JP2009523985A - パイプライン用の軟質な亀裂アレスタ - Google Patents
パイプライン用の軟質な亀裂アレスタ Download PDFInfo
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- JP2009523985A JP2009523985A JP2008551476A JP2008551476A JP2009523985A JP 2009523985 A JP2009523985 A JP 2009523985A JP 2008551476 A JP2008551476 A JP 2008551476A JP 2008551476 A JP2008551476 A JP 2008551476A JP 2009523985 A JP2009523985 A JP 2009523985A
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- arrester
- crack
- pipeline
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipeline Systems (AREA)
- Thermistors And Varistors (AREA)
Abstract
【解決手段】高エネルギ流体を輸送するパイプラインの管軸方向の延性破壊伝播をアレストするためのアレスタは、破壊伝播を受けたとき、前記アレスタが十分に変形するような材料で作られている。前記破壊伝播は、少なくとも前記アレスタの内側へ入り込むが、前記アレスタは、前記パイプラインのリングオフを生じることなく亀裂の伝播を停止させる十分な強度を有している。
【選択図】図1
Description
Claims (10)
- 高エネルギ流体を輸送するパイプラインの管軸方向の延性破壊伝播をアレストするためのアレスタであって、
破壊伝播を受けたとき、十分に変形するような材料で作られたアレスタを含み、
前記破壊伝播は少なくとも前記アレスタの内側へ入り込むが、前記パイプラインのリングオフを生じることなく前記伝播を停止するようにすることを特徴とするアレスタ。 - 前記アレスタの厚さと前記アレスタのフープ強度との積が、前記パイプの厚さと前記パイプの終局強度との積の2倍を超えないことを特徴とする請求項1に記載のアレスタ。
- 前記アレスタの最低限の延性は、前記亀裂の長さが前記アレスタの必要最小長さの2倍に達したとき、材料の亀裂先端開口角(CTOA)に適合することができるように定められることを特徴とする請求項1に記載のアレスタ。
- 前記アレスタの最低限の延性は、前記亀裂の長さが前記アレスタの必要最小長さの2倍に達したとき、材料の亀裂先端開口角(CTOA)に適合することができるように定められることを特徴とする請求項2に記載のアレスタ。
- 前記アレスタが、1つ或いは複数の鋼又は繊維強化複合材料から形成されることを特徴とする請求項1に記載のアレスタ。
- 高エネルギ流体を輸送するパイプラインの管軸方向の延性破壊伝播をアレストするための方法であって、
前記パイプラインの外周の周囲にアレスタを配置するステップを含み、
前記アレスタは、破壊伝播を受けたとき、十分に変形するような材料で作られており、
前記破壊伝播は少なくともアレスタの内側へ入り込むが、前記パイプラインのリングオフを生じることなく前記伝播を停止するようにすることを特徴とする方法。 - 前記アレスタの厚さと前記アレスタのフープ強度との積が、前記パイプの厚さと前記パイプの終局強度との積の2倍を超えないことを特徴とする請求項6に記載の方法。
- 前記アレスタの最低限の延性は、前記亀裂の長さが前記アレスタの必要最小長さの2倍に達したとき、材料の亀裂先端開口角(CTOA)に適合することができるように定められることを特徴とする請求項6に記載の方法。
- 前記アレスタの最低限の延性は、前記亀裂の長さが前記アレスタの必要最小長さの2倍に達したとき、材料の亀裂先端開口角(CTOA)に適合することができるように定められることを特徴とする請求項7に記載の方法。
- 前記アレスタが、1つ或いは複数の鋼又は繊維強化複合材料から形成されることを特徴とする請求項6に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76120206P | 2006-01-23 | 2006-01-23 | |
US60/761,202 | 2006-01-23 | ||
US11/656,093 | 2007-01-22 | ||
US11/656,093 US20070169829A1 (en) | 2006-01-23 | 2007-01-22 | Soft crack arrestors for pipelines |
PCT/US2007/001740 WO2007087287A2 (en) | 2006-01-23 | 2007-01-23 | Soft crack arrestors for pipelines |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009523985A true JP2009523985A (ja) | 2009-06-25 |
JP5054706B2 JP5054706B2 (ja) | 2012-10-24 |
Family
ID=38284361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008551476A Expired - Fee Related JP5054706B2 (ja) | 2006-01-23 | 2007-01-23 | パイプライン用の軟質な亀裂アレスタ |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070169829A1 (ja) |
EP (1) | EP1977151A4 (ja) |
JP (1) | JP5054706B2 (ja) |
CA (1) | CA2640699C (ja) |
WO (1) | WO2007087287A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105402606A (zh) * | 2015-12-01 | 2016-03-16 | 中国石油天然气集团公司 | 一种钢套筒柔性止裂器 |
KR102032086B1 (ko) * | 2019-01-25 | 2019-11-08 | 수풍산업 주식회사 | 기둥지주 삽입 고정형 교각을 갖는 보행교 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4870056B2 (ja) * | 2007-09-27 | 2012-02-08 | 社団法人日本航空宇宙工業会 | サンドイッチパネルの剥離進展防止構造 |
CN104122150A (zh) * | 2014-06-30 | 2014-10-29 | 武汉钢铁(集团)公司 | 一种高韧性管线钢快速裂纹尖端张开角间接测量方法 |
CN104567739B (zh) * | 2014-12-31 | 2016-03-30 | 中国石油大学(华东) | 一种测量裂纹尖端张开角的方法 |
US9851043B2 (en) | 2015-06-11 | 2017-12-26 | Stress Engineering Services, Inc. | Crack arrestor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6016079U (ja) * | 1983-07-12 | 1985-02-02 | 三菱重工業株式会社 | 管 |
