| 摘要 |
FIELD: manufacture of building materials; civil and industrial engineering. ^ SUBSTANCE: proposed concrete contains cement, crushed stone, sand, water, water glass and chips of used wooden sleepers at the following ratio of components, mass-%: cement, 17.0-22.0; water glass, 0.2-0.7; crushed stone, 39.3-45.7; sand, 26.2-30.4; chips of wooden sleepers, 0.5-5.0; the remainder being water. ^ EFFECT: enhanced ecological safety due to safe utilization of toxic materials. ^ 1 tbl, 1 ex
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