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大跨桥梁缆索钢丝腐蚀速率的试验研究

缪长青,  尉廷华,  王义春,  王蔓

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文章导航 > 西南交通大学学报  > 2014 >  27(3): 513-518.
缪长青, 尉廷华, 王义春, 王蔓. 大跨桥梁缆索钢丝腐蚀速率的试验研究[J]. 西南交通大学学报, 2014, 27(3): 513-518. doi: 10.3969/j.issn.0258-2724.2014.03.022
引用本文: 缪长青, 尉廷华, 王义春, 王蔓. 大跨桥梁缆索钢丝腐蚀速率的试验研究[J]. 西南交通大学学报, 2014, 27(3): 513-518. doi: 10.3969/j.issn.0258-2724.2014.03.022
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MIAO Changqing, WEI Tinghua, WANG Yichun, WANG Man. Corrosion Rate Test of Cable Wires of Large Span Bridge[J]. Journal of Southwest Jiaotong University, 2014, 27(3): 513-518. doi: 10.3969/j.issn.0258-2724.2014.03.022
Citation: MIAO Changqing, WEI Tinghua, WANG Yichun, WANG Man. Corrosion Rate Test of Cable Wires of Large Span Bridge[J]. Journal of Southwest Jiaotong University, 2014, 27(3): 513-518. doi: 10.3969/j.issn.0258-2724.2014.03.022
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大跨桥梁缆索钢丝腐蚀速率的试验研究

doi: 10.3969/j.issn.0258-2724.2014.03.022
基金项目: 

国家自然科学基金资助项目（51078080）

航空科学基金资助项目（20130969010）

江苏省交通运输科技项目（2011Y03-6）

Corrosion Rate Test of Cable Wires of Large Span Bridge

摘要

    摘要
  • 摘要: 为了探讨大跨桥梁缆索腐蚀规律，根据缆索钢丝的实际腐蚀状态制作了圆柱形腐蚀电极，基于正交试验设计原理和电化学实验方法进行了缆索高强度钢丝的腐蚀速率研究.在对试验结果直观分析和方差分析的基础上，研究了温度、含盐量、pH值等因素及交互作用对钢丝腐蚀速率的影响规律.研究结果表明，环境影响因素的主次顺序为：NaCl浓度> 温度> 温度与pH值的交互作用> pH值> 温度与NaCl浓度的交互作用> NaCl浓度与pH值的交互作用.温度和NaCl浓度对钢丝腐蚀速率的影响呈单调关系，而pH值的影响呈非单调关系.

     

    Abstract: In order to explore the corrosion law of large span bridge cables, cylindrical corrosion electrodes were prepared according to the actual corrosion state of bridge cable wires, and the electrochemical corrosion rate of the high strength-steel wires were investigated by orthogonal experiment design and electrochemical experiments. The influence of temperature, salinity, pH value, and their interaction on steel corrosion rate were studied through intuitive analysis and variance analysis of the test results. The result shows that the environmental impact factors can be ordered descendingly by their importance in affecting the corrosion rate of cable wires as NaCl concentration > temperature > interaction between temperature and pH value > pH value > interaction between temperature and NaCl concentration > interaction between NaCl concentration and pH value. In addition, temperature and NaCl concentration bear a monotonic relationship with the corrosion rate and pH value bears a nonmonotonic relationship with the corrosion rate.

     

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  • 收稿日期:  2013-02-23
  • 刊出日期:  2014-06-25

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