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Abstract:
为了制备超高韧性的水泥基复合材料(ultra high toughness cementitious composites,UHTCC),通过抗压、抗折以及直接拉伸试验,结合扫描电镜(SEM)测试,探讨粉煤灰掺量、石英砂掺量对UHTCC力学性能的影响;通过粉煤灰-石英砂复配,研究超高韧性水泥基材料的最优粉煤灰-石英砂掺量配比.结果表明:随着粉煤灰掺量的增加,抗压、抗折强度降低,拉伸变形增大,但是当粉煤灰质量/水泥质量(m(FA)/m(C))大于2.7后,拉伸变形提高缓慢;当石英砂质量/胶凝材料的质量(m(S)/m(B))为0.36时,拉伸变形性能最好;本文确定的最优粉煤灰-石英砂体系掺量为:m...
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Source :
北京工业大学学报
Year: 2018
Issue: 04
Volume: 44
Page: 553-560
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 5
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