<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root>
<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Structural Mechanics of Engineering Constructions and Buildings</journal-id><journal-title-group><journal-title xml:lang="en">Structural Mechanics of Engineering Constructions and Buildings</journal-title><trans-title-group xml:lang="ru"><trans-title>Строительная механика инженерных конструкций и сооружений</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1815-5235</issn><issn publication-format="electronic">2587-8700</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">32022</article-id><article-id pub-id-type="doi">10.22363/1815-5235-2022-18-3-215-227</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Analysis and design of building structures</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Расчет и проектирование строительных конструкций</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Analysis for the efficiency of additional dispersed reinforcement using coconut fiber for a concrete beam with traditional steel bar reinforcement</article-title><trans-title-group xml:lang="ru"><trans-title>Анализ эффективности дополнительного дисперсного армирования кокосовым волокном для бетонной балки с традиционным армированием стальными стержнями</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9930-5709</contrib-id><name-alternatives><name xml:lang="en"><surname>Chongo</surname><given-names>Peter</given-names></name><name xml:lang="ru"><surname>Чонго</surname><given-names>Питер</given-names></name></name-alternatives><bio xml:lang="en"><p>master student, Department of Civil Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>магистрант, департамент строительства, Инженерная академия</p></bio><email>pchongo.pc@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9923-176X</contrib-id><name-alternatives><name xml:lang="en"><surname>Shambina</surname><given-names>Svetlana L.</given-names></name><name xml:lang="ru"><surname>Шамбина</surname><given-names>Светлана Львовна</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Technical Sciences, Associate Professor of the Department of Civil Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент департамента строительства, Инженерная академия</p></bio><email>shambina_sl@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5795-2932</contrib-id><name-alternatives><name xml:lang="en"><surname>Tembo</surname><given-names>Oliver</given-names></name><name xml:lang="ru"><surname>Тембо</surname><given-names>Оливер</given-names></name></name-alternatives><bio xml:lang="en"><p>master student, Department of Civil Engineering, Academy of Engineering</p></bio><bio xml:lang="ru"><p>магистрант, департамент строительства, Инженерная академия</p></bio><email>tembokoli-ver3@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Peoples’ Friendship University of Russia (RUDN University)</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2022-09-28" publication-format="electronic"><day>28</day><month>09</month><year>2022</year></pub-date><volume>18</volume><issue>3</issue><issue-title xml:lang="en">VOL 18, NO3 (2022)</issue-title><issue-title xml:lang="ru">ТОМ 18, №3 (2022)</issue-title><fpage>215</fpage><lpage>227</lpage><history><date date-type="received" iso-8601-date="2022-09-28"><day>28</day><month>09</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Chongo P., Shambina S.L., Tembo O.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Чонго П., Шамбина С.Л., Тембо О.</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Chongo P., Shambina S.L., Tembo O.</copyright-holder><copyright-holder xml:lang="ru">Чонго П., Шамбина С.Л., Тембо О.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/structural-mechanics/article/view/32022">https://journals.rudn.ru/structural-mechanics/article/view/32022</self-uri><abstract xml:lang="en"><p style="text-align: justify;">Concrete is widely used as a building material throughout the world. However, its use in building structures is limited due to its low tensile strength. This problem can be partially solved using steel bars reinforcement, as well as using dispersed reinforcement with various types of fibers. The authors propose the simultaneous traditional reinforcement of a concrete structure with steel bars with additional dispersed reinforcement with natural coconut fibers, relatively cheap and widely available in many countries in Africa, Asia and Latin America. The purpose of this study is to analyze the effectiveness of the proposed solution by comparing the required amount of steel reinforcement (by weight) for a beam made of traditional concrete and a similar beam with additional dispersed reinforcement with coconut fibers. Deflections and cracking in beams were investigated. The analysis was carried out using Autodesk Robot Structural Analysis Professional 2022 software. The results showed that a beam additionally reinforced with coconut fiber requires 11% less steel reinforcement (by weight) compared to a similar beam made of traditional reinforced concrete. In addition, the coconut fiber reinforced beam experienced 6% less deflection and significantly less stress cracking compared to a simple concrete beam. These results proved that the approach proposed in the work noticeably improves the performance of reinforced concrete in the structure, and also makes it possible to obtain significant savings in reinforcing steel.</p></abstract><trans-abstract xml:lang="ru"><p style="text-align: justify;">Бетон широко используется в качестве строительного материала во всем мире. Однако его применение в строительных конструкциях ограничено по причине его низкой прочности на растяжение. Эта проблема частично решается использованием стальной стержневой арматуры и применением дисперсного армирования различными типами волокон. В исследовании предлагается одновременное традиционное армирование бетонной конструкции стальными стержнями с дополнительным дисперсным армированием натуральными кокосовыми волокнами, относительно дешевыми и широкодоступными во многих странах Африки, Азии и Латинской Америки. Цель исследования - анализ эффективности предложенного решения путем сравнения необходимого количества стальной арматуры (по массе) для балки из традиционного бетона и аналогичной балки с дополнительным дисперсным армированием кокосовыми волокнами. Изучены прогибы и трещинообразование в балках. Применялось программное обеспечение Autodesk Robot Structural Analysis Professional 2022. Результаты показали, что балка, дополнительно армированная кокосовым волокном, требует меньшего на 11 % количества стальной арматуры (по массе) по сравнению с аналогичной балкой из традиционного железобетона. Кроме того, балка, армированная кокосовым волокном, испытывала на 6 % меньший прогиб, а также наблюдалось существенно меньшее образование трещин под действием нагрузки по сравнению с простой бетонной балкой. Доказано, что предложенный в работе подход заметно улучшает работу железобетона в конструкции, что в том числе позволяет получить существенную экономию арматурной стали.