| 摘要 |
FIELD: construction. ^ SUBSTANCE: invention is related to industry of construction materials. Manmade rock of mixture, including the following components, wt %: cement 30-32, ferric oxides 1-1.5, ferric sulfides 1-1.5, haydite sand 29.5-31.5, coil treatment wastes, ground and sieved through mesh No. 5 14-16, water 20-22. ^ EFFECT: improved ecological safety of manmade rock. ^ 1 tbl |
