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Author:

邓宗才 (邓宗才.) (Scholars:邓宗才) | 刘少新 (刘少新.) | 王海忠 (王海忠.) | 陈仲锴 (陈仲锴.)

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Abstract:

为研究纤维增强聚合物(fiber reinforced polymer,FRP)管约束超高性能混凝土(ultra-high performance concrete,UHPC)的轴压特性,分别对4个未约束和36个约束圆柱体试件进行了轴压试验,测定了应力-应变全曲线,获得了强度和极限应变值.试验结果发现:FRP约束UHPC可明显提高其强度和变形能力,纤维布层数愈多、强度越高,改善效果愈明显;轴压应力-应变曲线为双线性;在相近的约束比下,FRP管约束刚度越小,约束试件的极限应变值越大;已有的强度和极限应变的模型预测值均高于实测值,极限应变预测值偏离试验值更大.本文回归得到了FRP管UHPC的强度和...

Keyword:

轴压性能 约束 纤维增强聚合物 超高性能混凝土

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 :

北京工业大学学报

Year: 2015

Issue: 05

Volume: 41

Page: 728-734

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: 9

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