Land-Improvement Technology Using the Heat of Soil Stabilizer Reactions in Cold Regions
2015
Laboratory tests on small soil specimens under cold weather conditions found that curing temperature significantly influenced the strength of unsuitable soil improved by adding a stabilizer. The improved soil was found to develop little strength when the ambient temperature was below 0°C. However, the authors considered that the temperature inside a full-scale embankment might not decrease as much as in the small specimens in the laboratory tests because the ambient temperature is expected to have a smaller effect on the soils in the full-scale embankment than on the small soil specimens. In this study, they conducted a field experiment to investigate the extent of freezing and the strength improvement of soils that have been modified with stabilizers. In addition, they measured the effects of a quicklime-mixed soil blanket placed on the constructed embankment. The field experiment confirmed that the embankment underwent little freezing while the soil was developing strength.
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