- 惠 存，王森林，李 克，陶宏利，邱 軒，邊亞東
引用本文摘 ? 要：通過正交試驗研究了粉煤灰、硅灰和玄武巖纖維對混凝土力學性能的影響，結合SPSS軟件對試驗數據進行了統計分析，運用極差分析方法得到了各因素對混凝土力學性能影響的主次順序。結果表明：隨著粉煤灰摻量的增加，混凝土各齡期的力學性能呈下降趨勢；隨著硅灰摻量的增加，混凝土各齡期的力學性能呈上升趨勢；隨著玄武巖纖維摻量的增加，混凝土的抗壓強度基本不變，劈裂抗拉強度得到一定提升；當粉煤灰摻量為10%、硅灰摻量為6%、玄武巖纖維摻量為0.45%時，混凝土各齡期的抗壓強度和劈裂抗拉強度均最高。 Abstract: The effects of fly ash, silica fume and basalt fiber on the mechanical properties of concrete were studied by orthogonal test, and the test datas were statistically analyzed by SPSS software, and the primary and secondary order of the influence of various factors on the mechanical properties of concrete was obtained by using the range analysis method. The results show that the mechanical properties of concrete at each age decrease with the increase of fly ash content. With the increase of silica fume content, the mechanical properties of concrete at each age show an upward trend. With the increase of basalt fiber content, the compressive strength of concrete is basically unchanged, and the splitting tensile strength is improved to a certain extent. When the fly ash content is 10%, silica fume content is 6% and basalt fiber content is 0.45%, the compressive strength and splitting tensile strength of concrete at each age are the highest.
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