The main components of concrete include cement (including cementitious materials such as mineral powder, fly ash, etc.), aggregates (sand, stone, ceramsite, etc.), water, and admixtures. The term concrete usually refers to cement concrete as cementitious material, sand and stone as aggregate; it is mixed with water (which may contain admixtures and admixtures) in a certain proportion, and the cement concrete obtained by stirring is also called ordinary concrete. Concrete, which is widely used in civil engineering. Concrete has the characteristics of abundant raw materials, low prices, and a simple production process, so its consumption is increasing. At the same time, concrete also has the characteristics of high compressive strength, good durability, and a wide range of strength grades. These characteristics make it widely used, not only in various civil engineering but also in shipbuilding, the machinery industry, marine development, geothermal engineering, etc. Concrete is also an important material. In concrete, sand and stone play the role of the skeleton, which is called aggregate; cement and water form cement slurry, and the cement slurry wraps the surface of the aggregate and fills its voids. Before hardening, the grout plays a lubricating role, giving the mixture certain workability and facilitating construction. After the cement paste hardens, the aggregate is cemented into a solid whole. The choice of cement grade should be compatible with the design strength grade of the concrete. In principle, high-strength grade concrete is prepared, and high-grade cement is used; when low-strength grade concrete is prepared, low-grade cement is selected. If it is necessary to use high-grade cement to prepare low-strength grade concrete, the amount of cement will be too small, which will affect the workability and compactness, so a certain amount of mixed materials should be added. If it is necessary to use low-grade cement to prepare high-strength grade concrete, the amount of cement will be too much, which is not economical and will affect other technical properties of concrete.