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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 custom-type="pmi" pub-id-type="custom">pmi-11449</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/11449</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Без раздела</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Without section</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Strengthening of preparatory workings in coal mines</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Крепление подготовительных выработок в угольных шахтах</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Bokiy</surname>
            <given-names>B. V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Бокий</surname>
              <given-names>Б. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Bokiy</surname>
              <given-names>B. V.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Ленинградский горный институт (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Leningrad Mining Institute (Russia)</institution>
          </aff>
        </aff-alternatives>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Smirnyakov</surname>
            <given-names>V. V.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Смирняков</surname>
              <given-names>В. В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Smirnyakov</surname>
              <given-names>V. V.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">Ленинградский горный институт (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Leningrad Mining Institute (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1975-01-01">
        <day>01</day>
        <month>01</month>
        <year>1975</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1975</year>
      </pub-date>
      <volume>67</volume>
      <issue>1</issue>
      <fpage>153</fpage>
      <lpage>160</lpage>
      <history>
        <date date-type="received" iso-8601-date="1974-07-20">
          <day>20</day>
          <month>07</month>
          <year>1974</year>
        </date>
        <date date-type="accepted" iso-8601-date="1974-09-23">
          <day>23</day>
          <month>09</month>
          <year>1974</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1975-01-01">
          <day>01</day>
          <month>01</month>
          <year>1975</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1975 Б. В. Бокий, В. В. Смирняков</copyright-statement>
        <copyright-statement xml:lang="en">© 1975 B. V. Bokiy, V. V. Smirnyakov</copyright-statement>
        <copyright-year>1975</copyright-year>
        <copyright-holder xml:lang="ru">Б. В. Бокий, В. В. Смирняков</copyright-holder>
        <copyright-holder xml:lang="en">B. V. Bokiy, V. V. Smirnyakov</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/11449">https://pmi.spmi.ru/pmi/article/view/11449</self-uri>
      <abstract xml:lang="ru">
        <p>Поддержание подготовительных выработок в хорошем состоянии является одним из условий, определяющих нормальное развитие очи­стных работ. ...</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Maintaining preparatory workings in good condition is one of the conditions determining the normal development of cleaning works. ...</p>
      </abstract>
    </article-meta>
  </front>
  <body/>
  <back>
    <ref-list>
      <ref id="ref1">
        <label>1</label>
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        <label>2</label>
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        <mixed-citation xml:lang="en">Smirnyakov V.V., Vashchilin V.A., Ostapenko A.F. Fastening of mine drifts in difficult conditions of deep mines. Ugol Ukrainy, 1971, No. 1.</mixed-citation>
      </ref>
      <ref id="ref4">
        <label>4</label>
        <mixed-citation xml:lang="ru">Смирняков В.В. и др. Металлическая крепь направленной податливости. Уголь Украины, 1973, № 2.</mixed-citation>
        <mixed-citation xml:lang="en">Smirnyakov V.V. et al. Metal Fastenings of Directional Pliability. Ugol Ukrainy, 1973, No. 2.</mixed-citation>
      </ref>
      <ref id="ref5">
        <label>5</label>
        <mixed-citation xml:lang="ru">Смирняков В.В., Мирзаев Г.Г. Металлическая крепь с новыми узлами податливости. Изв. вузов. Горн. ж., 1963, № 9.</mixed-citation>
        <mixed-citation xml:lang="en">Smirnyakov V.V., Mirzaev G.G., Metal fastenings with new pliability nodes. University Proc., Mining Journal, 1963, No. 9.</mixed-citation>
      </ref>
      <ref id="ref6">
        <label>6</label>
        <mixed-citation xml:lang="ru">Koch J. «Glückauf», 1960, № 1.</mixed-citation>
        <mixed-citation xml:lang="en">Koch J. «Glückauf», 1960, No. 1.</mixed-citation>
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    </ref-list>
  </back>
</article>
