| 摘要 |
FIELD: construction. ^ SUBSTANCE: raw mix to make gas concrete includes the following components, wt parts: portland cement 140-150, lime 140-150, quartz sand 430-440, gypsum 4-4.5, aluminium powder 2-2.2, water 480 - 500; synthetic fibre cut into sections of 5-25 mm 10-15. Synthetic fibre may be profiled. ^ EFFECT: strength improvement. ^ 2 cl, 1 tbl |
