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What is cast-in-place foam concrete?
Betonul spumos turnat in loc se referă la o spumă ușoară obținută prin prepararea fizică a unei soluții apoase de agent de spumă, și apoi adăugarea spumei într-o suspensie făcută din ciment, agregate, aditivi, aditivi, si apa.
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. De exemplu: foam concrete block, foam concrete lightweight partition wall, foam concrete cultural stone, foam concrete garden application, etc.
2. The cast-in-place foam concrete is mainly cast on-site.
De exemplu: backfilling (landfilling of garbage dumps, road and bridge applications, load-reducing filling of tunnel entrances, subway load-reducing filling, etc.), foam concrete cast-in-place walls, etc. Because foamed concrete has the characteristics of environmental protection, simple construction and operation, calitate stabilă, 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) Izolatie termica: The thermal conductivity is 0.06-0.28W/(M.K), and the thermal resistance is about 10-20 ori mai mult decât a betonului obișnuit.
2) Ușoare: The dry bulk density is 300-1600KG/M3, care este echivalent cu aproximativ 1/5 la 1/8 a betonului obișnuit de ciment, ceea ce poate reduce sarcina totală a clădirii.
3) Integrity: 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) Izolare fonică: The cast-in-place foam concrete contains a large number of independent bubbles, and they are evenly distributed. The sound absorption capacity is 0.09-0.19%, care este 5 ori mai mult decât a betonului obișnuit. It has an effective sound insulation function.
6) Compressive resistance: The compressive strength is 0.6-25.0MPA.
7) Rezistenta la apa: The cast-in-place foam concrete has low water absorption, bule închise relativ independente și integritate bună, which make it have a certain waterproof performance.
8) Durabilitate: the same as the life of the main project.
9) Simple construction: only need to use cement foaming machine to realize automatic operation, can realize long-distance transportation with a vertical height of 200 metri, and the workload is 150-300M3/working day.
10) Protecția mediului: 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) Economy: Low overall cost.
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