</p></trans-abstract><kwd-group xml:lang="en"><kwd>steel reinforcement</kwd><kwd>plain concrete</kwd><kwd>additional disperse reinforcement</kwd><kwd>coconut fiber concrete</kwd><kwd>concrete beam</kwd><kwd>comparative analysis</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>стальная арматура</kwd><kwd>традиционный железобетон</kwd><kwd>дополнительное дисперсное армирование</kwd><kwd>бетон</kwd><kwd>добавка</kwd><kwd>кокосовые волокна</kwd><kwd>железобетонная балка</kwd><kwd>сравнительный анализ</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Octarina D., Fadilasari D., Juansyah Y. Comparative analysis the addition of natural and artificial fibres in concrete. IOP Conference Series Materials Science and Engineering. 2020;807(1):012002. http://doi.org/10.1088/1757-899X/807/1/012002</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Chiadighikaobi P.C. Improving the compressive strength of lightweight cylindrical concrete column with basalt fiber reinforced polymer acting under imposed load. Structural Mechanics of Engineering Constructions and Buildings. 2020;16(5):424-434. http://doi.org/10.22363/1815-5235-2020-16-5-424-434</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Markovich A.S., Miloserdova D.A. Properties of dispersed fibers for efficient concrete reinforcement. Structural Mechanics of Engineering Constructions and Buildings. 2022;18(2):182-192. (In Russ.) http://doi.org/10.22363/1815-5235-2022-18-2-182-192</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Galishnikova V.V., Heidari A., Chiadighikaobi P.C., Muritala A.A., Emiri D.A. Ductility and flexure of lightweight expanded clay basalt fiber reinforced concrete slab. Structural Mechanics of Engineering Constructions and Buildings. 2021;17(1):74-81. http://doi.org/10.22363/1815-5235-2021-17-1-74-81.</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Laverde V., Marin A., Benjumea J., Ortiz M.R. Use of vegetable fibers as reinforcements in cement-matrix composite materials: a review. Construction and Building Materials. 2022;340(1-3):127729. http://doi.org/10.1016/j.conbuildmat.2022.127729</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Savastano J.H., Santos S.F., Radonjic M., Soboyejo W.O. Fracture and fatigue of natural fiber-reinforced cementitious composites. Cement and Concrete Composites. 2009;31(4):232-243. https://doi.org/10.1016/j.cemconcomp.2009.02.006</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Rassokhin A., Ponomarev A., Shambina S., Karlina A. Different types of basalt fibers for disperse reinforcing of fine-grained concrete. Magazine of Civil Engineering. 2022;(1):10913. http://doi.org/10.34910/MCE.109.13</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Amin M.N., Ahmad W., Khan K., Ahmad A. A comprehensive review of types, properties, treatment methods and application of plant fibers in construction and building materials. Materials (Basel). 2022;15(12):4362. http://doi.org/10.3390/ma15124362</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Ahmad W., Farooq S.H., Usman M., Khan M., Ahmad A., Aslam F., Yosef R.A., Abduljabbar H.A., Sufian M. Effect of coconut fiber length and content on properties of high strength concrete. Materials (Basel). 2020;13(5):1075. http://doi.org/10.3390/ma13051075</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Galishnikova V.V., Kharun M., Koroteev D.D., Chiadighikaobi P.C. Basalt fiber reinforced expanded clay concrete for building structures. Magazine of Civil Engineering. 2021;(1):10107. https://doi.org/10.34910/MCE.101.7</mixed-citation></ref><ref id="B11"><label>11.</label><mixed-citation>Mokhtari A., Ouali M.O., Tala-Ighil N. Damage modelling in thermoplastic composites reinforced with natural fibres under compressive loading. International Journal of Damage Mechanics. 2015;24:1239-1260. http://doi.org/10.1177/1056789515573900</mixed-citation></ref><ref id="B12"><label>12.</label><mixed-citation>Hwang C., Tran V., Hsieh Y. Effects of short coconut fiber on the mechanical properties, plastic cracking behaviour, and impact resistance of cementitious composites. Construction and Building Materials. 2016;127:984-992. https://doi.org/10.1016/J.CONBUILDMAT.2016.09.118</mixed-citation></ref><ref id="B13"><label>13.</label><mixed-citation>Hasanov S.H. Modelling of cracks nucleation in fiber composite under bending. Structural Mechanics of Engineering Constructions and Buildings. 2018;14(3):248-257. (In Russ.) https://doi.org/10.22363/1815-5235-2018-14-3-248-257</mixed-citation></ref><ref id="B14"><label>14.</label><mixed-citation>Uday V.S., Ajitha B. Concrete reinforced with coconut fibers. International Journal of Engineering Science and Computing. 2017;7(4):10436.</mixed-citation></ref><ref id="B15"><label>15.</label><mixed-citation>Galishnikova V.V., Chiadighikaobi P.C., Emiri D.A. Comprehensive view on the ductility of basalt fiber reinforced concrete focus on lightweight expanded clay. Structural Mechanics of Engineering Constructions and Buildings. 2019;15(5):360-366. http://doi.org/10.22363/1815-5235-2019-15-5-360-366</mixed-citation></ref><ref id="B16"><label>16.</label><mixed-citation>Iushkin I.I., Alamedy S.G.H., Stashevskaya N.A. Problems and benefits of implementing BIM in the construction industry. Structural Mechanics of Engineering Constructions and Buildings. 2022;18(2):172-181. (In Russ.) http://doi.org/10.22363/1815-5235-2022-18-2-172-181</mixed-citation></ref></ref-list></back></article>
