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Title: Present methods of preparing frozen ground for excavation = Sovremennye sposoby podgotovki merzlykh gruntov k ekskavatsii
Authors: Chelnokov, S. S.
Keywords: Frozen ground
Frozen soils
Frozen ground mechanics
Excavating equipment
Publisher: U.S. Army Snow, Ice, and Permafrost Research Establishment.
Engineer Research and Development Center (U.S.)
Series/Report no.: Draft translation ; 64.
Description: SIPRE Translation
Summary: Methods used in Moscow, Russia for digging frozen ground are described, and their effectiveness as conditioned by soil composition and thickness of the frozen layer is discussed. Personal safety in the city and safe methods of underground construction limit the application of the simple and inexpensive method of blasting. Wedge-shaped strikers have been used successfully to break-up ground frozen to depths less than 0.7-0.8 m. Preliminary thawing of frozen ground has proved effective near the end of winter, when frost penetration reaches 1.5 m or more in Moscow. Square cuts to depths of 60-80 cm in ground frozen to 1.5 m were effectively used in the construction of the Volga-Don Canal.
Appears in Collections:SIPRE Translations

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