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Funct. Mater. 2019; 26 (4): 802-806.


Experimental study of the effect of chemical additives on mechanical properties of foamed concrete


Department of Environmental Engineering, North China Institute of Science and Technology, Langfang, 065201 Hebei, China


This paper deals with the foaming of four commonly used anionic surfactants, such as sodium α-alkenyl sulfonate AOS, fatty acid polyoxyethylene ether sodium sulfate, sodium dodecyl benzene sulfonate LAS and sodium dodecyl sulfate K12 (CMC), which were used as the foaming agent mother liquor. And the new liquid silicone foam stabilizer (FM) and carboxymethyl cellulose sodium (CMC) were used to modify the mother liquor. With the increase of fly ash content, the appearance of foam concrete in the air-cooled group has no obvious change, and the appearance can be kept intact. The appearance of the water-cooled group is obvious. With the increase of fly ash content, the appearance of foam defects are more serious.

foam concrete, chemical additives, compressive strength.

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