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Assessment of dropped object risk on corroded subsea pipeline

机译：腐蚀的海底管线上掉落物体的风险评估

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摘要

The rapid increase in offshore to onshore hydrocarbon transportation has prompted the expansion of subsea pipeline networks to meet energy demands. In offshore platform, unexpected accidents such as fractional dents or fractures may occur in proximity of subsea pipelines due to transverse loading or external forces during operation and installation. Partial damage may cause leaks and oil spills, and in serious cases, the sequence may lead to fire and severe explosions. Meticulous safety measures should consider safety issues and mitigate different extent of risk to the life, environment and assets. To avoid these undesirable events, this study presents a probabilistic and numerical modelling analysis of accidental scenarios to verify the safety of subsea pipelines under different conditions. An impact analysis of transverse loading on a subsea pipeline is performed using scenario sampling and finite element analysis to assess safety measures and mitigate damage by evaluating the effects of impacts in different possible accidental scenarios. (C) 2015 Elsevier Ltd. All rights reserved.
机译：近海至陆上碳氢化合物运输的迅速增长促使海底管道网络的扩展以满足能源需求。在海上平台上，由于在操作和安装过程中的横向载荷或外力，海底管道附近可能会发生意外事故，例如小凹痕或断裂。部分损坏可能会导致泄漏和漏油，在严重的情况下，顺序可能会导致火灾和严重爆炸。精心的安全措施应考虑安全问题，并减轻对生命，环境和资产的不同程度的风险。为了避免这些不良事件，本研究对意外情况进行了概率和数值模型分析，以验证不同条件下的海底管线的安全性。使用情景采样和有限元分析对海底管道上的横向载荷进行影响分析，以评估安全措施并通过评估不同可能发生的意外情况下的影响来减轻损害。 （C）2015 Elsevier Ltd.保留所有权利。

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  • 来源
    《Ocean Engineering》 |2015年第15期|329-340|共12页
  • 作者

    Kawsar Md. Rokan Uddin; Youssef Samy Adly; Faisal Muhammad; Kumar Ankush; Seo Jung Kwan; Paik Jeom Kee;

  • 作者单位

    Pusan Natl Univ, Korea Ship & Offshore Res Inst, Lloyds Register Fdn Res Ctr Excellence, Busan, South Korea;

    Pusan Natl Univ, Korea Ship & Offshore Res Inst, Lloyds Register Fdn Res Ctr Excellence, Busan, South Korea|Arab Acad Sci Technol & Maritime Transport, Marine Engn Technol Dept, Alexandria, Egypt;

    Pusan Natl Univ, Korea Ship & Offshore Res Inst, Lloyds Register Fdn Res Ctr Excellence, Busan, South Korea;

    Pusan Natl Univ, Korea Ship & Offshore Res Inst, Lloyds Register Fdn Res Ctr Excellence, Busan, South Korea;

    Pusan Natl Univ, Korea Ship & Offshore Res Inst, Lloyds Register Fdn Res Ctr Excellence, Busan, South Korea;

    Pusan Natl Univ, Korea Ship & Offshore Res Inst, Lloyds Register Fdn Res Ctr Excellence, Busan, South Korea|UCL, Dept Mech Engn, London, England;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Dropped object; Probabilistic sampling method; Quantitative risk assessment; Subsea pipeline; Corrosion damage; Nonlinear finite element method;

    机译：掉落物体;概率抽样法;定量风险评估;海底管道;腐蚀破坏;非线性有限元法;

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