After the cathodic protection measures ie the deep well anode bed plus impressed current were adopted for the underground pipeline network of Eureka unit in the refinery of Yangtz Petrochemical Company, the protection voltage was - 0.

The rhythm of urban life had been greatly accelerated along with the rapid development of the city informalization,a lot of underground pipelines,such as the water supply pipeline,power supply pipeline,heating pipeline,and so on,had been used more frequently.

This paper is written in coordination with the research of the underground pipeline information system.

Survey and drawing and data management of campus underground pipe network;

Preliminary discussion on underground pipe network information system building in Kunming;

The construction of underground pipe network system with virtual reality;

Design of model of spatial data mining in GIS of city underground pipelines;

In this paper,the application and development of information system for urban underground pipelines are discussed.

Underground pipelines is a huge and important public procurement network in modern cities, and the characters of underground pipelines can be generalized as various sorts, complex structure and volume data.

An elementary research on MIS development of enterprise s underground pipeline network;

Design and realization of Urban underground pipeline network information system;

In light of various sewage sources,the discrete variable optimization method is used to design a synthesized underground pipeline network system to collect and re-use the sewage,in order to transform the consumptive mode to the re-use mode for the fresh water resource.

The realization of three-dimensional pipeline visual function among underground pipeline networks management information system;