Ground freezing and sampling of foundation soils at Duncan Dam

• Published in: Canadian Geotechnical Journal
• Main Authors: Sego, D.C., Robertson, P.K., Sasitharan, S., Kllpatrick, B.L., Pillai, V.S.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1994
• Subjects: Cold Regions Research and Engineering Laboratory; permafrost
• Online Access: http://dx.doi.org/10.1139/t94-109; http://www.nrcresearchpress.com/doi/pdf/10.1139/t94-109

In situ ground freezing to obtain undisturbed samples of a loose sand beneath the Duncan Dam in British Columbia is described. This was the first known use of ground freezing to assist in obtaining samples at depth greater than 10 m in Canada. Once frozen, the sand was cored and brought to the surfa...