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Table 3.

Maximum frost heaving force and maximum stress area under the different groundwater level conditions.

TreatmentBuried depth of groundwater level (m)Maximum frost heaving force (MPa)Maximum stress location
Treatment 1 1.28 194.98c 2/5 
Treatment 2 1.78 237.12a 1/2 
Treatment 3 2.28 238.51a 5/9 
Treatment 4 2.78 228.26b 5/6 
Treatment 5 3.28 106.64d Slope toe 
TreatmentBuried depth of groundwater level (m)Maximum frost heaving force (MPa)Maximum stress location
Treatment 1 1.28 194.98c 2/5 
Treatment 2 1.78 237.12a 1/2 
Treatment 3 2.28 238.51a 5/9 
Treatment 4 2.78 228.26b 5/6 
Treatment 5 3.28 106.64d Slope toe 

Note: a, b, c, d were significant differences at 5% level.

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