| 发明名称 |
PUMPABLE BACKFILL MATERIAL OF HIGH STRENGTH |
| 摘要 |
<p>An aqueous slurry of backfill material e.g. slimes, includes a settable material and an activator therefor, e.g. pulverized fuel ash and lime, and a lubricant e.g. clay and a plasticizer, e.g. a lignosulphonate so that the slurry can be pumped over long distances but will then set to develop high early strength.</p> |
| 申请公布号 |
EP0207717(A3) |
申请公布日期 |
1987.04.01 |
| 申请号 |
EP19860304872 |
申请日期 |
1986.06.24 |
| 申请人 |
FOSROC INTERNATIONAL LIMITED |
发明人 |
HAIGH, JEFFREY GEORGE;MARSH, ANDREW JEREMY |
| 分类号 |
C04B28/22;(IPC1-7):E02F5/12;E21F15/00 |
主分类号 |
C04B28/22 |
| 代理机构 |
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代理人 |
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