FIELD: construction.
SUBSTANCE: invention relates to production of concrete, which can be used in construction of thermal generating units. Refractory concrete mixture contains, wt%: alumina cement 32.0–34.0; kaolin 0.5–1.0; steel fibre with length of 5–10 mm 2.0–3.0; carborundum 12.0–13.0; alumina 4.0–4.6; clay – balance, with water–cement ratio 0.5–0.6.
EFFECT: technical result is high heat resistance of concrete.
1 cl, 1 tbl
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