| 摘要 |
PCT No. PCT/EP95/00539 Sec. 371 Date Oct. 6, 1995 Sec. 102(e) Date Oct. 6, 1995 PCT Filed Feb. 14, 1995 PCT Pub. No. WO95/21966 PCT Pub. Date Aug. 17, 1995A process for sealing soil formations, wherein a mineral sealing layer of a cohesive soil with the addition of powdery silicate of sodium is applied and mechanically compacted, and wherein: (a) firstly a homogenous mixture is prepared from a cohesive soil having a water in the wet area of the Proctor curve, with the addition of a powdery, aluminate-free soft gel-forming agent; (b) when the soft gel-forming agent has dissolved in the groundwater, powdery silicate of sodium is incorporated in homogeneously; and (c) finally the mixture is mechanically compacted.
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