Hydraulic and earth engineering – Earth treatment or control – Compaction
Patent
1996-05-24
1998-07-14
Graysay, Tamara L.
Hydraulic and earth engineering
Earth treatment or control
Compaction
405258, 404 31, E02D 302
Patent
active
057793972
ABSTRACT:
A method is provided for improving a soil body against vibration and liquefaction. According to the method, a higher strength stage is formed within the soil body, and a lower strength surface stage is formed above the higher strength stage. The higher strength stage includes a plurality of higher hardness portions formed by a consolidation process. Similarly, the lower strength stage includes a plurality of lower hardness portions also formed by a consolidation process in corresponding relation to the higher hardness portions.
REFERENCES:
patent: 3614867 (1971-10-01), Nieman
Hashimoto Mitsunori
Naruse Tasuichirou
Takemiya Hirokazu
Graysay Tamara L.
Hartmann Gary S.
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