Method for strengthening water-saturated soft soils

Details Method for strengthening water-saturated soft soils Method for strengthening water-saturated soft soils

1980-05-28

1981-12-22

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, 106109, 106117, 106900, 405266, C04B 702

Patent

active

043069100

ABSTRACT:
A water-saturated soft soil is efficiently improved in its strength by incorporating thereinto an additive composed of ingredients A, B and C; the ingredient A comprises gypsum, the ingredient B comprises a mixture of 40-55% by weight of a Portland cement and 60-45% by weight of a water-granulated iron blast furnace slag having a particle size almost equal to or smaller than that of the Portland cement and the ingredient C comprises a water-soluble ferrous salt. The ratio by weight of the ingredient A to the ingredient B ranges from 10/90 to 30/70 and the total amount of the ingredients A and B used for the soft soil is sufficient to strengthen the soft soil. The ingredient C is used in an amount sufficient to react with hydrogen sulfide contained in the soft soil to be treated.

REFERENCES:
patent: 1748839 (1930-02-01), Grunewald
patent: 2182714 (1939-12-01), Witt
patent: 2947643 (1960-08-01), Kamlet
patent: 3947284 (1976-03-01), Kitsugi et al.
patent: 4209335 (1980-06-01), Katayama et al.

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