Abstract

Low-density foam concrete is inorganic silicate material that can replace traditional organic materials for external wall insulation system. Based on the analysis of structure formation mechanism of foam concrete prepared with chemical method, investigation by a large number of comparative tests and quantitative analysis, quantitative relationship of foaming concrete 3d, 7d and 28d compressive strength and thermal conductivity at different water temperature are analyzed. The relationship between water temperature and foam concrete strength and thermal conductivity is revealed and that finds out the best production of foam concrete temperature. And further, independent sealing pores, high mechanical strength of pore wall, pore structure approximate to sphere and pore diameter with similar and small size were all favorable factors for higher strength of foam concrete.

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