Jing Yu1, Jie Ren2, Guangming Shen3, Weixiang Sun2, Hui Wang4,*
FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.9, pp. 2385-2398, 2023, DOI:10.32604/fdmp.2023.027877
- 16 May 2023
Abstract In this paper, the influence of NaCl freeze-thaw (F-T) cycles and dry-wet (D-W) alternations on the flexural, compressive and bonding strengths of alkali-activated fly ash (FA) and a blast furnace slag powder (BFS) is investigated. The considered NaCl concentration is 3%. The effect of polypropylene fibers on the mechanical strengths is
also examined. Scanning electron microscopy (SEM), thermogravimetry (TG) and X-ray diffraction (XRD) are
selected to discern the mechanisms underpinning the NaCl-induced erosion. The obtained results indicate that
the best results in terms of material resistance are obtained with admixtures containing 60% BFS and 40%… More >
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