局部減肉形状による炭素鋼配管の破裂圧力評価への影響 Geometrical Effects for Burst Pressure Assessment on Carbon Steel Pipe with Different Local Metal Loss Types Based on the API/ASME FFS Code

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著者

    • 周 潤澤 ZHOU Runze
    • 千代田アドバンスト・ソリューションズ(株)材料・診断 ユニット Chiyoda Advanced Solutions Corporation
    • 小島 郁夫 KOJIMA Ikuo
    • 千代田アドバンスト・ソリューションズ(株)材料・診断 ユニット Chiyoda Advanced Solutions Corporation

抄録

Fitness-for-service (FFS) assessments are quantitative engineering evaluations that perform to demonstrate the structural integrity of an in-service component that may contain a flaw or damage. It can be used to make run-repair-replace decisions to help determine if pressurized equipment containing flaw that have been identified by inspection can continue to operate safely for some period of time. <br>This paper provides a burst pressure assessment on carbon steel pipe with different local metal loss types based on the Level 3 assessment of API⁄ASME FFS code. The Level 3 assessment is a computational method (e. g. FEM: Finite Element Method) described in ANNEX B in API-579-1⁄ASME FFS-1. As stated therein, evaluations of plastic collapse (B 1. 2) and local failure (B 1. 3) are required to be performed for the assessment of metal loss. <br>The author calculated the Maximum Allowable Working Pressure (MAWP) inside a cylindrical shell with local metal loss by the criteria of both plastic collapse and local failure. And the results of safety margin are also discussed in this paper.

収録刊行物

  • 圧力技術 = Pressure engineering : journal of Japan High Pressure Institute

    圧力技術 = Pressure engineering : journal of Japan High Pressure Institute 50(4), 177-183, 2012-07-25

    HIGH PRESSURE INSTITUTE OF JAPN(HPI)

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各種コード

  • NII論文ID(NAID)
    10030955826
  • NII書誌ID(NCID)
    AN00011762
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03870154
  • NDL 記事登録ID
    023914774
  • NDL 請求記号
    Z17-750
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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