What is the role of ceramsite concrete
Release time:
2021/12/27
Ceramsite concrete refers to the use of ceramsite instead of small stones to make concrete raw materials. We usually see the assembly of steel concrete structure of the building exterior wall panel, is the use of ceramsite concrete. Ceramsite concrete is more heat-resistant, so relatively fire performance will be better than ordinary concrete. In addition, the strength of ceramsite concrete for structure can exceed 40MPa, and the performance of heat preservation and heat resistance is excellent. Ceramsite concrete is suitable for buildings, bridges, ships and kiln foundations. It is commonly known as lightweight concrete, which can solve the problem of small choice of ordinary concrete surface dry density, and make the selection range of concrete surface dry density more perfect.
Ceramsite concrete refers to the use of ceramsite instead of small stones to make concrete raw materials. We usually see the assembly of steel concrete structure of the building exterior wall panel, is the use of ceramsite concrete.
Ceramsite concrete is more heat-resistant, so relatively fire performance will be better than ordinary concrete. In addition, the strength of ceramsite concrete for structure can exceed 40MPa, and the performance of heat preservation and heat resistance is excellent.
Ceramsite concrete is suitable for buildings, bridges, ships and kiln foundations. It is commonly known as lightweight concrete, which can solve the problem of small choice of ordinary concrete surface dry density, and make the selection range of concrete surface dry density more perfect.
Key features:
1. Ceramsite concrete is light in weight, its dry bulk density is 800 --- 1900KG/M3, which is 2/3-1/5 lighter than ordinary concrete, and its label can reach CL5---CL60. Because of its light weight, it can reduce the foundation load, thus reducing the weight of the whole building;
2. Ceramsite concrete has good thermal insulation performance and small heat loss. The thermal conductivity of ceramsite concrete is generally 0.2 --- 0.7KCAL/M.0C.N, which is more than half lower than that of ordinary concrete. Therefore, the thickness of the wall can be reduced, the indoor width can be increased accordingly, and the thermal insulation performance of the room can be greatly improved under the condition of the same wall thickness. Ceramsite concrete due to light weight, low elastic modulus, allowing the change of performance is larger, so the seismic performance is better.
3. Ceramsite concrete has good impermeability. The surface of ceramsite is rougher than gravel and has the ability to absorb water, so the bonding capacity between ceramsite and cement mortar is strong, so ceramsite concrete has high impermeability and durability.
4. Ceramsite concrete fire is good. Fire test results show that its fire temperature can reach more than 3 hours. The fire-resistant temperature of ordinary concrete is generally 1.5-2 hours.
5. Ceramsite concrete has the characteristics of strong construction adaptability. It can not only prepare concrete materials with different bulk density and strength according to different uses and functions of buildings (according to the structure or load-bearing structure used for thermal insulation), but also has simple construction and is suitable for industrial production of various construction methods, it can not only use prefabricated process to produce various types of components (such as plates, blocks, beams, columns, etc.) but also use cast-in-place mechanized construction. Ceramsite concrete construction adaptability is any other lightweight building materials (such as aerated, etc.) can not be compared.
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