砖粉与粉煤灰对碱激发矿渣复合材料力学性能的对比研究
Comparative Effect of Brick Powder and Fly Ash on the Mechanical Properties of Alkali-Activated Slag Composites
DOI: 10.12677/mos.2025.145380, PDF,   
作者: 黎康明：上海理工大学环境与建筑学院，上海
关键词: 砖粉；力学性能；碱激发材料；矿渣；粉煤灰；Brick Powder； Mechanical Property； Alkali-Activated Material； Slag； Fly Ash
摘要: 研究对比了砖粉(BP)与粉煤灰(FA)对碱激发矿渣复合材料(AASC)力学性能的影响，结果发现：在15%和30%掺量下，BP-AASC与FA-AASC极限应力接近，但FA-AASC随掺量增加极限应变显著提升，而BP-AASC变化较小。经不同温度养护后，BP-AASC在150℃时性能最优，FA-AASC则在100℃最佳。结合单轴拉伸试验、DIC裂缝分析和SEM微观表征，揭示了掺料类型与温度对AASC材料拉伸性能的协同作用机制。
Abstract: The effects of brick powder (BP) and fly ash (FA) on the mechanical properties of alkali-activated slag composites (AASC) were compared, and the results showed that the ultimate stress of BP-AASC and FA-AASC was close to that at 15% and 30% content, the ultimate strain of FA-AASC increased significantly with the increase of content, while the change of BP-AASC was small. After curing at different temperatures, BP-AASC had the best performance at 150˚C, and FA-AASC had the best performance at 100˚C. Combined with the uniaxial tensile test, DIC crack analysis, and SEM microscopic characterization, the synergistic mechanism of admixture type and temperature on the tensile properties of AASC materials was revealed.
文章引用：黎康明. 砖粉与粉煤灰对碱激发矿渣复合材料力学性能的对比研究[J]. 建模与仿真, 2025, 14(5): 141-153. https://doi.org/10.12677/mos.2025.145380

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