| 摘要 |
The invention relates to mixes for filling worked out and fixation space, backfill and tightening mine workings, strengthening rough stone strips at laying those at joint of face with drift, formation etc. Composition of curing mix for filling worked out space includes, mass %: alumopotassium halloon 15.1-18.4; water 15.4-23; mix of 60 % of milled natural anhydrite of fraction d= 3-5 mm and 40 % of tailings of coal (mud) dressing of fraction d= 0.25-0.5 mm with humidity 13-15 % - the rest. Decrease of terms of preparation is provided, of time of mix curing beginning, with increase of strength and adhesion to wall rocks. |
