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Abstract:
选用膨胀珍珠岩作为水泥砂浆的内养护材料,研究了膨胀珍珠岩粒径对水泥砂浆收缩率及力学性能的影响。结果表明,膨胀珍珠岩粒径的减小会降低其早期吸水能力,提高其后期释水速度,因而膨胀珍珠岩粒径对砂浆收缩率的影响与时间有关;前45d,0.425~0.250mm珍珠岩砂浆的收缩率最小;45~60d,砂浆收缩率随珍珠岩粒径的减小而增大;砂浆的抗压强度、抗折强度、拉伸粘结强度基本随着膨胀珍珠岩粒径的减小而逐渐增大,且珍珠岩粒径的减小对提高砂浆的柔韧性有利。
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混凝土与水泥制品
ISSN: 1000-4637
Year: 2014
Issue: 10
Page: 21-24
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 4
Chinese Cited Count:
30 Days PV: 13
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