2411-3336 2541-9404 Записки Горного института Journal of Mining Institute Санкт-Петербургский горный университет императрицы Екатерины ΙΙ Empress Catherine II Saint Petersburg Mining University EGDXKM pmi-15942 https://pmi.spmi.ru/pmi/article/view/15942 Геотехнология и инженерная геология Geotechnical Engineering and Engineering Geology Modelling of the stress-strain state of block rock mass of ore deposits during development by caving mining systems Моделирование напряженно-деформированного состояния блочного горного массива рудных месторождений при отработке системами разработки с обрушением Protosenya Anatoliy G. Протосеня А. Г. Protosenya Anatoliy G. Protosenya_AG@pers.spmi.ru 0000-0001-7829-6743 Санкт-Петербургский горный университет (Санкт-Петербург, Россия) Saint Petersburg Mining University (Saint Petersburg, Russia) Belyakov Nikita A. Беляков Н. А. Belyakov Nikita A. Belyakov_NA@pers.spmi.ru 0000-0002-9754-501X Санкт-Петербургский горный университет (Санкт-Петербург, Россия) Saint Petersburg Mining University (Saint Petersburg, Russia) Bouslova Maria A. Буслова М. А. Bouslova Maria A. busloffm@gmail.com 0000-0003-2098-1478 Санкт-Петербургский горный университет (Санкт-Петербург, Россия) Saint Petersburg Mining University (Saint Petersburg, Russia) 26 06 2023 2023 262 619 627 24 08 2022 15 02 2023 28 08 2023 © 2023 А. Г. Протосеня, Н. А. Беляков, М. А. Буслова © 2023 Anatoliy G. Protosenya, Nikita A. Belyakov, Maria A. Bouslova 2023 А. Г. Протосеня, Н. А. Беляков, М. А. Буслова Anatoliy G. Protosenya, Nikita A. Belyakov, Maria A. Bouslova Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0) This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0) https://pmi.spmi.ru/pmi/article/view/15942

Статья посвящена анализу подходов к моделированию напряженно-деформированного состояния блочного горного массива в окрестности одиночной горной выработки и в зоне влияния породной консоли при разработке апатит-нефелиновых месторождений Хибин. Произведен анализ существующих в международной инженерной практике представлений о тектонических нарушениях как о геомеханическом элементе и опыта прогнозирования напряженно-деформированного состояния блочного горного массива. На основании анализа выполнена постановка базовых задач моделирования и приведены его основные результаты. Выработаны методологические рекомендации по решению аналогичных задач.

The article is devoted to the analysis of approaches to modeling the stress-strain state of a block rock mass in the vicinity of a single mine workings and in the area of rock cantilever influence during the development of the Khibiny apatite-nepheline deposits. The analysis of the existing in international engineering practice ideas about tectonic disturbances as a geomechanical element and the experience of predicting the stress-strain state of a block rock mass was carried out. On the basis of the analysis, the formulation of the basic modeling tasks is carried out and its main results are presented. Methodological recommendations for solving similar problems were developed.

 Ключевые слова геомеханика горный массив тектоническое нарушение напряженно-деформированное состояние численная модель породная консоль Keywords geomechanics rock mass tectonic disturbance stress-strain state numerical model rock cantilever Работа выполнена при финансовой поддержке гранта Российского научного фонда (проект № 23-17-00144) The research was supported by a grant from the Russian Science Foundation (project N 23-17-00144) Khani A., Baghbanan A., Norouzi S., Hashemolhosseini H. Effects of fracture geometry and stress on the strength of a fractured rock mass // International Journal of Rock Mechanics & Mining Sciences. 2013. Vol. 60. P. 345-352. DOI: 10.1016/j.ijrmms.2013.01.011 Khani A., Baghbanan A., Norouzi S., Hashemolhosseini H. Effects of fracture geometry and stress on the strength of a fractured rock mass. International Journal of Rock Mechanics & Mining Sciences. 2013. Vol. 60, p. 345-352. DOI: 10.1016/j.ijrmms.2013.01.011 Qibin Lin, Ping Cao, Jingjing Meng et al. 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