| 发明名称 |
METHOD AND COMPOSITION FOR INJECTION AT A TUNNEL BORING MACHINE |
| 摘要 |
A method of boring a tunnel by means of an earth pressure balance tunnel boring machine, comprising the injection at the cutting head of a foamed aqueous solution and an aqueous solution of a water-soluble acrylic acid-based polymer. The method allows easier tunnel boring in soft, sticky soils.
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| 申请公布号 |
CA2517420(C) |
申请公布日期 |
2011.11.29 |
| 申请号 |
CA20042517420 |
申请日期 |
2004.02.10 |
| 申请人 |
CONSTRUCTION RESEARCH & TECHNOLOGY GMBH |
发明人 |
ELLENBERGER, PETER |
| 分类号 |
C09K8/38;C09K8/12;E21B21/00;E21D9/00;E21D9/06;E21D9/087 |
主分类号 |
C09K8/38 |
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