ITU-T L.73-2008
地下塑料管道的检查和维修方法.6号研究组

Methods for inspecting and repairing underground plastic ducts Study Group 6

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标准号

ITU-T L.73-2008

发布日期

2008年04月01日

实施日期

废止日期

无

中国标准分类号

M11

发布单位

IX-ITU

引用标准

ITU-T L.1-1988 ITU-T L.11-1988 ITU-T L.35-1998 ITU-T L.38-1999 ITU-T L.39-2000 ITU-T L.40-2000 ITU-T L.46-2000 ITU-T L.48-2003 ITU-T L.63-2004

适用范围

This Recommendation: makes a classification of different methods for inspecting and repairing underground ducts; describes both trenchless methods and conventional methods; is limited to the methods for underground ducts in which no cables are installed; focuses on methods for underground ducts thathave single-way duct unit systems and are made of plastic materials such as polyvinyl chloride (PVC) and polyethylene (PE); deals with pipes having diameters ranging from 90 to 110 mm.