Volgograd, Vologda, Russian Federation
Volgograd, Volgograd, Russian Federation
GRNTI 67.01 Общие вопросы строительства
BBK 308 Монтаж, эксплуатация, ремонт машин и промышленного оборудования
The paper presents the results of a study to determine the technological contours of horizontal underground workings and the maximum safe depth of their laying. The criterion for determining the limiting depth can be the condition that there are no points on the output circuit at which the stresses the tangential normal stress exceeds the tensile and compressive strengths of the host rock. The results of solving the problem of finding fracture zones on a circular cross-section working circuit are in satisfactory qualitative agreement with the result obtained independently of the authors.
display function, horizontal output, stress state of the enclosing array-stresses on the output circuit, lateral pressure coefficient (thrust), maximum depth of laying, stability criterion, fracture zones
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