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Influence Factors of the Performance of Foam Concrete Block

2016-01-14 16:07:59

1. Density is an important index to measure the quality of the foam concrete. The density of the foam concrete is mainly depends on these factors, such as vesicant content and water content, etc. The density of lightweight foam concrete is generally 300-100kg/m3, while the density of normal concrete is 1900-2500kg/m3.


Density(kg) Concrete Foam Wet weight(kg)
Cement(kg) Sand(kg) Water(L) GD foam agent(L) Water(L) Air(L)
400 320 0 140 0.94 35.2 716 498
600 360 150 160 0.83 31 630 703
800 360 350 160 0.74 27.4 559 899
1000 360 550 140 0.67 24.9 506 1077
1200 400 750 140 0.57 21.3 434 1273
1400 400 900 160 0.46 17.1 349 1478
1600 400 1100 160 0.36 13.6 277 1675
1800 400 1300 160 0.27 10.1 205 1871

2. Compressive strength:the strength of lightweight concrete block is generally 2.0 mpa, 2.5 mpa, 3.0 mpa, 3.5 mpa, etc. The foamed block which achieved the strength can be used to make the non-load bearing wall.

compressive strength of foam concrete block

3. Thermal conductivity: Compared with ordinary concrete, foamed concrete has excellent thermal insulation(0.05kcal/m°C). Its thermal insulation is about 20~30 times of the ordinary concrete, so foamed concrete has a strong insulation.
 
thermal conductivity of foam concrete block

Note: The data all above vary from the allocation condition of work-site. (The data is only provided for your reference by our company.) 

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