| 摘要 |
<p>An impervious screen grout, comprising a wet mixture of clay, blast furnace slag and activator, is new. A grout for impervious screens consists of a mixture of water, a natural or modified clay, a blast furnace slag of 50-100 mu maximum grain size and an activator. Independent claims are also included for the following: (i) production of an impervious screen using the above grout; and (ii) use of blast furnace slag of 50-100 mu maximum grain size for preparation of a grout used in impervious screen production.</p> |
