Results 251 to 260 of about 1,378,667 (312)

Based on 3D Technology Application Research About Urban Underground Pipeline Management Information System

open access: yesApplied Mechanics and Materials, 2010
Urban underground pipeline was an important part of urban public infrastructure, and it was lifeline of cities. Application research of urban underground pipeline management information system also was important to urban underground pipeline manager, and
Qi Zhi Zhang
exaly   +2 more sources

Single-Conversion Self-Injection-Locked Radar for Underground Pipeline Leak Detection

IEEE Sensors Journal, 2022
A type of single-conversion self-injection-locked (SCSIL) radar for sensing underground pipeline leakage through moist soil is proposed. In the implemented prototype, a 5.8-GHz output signal from a self-injection-locked (SIL) oscillator (SILO) is down ...
Fu-Kang Wang   +4 more
semanticscholar   +1 more source

Design and Modeling of Pipeline Inspection Robot (PIR) for Underground Pipelines

2021
The rapid growth of in-pipe inspection robots has been demanding in the society which is widely used in oil and gas industry, power plant industry, and sewage system, etc. This kind of robot can be applicable for inspecting the internal surfaces of underground pipelines like defects, cracks, and internal erosion.
Ravi Kant Jain   +6 more
openaire   +1 more source

Underground Pipeline Corrosion

Transportation Engineering Journal of ASCE, 1973
It has been estimated that losses to the water works industry in the United States due to underground corrosion are in excess of $150,000,000 annually. Work definitions and theory of underground pipeline corrosion are presented. Various methods have been tried in an attempt to combat the effects of corrosion on ferrous metal pipe buried in the ground ...
openaire   +1 more source

A Novel Underground Pipeline Surveillance System Based on Hybrid Acoustic Features

IEEE Sensors Journal, 2021
Underground pipeline network suffers severe damages caused by construction machines used in the rapid urbanization development and construction, leading to profound impact to people’s life.
Tianlei Wang, Jiu-Wen Cao, L. Pei
semanticscholar   +1 more source

A numerical investigation and probabilistic analysis of excavation earth retaining wall instability caused by underground pipeline leakage

Computers and geotechnics, 2021
In recent years, underground pipeline leakage occurs frequently in urban regions, which seriously reduces the soil-structure stability in the vicinity of the leakage. In this paper, a numerical study about pipeline leakage-induced instability of adjacent
Jian Ji   +4 more
semanticscholar   +1 more source

Fiber optic sensing technology in underground pipeline health monitoring: a comprehensive review

Structural Health Monitoring
Pipelines play a critical role in transporting water, oil, and gas and are indispensable for urban development. However, monitoring underground pipelines is challenging due to the complex environment in which they are situated.
C. Wen   +4 more
semanticscholar   +1 more source

Control of Corrosion in Underground Pipelines

Journal AWWA, 1954
Stray current is found flowing in the earth as the result of the operation of both intentionally and unintentionally grounded d-c systems. The most common offenders are street railways and electric railroads. Frequently difficulties are also caused by manufacturing plants and other d-c power users. The operation of a d-c traction system illustrates the
openaire   +1 more source

Ground-Penetrating Radar (GPR)-Based Mapping of Underground Pipeline Network Distribution

IEEE Sensors Journal
As the “lifeline” of urban operation, buried pipelines play an essential role in modern society. Due to the lack of comprehensive pipeline information, pipeline damage accidents often occur in urban construction.
Xiao-Ting Xiao   +4 more
semanticscholar   +1 more source

Multidirectional Enhancement Model Based on SIFT for GPR Underground Pipeline Recognition

IEEE Transactions on Geoscience and Remote Sensing
The recognition of underground pipelines is an important in urban areas. As an efficient and non-destructive recognition method, ground penetrating radar (GPR) has been increasingly applied in the recognition of underground pipelines.
Hongchang Chen   +3 more
semanticscholar   +1 more source

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