NO932906L - Innretning for kapping av et pressanker - Google Patents
Innretning for kapping av et pressankerInfo
- Publication number
- NO932906L NO932906L NO932906A NO932906A NO932906L NO 932906 L NO932906 L NO 932906L NO 932906 A NO932906 A NO 932906A NO 932906 A NO932906 A NO 932906A NO 932906 L NO932906 L NO 932906L
- Authority
- NO
- Norway
- Prior art keywords
- coil
- cutting
- tension member
- heat
- tension
- Prior art date
Links
- 238000004804 winding Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 239000003302 ferromagnetic material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000003779 heat-resistant material Substances 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 239000002907 paramagnetic material Substances 0.000 abstract 1
- 230000035515 penetration Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
- E02D5/765—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor removable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0405—With preparatory or simultaneous ancillary treatment of work
- Y10T83/041—By heating or cooling
- Y10T83/0414—At localized area [e.g., line of separation]
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- General Induction Heating (AREA)
- Wire Processing (AREA)
- Earth Drilling (AREA)
- Forging (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Innretning (6) for kapping av et pressankers strekkele- ment (1), som består av ferromagnetisk materiale, på et på forhånd gitt sted. Ved reduksjon av strekkfastheten i strekkelementet (1) tilveiebringes et ønsket bruddsted. Sammen med strekkelementet (1) kan ved det på forhånd bestemte kappestedet være anordnet en rørformet omsluttende spole (9), idet spolen kan tilføres elektrisk strøm for å tilveiebringe induk- sjonsvarme for å redusere strekkfastheten til strekk- elementet. Spolen (9) er anordnet på et høytemperatur- V-rjstandig varmesperresjikt (8), som igjen ligger på en rørformet kjerne (7) av elektrisk ledende, varmebestan- dig og paramagnetisk materiale. Kjernen (7) danner en første sekundærvikling, og strekkelementet (1) danner en andre sekundærvikling. For kapping av strekkelemen- tet blir spolen (9) matet med elektrisk energi med en frekvens fra 5 til 30 kHz og en spenning på fra tilnærmet 500 til 800 V. Stålstrekkelementet (1) oppvarmes til Curle-temperaturen som følge av inntreng- ningsdybden til den deri induserte elektriske strøm, og over Curie-temperaturen foregår oppvarmingen ved varmeledning og varmestråling til den rørformede kjernen.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2555/92A CH681835A5 (no) | 1992-08-17 | 1992-08-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO932906D0 NO932906D0 (no) | 1993-08-16 |
NO932906L true NO932906L (no) | 1994-02-18 |
Family
ID=4236432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO932906A NO932906L (no) | 1992-08-17 | 1993-08-16 | Innretning for kapping av et pressanker |
Country Status (8)
Country | Link |
---|---|
US (1) | US5389765A (no) |
EP (1) | EP0583725B1 (no) |
JP (1) | JP3163207B2 (no) |
AT (1) | ATE133734T1 (no) |
CA (1) | CA2104146A1 (no) |
CH (1) | CH681835A5 (no) |
DE (1) | DE59301539D1 (no) |
NO (1) | NO932906L (no) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0716982B1 (en) * | 1994-12-14 | 1999-09-15 | Fokker Space B.V. | System for holding together and separating parts of a construction |
DE19500091C1 (de) * | 1995-01-04 | 1996-04-04 | Dyckerhoff & Widmann Ag | Verfahren zum Erzeugen einer Sollbruchstelle an einem Zugglied für einen Verpreßanker |
