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Author:

周乾 (周乾.) | 杨娜 (杨娜.) | 闫维明 (闫维明.) (Scholars:闫维明)

Abstract:

  采用静力加载试验方法,研究了CFRP布墩接加固底部糟朽柱根的轴压承载性能.以故宫某古建檐柱为例,制作了6根1∶2试验模型,含1根完好试件,5根CFRP布墩接加固木柱柱根试件,进行了竖向轴压静力加载试验.基于试验结果,获得了木柱墩接加固前后的荷载-变形曲线、延性系数、极限承载力、荷载-应变曲线、轴压刚度等,讨论了CFRP布墩接加固木柱柱根的轴压受力机理,评价了CFRP布加固效果.结果表明:CFRP布墩接加固糟朽木柱柱根后,木柱轴压承载力提高幅度约为0.2%~8.3%,环向极限压应变可恢复到完好木柱的109.6% ~ 126.5%,纵向极限应变可恢复到完好木柱的108.6% ~ 160.7%,木柱变形能力得到提高,且木柱进入破坏阶段的轴压刚度提高,刚度退化不明显.因此,CFRP布墩接加固底部糟朽木柱柱根具有较好的效果.

Keyword:

承载能力 CFRP布 轴压试验 墩接加固 糟朽柱根 古建筑

Author Community:

  • [ 1 ] [周乾]北京交通大学土木建筑工程学院
  • [ 2 ] [杨娜]北京交通大学土木建筑工程学院
  • [ 3 ] [闫维明]北京工业大学工程抗震与结构诊治北京市重点实验室

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Source :

Year: 2016

Page: 314-320

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 7

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