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Abstract:
通过对1d龄期的再生混凝土拉伸徐变试件进行单轴拉伸,研究再生粗骨料、单掺粉煤灰和复掺粉煤灰加矿渣对再生混凝土早龄期各类拉伸徐变性能的影响.结果表明:再生混凝土拉伸徐变性能与普通混凝土类似,呈现早期发展快、后期发展慢的规律;掺人70%再生粗骨料导致再生混凝土各类拉伸徐变增加,拉伸总徐变增幅为8.0%;单掺粉煤灰和复掺粉煤灰加矿渣均导致再生混凝土各类拉伸徐变增加,30%~ 60%粉煤灰掺量的再生混凝土拉伸总徐变增幅为8.5%~32.5%,30%~60%粉煤灰加矿渣复掺量的再生混凝土拉伸总徐变增幅为2.6%~21.7%;相较于单掺粉煤灰,复掺粉煤灰加矿渣的再生混凝土的拉伸徐变增幅较低.
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福州大学学报(自然科学版)
ISSN: 1000-2243
CN: 35-1337/N
Year: 2018
Issue: 5
Volume: 46
Page: 700-704
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 1
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