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内置碳纤维增强复材管的双管海水海沙混凝土柱轴压性能

缪坤廷 魏洋 王高飞 董峰辉 郑开启

缪坤廷, 魏洋, 王高飞, 董峰辉, 郑开启. 内置碳纤维增强复材管的双管海水海沙混凝土柱轴压性能[J]. 工业建筑, 2022, 52(9): 1-9. doi: 10.13204/j.gyjzG22030410
引用本文: 缪坤廷, 魏洋, 王高飞, 董峰辉, 郑开启. 内置碳纤维增强复材管的双管海水海沙混凝土柱轴压性能[J]. 工业建筑, 2022, 52(9): 1-9. doi: 10.13204/j.gyjzG22030410
MOU Kun-ting, WEI Yang, WANG Gao-fei, DONG Feng-hui, ZHENG Kai-qi. Mechanical Properties of Double-Tube Seawater and Sea Sand Concrete Columns with Built-in CFRP Tubes Under Axial Compression[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 1-9. doi: 10.13204/j.gyjzG22030410
Citation: MOU Kun-ting, WEI Yang, WANG Gao-fei, DONG Feng-hui, ZHENG Kai-qi. Mechanical Properties of Double-Tube Seawater and Sea Sand Concrete Columns with Built-in CFRP Tubes Under Axial Compression[J]. INDUSTRIAL CONSTRUCTION, 2022, 52(9): 1-9. doi: 10.13204/j.gyjzG22030410

内置碳纤维增强复材管的双管海水海沙混凝土柱轴压性能

doi: 10.13204/j.gyjzG22030410
基金项目: 

国家自然科学基金项目(51778300)

江苏省重点研发计划项目(BE2020703)

江苏省高校“青蓝工程”项目(2020)

江苏省自然科学基金项目(BK20151520、BK20191390)

江苏省研究生科研与实践创新计划项目(KYCX21_0880)

江苏省六大人才高峰项目(JZ-017)

详细信息
    作者简介:

    缪坤廷,男,1997年出生,硕士研究生

    通讯作者:

    魏洋,男,1978年出生,博士,教授,wy78@njfu.edu.cn。

Mechanical Properties of Double-Tube Seawater and Sea Sand Concrete Columns with Built-in CFRP Tubes Under Axial Compression

  • 摘要: 为了解决海水海沙混凝土在实际工程中的腐蚀问题,增强结构的抗震性能,提出了一种内置碳纤维增强复材(CFRP)管的双管海水海沙混凝土柱的新型结构,对12个内置CFRP管的双管海水海沙混凝土柱和4个普通钢管混凝土柱进行了轴向压缩试验,研究了钢管厚度和CFRP管层数对于其轴压性能的影响。试验结果表明,内部的CFRP管可以有效提高结构的承载力和延性,增强结构的抗压性能和变形能力。内置CFRP管的双管海水海沙混凝土柱的破坏往往伴随着其中1根CFRP管破坏,其余的CFRP管仍然可以提供约束,并在加载过程中依次破坏。基于面积等效和区域分割的理念,提出了内置CFRP管的双管海水海沙混凝土柱的轴压承载力计算式,并对预测精度和离散度进行了评估。
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出版历程
  • 收稿日期:  2022-03-04
  • 网络出版日期:  2023-02-06

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