| 锈蚀钢筋混凝土柱承载力评估理论与方法 |
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| 引用本文： | 石泉彬,姜晔,蒋凤昌,薛剑胜,伏健.锈蚀钢筋混凝土柱承载力评估理论与方法[J].淮海工学院学报,2011(4):65-70. |
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| 作者姓名： | 石泉彬 姜晔 蒋凤昌 薛剑胜 伏健 |
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| 作者单位： | [1]泰州职业技术学院建筑工程系．江苏泰州225300 [2]同济大学土木工程学院,上海200092 [3]江苏省第一建筑安装有限公司博士后工作科研站,江苏泰州229300 |
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| 摘 要： | 基于锈蚀纵筋压屈试验,依据构件延性破坏的理论原则,提出了柱中锈蚀纵筋计算可用应力的物理模型。结合改进后的混凝土截面锈损模型和钢筋与混凝土间粘结力退化模型,提出了适用于不同纵筋锈蚀率和箍筋锈断情况的轴心受压、小偏心受压以及大偏心受压锈蚀钢筋混凝土柱的正截面承载力估算的理论与方法,给出了相应的计算公式,并与国内外相关试验结果进行对照,初步证实了所提出的估算理论与方法在相应范围内是可行的。
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| 关 键 词： | 锈蚀 钢筋混凝土柱 承载力 评估 方法 |
Calculating Theory and Methods for the Load-carrying Capacity of Corroded Reinforced Concrete Columns |
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| SHI Quan-bin,JIANG Ye,JIANG Feng-chang,XUE Jian-sheng,FU Jian.Calculating Theory and Methods for the Load-carrying Capacity of Corroded Reinforced Concrete Columns[J].Journal of Huaihai Institute of Technology:Natural Sciences Edition,2011(4):65-70. |
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| Authors: | SHI Quan-bin JIANG Ye JIANG Feng-chang XUE Jian-sheng FU Jian |
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| Affiliation: | 1.Dept.of Architectural Engineering,Taizhou Polytechnical College,Taizhou 225300,China; 2.School of Civil Engineering,Tongji University,Shanghai 200092,China; 3.Postdoctoral Research Station,Jiangsu No.1 Construction and Installation Co.,Ltd.,Taizhou 225300,China) |
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| Abstract: | Based on the buckling experiments containing corroded longitudinal reinforcement specimens,a physical model for the usable strength of corroded longitudinal reinforcements is presented.In accordance with the ductile damage theory and the improved effective concrete section model and adhesion force degeneration model,the section strength calculation theory and methods are presented to estimate the load-carrying capacity of corroded reinforced concrete columns under the axial,small eccentric and large eccentric loads,taking diverse corrosion rates and corroded stirrups losing effectiveness into consideration.Compared with the other collected experimental results,the reliability of the proposed calculation theory and methods is verified. |
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| Keywords: | corroded reinforced concrete column load-carrying capacity estimate method |
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