Aditivi za lagani beton | Sredstva za pjenjenje visokih performansi za celularni beton
What is cast-in-place foam concrete?
Pjenasti beton za livenje na mjestu odnosi se na laganu pjenu napravljenu fizičkim pripremanjem vodene otopine sredstva za pjenjenje, a zatim dodavanjem pjene u kašu napravljenu od cementa, agregati, primjese, primjese, i vodu.
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. Na primjer: foam concrete block, foam concrete lightweight partition wall, foam concrete cultural stone, foam concrete garden application, itd.
2. The cast-in-place foam concrete is mainly cast on-site.
Na primjer: backfilling (landfilling of garbage dumps, road and bridge applications, load-reducing filling of tunnel entrances, subway load-reducing filling, itd.), foam concrete cast-in-place walls, itd. Because foamed concrete has the characteristics of environmental protection, simple construction and operation, stabilna kvaliteta, 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) Toplinska izolacija: The thermal conductivity is 0.06-0.28W/(M.K), a toplinski otpor iznosi oko 10-20 puta više od običnog betona.
2) Lagan: The dry bulk density is 300-1600KG/M3, što je ekvivalentno otprilike 1/5 do 1/8 of ordinary cement concrete, što može smanjiti ukupno opterećenje zgrade.
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) Zvučna izolacija: 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%, koji je 5 puta više od običnog betona. It has an effective sound insulation function.
6) Compressive resistance: The compressive strength is 0.6-25.0MPA.
7) Vodootpornost: The cast-in-place foam concrete has low water absorption, relativno nezavisni zatvoreni mjehurići i dobar integritet, which make it have a certain waterproof performance.
8) Izdržljivost: the same as the life of the main project.
9) Jednostavna konstrukcija: only need to use cement foaming machine to realize automatic operation, can realize long-distance transportation with a vertical height of 200 metara, a opterećenje je 150-300M3/radni dan.
10) Zaštita okoliša: 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) Gospodarstvo: Low overall cost.
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