REVIEW PAPER
Current Situation of Drainage Pipe Network
in China and its Detection Technology:
a Brief Review
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1
Yangtze Ecology and Environment Corporation Limited, China Three Gorges Corporation, Wuhan 430062, China
2
Shanghai Key Lab for Urban Ecological Processes and Eco-Restoration, School of Ecological
and Environmental Sciences, Institute of Eco-Chongming, Technology Innovation Center for Land Spatial
Eco-restoration in Metropolitan Area, Ministry of Natural Resources, Shanghai Engineering Research Center
of Biotransformation of Organic Solid Waste, East China Normal University, Shanghai 200241, China
3
School of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu 241000, China
4
PowerChina Huadong Engineering Corporation Limited, Hangzhou 311122, China
Submission date: 2023-02-06
Final revision date: 2023-05-01
Acceptance date: 2023-06-01
Online publication date: 2023-10-27
Publication date: 2023-12-19
Pol. J. Environ. Stud. 2024;33(1):19-29
KEYWORDS
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ABSTRACT
China’s urban drainage pipeline systems and pipeline inspection technologies have achieved
significant progress in the past 40 years, whereas the existing drainage pipelines are facing damage,
defects, and aging, and thus have received growing attention. To better understand the underlying
reasons for the development of China’s urban drainage pipeline systems, and improve the utilization
efficiency of pipeline inspection technologies, this research comprehensively analyzed the development
process of China’s urban drainage pipeline systems in terms of the spatio-temporal characteristics of
pipeline length, the types of sewer lines, existing problems and consequences. Moreover, the widely
used pipeline inspection technologies were presented and compared, and appropriate inspection
techniques were proposed for pipelines that are difficult to detect with the common techniques.
Finally, specific suggestions and future developments were provided for the construction, defect
inspection and condition assessment, and management and maintenance of urban drainage pipeline
systems. This review will hopefully assist in the management and maintenance of China’s urban
drainage pipeline systems, and provide a valuable experience and practices for other developing
countries.