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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">gscience</journal-id><journal-title-group><journal-title xml:lang="en">Mining Science and Technology (Russia)</journal-title><trans-title-group xml:lang="ru"><trans-title>Горные науки и технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2500-0632</issn><publisher><publisher-name>The National University of Science and Technology MISiIS (NUST MISIS)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17073/2500-0632-2024-03-235</article-id><article-id custom-type="elpub" pub-id-type="custom">gscience-681</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MINING ROCK PROPERTIES. ROCK MECHANICS AND GEOPHYSICS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>СВОЙСТВА ГОРНЫХ ПОРОД. ГЕОМЕХАНИКА И ГЕОФИЗИКА</subject></subj-group></article-categories><title-group><article-title>Assessing dust concentration at the workplace of a crushing and screening plant operator for special labor conditions evaluation</article-title><trans-title-group xml:lang="ru"><trans-title>Определение запыленности рабочего места оператора дробильно-щебеночного завода в целях специальной оценки условий труда</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5019-3694</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Король</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Korol</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Елена Анатольевна Король – доктор технических наук, профессор, заведующая кафедрой жилищно-коммунального комплекса</p><p>г. Москва</p><p>Scopus ID 57197844794, ResearcherID C-2635-2019</p></bio><bio xml:lang="en"><p>Elena A. Korol – Dr. Sci. (Eng.), Professor, Head of the Department of Housing and Communal Services</p><p>Moscow</p><p>Scopus ID 57197844794, ResearcherID C-2635-2019</p></bio><email xlink:type="simple">KorolEA@mgsu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6384-8277</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Дегаев</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Degaev</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Евгений Николаевич Дегаев – кандидат технических наук, доцент, доцент кафедры жилищно-коммунального комплекса</p><p>г. Москва</p><p>Scopus ID 57195225439, ResearcherID S-1854-2018</p></bio><bio xml:lang="en"><p>Evgeniy N. Degaev – Cand. Sci. (Eng.), Associate Professor, Associate Professor of the Department of Housing and Communal Complex</p><p>Moscow</p><p>Scopus ID 57195225439, ResearcherID S-1854-2018</p></bio><email xlink:type="simple">degaev@inbox.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8635-232X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Конюхов</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Konyukhov</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Сергеевич Конюхов – доктор технических наук, руководитель отдела научно-технического сопровождения строительства, АО "Мосинжпроект"; МИРЭА - Российский технологический университет</p><p>г. Москва</p><p>Scopus ID 6507981388</p></bio><bio xml:lang="en"><p>Dmitry S. Konyukhov – Dr. Sci. (Eng.)</p><p>Moscow</p><p>Scopus ID 6507981388</p></bio><email xlink:type="simple">gidrotehnik@inbox.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Национальный исследовательский Московский государственный строительный университет<country>Россия</country></aff><aff xml:lang="en">Moscow State University of Civil Engineering (National Research University)<country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru">АО "Мосинжпроект"; МИРЭА - Российский технологический университет<country>Россия</country></aff><aff xml:lang="en">Mosinzhproekt JSC; MIREA – Russian Technological University<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>26</day><month>12</month><year>2024</year></pub-date><volume>9</volume><issue>4</issue><fpage>395</fpage><lpage>405</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Korol E.A., Degaev E.N., Konyukhov D.S., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Король Е.А., Дегаев Е.Н., Конюхов Д.С.</copyright-holder><copyright-holder xml:lang="en">Korol E.A., Degaev E.N., Konyukhov D.S.</copyright-holder><license license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://mst.misis.ru/jour/article/view/681">https://mst.misis.ru/jour/article/view/681</self-uri><abstract><p>The mining industry is one of the key sectors of the Russian economy, supplying other industries with essential raw materials. However, this sector is characterized by harsh working conditions that may adversely affect workers' health. Exposure to harmful substances and significant physical workloads contribute to the development of occupational diseases. To ensure safety in production processes and protect the health of mining industry workers, it is necessary to conduct a special labor conditions assessment. This assessment allows for determining the level of