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Study on acoustic source characteristics of distributed optical fiber acoustic wave monitoring buried natural gas pipeline leakage [PDF]
In order to study the leakage of buried natural gas pipeline caused serious environmental pollution and human casualties, the acoustic propagation characteristics of buried natural gas pipeline leakage monitored by distributed optical fiber were studied.
Wang Chun +3 more
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Research on the positioning of buried polyethylene pipelines considering the acoustic attenuation characteristics [PDF]
Polyethylene pipelines have been widely used in the construction of urban pipelines. Due to the non-magnetic and non-conductive properties of polyethylene pipelines, traditional metal pipe positioning techniques are unable to effectively detect ...
Ao Zhang +3 more
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Numerical simulation of buckling behavior of the buried steel pipeline under reverse fault displacement [PDF]
Reverse fault movement is one of the threats for the structural integrity of buried oil-gas pipelines caused by earthquakes. Buckling behavior of the buried pipeline was investigated by finite element method.
J. Zhang, Z. Liang, C. J. Han, H. Zhang
doaj +1 more source
Aimed at the corrosion caused by the ground current of the high-voltage direct current (HVDC) transmission system to adjacent buried pipelines, horizontal delamination is carried out according to different soil conductivities, and a field-circuit ...
Shan Lin +3 more
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Numerical Modeling of Mechanical Behavior for Buried Steel Pipelines Crossing Subsidence Strata. [PDF]
This paper addresses the mechanical behavior of buried steel pipeline crossing subsidence strata. The investigation is based on numerical simulation of the nonlinear response of the pipeline-soil system through finite element method, considering large ...
J Zhang, Z Liang, C J Han
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The debris from structures produced during the blasting demolition of engineered buildings (structures) may fall near buried pipelines, which threaten the integrity of the buried gas pipeline.
Zhaotun An, Qiao Tang, Hu Li, Peng Zhang
doaj +1 more source
Integrity Assessment of Wall Distorted of Buried Gas Pipeline
In the oil and gas industry, the pipeline is the main mode to transport the product and can be applied for long-distance transportation; hence some pipe segments may be buried underground. Buckling as the main cause of pipeline deformation and failure is
Wira Herucakra +2 more
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Buried petroleum pipelines may encounter threats from blast loading due to terrorist attacks, accidental explosions, and artificial blasting during in-progress construction.
Ying Cui +4 more
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In permafrost regions, long distance buried pipelines are widely used to transport oil and natural gas resources. However, pipeline problems occur frequently due to the complicated surrounding environment and transportation requirement of positive ...
Deren Liu +5 more
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Numerical Simulation Study on the Performance of Buried Pipelines under the Action of Faults
The present paper investigates the mechanical behavior of buried steel pipelines crossing an active fault. Permanent ground deformation induced by an earthquake will cause serious damage to buried steel pipelines, resulting in buckling failure or even ...
Rulin Zhang +4 more
doaj +1 more source

