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METHOD OF LAYING DATUM SOIL MARK IN PERMAFROST REGIONS
METHOD OF LAYING DATUM SOIL MARK IN PERMAFROST REGIONS
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机译:在多年冻土区铺设基准土壤痕迹的方法
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use: in geodesy, laying the ground u0440u0435u043fu0435u0440u043eu0432 in human settlements in the area of permafrost. the essence of the u0438u0437u043eu0431u0440u0435u0442u0435u043du0438u00a0: digging a ditch to a depth equal to the depth of u043eu0442u0442u0430u0439u043au0438 u043cu0435u0440u0437u043bu043eu0433u043e soil. in u043au043eu0442u043bu043eu0432u0430u043du0435 u043fu0440u043eu0431u0443u0440u0438u0432u0430u044eu0442 keyhole depth of 50 - 60 cm and pushes her u0440u0435u043fu0435u0440u043du0443u044e pipe. at the bottom of the u043au043eu0442u043bu043eu0432u0430u043du0430 set and form the bottom u043au043eu0442u043bu043eu0432u0430u043du0430 u00a0u043au043eu0440u044c by pouring concrete. 1 il.
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