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Geomechanics and Engineering
  Volume 13, Number 5, November 2017 , pages 793-807

Regularities for temperature variation in subgrade of highway
Bagdat B. Teltayev and Elena A. Suppes

    Regularities of temperature variation were determined in points of subgrade of the highway. Measurement of temperature was performed by special sensors, based on the effect of thermal resistance. Regular measurements of temperature were performed for two sections of the highway with asphalt concrete and cement concrete pavements for continuous period from November 2010 to March 2016. Multi-year experimental data, which we obtained, allowed establishing of peculiarities for temperature variation in points of subgrade in time and temperature distribution in the depth for annual cycle. Characteristics were determined for winter period-depth, duration and freezing rate, duration and defreezing rate for pavement and subgrade of the highway.
Key Words
    highway; subgrade; sensor; temperature; temperature gradient; freezing; defreezing
Bagdat B. Teltayev and Elena A. Suppes: Kazakhstan Highway Research Institute, 2A, Nurpeissov St., Almaty City, 050061, Republic of Kazakhstan

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