FIELD: engineering- geological survey to prepare recommendations for construction of technical structures under conditions of rocks frozen by seasons and in zones of permafrost. SUBSTANCE: method involves vertical electric probing, geothermy and determination of layers lying below day surface. Then microelectric probings are conducted, depth of lying of surface coinciding with isothermic line with zero values of temperature is found with their use, difference of thicknesses between depth of isothermic line with zero value and relief of day surface is determined. Gradient of change of temperature to depth of laying of foundation is found and change of gradient of temperature is observed during period from maximum freezing to maximum thawing. Prediction for laying of foundation is made on basis of obtained data. EFFECT: enhanced authenticity of prediction. 1 dwg
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