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    Durability of Green Concrete in Severe Environment

    Yonggan Yang1,2,3,4, Zihao Kang1, Binggen Zhan1,3,*, Peng Gao1,3,*, Qijun Yu1, Yanlai Xiong4, Jingfeng Wang1,3, Yunsheng Zhang5

    Journal of Renewable Materials, Vol.11, No.4, pp. 1895-1910, 2023, DOI:10.32604/jrm.2023.025059

    Abstract In this paper, the effects of different mineral admixtures and sulfate solution types on the appearance, mass change rate, relative dynamic elastic modulus, and corrosion resistance coefficient of concrete were systematically studied. X-ray Diffraction (XRD), Mercury Intrusion Porosimetry (MIP), Scanning Electron Microscopy (SEM), and X-ray Computed Tomography (X-CT) were used to explore and analyze the changes in the microstructure and the corrosion products of concrete in the sulfate solution. The results show that the existence of magnesium ions accelerates concrete deterioration. There is a critical dosage of fly ash for magnesium sulfate resistance of concrete. The magnesium sulfate resistance of… More > Graphic Abstract

    Durability of Green Concrete in Severe Environment

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