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Frost Heave Experiment in Open Pit
In-situ frost heave test was conducted for the three kinds of soil in open pits. The purpose of this experiment was to observe frost heave of geotechnical materials in natural conditions and to provide fundamental data for future forecasting frost heave at cut slope and road fills. The experiment of the first season showed the following. (1)The maximum frost penetration depth varied by soil type. The soil which has low thermal conductivity showed small frost penetration. (2)The measured frost heave did not clearly reflect the frost heaving properties in the laboratory frost heave test. Although this might have been due to the difference in saturation, ground water supply and other conditions, further examination will be necessary to clarify this point. (3)The maximum frost heaving force of 3 to 5 MPa was measured. This was thought to serve as a reference in considering future measures against frost heaving.
Frost Heave Experiment in Open Pit
In-situ frost heave test was conducted for the three kinds of soil in open pits. The purpose of this experiment was to observe frost heave of geotechnical materials in natural conditions and to provide fundamental data for future forecasting frost heave at cut slope and road fills. The experiment of the first season showed the following. (1)The maximum frost penetration depth varied by soil type. The soil which has low thermal conductivity showed small frost penetration. (2)The measured frost heave did not clearly reflect the frost heaving properties in the laboratory frost heave test. Although this might have been due to the difference in saturation, ground water supply and other conditions, further examination will be necessary to clarify this point. (3)The maximum frost heaving force of 3 to 5 MPa was measured. This was thought to serve as a reference in considering future measures against frost heaving.
Frost Heave Experiment in Open Pit
Nishikawa, Jun'ichi (author) / Sakuraba, Mitsuru (author)
11th International Conference on Cold Regions Engineering ; 2002 ; Anchorage, Alaska, United States
Cold Regions Engineering ; 675-682
2002-05-08
Conference paper
Electronic Resource
English
Frost Heave Experiment in Open Pit
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