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Stability of mine workings in frozen soils
Abstract The laws of rheological processes (creep and long-term strength) occurring in frozen soils are considered and initial equations formulated. Methods for determining the strength and deformability characteristics are described; the values of these characteristics are given. Methods are considered for calculating the optimum thickness of the walls of ice—soil retaining structures built by means of artificial freezing and proposed by the authors, as well as methods of design for creep and long-term strength of the frozen soil surrounding various mine workings. The corresponding calculation equations are given; graphs are attached to facilitate the use of these equations. The calculation techniques are illustrated with examples.
Stability of mine workings in frozen soils
Abstract The laws of rheological processes (creep and long-term strength) occurring in frozen soils are considered and initial equations formulated. Methods for determining the strength and deformability characteristics are described; the values of these characteristics are given. Methods are considered for calculating the optimum thickness of the walls of ice—soil retaining structures built by means of artificial freezing and proposed by the authors, as well as methods of design for creep and long-term strength of the frozen soil surrounding various mine workings. The corresponding calculation equations are given; graphs are attached to facilitate the use of these equations. The calculation techniques are illustrated with examples.
Stability of mine workings in frozen soils
Vyalov, S.S. (author) / Zaretsky, Yu.K. (author) / Gorodetsky, S.E. (author)
Engineering Geology ; 13 ; 339-351
1978-06-15
13 pages
Article (Journal)
Electronic Resource
English
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