| 摘要 |
FIELD: construction.SUBSTANCE: invention proposes a building material obtained by preparing a mixture of caustic magnesite and expanded vermiculite with bulk density of 90 to 250 kg/mby adding effective amount of water solution of magnesium chloride with density of 1120÷1290 kg/m; amount of expanded vermiculite is 38.4÷217 kg on a one cubic metre basis; amount of caustic magnesite is 128÷217 kg on a one cubic metre basis, and volumetric ratio of caustic magnesite and expanded vermiculite is 1:3÷4:5.EFFECT: enlarging the range of materials for load-carrying structures, reducing specific mass, increasing strength, thermal conductivity, acoustic insulation, a section of half absorption for gamma- and X-ray radiation.7 cl, 2 tbl |
