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模拟地铁的实际工况,使用长效铜/硫酸铜电极作为测量混凝土钢筋极化电位的参考电极,检验长效铜/硫酸铜电极的稳定性、有杂散电流扰动时混凝土钢筋极化电位的变化情况以及参考电极安装位置的不同对极化电位测量的影响,同时根据广州地铁一号线杂散电流监测系统记录的数据,分析长效铜/硫酸铜电极的工作情况.实验证明,长效铜/硫酸铜电极可以在地铁的混凝土结构中用于测量埋地金属结构的杂散电流腐蚀.
Simulation of the actual conditions of the subway, the use of long-acting copper / copper sulfate electrode as the reference electrode for measuring the polarization potential of concrete to test the stability of long-acting copper / copper sulfate electrode, a stray current disturbance of concrete polarization potential Changes and the installation position of the reference electrode polarization potential measurement impact, at the same time based on Guangzhou Metro Line stray current monitoring system records the data analysis of long-acting copper / copper sulfate electrode work. Experiments show that the long-acting Copper / copper sulfate electrodes can be used in metro concrete structures to measure stray current corrosion of buried metal structures.