sibadiНаучный рецензируемый журнал "Вестник СибАДИ"The Russian Automobile and Highway Industry Journal2071-72962658-5626The Siberian State Automobile and Highway University10.26518/2071-7296-2025-22-4-672-683ZNCLGZsibadi-2062Research ArticleСТРОИТЕЛЬСТВО И АРХИТЕКТУРАCONSTRUCTION AND ARCHITECTUREМелкозернистый бетон на композиционном вяжущем для свайных фундаментов с учетом природно-климатических условий КитаяFine-grained concrete with composite binder for pile foundations in terms of environment and climate in Chinahttps://orcid.org/0000-0001-5707-1289ЛесовикР. В.LesovikR. V.

Лесовик Руслан Валерьевич – д-р техн. наук, проф. , проректор по международной деятельности

308012, г. Белгород, ул. Костюкова, 46

Scorpus ID: 55934372500

Researcher ID: I-8160-2018

Ruslan V. Lesovik – Dr. of Sci. (Eng.), Prof.

Kostyukova St., 46, Belgorod, 308012

Scorpus ID: 55934372500

Researcher ID: I-8160-2018

ruslan_lesovik@mail.ruЧжанСюаньZhangXuan

Чжан Сюань – аспиран

308012, г. Белгород, ул. Костюкова, 46

Zhang Xuan – postgraduate student

Kostyukova St., 46, Belgorod, 308012

532339133@qq.comБелгородский государственный технологический университет им. В.Г.РоссияBelgorod State Technological University named after V.G. ShukhovRussian FederationБелгородский государственный технологический университет им. В.Г. ШуховаРоссияBelgorod State Technological University named after V.G. ShukhovRussian Federation202507092025224672683Copyright © Лесовик Р.В., Чжан С., 20252025Лесовик Р.В., Чжан С.Lesovik R.V., Zhang X.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.sibadi.org/jour/article/view/2062

Введение. Мелкозернистый бетон широко используется в строительной отрасли Китая и является самым «революционным» материалом технологии бетонного строительства. За последнее десятилетие в связи с быстрым развитием городского строительства, освоением земельных ресурсов, характеризующихся особенными природно-климатическими условиями для строительства высотных и супервысотных зданий и сооружений, требуется разработка высокоэффективных мелкозернистых высокопрочных бетонов для создания фундаментов. Особую значимость в современном строительстве приобретают свайные фундаменты.Результаты. В статье приведены результаты по получению мелкозернистых бетонов классов В25 и В30 на разработанных композиционных вяжущих для свайных фундаментов с повышенными показателями водопроницаемости W8 и морозостойкости F300.Обсуждение и заключение. Изучение микроструктуры показало плотное зарастание новообразованиями пор цементного камня, на контактной зоне с заполнителями равномерной бахромой распределились гидросиликаты кальция и алюминия, плотно сросшиеся в единый гидрогранат. Составы мелкозернистых бетонов, приготовленных с применением композиционных вяжущих, показали, что в разработанных бетонах снижается расход цемента на 12% с обеспечением требуемой нормативной прочности и обеспечением повышенной водопроницаемости и морозостойкости. Учитывая специфические природно-климатические условия грунтов Китая, разработанный состав обеспечит высокую водостойкость и долговечность мелкозернистых бетонов для свайных фундаментов.

Introduction. Fine-grained concrete has been widely used in construction industry of China and has remained the most "revolutionary" material in concrete construction technology over the past 10 years. Due to the rapid development of urban construction, land development, characterized by special environment and climate conditions for building high-rise and super high-rise buildings and structures, the development of highly efficient fine-grained highstrength concrete for foundations is required. Pile foundations are of particular importance in modern construction.Results. The article presents the results of obtaining fine-grained concretes of B25 and B30 classes with the developed composite binders for pile foundations having an increased water permeability W8 and frost resistance F300.Discussion and conclusion. The study of the microstructure showed a dense overgrowth of the pores of the cement stone, calcium and aluminum hydrosilicates were distributed in a uniform fringe on the contact zone with the aggregates, tightly fused into a single hydrogranate. It has been shown that for the compositions of fine-grained concretes with composite binders the cement consumption in the developed concretes is reduced by 12 per cent, while ensuring the required normative strength and increased water permeability and frost resistance. Taking into account the specific environment and climate conditions for soils in China, the developed composition will ensure high water resistance and durability of fine-grained concretes for pile foundations.

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The authors declare that there are no conflicts of interest present.