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Safety of buried steel natural gas pipelines under earthquake-induced ground shaking: A review.

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Title: Safety of buried steel natural gas pipelines under earthquake-induced ground shaking: A review.
Authors: Psyrras, Nikolaos K.1, Sextos, Anastasios G.1 a.sextos@bristol.ac.uk
Source: Soil Dynamics & Earthquake Engineering (0267-7261). Mar2018, Vol. 106, p254-277. 24p.
Subjects: Natural gas pipelines, Earthquake damage, Earthquakes, Socioeconomics, Deformation of surfaces, Economics
Abstract: Evidence from past earthquakes suggests that damage inflicted to buried natural gas (NG) pipelines can cause long service disruptions, leading to unpredictably high socioeconomic losses in unprepared communities. In this review paper, we aim to critically revisit recent progress in the demanding field of seismic analysis, design and resilience assessment of buried steel NG pipelines. For this purpose, the existing literature and code provisions are surveyed and discussed while challenges and gaps are identified from a research, industrial and legislative perspective. It is underscored that, in contrast to common belief, transient ground deformations in non-uniform sites are not necessarily negligible and can induce undesirable deformations in the pipe, overlooked in the present standards of practice. It is further highlighted that the current seismic fragility framework is rich in empirical fragility relations but lacks analytical and experimental foundations that would permit the reliable assessment of the different parameters affecting the expected pipe damage rates. Pipeline network resilience is still in a developing stage, thus only few assessment methodologies are available whereas absent is a holistic approach to support informed decision-making towards the necessary mitigation measures. Nevertheless, there is ground for improvement by adapting existing knowledge from research on other types of lifeline networks, such as transportation networks. All above aspects are discussed and directions for future research are provided. [ABSTRACT FROM AUTHOR]
Copyright of Soil Dynamics & Earthquake Engineering (0267-7261) is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 128127856
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Safety of buried steel natural gas pipelines under earthquake-induced ground shaking: A review.
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  Data: <searchLink fieldCode="DE" term="%22Natural+gas+pipelines%22">Natural gas pipelines</searchLink><br /><searchLink fieldCode="DE" term="%22Earthquake+damage%22">Earthquake damage</searchLink><br /><searchLink fieldCode="DE" term="%22Earthquakes%22">Earthquakes</searchLink><br /><searchLink fieldCode="DE" term="%22Socioeconomics%22">Socioeconomics</searchLink><br /><searchLink fieldCode="DE" term="%22Deformation+of+surfaces%22">Deformation of surfaces</searchLink><br /><searchLink fieldCode="DE" term="%22Economics%22">Economics</searchLink>
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  Data: Evidence from past earthquakes suggests that damage inflicted to buried natural gas (NG) pipelines can cause long service disruptions, leading to unpredictably high socioeconomic losses in unprepared communities. In this review paper, we aim to critically revisit recent progress in the demanding field of seismic analysis, design and resilience assessment of buried steel NG pipelines. For this purpose, the existing literature and code provisions are surveyed and discussed while challenges and gaps are identified from a research, industrial and legislative perspective. It is underscored that, in contrast to common belief, transient ground deformations in non-uniform sites are not necessarily negligible and can induce undesirable deformations in the pipe, overlooked in the present standards of practice. It is further highlighted that the current seismic fragility framework is rich in empirical fragility relations but lacks analytical and experimental foundations that would permit the reliable assessment of the different parameters affecting the expected pipe damage rates. Pipeline network resilience is still in a developing stage, thus only few assessment methodologies are available whereas absent is a holistic approach to support informed decision-making towards the necessary mitigation measures. Nevertheless, there is ground for improvement by adapting existing knowledge from research on other types of lifeline networks, such as transportation networks. All above aspects are discussed and directions for future research are provided. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Soil Dynamics & Earthquake Engineering (0267-7261) is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=128127856
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      – Type: doi
        Value: 10.1016/j.soildyn.2017.12.020
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      – Code: eng
        Text: English
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        PageCount: 24
        StartPage: 254
    Subjects:
      – SubjectFull: Natural gas pipelines
        Type: general
      – SubjectFull: Earthquake damage
        Type: general
      – SubjectFull: Earthquakes
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      – SubjectFull: Socioeconomics
        Type: general
      – SubjectFull: Deformation of surfaces
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      – SubjectFull: Economics
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      – TitleFull: Safety of buried steel natural gas pipelines under earthquake-induced ground shaking: A review.
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              Text: Mar2018
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