Results 11 to 20 of about 770 (261)
To investigate the effect of stray current in subways on the corrosion of buried pipelines near tracks, a 3D-finite element method (FEM) model of stray current distribution for one subway interval was established. Under the operation conditions of subway
Zhichao Cai, Xianwei Zhang, Jing Zhang
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Research Status on AC Stray - Current Interference of Buried Steel Pipeline [PDF]
With the rapid development of the energy, power distribution transmission and electrified rail transit systems of our country, the stray - current interference problem caused by the crossing and paralleling of buried steel pipelines and by the close ...
LI Xiao - long, WANG Zheng - xiao, LUO Yan - long, LI Chang - chun, HE Ren - yang
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Analysis on Corrosion Rate of Wuhan Buried Gas Pipelines Under Rail Transit Stray Current Interference [PDF]
With the rapid development of rail transit in Wuhan, the stray current of rail transit leaking to the earth is increasing.However, there is no systematic study on the corrosion rate under the interference of Wuhan rail transits, especially the dynamic ...
LI Bo-cong, JIANG Zi-tao, YANG Jun-hua, WANG Hong-xing, LI Pei, CHEN Cheng
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Stray current directly affects the regular operation of electrical equipment and facilities in the subway DC traction power supply system. Therefore, it is worthwhile to study the stray current distribution characteristics during train operation and the ...
Shan Lin +5 more
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Research Status of Detection and Protection of Subway DC Stray Current of Buried Steel Pipelines [PDF]
The subway has become the main way of urban transportation, which is convenient for people to travel, but also causes the DC stray current interference of buried pipeline, which becomes the hidden danger of pipeline operation.
GUO Yong, DING Ji-feng, WANG Gang, LI Xiang-yang
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Study on the Corrosion Behavior of X65 Steel Under Cathodic Protection Influenced by Simulated Stray Current Interference [PDF]
The operation of the subway train system can leak stray currents, causing fluctuations in the potential of nearby buried metal,weakening or even failing the cathodic protection effect, and ultimately leading to the failure of buried metal due to ...
CAI Guoxun, LI Jiansan
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Leakage of stray current can cause serious problems by accelerating the corrosion process of a buried pipeline in the subway. A multi-physical finite element model of the DC-subway traction system was established in this study, and the dynamic process of
Zhichao Cai, Xianwei Zhang, Hao Cheng
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Corrosion and stray currents at urban track infrastructure [PDF]
Rails are a part of track structure where corrosion process inevitably occurs, except if they are fully insulated and devoid of contact with any other part of the structure (sleepers, fastening accessories) or electrolyte like moist soil or water in track structure. Corrosion occurs much faster in the presence of stray currents, which very soon results
Katarina Vranešić +2 more
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Effect of Stray Current on Corrosion and Calcium Ion Corrosion of Concrete Reinforcement
The construction of subways, hydroelectric stations and water substations is exposed to stray currents, which can accelerate concrete corrosion. The influence of stray currents on reinforced concrete structures is unclear. In this paper, the influence of concrete strength grade, reinforcement diameter and stray current intensity on the extent of ...
Yang, Weijun +3 more
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The corrosion behavior of X80 pipeline steel in 3.5 wt.% NaCl solution and simulated Dagang soil solution under different alternating current (AC) electrical densities was studied using the weight loss method, and was tested and analyzed using the ...
Xinhua Wang +3 more
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