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Ready-mixed concrete
Commercial concrete, also known as ready-mixed concrete, is a kind of concrete mix that is mixed in the mixing station in advance, sold to the construction unit in the form of commodities, and transported to the construction site for pouring construction materials. It is produced by cement, water, sand, stone and other raw materials according to a certain proportion, through measurement, mixing, transportation and other technological processes. The emergence and popularization of commercial concrete marks the transformation of concrete production from traditional construction site production to intensive and specialized mixing plant production, and realizes the specialization, commercialization and socialization of concrete production.

The main advantages of commercial concrete include:

Improved engineering quality:
Through centralized production, precise proportioning and quality control, the strength and stability of concrete are ensured, thus improving the quality of construction projects.

Speed up the construction progress: Because the concrete is pre-mixed, it can greatly reduce the construction time on the site and improve the construction efficiency.

Improve construction performance: Commercial concrete has good workability, can better fill the formwork, reduce waste in the construction process.

Environmental protection and energy saving: Through centralized production and efficient use of resources, dust and noise pollution on the construction site are reduced, and energy consumption caused by on-site mixing is also reduced.

In addition, commercial concrete is also divided into general supplies and special products. General supplies usually refer to concrete whose strength grade is not greater than C60 and slump is not greater than
180mm, while special products refer to concrete that exceeds these prescribed ranges or has special requirements, such as fine stone concrete, pile concrete, impermeable concrete, etc.