JPH08226593A (ja) * | 1982-10-01 | 1996-09-03 | Norman C Fawley | 延性破壊の伝播防止装置 |
Family Cites Families (16)
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GB1082712A (en) * | 1964-07-20 | 1967-09-13 | Imp Metal Ind Kynoch Ltd | Improvements relating to the reinforcement of tubular structures |
US3349807A (en) * | 1965-05-28 | 1967-10-31 | Dexter D Penman | Process of limiting ripping of high pressure compressible fluid conduit and means therefor |
US3698746A (en) * | 1971-01-18 | 1972-10-17 | Atlantic Richfield Co | Crack arrester |
US4001054A (en) * | 1974-04-10 | 1977-01-04 | Makepeace Charles E | Process for making metal pipe |
US3870350A (en) * | 1974-04-15 | 1975-03-11 | Atlantic Richfield Co | Crack arrester system |
US4176691A (en) * | 1975-01-22 | 1979-12-04 | British Gas Corporation | Apparatus for arresting propagating fractures in pipelines |
US4148127A (en) * | 1975-10-20 | 1979-04-10 | Northern Border Pipeline Company | Method of applying a bond-type crack arrestor to a pipe section of a pipeline |
US4195669A (en) * | 1976-01-12 | 1980-04-01 | United States Steel Corporation | Method of arresting crack propagation in line pipe characterized by ductile fracture |
US4180104A (en) * | 1977-09-26 | 1979-12-25 | Northern Border Pipeline Company | Out of contact highly geometrical crack arrestor |
US4284107A (en) * | 1980-04-25 | 1981-08-18 | Internorth | Fracture arrestor for a pipeline |
US4383556A (en) * | 1981-02-10 | 1983-05-17 | Evgenievich Paton B | Crack arresting device for limiting propagation of cracks in welded structures fabricated from sheets |
US4559974A (en) * | 1982-10-01 | 1985-12-24 | Fawley Norman | Apparatus and method of arresting ductile fracture propagation |
US4700752A (en) * | 1982-10-01 | 1987-10-20 | Fawley Norman | Clock spring crack arrestor |
ATE189736T1 (de) * | 1992-09-09 | 2000-02-15 | Clock Spring Company L P | Verfahren zur reparatur von rohren |
WO1994005499A1 (en) * | 1992-09-09 | 1994-03-17 | Clock Spring Company L.P. | High tensile strength composite reinforcing bands and methods for making same |
US6302357B1 (en) * | 2000-08-28 | 2001-10-16 | Lockheed Martin Corporation | Pressure stabilized inflated air transport vehicle |
-
2007
- 2007-01-22 US US11/656,093 patent/US20070169829A1/en not_active Abandoned
- 2007-01-23 CA CA2640699A patent/CA2640699C/en not_active Expired - Fee Related
- 2007-01-23 JP JP2008551476A patent/JP5054706B2/ja not_active Expired - Fee Related
- 2007-01-23 EP EP07762553.1A patent/EP1977151A4/en not_active Withdrawn
- 2007-01-23 WO PCT/US2007/001740 patent/WO2007087287A2/en active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08226593A (ja) * | 1982-10-01 | 1996-09-03 | Norman C Fawley | 延性破壊の伝播防止装置 |
JPS6016079U (ja) * | 1983-07-12 | 1985-02-02 | 三菱重工業株式会社 | 管 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105402606A (zh) * | 2015-12-01 | 2016-03-16 | 中国石油天然气集团公司 | 一种钢套筒柔性止裂器 |
CN105402606B (zh) * | 2015-12-01 | 2017-10-17 | 中国石油天然气集团公司 | 一种钢套筒柔性止裂器 |
KR102032086B1 (ko) * | 2019-01-25 | 2019-11-08 | 수풍산업 주식회사 | 기둥지주 삽입 고정형 교각을 갖는 보행교 |
Also Published As
Publication number | Publication date |
---|---|
CA2640699A1 (en) | 2007-08-02 |
EP1977151A4 (en) | 2017-10-25 |
WO2007087287A3 (en) | 2008-03-13 |
US20070169829A1 (en) | 2007-07-26 |
JP5054706B2 (ja) | 2012-10-24 |
EP1977151A2 (en) | 2008-10-08 |
CA2640699C (en) | 2014-05-06 |
WO2007087287A2 (en) | 2007-08-02 |
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