Frost Depth Prediction for Seasonal Freezing Area in Lithuania
The calculation of the frost depth is included in the geotechnical design for the Lithuanian region. The average temperature could be below zero for three months a year and maximum seasonal frost depth reaches more than 1.5 m. The analysis has shown that the frost has been declining for the last 200 years, which has intensified particularly in recent years. The purpose of this study is to review two different methods (LST EN ISO 13793 and RSN 156-94) for determining frost depths. The frost depth calculations performed for dry and saturated sandy soils, which are mainly observed in road construction. Obtained results are compared with frost depth map based on road weather stations data
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