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Author:

邓宗才 (邓宗才.) (Scholars:邓宗才) | 薛会青 (薛会青.)

Indexed by:

CQVIP PKU CSCD

Abstract:

通过试验研究了砂灰比、水灰比、纤维种类和减缩剂对高韧性纤维增强水泥基复合材料(ECC)收缩变形的影响.结果表明:随着砂灰比的增大,ECC收缩应变值逐渐减小;随着水灰比的增大,ECC收缩应变值逐渐增大;国产PVA纤维对控制ECC早期收缩变形有较明显的效果,而日本产的高弹性模量PVA纤维对控制ECC后期收缩变形效果显著;水灰比为0.40时,混杂纤维对控制ECC收缩变形的效用比单独掺入国产PVA或日本产PVA好;水灰比为0.40时,掺入减缩剂可使ECC收缩应变约减少200×10-6,可见减缩剂控制ECC收缩变形效果显著.

Keyword:

水泥 收缩 添加剂 增强混凝土 建筑材料

Author Community:

  • [ 1 ] 北京工业大学城市与工程安全减灾省部共建教育部重点实验室

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Source :

北京科技大学学报

Year: 2011

Issue: 02

Volume: 33

Page: 210-214

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: 7

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