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压弯剪作用下钢筋混凝土柱荷载-变形分析

仇建磊 贡金鑫

仇建磊, 贡金鑫. 压弯剪作用下钢筋混凝土柱荷载-变形分析[J]. 工程力学, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584
引用本文: 仇建磊, 贡金鑫. 压弯剪作用下钢筋混凝土柱荷载-变形分析[J]. 工程力学, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584
QIU Jian-lei, GONG Jin-xin. LOAD-DEFORMATION ANALYSIS OF REINFORCED CONCRETE COLUMNS CONSIDERING AXIAL-FLEXURE-SHEAR INTERACTION[J]. Engineering Mechanics, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584
Citation: QIU Jian-lei, GONG Jin-xin. LOAD-DEFORMATION ANALYSIS OF REINFORCED CONCRETE COLUMNS CONSIDERING AXIAL-FLEXURE-SHEAR INTERACTION[J]. Engineering Mechanics, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584

压弯剪作用下钢筋混凝土柱荷载-变形分析

doi: 10.6052/j.issn.1000-4750.2018.11.0584
基金项目: 国家自然科学基金项目(51478077,51678104)
详细信息
    作者简介:

    仇建磊(1992-),男,河南濮阳人,博士生,主要从事混凝土结构抗震研究(E-mail:qiu_jianlei@qq.com).

    通讯作者: 贡金鑫(1964-),男,河北人,教授,博士,博导,主要从事结构可靠性理论及混凝土结构抗震研究(E-mail:jinxingong@163.com).
  • 中图分类号: TU375.3

LOAD-DEFORMATION ANALYSIS OF REINFORCED CONCRETE COLUMNS CONSIDERING AXIAL-FLEXURE-SHEAR INTERACTION

  • 摘要: 为研究不同破坏模式下钢筋混凝土柱的受力机理及性能,该文提出能够考虑压弯剪相互作用的钢筋混凝土柱荷载-变形分析模型。以修正压力场理论及传统纤维截面分析法为基础,将柱受力过程分为弯曲控制及剪切控制两个阶段,分别对控制截面受拉区和受压区进行分析,同时考虑了纵筋受压屈曲及P-Δ效应的影响,进而得到柱水平受剪承载力及其变形。最后,为验证模型的有效性,对所收集的拟静力试验柱进行了模拟。结果表明,压弯剪作用下钢筋混凝柱会表现出弯曲、弯剪及剪切三种不同的破坏模式,其荷载-变形性能差异较大,采用该文所提模型所得计算曲线与试验结果吻合较好,该模型能够被用于钢筋混凝土柱抗震性能分析。
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压弯剪作用下钢筋混凝土柱荷载-变形分析

doi: 10.6052/j.issn.1000-4750.2018.11.0584
    基金项目:  国家自然科学基金项目(51478077,51678104)
    作者简介:

    仇建磊(1992-),男,河南濮阳人,博士生,主要从事混凝土结构抗震研究(E-mail:qiu_jianlei@qq.com).

    通讯作者: 贡金鑫(1964-),男,河北人,教授,博士,博导,主要从事结构可靠性理论及混凝土结构抗震研究(E-mail:jinxingong@163.com).
  • 中图分类号: TU375.3

摘要: 为研究不同破坏模式下钢筋混凝土柱的受力机理及性能,该文提出能够考虑压弯剪相互作用的钢筋混凝土柱荷载-变形分析模型。以修正压力场理论及传统纤维截面分析法为基础,将柱受力过程分为弯曲控制及剪切控制两个阶段,分别对控制截面受拉区和受压区进行分析,同时考虑了纵筋受压屈曲及P-Δ效应的影响,进而得到柱水平受剪承载力及其变形。最后,为验证模型的有效性,对所收集的拟静力试验柱进行了模拟。结果表明,压弯剪作用下钢筋混凝柱会表现出弯曲、弯剪及剪切三种不同的破坏模式,其荷载-变形性能差异较大,采用该文所提模型所得计算曲线与试验结果吻合较好,该模型能够被用于钢筋混凝土柱抗震性能分析。

English Abstract

仇建磊, 贡金鑫. 压弯剪作用下钢筋混凝土柱荷载-变形分析[J]. 工程力学, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584
引用本文: 仇建磊, 贡金鑫. 压弯剪作用下钢筋混凝土柱荷载-变形分析[J]. 工程力学, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584
QIU Jian-lei, GONG Jin-xin. LOAD-DEFORMATION ANALYSIS OF REINFORCED CONCRETE COLUMNS CONSIDERING AXIAL-FLEXURE-SHEAR INTERACTION[J]. Engineering Mechanics, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584
Citation: QIU Jian-lei, GONG Jin-xin. LOAD-DEFORMATION ANALYSIS OF REINFORCED CONCRETE COLUMNS CONSIDERING AXIAL-FLEXURE-SHEAR INTERACTION[J]. Engineering Mechanics, 2019, 36(10): 189-201. doi: 10.6052/j.issn.1000-4750.2018.11.0584
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