基于因子分析的管道土壤腐蚀因素

Analysis of Soil Corrosion Factor of the Gas Piping

对常州市埋地燃气管道周边土壤的基本理化数据进行了因子分析,将9个检测变量归结为4个公共因子。研究结果表明,土壤各方面的性质对于土壤腐蚀的重要程度是不一样的;在进行多因素评价时,应选取含盐量、含水量、自然腐蚀电位、氧化还原电位以及土壤电阻率作为主要考察因素,而常作为主要评价因素的pH值和杂散电流则可不用考虑。

The fundamental physical and chemical data of periphery soil buried gas pipeline in Changzhou City has been carried out by the method of factor analysis, and the 9 detected variables have been summed up to common 4 factors. The result shows that the degree that every property of soil corrodes soil is different; during the period of evaluation, the factor of saltiness, moisture content, natural corrosion electric potential, oxide deoxidation electric potential and soil resistance should be chosen as main factors, but pH value and stray current generally as the main factors will not be considered.