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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">sat</journal-id><journal-title-group><journal-title xml:lang="ru">НАУКА и ТЕХНИКА</journal-title><trans-title-group xml:lang="en"><trans-title>Science &amp; Technique</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-1031</issn><issn pub-type="epub">2414-0392</issn><publisher><publisher-name>Belarusian National Technical University</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">sat-886</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>СТРОИТЕЛЬСТВО</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CIVIL AND INDUSTRIAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ ПРОЦЕССА ТВЕРДЕНИЯ ЦЕМЕНТОБЕТОННОГО КОНГЛОМЕРАТА МЕТОДОМ ИМПЕДАНСНОЙ СПЕКТРОСКОПИИ</article-title><trans-title-group xml:lang="en"><trans-title>INVESTIGATION OF CEMENT CONCRETE CONGLOMERATE SOLIDIFICATION PROCESS BY IMPEDANCE SPECTROSCOPY METHOD</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондаренко</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Bandarenka</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат химических наук</p></bio><bio xml:lang="en"><p>PhD in Chemistry</p></bio><email xlink:type="simple">Ander250@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чулкин</surname><given-names>П. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chulkin</surname><given-names>P. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Аспирант</p></bio><bio xml:lang="en"><p>Graduate student</p></bio><email xlink:type="simple">Ander250@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рагойша</surname><given-names>Г. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ragoisha</surname><given-names>G. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат химических наук</p></bio><bio xml:lang="en"><p>PhD in Chemistry</p></bio><email xlink:type="simple">Ander250@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Коликов</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Kolikov</surname><given-names>A. O.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Студент</p></bio><bio xml:lang="en"><p>Student</p></bio><email xlink:type="simple">Ander250@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бондаренко</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Bandarenka</surname><given-names>A. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат химических наук</p></bio><bio xml:lang="en"><p>PhD in Chemistry</p></bio><email xlink:type="simple">Ander250@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский национальный технический университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian National Technical University</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Белорусский государственный университет</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Belarusian State University</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>НИИ физико-химических проблем БГУ, Минск</institution><country>Беларусь</country></aff><aff xml:lang="en"><institution>Research Institute for Physical Chemical Problems, Belarusian State University, Minsk</institution><country>Belarus</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Мюнхенский технический университет</institution><country>Германия</country></aff><aff xml:lang="en"><institution>Munich Technical University</institution><country>Germany</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>07</day><month>12</month><year>2015</year></pub-date><volume>0</volume><issue>6</issue><fpage>54</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Бондаренко С.Н., Чулкин П.В., Рагойша Г.А., Коликов А.О., Бондаренко А.С., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Бондаренко С.Н., Чулкин П.В., Рагойша Г.А., Коликов А.О., Бондаренко А.С.</copyright-holder><copyright-holder xml:lang="en">Bandarenka S.N., Chulkin P.V., Ragoisha G.A., Kolikov A.O., Bandarenka A.S.</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://sat.bntu.by/jour/article/view/886">https://sat.bntu.by/jour/article/view/886</self-uri><abstract><p>Одним из перспективных направлений в обеспечении сохранности и увеличения сроков службы дорожных одежд является строительство автомобильных дорог с цементобетонными покрытиями. Современные тенденции обеспечения качества дорожного строительства предусматривают необходимость контроля и управления процессами твердения и последующего разрушения материала при формировании и эксплуатации цементобетонного конгломерата, составляющего основу дорожного покрытия. Актуальность мониторинга процессов формирования и разрушения цементобетонных материалов показывает и многолетняя практика эксплуатации автомобильных дорог на их основе. В качестве инструмента для решения данной задачи предложен и опробован метод импедансной спектроскопии.</p><p>Для проведения испытаний изготавливали экспериментальные образцы цементобетона, в которых в качестве мелкого заполнителя использовали фракционированный кварцевый песок и гранитный отсев с размерами частиц от 0,63 до 2,5 мм. Изучены зависимости сопротивления (импеданса) от частоты переменного тока для образцов различной природы и гранулометрического состава. Комплексную величину импеданса измеряли с использованием потенциостата Gamry G300, а анализ спектров и расчет параметров эквивалентной схемы проводили с использованием программы EIS Spectrum Analyzer.</p><p>Сравнение спектров импеданса изготовленных образцов цементобетона позволило выявить тенденции изменения параметров спектра при твердении и последующем контакте с влагой для образцов каждого типа. Установлена эквивалентная электрическая схема, характеризующая физико-химические процессы, сопровождающиеся переносом заряда в цементобетонном конгломерате. Показана возможность использования импедансной спектроскопии для решения ряда актуальных задач в области технологии цементобетона, в частности связанных с использованием техногенных отходов (гранитных отсевов в качестве мелкого заполнителя), а также оптимизации минерального и гранулометрического состава цементобетонной смеси для дорожных покрытий. Развитие подхода к исследованию свойств цементобетонных материалов на основе анализа спектров импеданса позволит количественно характеризовать протекающие в них процессы, в частности твердение и коррозию бетона.</p></abstract><trans-abstract xml:lang="en"><p>One of the most prospective directions in preservation  and increase of service live of  road pavements is a construction of  automobile roads with cement concrete surface. Modern tendencies for provision of road construction quality presuppose a necessity to control processes of solidification and subsequent destruction of the material while forming and using cement concrete conglomerate being considered as a basic element of the road surface.  Multiyear practical experience of  automobile road operation using cement concrete pavements reveals an importance for monitoring  such processes as formation and destruction of cement concrete materials. An impedance spectroscopy method has been tried out and proposed as a tool for solution of the given problem.</p><p>Experimental samples of cement concrete have been prepared for execution of tests, graded silica sand and granite chippings with particle size from 0.63 to 2.5 mm have been used as a fine aggregate in the samples. Dependencies of resistance (impedance) on AC-current frequency  have been studied for samples of various nature and granulometric composition. The Gamry  G300 potentiostat has been used for measurement of complex impedance value. A spectrum analysis and calculation of equivalent circuit parameters calculation have been carried out while using EIS Spectrum Analyzer program.</p><p>Comparison of impedance spectra for the prepared cement concrete samples have made it possible to reveal tendencies in changing spectrum parameters during solidification and subsequent contact with moisture in respect of every type of the sample. An equivalent electrical circuit has been developed that  characterizes physical and chemical processes which are accompanied by charge transfer in cement concrete conglomerate. The paper demonstrates a possibility to use an impedance spectroscopy for solution of a number of actual problems in the field of cement concrete technology problems. Particularly, the problems are connected with usage of technogenic wastes (e.g. granite chippings as a fine aggregate) and optimization of mineral and granulometric mix composition for road pavement. Development of an approach for investigation of properties on cement concrete materials on the basis of an impedance spectrum analysis will permit  quantitatively to characterize processes which are occurring in them including such processes as concrete solidification and corrosion.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цементобетон</kwd><kwd>импедансная спектроскопия</kwd><kwd>эквивалентная схема</kwd><kwd>мелкий заполнитель</kwd><kwd>твердение бетона</kwd><kwd>коррозия бетона</kwd><kwd>гранитный отсев</kwd><kwd>кварцевый песок</kwd><kwd>гранулометрический состав заполнителя</kwd></kwd-group><kwd-group xml:lang="en"><kwd>cement concrete</kwd><kwd>impedance spectroscopy</kwd><kwd>equivalent circuit</kwd><kwd>fine aggregate</kwd><kwd>concrete solidification</kwd><kwd>concrete corrosion</kwd><kwd>granite chippings</kwd><kwd>silica sand</kwd><kwd>aggregate granulometric composition</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">Сычев, М. 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