| 盐渍土环境下氯离子侵入混凝土模型研究 |
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| 引用本文： | 乔頔,夏文俊,赵阳,周欣,徐永福.盐渍土环境下氯离子侵入混凝土模型研究[J].公路交通科技,2011(10):153-158. |
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| 作者姓名： | 乔頔 夏文俊 赵阳 周欣 徐永福 |
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| 作者单位： | 上海交通大学船舶海洋与建筑工程学院;江苏省交通工程建设局; |
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| 基金项目： | 江苏省交通科研项目(09Y35) |
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| 摘 要： | 氯离子侵入引发钢筋腐蚀,降低了盐渍土环境下钢筋混凝土结构物使用寿命.综合考虑混凝土孔隙溶液中氯离子的扩散、电迁移以及毛细吸附等运移方式,建立盐渍土环境下氯离子侵入混凝土模型,预测结构物寿命.采用有限元方法分析扩散电场、毛细作用对氯离子运移过程的影响.分析表明,多种离子运移产生的电场加速了氯离子的运移过程,且毛细作用在早...
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| 关 键 词： | 环境工程 氯离子侵入 有限元法 盐渍土 钢筋混凝土 扩散电场 毛细作用 |
Model of Chlorion Ingress of Concrete from Saline Soil |
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| QIAO Di,XIA Wenjun,ZHAO Yang,ZHOU Xin,XU Yongfu.Model of Chlorion Ingress of Concrete from Saline Soil[J].Journal of Highway and Transportation Research and Development,2011(10):153-158. |
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| Authors: | QIAO Di XIA Wenjun ZHAO Yang ZHOU Xin XU Yongfu |
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| Institution: | QIAO Di1,XIA Wenjun2,ZHAO Yang2,ZHOU Xin2,XU Yongfu1 (1.School of Naval Architecture,Ocean and Civil Engineering,Shanghai Jiaotong University,Shanghai 200240,China,2.Jiangsu Provincial Traffic Engineering Construction Bureau,Nanjing Jiangsu 200002,China) |
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| Abstract: | Chloride ingress of reinforced concrete buried in saline soil will cause corrosion of interior steel and shorten service life.A comprehensive model which takes three mechanisms into account,including diffusion,migration and capillary absorption,was proposed to simulate the chloride transport process in concrete pore solution and predict the service life of reinforcement.The influence of electric field diffusion and capillary suction on chloride transport was analyzed by using finite element method.It is sho... |
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| Keywords: | environment engineering chloride ingress finite element method saline soil reinforced concrete diffusion electric field capillary suction |
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