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author:

刘君平 (刘君平.) [1] (Scholars:刘君平) | 周宗源 (周宗源.) [2] | 刘永健 (刘永健.) [3] | 陈宝春 (陈宝春.) [4] (Scholars:陈宝春)

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Abstract:

为加强方钢管与管内混凝土的组合作用,提出在方钢管混凝土柱的钢管内壁设置开孔钢板(PBL)加劲肋。以长细比和偏心率为参数,进行了PBL加劲肋方钢管混凝土柱偏压性能试验,同时进行无加劲肋和钢板加劲肋方钢管混凝土柱的偏压对比试验。试验结果表明:无加劲肋构件为受压侧钢管管壁单波鼓曲破坏,钢板加劲肋和PBL加劲肋构件均为双波鼓曲破坏;PBL加劲肋构件承载力比未加劲构件提高了6.95%,比钢板加劲肋构件降低了4.33%,PBL加劲肋的主要作用体现在加强钢管与核心混凝土的组合作用,试件管内混凝土受拉裂缝分布更为均匀,裂缝宽度和间距更小。以方钢管混凝土偏压柱承载力计算公式为基础,考虑PBL加劲肋和孔内"混凝土...

Keyword:

PBL加劲肋 偏压试验 承载能力 方钢管混凝土柱

Community:

  • [ 1 ] 福州大学土木工程学院
  • [ 2 ] 长安大学公路学院

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Source :

建筑结构学报

ISSN: 1000-6869

CN: 11-1931/TU

Year: 2017

Issue: 11

Volume: 38

Page: 42-48

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: 4

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