability adjustment

Cement paste improves the work-ability of concrete, making it easy to mix, transport and pour, and facilitating construction operations.

Wide adaptability #Concrete_Machinery

There are various types of cement, and suitable types of cement can be selected according to different engineering needs, such as ordinary silicate cement, slag cement, etc., to meet different environments and conditions of use.

To summarize, cement plays multiple roles in concrete, such as bonding, enhancing strength, improving durability, improving construction performance, etc. It is an indispensable key material for concrete.

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