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Author:

邓宗才 (邓宗才.) (Scholars:邓宗才) | 付建斐 (付建斐.)

Indexed by:

CQVIP PKU CSCD

Abstract:

为了掌握玄武岩纤维(BFRP)布对混凝土柱体的约束效果,通过玄武岩纤维布约束混凝土圆柱体、棱柱体的轴压试验,研究了其破坏形态、应力-应变曲线、峰值应力及峰值应变.试验结果表明:①相比未约束混凝土试件,玄武岩纤维布粘贴2~7层时,约束圆柱体和棱柱体试件的抗压强度分别提高了78.8%~255.1%和125.1%~365.2%,峰值应变分别提高了335.2%~839.4%和418.9%~958.5%;②混凝土试件的抗压强度与约束层数之间近似线性关系;纤维布约束层数相同时,圆柱体试件的抗压强度高于棱柱体;③基于试验数据拟合了玄武岩纤维约束混凝土圆柱体和棱柱体的强度模型,模型与试验数据吻合良好.

Keyword:

强度 力学性能 混凝土 玄武岩纤维布

Author Community:

  • [ 1 ] [邓宗才]北京工业大学
  • [ 2 ] [付建斐]北京工业大学

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Source :

混凝土

ISSN: 1002-3550

Year: 2013

Issue: 7

Page: 37-40,49

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 5

Chinese Cited Count:

30 Days PV: 4

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