Статья

Effect of origin, granulometric characteristics of binary fillers, and chemical modifiers on the structure and durability of fine-grained basalt fiber-reinforced concrete

Anvar AdilxodjaevTashkent State University of LawIlkhom A. KadirovUzbek-Japan Innovation Center of Youth, 2b, Universitet str, Tashkent, 100095, UzbekistanSaidmurad NiyazbekovUzbek-Japan Innovation Center of Youth, 2b, Universitet str, Tashkent, 100095, UzbekistanФ.Э. АбдукадировTashkent State Transport University, 1, Temiryulchilar str, Tashkent, 100167, UzbekistanAbbas GuvalovAzerbaijan University of Architecture and Construction, 11, Ayna Sultanova str, Baku, 1073, AzerbaijanBekzod KudratovTashkent University of Architecture and Civil Engineering, 9, Yangishahar str, Tashkent, 100206, UzbekistanErkin KaxarovTashkent State University of LawДилбар ТошеваBukhara State Technical University, 15, Kayum Murtazayev str, Bukhara, 200117, UzbekistanA. БабажановTashkent State Transport University, 1, Temiryulchilar str, Tashkent, 100167, UzbekistanM. RadjabovNational Research University “Tashkent Institute of Irrigation and Agricultural Mechanization Engineers”, 39, Kori Niyozi str, Tashkent, 100000, Uzbekistan

2026en

ABI

Аннотация

This paper presents the results of an experimental investigation into the influence of the origin and particle size distribution of binary mineral fillers, combined with a polycarboxylate superplasticizer, on the structure and properties of fine-grained basalt fiber-reinforced concrete. It was established that a composition based on silica fume (10%) and a carbonate component (15%) provides a synergistic effect, resulting in the densification of the cement stone and improved mechanical performance. The results demonstrate that reducing the water-to-cement (W/C) ratio to 0.27 through the use of a superplasticizer (≈ 0.8%) promotes the formation of a dense microstructure and increases the compressive strength to 84 MPa. The addition of basalt fibers (4%) enhances crack resistance and the modulus of elasticity through three-dimensional spatial reinforcement. Furthermore, a reduction in porosity of over 20% was observed, alongside improved durability characteristics, including water absorption down to 2.6%, water impermeability up to W14, and frost resistance up to F600. Additionally, partial cement replacement ensures a reduction in CO 2 emissions to 340 kg/m 3 (over 40%), confirming the environmental efficiency of the developed compositions.

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Идентификаторы

DOI: 10.1007/s43939-026-00900-3

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