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author:

姚志雄 (姚志雄.) [1] | 周健 (周健.) [2] | 周瑞忠 (周瑞忠.) [3] (Scholars:周瑞忠)

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CQVIP CSCD

Abstract:

采用虚拟裂缝模型结合线弹性断裂力学,分析了掺与不掺纤维活性粉末混凝土(RPC)的断裂特性.结果显示,RPC中掺入钢纤维后,其裂缝的扩展受到限制,而断裂韧度、裂缝尖端亚临界扩展量和裂缝尖端张开位移(CTODc)大大提高,韧性得到显著改善.另外还给出了掺与不掺纤维RPC各断裂参数随纤维掺量的变化规律,分析了其断裂破坏的机理.

Keyword:

断裂韧度 纤维增强 纤维掺量 虚拟裂缝模型 裂缝尖端亚临界扩展量

Community:

  • [ 1 ] [姚志雄]同济大学
  • [ 2 ] [周健]同济大学
  • [ 3 ] [周瑞忠]福州大学

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Source :

建筑材料学报

ISSN: 1007-9629

CN: 31-1764/TU

Year: 2006

Issue: 6

Volume: 9

Page: 654-659

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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