
The elastoplastic problem for a circular cross-section tunnel with the pre-set boundary displacements is under consideration. For the cases of incomplete and complete enveloping of the tunnel boundary by elastoplasticity, the authors construct the solution free of the data “at infinity”, which allows assessment of the elastoplastic stresses and strains based on the data obtained on well surface and by the properties of the medium.
Рассматривается упругопластическая задача для выработки кругового сечения с заданными на ее границе смещениями. Для случаев полного и неполного охватов упругопластической границей контура выработки построено решение, не использующее данные на «бесконечности», позволяющее оценивать упругопластическое напряженное и деформированное состояния по данным на поверхности скважины и по свойствам среды.
НАПРЯЖЕНИЯ, ДЕФОРМАЦИИ, УПРУГОСТЬ, ПЛАСТИЧНОСТЬ, УПРУГОПЛАСТИЧЕСКАЯ ГРАНИЦА, ЗАДАЧА КОШИ
НАПРЯЖЕНИЯ, ДЕФОРМАЦИИ, УПРУГОСТЬ, ПЛАСТИЧНОСТЬ, УПРУГОПЛАСТИЧЕСКАЯ ГРАНИЦА, ЗАДАЧА КОШИ
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