| 发明名称 |
PUMPABLE BACKFILL MATERIAL OF HIGH STRENGTH |
| 摘要 |
<p>CBP157 An aqueous slurry of backfill material e.g. slimes, includes a settable material and an activator therefor, e.g. pulverised fuel ash and lime, and a lubricant e.g. clay and a plasticiser, 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 |
CA1266170(A) |
申请公布日期 |
1990.02.27 |
| 申请号 |
CA19860512790 |
申请日期 |
1986.06.30 |
| 申请人 |
FOSROC INTERNATIONAL LIMITED |
发明人 |
HAIGH, JEFFREY G.;MARSH, ANDREW J. |
| 分类号 |
C04B28/22;(IPC1-7):E21F15/00 |
主分类号 |
C04B28/22 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
