Shanqing Shao1, Aimin Gong1, Ran Wang1, Xiaoshuang Chen1, Jing Xu2, Fulai Wang1,*, Feipeng Liu2,3,*
FDMP-Fluid Dynamics & Materials Processing, Vol.19, No.12, pp. 3007-3019, 2023, DOI:10.32604/fdmp.2023.029545
Abstract The composite exciter and the CaO to Na2SO4 dosing ratios are known to have a strong impact on the mechanical
strength of fly-ash concrete. In the present study a hybrid approach relying on experiments and a machine-learning technique has been used to tackle this problem. The tests have shown that the optimal admixture of CaO and
Na2SO4 alone is 8%. The best 3D mechanical strength of fly-ash concrete is achieved at 8% of the compound
activator; If the 28-day mechanical strength is considered, then, the best performances are obtained at 4% of
the compound activator. Moreover, the 3D mechanical strength… More >
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