An influence of composite nano materials on tensile properties of concrete members
by Weiqiang Chen; Yuanyuan Wang; Yali Li; Yanbiao Ke
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 16, No. 4, 2023

Abstract: In order to improve the tensile properties and prediction effect of concrete members, this paper studies the influence of composite nanomaterials on the tensile properties of concrete members. Firstly, the concrete members containing composite nanomaterials were prepared, the compressive strength of the concrete members was calculated by compressive mathematical function, the tensile properties of the concrete members were analysed according to the tensile mechanism, and the compressive stress-strain curve of the nanofibre concrete members was obtained. The tensile constitutive function of nanofibre ultra-high performance concrete (UHPC) was constructed to analyse the influence of composite nanomaterials on the tensile properties of concrete members. The experimental results show that the ultimate tensile strength and elastic ultimate tensile strength of concrete members with the proposed method can reach 11.54 MPa and 9.56 MPa, and the prediction accuracy of tensile properties can reach 99%, indicating that the proposed method can improve the tensile properties of concrete members.

Online publication date: Fri, 20-Jan-2023

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