harmfulness and hazard in workplaces, as well as developing measures to reduce the negative impact on workers' health. The purpose of this study is to assess dust concentration at the workplace of a crushing and screening plant operator as part of a special labor conditions evaluation. Dust concentration at the operator's workplace was measured using a standard gravimetric method. The testing was conducted in four stages and lasted 400 minutes, which is 83% of the total work shift duration. Data analysis revealed an exceedance of the permissible dust concentration by a factor of 1.28. The labor conditions class (subclass) was established as 3.1. It was found that the average dust concentrations varied by a factor of 3–4 across different testing stages due to the intensity and direction of air velocity at the production site. Based on the obtained data, dust concentrations at the workplace were predicted according to air velocity at the site, with an approximation accuracy of R2 = 0.95. It was determined that the maximum allowable air velocity at the site should not exceed 2.6 m/s. Using approximated data, it was forecasted that, in the absence of air movement, the dust concentration at the operator's workplace would remain at 0.5 mg/m³. To reduce dust concentration at the operator’s workplace, comprehensive measures to minimize dust generation at the crushing plant are necessary, including washing vehicle wheels, installing dust suppression systems, and replacing the open belt conveyor with a closed one. To prevent the development of occupational diseases, operators are advised to use personal respiratory, skin, and eye protection throughout the shift.</p></abstract><trans-abstract xml:lang="ru"><p>Горнодобывающая отрасль является одним из ключевых секторов экономики России, обеспечивая другие отрасли необходимым сырьем и материалами. Однако эта отрасль характеризуется тяжёлыми условиями труда, которые могут негативно сказаться на здоровье работников. Воздействие вредных веществ и значительные физические нагрузки способствуют развитию профессиональных болезней. Для обеспечения безопасности производственных процессов и сохранения здоровья работников горнодобывающей отрасли необходимо проведение специальной оценки условий труда. Эта оценка позволяет определить уровень вредности и опасности на рабочих местах, а также разработать меры по снижению негативного воздействия на здоровье работников. Целью работы является определение запыленности рабочего места оператора дробильно-щебеночного завода в рамках специальной оценки условий труда. Определение концентрации пыли в воздухе рабочего места оператора дробильно-щебеночного завода производили в соответствии со стандартной весовой методикой. Испытания проводились в четыре этапа и длились 400 мин, что составляет 83% от общего времени рабочей смены. По результатам обработки данных выявлено превышение предельно допустимой концентрации пыли в 1,28 раза. Установлен класс (подкласс) условий труда – 3.1. Установлено, что средние концентрации пыли на разных этапах испытания различаются в 3–4 раза, что связано с интенсивностью и направлением ветра на производственной площадке. По полученным данным спрогнозированы концентрации пыли на рабочем месте в зависимости от скорости ветра на производственной площадке с величиной достоверности аппроксимации R2 = 0,95. Установлено, что максимально допустимая скорость ветра на производственной площадке не должна быть выше 2,6 м/с. С помощью аппроксимированных данных спрогнозировано, что при отсутствии ветра на производственной площадке концентрация пыли в воздухе рабочего места оператора сохранится на уровне 0,5 мг/м3. Для снижения запыленности рабочего места оператора необходимы комплексные мероприятия по сокращению пылеобразования на дробильно-сортировочном заводе, включающие мойку колес автомобильного транспорта, установку систем подавления пыли и замену открытого ленточного конвейера на закрытый. Для предотвращения развития профессиональных заболеваний операторам рекомендуется использовать средства индивидуальной защиты органов дыхания, кожи и глаз на протяжении всей смены.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>производство</kwd><kwd>щебень</kwd><kwd>дробильно-щебеночный завод</kwd><kwd>пыль</kwd><kwd>концентрация</kwd><kwd>выбросы</kwd><kwd>запыленность</kwd><kwd>пылеобразование</kwd><kwd>оператор</kwd><kwd>условия труда</kwd><kwd>вред</kwd><kwd>прогнозирование</kwd><kwd>защита</kwd></kwd-group><kwd-group xml:lang="en"><kwd>production</kwd><kwd>crushed stone</kwd><kwd>crushing and screening plant</kwd><kwd>dust</kwd><kwd>concentration</kwd><kwd>emissions</kwd><kwd>dust concentration</kwd><kwd>dust generation</kwd><kwd>operator</kwd><kwd>labor conditions</kwd><kwd>harm</kwd><kwd>forecasting</kwd><kwd>protection</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Nikulin A., Nikulina A. 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