FIELD: construction.
SUBSTANCE: invention relates to building materials and can be used in the manufacture of ceramic building materials, for example bricks. Ceramic mixture contains Cambrian clay, aluminothermic railway joint welding slag, with a module of size Ms=2.8, consisting of 90 % of hercynite represented by glandular spinel, and alumina, crushed combat of refractory shapes from aluminothermic welding of rails, represented by quartz sand with the remains of unburned organic binder to 3 %, screened on a No. 1 sieve, with the following proportions of components, %: Cambrian clay 69–74, indicated slag 3–5, said crushed battle of refractory molds 23–26.
EFFECT: decrease in density and thermal conductivity.
1 cl, 1 tbl
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Authors
Dates
2018-11-19—Published
2017-12-11—Filed