Fordele ved pladsstøbt skumbeton

What is cast-in-place foam concrete?

Pladsstøbt skumbeton refererer til et letvægtsskum fremstillet ved fysisk at fremstille en vandig skummiddelopløsning, og derefter tilføje skummet til en opslæmning lavet af cement, aggregater, tilsætningsstoffer, tilsætningsstoffer, og vand.

The application of cast-in-place foam concrete can be divided into two categories:

1. Cast-in-place foam concrete is mainly made of products. F.eks: skumbetonblok, foam concrete lightweight partition wall, foam concrete cultural stone, foam concrete garden application, osv.

2. The cast-in-place foam concrete is mainly cast on-site.

F.eks: backfilling (landfilling of garbage dumps, road and bridge applications, load-reducing filling of tunnel entrances, subway load-reducing filling, osv.), foam concrete cast-in-place walls, osv. Because foamed concrete has the characteristics of environmental protection, simple construction and operation, stabil kvalitet, and can be poured on-site. The foamed concrete poured on site is called cast-in-place foamed concrete or cast-in-place foamed cement.

1) Termisk isolering: The thermal conductivity is 0.06-0.28W/(M.K), og den termiske modstand er ca 10-20 gange mere end almindelig beton.

2) Letvægts: The dry bulk density is 300-1600KG/M3, hvilket svarer til ca 1/5 til 1/8 af almindelig cementbeton, som kan reducere bygningens samlede belastning.

3) Integritet: On-site pouring construction is closely integrated with the main project, without boundary gaps and ventilation pipes.

4) Low elasticity and shock absorption: The porosity of cast-in-place foamed concrete makes it have a low elastic modulus, so that it has a good absorption and dispersion effect on impact loads.

5) Lydisolering: The cast-in-place foam concrete contains a large number of independent bubbles, og de er jævnt fordelt. Lydabsorberingsevnen er 0.09-0.19%, hvilket er 5 gange mere end almindelig beton. It has an effective sound insulation function.

6) Trykmodstand: The compressive strength is 0.6-25.0MPA.

7) Vandmodstand: The cast-in-place foam concrete has low water absorption, relativt uafhængige lukkede bobler og god integritet, which make it have a certain waterproof performance.

8) Holdbarhed: det samme som hovedprojektets levetid.

9) Enkel konstruktion: only need to use cement foaming machine to realize automatic operation, can realize long-distance transportation with a vertical height of 200 meter, and the workload is 150-300M3/working day.

10) Miljøbeskyttelse: The raw materials required for foamed concrete are cement and foaming agent. The foaming agent is neutral and does not contain harmful substances such as benzene and formaldehyde, which avoids environmental pollution and fire-fighting hazards.

11) Økonomi: Low overall cost.

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