Patent · US Expired

Process for stabilizing soil

US4004428A · kind A · utility

12Cited by
6References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 6, 1975
Grant dateJan 25, 1977
Priority date
Expiry dateNov 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.