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Abstract:
因为混凝土粗细骨料中粘土对聚羧酸系减水剂减水效果影响显著,该文研究了不同粘土含量对掺加聚羧酸减水剂的砂浆流动度,3d、28d抗压强度和抗折强度的影响。结果表明,当粘土含量为3%、6%及9%时,砂浆初始流动度分别比不掺粘土砂浆降低了20%、40%和52%,3d龄期时的抗压强度分别降了10.7%、17%和19.7%,28d龄期时的抗折强度分别降低了8%、14.6%和27%,试验结果说明了粘土的存在会降低聚羧酸减水剂的减水效果以及制备的砂浆抗压和抗折强度。
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Source :
建材世界
Year: 2015
Issue: 06
Volume: 36
Page: 4-7
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: 28
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