Method for preventing the adverse effects of swell in sulfate bearing, expansive clay soils
US5228808A · kind A · utility
18Cited by
13References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 1991 |
| Grant date | Jul 20, 1993 |
| Priority date | — |
| Expiry date | Nov 27, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method is shown for stabilizing sulfate bearing soils in which a silica compound is incorporated into the soils with the soils being further stabilized by the application of lime. The silica compound can be either an amorphous, flume silica, a crystalline silica, a silica gel, sodium silicate, potassium silicate or combination thereof. The silica compound and lime can be incorporated into the soils in a single step.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.