FIELD: construction.
SUBSTANCE: filler for concrete is made in the form of grain of round shape, having a cavity 3, formed by means of adhesion of two parts 1 and 2, made from clayey raw materials by moulding with subsequent baking, with a porous body 4 placed in the cavity 3, produced in process of baking of adhered parts 1 and 2 by foaming of foam glass charge including the following components, wt %: ground silicate glass 93-97 and gasifier - chalk or marble or coke 3-7, besides, at least one of parts is perforated 5.
EFFECT: production of a light strong filler having heat insulation properties, simplified technology of its manufacturing.
1 dwg, 1 tbl
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