Consolidation and waterproofing of soils, by freezing
DOI:
https://doi.org/10.3989/ic.1971.v24.i230.3376Abstract
In porous soils the traditional methods of consolidation and waterproofing, through the injection of cement or resins, do not give good results. In these cases various chemical salts are injected (sodium silicate, alumina sulphate, etc.), or else the soil is frozen. The latter method is the one described in this paper. Among the systems adopted, recently the use of liquid nitrogen has been tried. The author describes its advantages in relation to other freezing methods, the characteristics of liquid nitrogen, the methods of injection, and also a number of particular projects, in various countries, where liquid nitrogen has been used.
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