2019
DOI: 10.1002/prs.12051
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Quantitative risk assessment of a natural gas pipeline in an underground utility tunnel

Abstract: With rapid urbanization in China, many underground utility tunnels have been established these years. This huge underground construction facilitates city life, but may introduce societal risks due to the installation of high-risk pipelines. Natural gas pipelines have the potential to cause catastrophic accident if a gas leakage and a subsequent explosion occurs. The potential hazards in the gas compartments of a utility tunnel are quite different from those in conventional directly buried gas pipelines. This s… Show more

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Cited by 53 publications
(35 citation statements)
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“…Node A's ancestor node includes the parent node and the parent node's ancestor node. Node A's descendant node includes node A's child node and the child node's descendant node [28,29]. The basic rule of BN evidence theory is given as formula 1:…”
Section: Bayesian Network (Bn)mentioning
confidence: 99%
“…Node A's ancestor node includes the parent node and the parent node's ancestor node. Node A's descendant node includes node A's child node and the child node's descendant node [28,29]. The basic rule of BN evidence theory is given as formula 1:…”
Section: Bayesian Network (Bn)mentioning
confidence: 99%
“…Another body of research presents models of risk assessment for pipelines. That research allows operators to fine-tune their risk estimates based on situation-specific characteristics such as the density and pressure of gas within the pipeline [12][13][14]. The present research incorporates broader community characteristics such as mean income and population density, along with the age of the pipeline, as determinants of the cost of an accident.…”
Section: Literature Reviewmentioning
confidence: 99%
“…On the other hand, NHPP represents events with nonconstant failure rate specifically for repairable systems. 37 Most commonly, power law and log-linear models are employed for NHPP. Reliability approaches have also largely been used for other applications in the past such as oil and gas pipeline risk assessment and evaluation, 36,37 wind turbines for reliability analysis, 26 and other systems.…”
Section: Ahmadi and Kumarmentioning
confidence: 99%
“…PRP assumes that system is brought back to its perfect health conditions upon repair. Also, TBF of the system is assumed to be independent and identically distributed random variables . HPP implies that the system is independent of aging factor and assumes that the system is restored in the same condition as it was before failure.…”
Section: Introductionmentioning
confidence: 99%
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