NL1007078C2 (nl) * | 1997-09-19 | 1999-03-22 | Ballast Nedam Funderingstechni | Trekorgaan met bezwijkmiddelen. |
NL1015346C2 (nl) * | 2000-05-31 | 2001-12-03 | Visser & Smit Bouw Bv | Werkwijze voor het verwijderen van de vrije ankerlengte van een in de grond aangebracht groutanker, alsmede een groutanker voor het uitvoeren van deze werkwijze. |
JP2007262880A (ja) * | 2006-03-02 | 2007-10-11 | Ats & E Co Ltd | 埋設アンカー中の引張部材の切断装置及び切断方法 |
JP4910142B2 (ja) * | 2006-10-05 | 2012-04-04 | 飛島建設株式会社 | 高周波誘導加熱アンカー除去装置 |
JP5217054B2 (ja) * | 2007-03-02 | 2013-06-19 | 住友電工スチールワイヤー株式会社 | ストランド |
JP4729690B2 (ja) * | 2007-03-22 | 2011-07-20 | 飛島建設株式会社 | 高周波誘導加熱によるアンカー除去装置及びその除去方法 |
JP4806370B2 (ja) * | 2007-04-06 | 2011-11-02 | 飛島建設株式会社 | 立坑構築方法 |
JP4806375B2 (ja) * | 2007-05-11 | 2011-11-02 | 飛島建設株式会社 | 立坑仮壁構築方法 |
CH702926B9 (de) * | 2007-10-09 | 2011-12-30 | Stahlton Ag | Vorrichtung für einen zumindest teilweise ausbaubaren Anker und Verfahren zum zumindest teilweisen Ausbau eines Ankers. |
JP5067693B2 (ja) * | 2007-10-23 | 2012-11-07 | 高周波熱錬株式会社 | 加熱コイル装置及び高周波加熱装置 |
EP2998447B1 (de) | 2010-03-25 | 2017-10-04 | Stahlton AG | Verfahren zum zumindest teilweisen ausbau eines ankers |
WO2015127959A1 (en) | 2014-02-25 | 2015-09-03 | Vsl International Ag | Removable anchor |
EP3321423B1 (de) | 2016-11-10 | 2020-01-08 | BAUER Spezialtiefbau GmbH | Ankeranordnung im boden, bodenanker und verfahren zum verankern |
DE202017102490U1 (de) | 2017-04-27 | 2017-05-17 | FiReP International AG | Ankeranordnung im Boden sowie Bodenanker |
CN110080220B (zh) * | 2019-05-24 | 2023-11-28 | 北京爱地地质勘察基础工程公司 | 一种具有加热固化土体锚杆结构及其使用方法 |
CN111042105B (zh) * | 2019-12-09 | 2021-08-17 | 青海民族大学 | 湿陷性黄土基坑防滑塌融铅融铝板结支护桩 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2178720A (en) * | 1938-02-23 | 1939-11-07 | Du Pont | Induction heated pipe |
US2948797A (en) * | 1959-01-30 | 1960-08-09 | Gen Electric | Annealing furnace |
US4007349A (en) * | 1973-02-14 | 1977-02-08 | John Charles Burley | Inductive method for cutting cloth |
DE2428729C3 (de) * | 1974-06-14 | 1981-12-24 | Philipp Holzmann Ag, 6000 Frankfurt | Verfahren zum Ausbauen des Zuggliedes eines Verpreßankers |
FR2274740A1 (fr) * | 1975-06-27 | 1976-01-09 | Fischer Joachim | Procede pour l'extractio |
CH603919A5 (en) * | 1976-04-02 | 1978-08-31 | Losinger Ag | Releasing free section of tie anchor |
JPH0255942U (no) * | 1988-10-17 | 1990-04-23 | ||
US4916278A (en) * | 1989-09-01 | 1990-04-10 | Thermatool Corporation | Severing metal strip with high frequency electrical current |
-
1992
- 1992-08-17 CH CH2555/92A patent/CH681835A5/de not_active IP Right Cessation
-
1993
- 1993-08-09 JP JP19738993A patent/JP3163207B2/ja not_active Expired - Fee Related
- 1993-08-11 DE DE59301539T patent/DE59301539D1/de not_active Expired - Fee Related
- 1993-08-11 AT AT93112845T patent/ATE133734T1/de not_active IP Right Cessation
- 1993-08-11 EP EP93112845A patent/EP0583725B1/de not_active Expired - Lifetime
- 1993-08-16 CA CA 2104146 patent/CA2104146A1/en not_active Abandoned
- 1993-08-16 NO NO932906A patent/NO932906L/no unknown
- 1993-08-17 US US08/108,080 patent/US5389765A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0583725B1 (de) | 1996-01-31 |
CA2104146A1 (en) | 1994-02-18 |
JP3163207B2 (ja) | 2001-05-08 |
NO932906D0 (no) | 1993-08-16 |
DE59301539D1 (de) | 1996-03-14 |
CH681835A5 (no) | 1993-05-28 |
US5389765A (en) | 1995-02-14 |
ATE133734T1 (de) | 1996-02-15 |
JPH06158656A (ja) | 1994-06-07 |
EP0583725A1 (de) | 1994-02-23 |
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