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)
Density(kg)	Cement(kg)	Sand(kg)	Water(L)	GD foam agent(L)	Water(L)	Air(L)	Wet weight(kg)
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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