安徽省电网接地材料<strong>Q235</strong>钢的土壤腐蚀特性及规律性研究

安徽省电网接地材料Q235钢的土壤腐蚀特性及规律性研究

卞亚飞, 汤文明, 张洁, 毛锐锐, 缪春辉, 陈国宏

Soil Corrosion Characteristics of Q235 Steel Grounding Material Used in Power Grid in Anhui Province

BIAN Yafei, TANG Wenming, ZHANG Jie, MAO Ruirui, MIAO Chunhui, CHEN Guohong

表6 安徽省58个站点Q235钢试样1 a期土壤腐蚀速率与土壤理化性质的Spearman相关系数

Table 6 Spearman correlation coefficients of the corrosion rate of Q235 steel samples after soil corrosion in the 58 sites of Anhui province for 1 a and the physical and chemical properties of soil

	Corrosion rate	Soil texture	Soil resistance	Redox potential	pH	Water content	Salt content	Cl^- content
Corrosion rate	1.000	-0.224	0.216	-0.023	-0.440^**	-0.131	-0.167	0.008
Soil texture	-0.224	1.000	-0.395^**	0.093	0.343^**	0.436^**	0.080	0.152
Soil resistance	0.216	-0.395^**	1.000	-0.056	-0.429^**	-0.457^**	0.040	-0.433^**
Redox potential	-0.023	0.093	-0.056	1.000	-0.126	0.114	-0.083	-0.017
pH	-0.440^**	0.343^**	-0.429^**	-0.126	1.000	0.116	0.076	0.229
Water content	-0.131	0.436^**	-0.457^**	0.114	0.116	1.000	-0.137	0.265
Slat content	-0.167	0.080	0.040	-0.083	0.076	-0.137	1.000	-0.212
Cl^- content	0.008	0.152	-0.433^**	-0.017	0.229	0.265	-0.212	1.000