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笔者曾参加中国土壤腐蚀代表团赴日考察.本文简介了日本的防护工作及对埋地管道等的防护方法,以供同行参考.一、日本的腐蚀与防护概况日本是个岛国,工业发达,电气化铁路纵横交错,地下构筑物的腐蚀,80%左右是由地下杂散电流引起的.因此,他们对海水腐蚀和杂散电流腐蚀非常重视.从昭和8年(1933年)12月开始,就陆续组织了一些专门从事防护的研究单位.到目前,一共有295个团体.有的是政府领导的,有的是大学、工厂或公司联合组成的.
The author has participated in the Chinese soil erosion delegation to Japan for inspection.This article briefs on Japan’s protective work and the buried pipelines and other protective methods for peer reference.One Japan’s corrosion and protection Japan is an island nation, developed industries, electrification Due to the criss-crossing of railway lines and the corrosion of underground structures, about 80% are caused by underground stray currents, so they attach great importance to seawater corrosion and stray current corrosion. So far, there have been 295 research institutes specializing in protection, some of them government-led, some of them universities, factories or companies.