Process for stabilizing soil
US4004428A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 6, 1975 |
| Grant date | Jan 25, 1977 |
| Priority date | — |
| Expiry date | Nov 6, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S106/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In the stabilization of soil which comprises injecting into soil a mixture of (A) an aqueous sodium silicate solution and (B) at least one compound selected from the group consisting of chlorides, sulfates and nitrates of aluminum, magnesium and iron, and then gelling the injected mixture in soil, the formation of a large amount of the metal hydroxide precipitate on mixing the components (A) and (B) can be prevented by adding (C) at least one oxy acid selected from the group consisting of citric acid, tartaric acid and lactic acid to any one of the components (A) and (B).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.