EG19018A - Method for continuously monitoring the soundness of the protective covering on underground metal structure, and devices for its implementation. - Google Patents

Method for continuously monitoring the soundness of the protective covering on underground metal structure, and devices for its implementation.

Info

Publication number
EG19018A
EG19018A EG44690A EG44690A EG19018A EG 19018 A EG19018 A EG 19018A EG 44690 A EG44690 A EG 44690A EG 44690 A EG44690 A EG 44690A EG 19018 A EG19018 A EG 19018A
Authority
EG
Egypt
Prior art keywords
soundness
implementation
devices
metal structure
protective covering
Prior art date
Application number
EG44690A
Other languages
English (en)
Original Assignee
Enitricerche S P A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Enitricerche S P A filed Critical Enitricerche S P A
Application granted granted Critical
Publication of EG19018A publication Critical patent/EG19018A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/04—Controlling or regulating desired parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
    • G01R27/18—Measuring resistance to earth, i.e. line to ground

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
EG44690A 1989-08-01 1990-07-30 Method for continuously monitoring the soundness of the protective covering on underground metal structure, and devices for its implementation. EG19018A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8921407A IT1230366B (it) 1989-08-01 1989-08-01 Procedimento per il controllo in continuo dell'integrita' del rivestimento protettivo di strutture metalliche interrate e dispositivi per la sua realizzazione.

Publications (1)

Publication Number Publication Date
EG19018A true EG19018A (en) 1994-04-30

Family

ID=11181309

Family Applications (1)

Application Number Title Priority Date Filing Date
EG44690A EG19018A (en) 1989-08-01 1990-07-30 Method for continuously monitoring the soundness of the protective covering on underground metal structure, and devices for its implementation.

Country Status (8)

Country Link
EP (1) EP0411689B1 (xx)
JP (1) JPH0387669A (xx)
AR (1) AR246804A1 (xx)
AT (1) ATE114056T1 (xx)
CA (1) CA2021859A1 (xx)
DE (1) DE69014002T2 (xx)
EG (1) EG19018A (xx)
IT (1) IT1230366B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1244473B (it) * 1990-12-14 1994-07-15 Eniricerche Spa Dispositivo e procedimento per il monitoraggio in tempo reale dei danneggiamenti accidentali del rivestimento protettivo di condotte o strutture metalliche interrate o immerse
FR2671192A1 (fr) * 1990-12-27 1992-07-03 Gaz De France Procede et appareil pour la verification de l'etat d'isolement electrique d'un ouvrage electriquement conducteur.
FR2703458B1 (fr) * 1993-03-31 1995-05-24 Gaz De France Procédé et dispositif de mesure du potentiel électrochimique réel d'un élément de construction dans un électrolyte tel une conduite enfouie dans le sol, protégée cathodiquement contre la corrosion.
FR2707113B1 (fr) * 1993-06-30 1995-08-18 Electricite De France Procédé de vérification de l'état d'un câble enterré du type comprenant un écran métallique et une gaine de protection mécanique et dispositif de mise en Óoeuvre de ce procédé.
DE10105139A1 (de) 2001-02-06 2002-08-22 Wella Ag Elektrisch leitfähige Polymere in kosmetischen Mitteln
ES2365515T3 (es) * 2004-03-16 2011-10-06 Otis Elevator Company Estrategias de aplicación de señales eléctricas para monitorizar la condición de un elemento de soporte de carga de un elevador.
WO2005095252A1 (en) * 2004-03-16 2005-10-13 Otis Elevator Company Elevator load bearing member wear and failure detection
JP4632434B2 (ja) * 2005-05-09 2011-02-16 高圧ガス保安協会 配管診断装置
DE102005036508B4 (de) 2005-07-29 2007-07-12 Eupec Pipecoatings Gmbh Verfahren und Vorrichtung zur Überwachung und Detektierung von Beschichtungsdefekten einer erd- oder wasserverlegten Rohrleitung
DE102007025917B4 (de) * 2007-06-02 2009-11-12 Herrenknecht Ag Verfahren und Vorrichtung zur Überprüfung der Umhüllung einer Rohrleitung während des Einzugs in ein mit Flüssigkeit gefülltes Bohrloch
JP5016471B2 (ja) * 2007-12-19 2012-09-05 株式会社神鋼環境ソリューション 溶融炉
DE102012017415A1 (de) 2012-08-28 2014-03-06 Salzgitter Mannesmann Line Pipe Gmbh Verfahren und Vorrichtung zur Überwachung der Wirksamkeit des kathodischen Korrosionsschutzes von im Erdreich verlegten Anlagen aus Metall
CN109488889B (zh) * 2018-11-09 2023-05-12 上海金艺检测技术有限公司 在役金属管道绝缘内衬层状况的在线检测方法
CN110596204A (zh) * 2019-09-18 2019-12-20 岭澳核电有限公司 一种核电站管道内衬胶层破损情况检测方法和系统
RU2746108C1 (ru) * 2020-05-15 2021-04-07 Общество с ограниченной ответственностью "Завод нефтегазовой аппаратуры Анодъ" Способ защиты от коррозии подземного трубопровода
RU2743885C1 (ru) * 2020-08-05 2021-03-01 Общество с ограниченной ответственностью «Техохрана» Способ и устройство обнаружения участков перезащиты металла трубопровода

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2361547A1 (de) * 1973-12-11 1975-06-19 Karl Heinz Ortmann Kathodischer korrosionsschutz mit einem vom abschaltpotential gesteuertem fremdstromschutzgeraet
DE2545325C3 (de) * 1975-10-09 1979-03-22 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zur Messung des Isolationswiderstandes erdfreier Starkstromschaltungen
US4280124A (en) * 1978-10-12 1981-07-21 Wuertele James W Corrosion detector
US4255242A (en) * 1979-08-09 1981-03-10 Freeman Industries, Inc. Reference electrode IR drop corrector for cathodic and anodic protection systems
CA1229320A (en) * 1982-12-21 1987-11-17 Koichi Yoshida Method for cathodic protection of aluminum material
US4658365A (en) * 1984-02-02 1987-04-14 Electric Power Research Institute, Inc. Device for in-situ monitoring of corrosion rate of cathodically polarized metals
US4823072A (en) * 1986-09-04 1989-04-18 Walcott Kenneth J Measurement of the polarized potential of buried pipeline having impressed current cathodic protection

Also Published As

Publication number Publication date
IT1230366B (it) 1991-10-18
EP0411689B1 (en) 1994-11-09
DE69014002T2 (de) 1995-05-11
CA2021859A1 (en) 1991-02-02
DE69014002D1 (de) 1994-12-15
IT8921407A0 (it) 1989-08-01
EP0411689A1 (en) 1991-02-06
JPH0387669A (ja) 1991-04-12
ATE114056T1 (de) 1994-11-15
AR246804A1 (es) 1994-09-30

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