Method for improving the characteristics of sulfate bearing soil

Details Method for improving the characteristics of sulfate bearing soil Method for improving the characteristics of sulfate bearing soil

1991-02-05

1992-06-16

Taylor, Dennis L.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405266, 106900, C09K 1700, E02D 312

Patent

active

051220121

ABSTRACT:
A method is shown for reducing the swelling action of sulfates in clay bearing soils while increasing the bearing strength values of the soils by treating soils having high sulfate content with a barium containing compound in an amount effective to react with the sulfate present in the soils, thereby forming less soluble reaction products and decreasing the tendency of the soil to form ettringite. The soil is further stabilized by the application of lime.

REFERENCES:
patent: 2916853 (1959-12-01), Latourette
patent: 3635742 (1972-01-01), Fujimasu
patent: 3741308 (1973-06-01), Veley
patent: 4329090 (1982-05-01), Teague et al.

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