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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.31897/PMI.2021.3.3</article-id>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-14359</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/14359</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Горное дело</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Mining</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Improving the efficiency of the technology and organization of the longwall face move during the intensive flat-lying coal seams mining at the Kuzbass mines</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Повышение эффективности технологии и организации монтажно-демонтажных работ при интенсивной разработке пологих угольных пластов на шахтах Кузбасса</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Meshkov</surname>
            <given-names>Аndrey A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Мешков</surname>
              <given-names>А. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Meshkov</surname>
              <given-names>Аndrey A.</given-names>
            </name>
          </name-alternatives>
          <email>MeshkovAA@suek.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">АО «СУЭК-Кузбасс» (Ленинск-Кузнецкий, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">JSC SUEK-Kuzbass (Leninsk-Kuznetsky, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Kazanin</surname>
            <given-names>Oleg I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Казанин</surname>
              <given-names>О. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kazanin</surname>
              <given-names>Oleg I.</given-names>
            </name>
          </name-alternatives>
          <email>Kazanin_OI@pers.spmi.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-9663-6713</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Sidorenko</surname>
            <given-names>Andrey A.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Сидоренко</surname>
              <given-names>А. А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Sidorenko</surname>
              <given-names>Andrey A.</given-names>
            </name>
          </name-alternatives>
          <email>sidorenkoaa@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0003-4224-193X</contrib-id>
          <xref ref-type="aff" rid="aff3"/>
        </contrib>
        <aff-alternatives id="aff3">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский горный университет (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg Mining University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2021-09-20">
        <day>20</day>
        <month>09</month>
        <year>2021</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2021</year>
      </pub-date>
      <volume>249</volume>
      <fpage>342</fpage>
      <lpage>350</lpage>
      <history>
        <date date-type="received" iso-8601-date="2021-01-18">
          <day>18</day>
          <month>01</month>
          <year>2021</year>
        </date>
        <date date-type="accepted" iso-8601-date="2021-05-21">
          <day>21</day>
          <month>05</month>
          <year>2021</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2021-09-20">
          <day>20</day>
          <month>09</month>
          <year>2021</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 2021 А. А. Мешков, О. И. Казанин, А. А. Сидоренко</copyright-statement>
        <copyright-statement xml:lang="en">© 2021 Аndrey A. Meshkov, Oleg I. Kazanin, Andrey A. Sidorenko</copyright-statement>
        <copyright-year>2021</copyright-year>
        <copyright-holder xml:lang="ru">А. А. Мешков, О. И. Казанин, А. А. Сидоренко</copyright-holder>
        <copyright-holder xml:lang="en">Аndrey A. Meshkov, Oleg I. Kazanin, Andrey A. Sidorenko</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/14359">https://pmi.spmi.ru/pmi/article/view/14359</self-uri>
      <abstract xml:lang="ru">
        <p>Рассмотрены причины отставания показателей ведущих российских угольных шахт, осуществляющих разработку пологих угольных пластов длинными очистными забоями, от аналогичных зарубежных. Выполнен анализ эффективности монтажно-демонтажных работ на шахтах АО «СУЭК-Кузбасс». Выявлены существенное превышение плановых сроков выполнения монтажно-демонтажных работ при отработке мощных пологих пластов, причины низкой эффективности демонтажных работ и основные направления совершенствования технологии демонтажных работ. Рассмотрены направления обеспечения эксплуатационного состояния демонтажных камер, формируемых очистным забоем. Представлены рекомендуемая схема отработки сближенных угольных пластов и трехмерная модель массива горных пород для обоснования ее параметров. Выполнены численные исследования с использованием метода конечных элементов. Показаны результаты моделирования напряженно-деформированного состояния массива горных пород в окрестностях демонтажной камеры, сформированной в условиях повышенных напряжений от краевой части ранее отработанного вышезалегающего пласта. Установлены основные факторы, определяющие возможность обеспечения эксплуатационного состояния демонтажных камер. Показана необходимость учета влияния зоны повышенных напряжений при выборе паспортов крепления и организации демонтажных работ при мощности междупластья 60 м и менее. Определена достаточная величина смещения для обеспечения эксплуатационного состояния демонтажной камеры под выработанное пространство 50 м, для монтажной камеры – 30 м. Даны рекомендации по совершенствованию технологических схем и организации монтажно-демонтажных работ на шахтах, ведущих отработку свит пологих угольных пластов длинными очистными забоями с формированием демонтажной камеры очистным комплексом.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>The reasons for the lag of the indicators of the leading Russian coal mines engaged in the longwall mining of the flat-lying coal seams from similar foreign mines are considered. The analysis of the efficiency of the longwall face move operations at the JSC SUEK-Kuzbass mines was carried out. A significant excess of the planned deadlines for the longwall face move during the thick flat-lying seams mining, the reasons for the low efficiency of disassembling operations and the main directions for improving the technology of disassembling operations are revealed. The directions of ensuring the operational condition of the recovery room formed by the longwall face are considered. The recommended scheme of converged coal seams mining and a three-dimensional model of a rock mass to justify its parameters are presented. Numerical studies using the finite element method are performed. The results of modeling the stress-strain state of a rock mass in the vicinity of a recovery room formed under conditions of increased stresses from the boundary part of a previously mined overlying seam are shown. The main factors determining the possibility of ensuring the operational condition of the recovery rooms are established. It is shown that it is necessary to take into account the influence of the increased stresses zone when choosing timbering standards and organizing disassembling operations at a interbed thickness of 60 m or less. A sufficient distance from the gob of above- or undermined seams was determined to ensure the operational condition of the recovery room of 50 m, for the set-up room – 30 m. Recommendations are given for improving technology and organization of the longwall face move operations at the mines applied longwall mining of flat-lying coal seams with the formation of a recovery room by the longwall face.</p>
      </abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>подземная разработка</kwd>
        <kwd>свиты угольных пластов</kwd>
        <kwd>лава</kwd>
        <kwd>простои оборудования</kwd>
        <kwd>демонтажная камера</kwd>
        <kwd>напряженно-деформированное состояние</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>underground mining</kwd>
        <kwd>coal seam</kwd>
        <kwd>multi-seam mining</kwd>
        <kwd>longwall</kwd>
        <kwd>equipment downtime</kwd>
        <kwd>recovery room</kwd>
        <kwd>stress-strain state</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
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