地下排水管道的非损伤检测及管道状态的评估方法

Non-damage Sewer Inspection ＆ Assessment Technology for Sewer Condition

随着越来越重视环境问题，城市污水管道的建设不断增加，大量的污水管道慢慢老化，它们就需要修护和更新。本论文介绍了对污水管道不产生影响的管道检测和评价技术，污水管道防御性维护是非常必要的。

Along with the emphasis on environmental issue and increasing of constructions of urban sewer, alarge number of sewers are gradually aging, they need maintenance and rehabilitation. This paper illustrates non-damage inspection technology for sewer and explains assessment technology of sewer condition which bases on results of the non-damage sewer inspection. Finally the paper proposes that preventive maintenance of sewer is necessary.