Proceedings of Petersburg Transport University Proceedings of Petersburg Transport University Известия Петербургского университета путей сообщения 1815-588X 2658-6851 126798 10.20295/1815-588X‑2026-2-462-472 Общетехнические задачи и пути их решения GENERAL TECHNICAL PROBLEMS AND SOLUTION APPROACH Общетехнические задачи и пути их решения Stress-Strain State of the Tunnel Chamber After Renovation of the Ventilation Shaft Изменение напряженно-деформированного состояния тоннельной камеры после капитального ремонта вентиляционной шахты Сокорнов Антон Александрович Sokornov Anton Aleksandrovich scarlunch@mail.ru Коньков Александр Николаевич Kon'kov Aleksandr Nikolaevich ankonkov@yandex.ru

кандидат технических наук;

candidate of technical sciences;

 Петербургский государственный университет путей сообщения Императора Александра I Санкт-Петербург Россия Emperor Alexander I St. Petersburg State Transport University Saint-Petersburg Russian Federation Петербургский государственный университет путей сообщения Императора Александра I Санкт-Петербург Россия Emperor Alexander I Petersburg State Transport University Saint-Petersburg Russian Federation 30 06 2026 30 06 2026 23 2 462 472 05 02 2026 14 04 2026 https://itt-pgups.ru/en/nauka/article/126798/view

Цель: выполнить оценку изменения напряженно-деформированного состояния обделки тоннельной камеры, находящейся под вентиляционной шахтой и испытывающей на себе давление пеностеклобетона — слоя конструкционного усиления и утепления шахты. Методы: исследование было выполнено в плоской и объемной постановках методом Метрогипротранса (Hyperstatic Reaction Method, HRM) и методом конечных элементов. Результаты расчета были сопоставлены между собой через соответствующие коэффициенты запаса несущей способности обделки тоннельной камеры. В результате исследования обнаружена удовлетворительная сходимость методик расчета друг другом. Практическая значимость: результаты исследования могут быть использованы для расчета сложных пространственных конструкций, работу которых можно свести к аркам.

Objective: to evaluate changes in the stress-strain state of the chamber tunnel lining located under the ventilation shaft and experiencing the pressure of foam–reinforced concrete, a layer of structural reinforcement and insulation of the shaft. Methods: the study was performed in two- and threedimensional formulations using different methods – the Hyperstatic Reaction Method (HRM) and the finite element method. The calculation results were compared with each other through the corresponding coefficients of the bearing capacity of the tunnel chamber lining. As a result of the study, satisfactory convergence of calculation methods with each other was found. Practical significance: the results of the study can be used to calculate complex spatial structures, the work of which can be reduced to arches.

 тоннель обделка численное моделирование метод конечных элементов метод Метрогипротранса tunnel lining mathematical modeling finite element method hyperstatic reaction method

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