浙江电力

2022, v.41;No.312(04) 62-67

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基于微波反射法的输变电钢筋混凝土腐蚀检测
Corrosion Detection of Transmission and Transformation Reinforced Concrete Based on Microwave Reflection Method

王旭杰,王申华,陈建斌,蒋建红,黎鹏,吴田
WANG Xujie,WANG Shenhua,CHEN Jianbin,JIANG Jianhong,LI Peng,WU Tian

摘要(Abstract):

针对输变电钢筋混凝土结构的腐蚀问题,提出一种基于微波反射法的钢筋腐蚀检测方法。利用CST三维电磁仿真软件,建立钢筋混凝土结构腐蚀数值仿真模型;通过分析回波损耗的变化规律,揭示不同腐蚀程度钢筋混凝土对微波检测效果的影响。仿真结果表明:当波导采用竖直放置方式且提离距离为8 mm时检测效果较好;微波能有效检测区分不同腐蚀程度的钢筋。
In view of the corrosion of reinforced concrete structure for power transmission and transformation, a corrosion detection method based on microwave reflection method is proposed. CST three-dimensional electromagnetic simulation software is used to establish a numerical simulation model of reinforced concrete structure corrosion. By analysis of the variation law of return loss,the influence of reinforcement concrete with different corrosion degrees on the microwave detection effect is revealed,and the feasibility of this method is verified. The simulation results show that the detection effect is greater when the waveguides are vertically placed and the lift-off distance is 8 mm.Microwave can effectively detect and distinguish steel bars with different corrosion degrees.

关键词(KeyWords): 钢筋混凝土;微波反射法;回波损耗;提离距离;腐蚀程度
reinforced concrete;microwave reflection method;return loss;lift-off distance;corrosion degree

Abstract:

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基金项目(Foundation): 国网浙江省电力有限公司科技项目(BD60ZHJS2020001)

作者(Author): 王旭杰,王申华,陈建斌,蒋建红,黎鹏,吴田
WANG Xujie,WANG Shenhua,CHEN Jianbin,JIANG Jianhong,LI Peng,WU Tian

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