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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="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">isplta</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Санкт-Петербургской лесотехнической академии</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestia Sankt-Peterburgskoj lesotehniceskoj akademii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2079-4304</issn><issn pub-type="epub">2658-5871</issn><publisher><publisher-name>СПбГЛТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21266/2079-4304.2023.246.364-378</article-id><article-id custom-type="elpub" pub-id-type="custom">isplta-109</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="ru"><subject>ДРЕВЕСИНОВЕДЕНИЕ, ТЕХНОЛОГИЯ И ОБОРУДОВАНИЕ ДЕРЕВОПЕРЕРАБОТКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>WOOD SCIENCE. MECHANICAL WOODWORKING INDUSTRY</subject></subj-group></article-categories><title-group><article-title>Изменчивость усушки древесины сосны в стволе дерева</article-title><trans-title-group xml:lang="en"><trans-title>Variability of shrinkage of pine wood in a tree trunk</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8352-1941</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кантиева</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kantieva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>КАНТИЕВА Екатерина Валентиновна – заведующий кафедрой механической технологии древесины, кандидат технических наук</p><p>394087, ул. Тимирязева, д. 8, Воронеж</p><p>Researcher ID: ААR-8571-2020</p></bio><bio xml:lang="en"><p>KANTIEVA Ekaterina V. – PhD (Technical), Head of the Chair of mechanical technology of wood</p><p>394087, Timiryazev str., 8 Voronezh</p></bio><email xlink:type="simple">kantievaev@vglta.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/0000-0003-4371-2270</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Снегирева</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Snegireva</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>СНЕГИРЕВА Светлана Николаевна – доцент кафедры древесиноведения, кандидат биологических наук</p><p>394087, ул. Тимирязева, д. 8, Воронеж</p><p>Researcher ID: ААR-5877-2020</p></bio><bio xml:lang="en"><p>SNEGIREVA Svetlana N. – PhD (Biological), Associate Professor of Wood Science</p><p>394087, Timiryazev str., 8 Voronezh</p><p>Researcher ID: ААR-5877-2020</p></bio><email xlink:type="simple">svetka-sneg@yandex.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/0000-0001-5941-6287</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Платонов</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Platonov</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ПЛАТОНОВ Алексей Дмитриевич – заведующий кафедрой древесиноведения, доктор технических наук</p><p>394087, ул. Тимирязева, д. 8, Воронеж</p><p>Researcher ID: AAC-9820-2019</p></bio><bio xml:lang="en"><p>PLATONOV Aleksei D. – DSc (Technical), Head of the Chair of Wood Science</p><p>394087, Timiryazev str., 8 Voronezh</p><p>Researcher ID: AAC-9820-2019</p></bio><email xlink:type="simple">aleksey66@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Воронежский государственный лесотехнический университет имени Г.Ф. Морозова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Voronezh State Forestry Engineering University named after G.F. Morozov</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Воронежский государственный лесотехнический университет имени Г.Ф. Морозова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Voronezh State Forestry Engineering University named after G. F.  Morozov</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>20</day><month>02</month><year>2024</year></pub-date><volume>0</volume><issue>246</issue><fpage>364</fpage><lpage>378</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кантиева Е.В., Снегирева С.Н., Платонов А.Д., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кантиева Е.В., Снегирева С.Н., Платонов А.Д.</copyright-holder><copyright-holder xml:lang="en">Kantieva E.V., Snegireva S.N., Platonov A.D.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" 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://izvestiya-lta.spbftu.ru/jour/article/view/109">https://izvestiya-lta.spbftu.ru/jour/article/view/109</self-uri><abstract><p>Древесина является анизотропным материалом, вследствие чего ее физико- механические свойства различны как в продольном, так и поперечных направлениях. Усушка – важное технологическое свойство древесины. Величина усушки древесины неравномерна в продольном и поперечных направлениях и во многом зависит от породы и изменчивости плотности в стволе дерева. Знание величины усушки необходимо для рационального использования древесины, её учета и выбора технологии обработки. Целью исследования является установление изменчивости усушки древесины сосны в стволе дерева на примере древостоев лесостепной зоны Воронежской области. Исследования выполнены на срезах древесины, выпиленных на разной высоте ствола. Установлено, что величина объемной усушки по высоте ствола уменьшается от комля к вершине в среднем на 1,2% на каждый метр. Изменчивость усушки древесины в стволе дерева в тангенциальном направлении больше в центральной и средней части радиуса ствола, в радиальном направлении в периферийной и средней части радиуса.</p></abstract><trans-abstract xml:lang="en"><p>Wood is an anisotropic material, as a result its physical and mechanical properties are different in the longitudinal and transverse directions. The variation in the wood properties is characteristic within the same species and in the tree trunk. Shrinkage is an important technological wood property that characterizes the change in the linear dimensions and volume of wood with a change in the amount of bound moisture. The value of wood shrinkage is uneven in the longitudinal and transverse directions and largely depends on the species and density variability in the tree trunk. The shrinkage value is necessary for the rational use of wood, its accounting and the choice of processing technology. The aim of the study is to establish the shrinkage variability of pine wood in a tree trunk with forest stands in the forest-steppe zone of the Voronezh region. The studies were carried out on sections of wood sawn at different trunk heights. It has been established that the value of volumetric shrinkage along the trunk height decreases from the butt to the top by an average of 1.2% per meter. The variability of wood shrinkage in the tree trunk in the tangential direction is greater in the central and middle parts of the trunk radius, in the radial direction in the peripheral and middle parts of the radius.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>древесина сосны</kwd><kwd>усушка</kwd><kwd>ствол</kwd><kwd>изменчивость свойств древесины в стволе</kwd><kwd>радиус ствола</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pine wood</kwd><kwd>shrinkage</kwd><kwd>trunk</kwd><kwd>variability of wood properties in the trunk</kwd><kwd>trunk radius</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">Кислый В. Качество лесопромышленной продукции // ЛесПромИнформ. 2019. № 6 (144), [Электронный ресурс]. URL: https://lesprominform.ru/jarticles.html?id=5403</mixed-citation><mixed-citation xml:lang="en">Bendtsen B.A., Senft J. 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