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The most comprehensive summary of the application of foamed concrete

2020-12-18 15:58:34  News

In recent years, foam concrete has been loved by everyone. On the one hand, foamed concrete foaming is convenient and straightforward to construct, on the other hand, foamed concrete products have their advantages of thermal insulation, lightweight, thermal insulation, and fire prevention—the main reason why concrete has been promoted. At present, the world is vigorously promoting foam concrete. Tongrun will show you some aspects of foam concrete application.

1  Cellular lightweight concrete (CLC blocks. CLC block is the material with the most extensive application of foam concrete in wall materials. In the southern region of China, foam concrete blocks with a density grade of 900-1200kg / m3 are generally used as the filling walls of the frame structure, mainly because of the characteristics of excellent heat insulation and lightweight and high strength.

2  Lightweight foam concrete wall panel. At present, the primary material used for building partitions and room partitions is GRC lightweight wallboard, which has affected its promotion and application due to the high price of its raw materials. The Chinese Academy of Building Materials Science has used the GRC partition wallboard production process combined with the research results of trustworthy foaming agent and foam cement to develop the production technology of fly ash foam cement lightweight wallboard and has been applied.

3  Foam concrete compensation foundation. Modern building design and construction pay more and more attention to the free settlement of buildings during construction. Due to the difference in the self-weight of each part of the building group, there will be a difference in the free agreement during the construction process. In the building design process, it is required that the foundation of the building with a low self-weight be filled with soft materials as a compensation foundation. Foam concrete can better meet the requirements of compensating foundation materials.

4  Used as a retaining wall. Mainly used as a rock wall in the port. Foam concrete used as a light backfill material behind the shore wall can reduce the vertical load and also reduce the lateral weight on the shore wall. This is because the foam concrete is a rigid body with excellent bonding performance. It does not exert lateral pressure on the shore wall along the periphery. The settlement is reduced, and the maintenance cost is reduced, which saves a lot of expenses. Foamed concrete can also be used to improve the stability of embankment slopes, and use it to replace part of the soil on the slopes. Due to the reduced mass, the force that affects the balance of the hills is diminished.

5 As a sandwich layer member. When prefabricating reinforced concrete members, foam concrete can be used as the inner core, so that it has excellent performance of lightweight, high strength and heat insulation. Foam concrete with a density of 400-600kg / m3 is usually used.

6  Used as a composite wall panel. It is made of foam concrete into various light-weight boards, used as heat-insulating filling walls or built of composite wall panels with thin steel plates in the frame structure. The density of foam concrete is usually about 600kg / m3.

7  Pipeline backfill. Underground oil tanks, pipelines (containing crude oil, chemicals), sewage pipes and other cavities are prone to fire or collapse. The use of foam concrete backfilling can solve these problems and cost less. The density of foam concrete depends on the diameter of the pipe and the groundwater level, which is generally 600-1100kg / m3.

8  Concrete filling. Due to the use of flexible hoses, foam concrete has excellent workability and adaptability, so it is often used for concrete filling. If the requirements for thermal insulation are not very high, use a concrete mixture with a density of about 1200kg / m3 and an average thickness of 0.05m; if the requirements for thermal insulation are high, use a lean concrete filling with a mass of 500kg / m3 The average width is 0.1-0.2m.

9 Roof slope. Foam concrete is used for roof slopes and has the advantages of lightweight, fast construction speed and low price. The hill is generally 10mm / m, the thickness is 0.03-0.2m, and the foam concrete with a density of 800-1200kg / m3 is used.

In summary, the application of foam concrete technology in building construction has a significant value and has a positive impact on the improvement of building construction quality and construction efficiency. The research on foam concrete technology is still in its infancy, and it requires the relevant technical personnel to increase research efforts and continue to develop and improve to take advantage of the characteristics and benefits of foam concrete so that foamed concrete has been promoted in more fields.

Cie-China.org is the leading foam concrete additives provider providing concrete foaming agent, superplasticizer,foam concrete strength enhancer for lightweight concrete, CLC blocks. If you are looking for foaming agent, please feel free to contact us.

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