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GB2461360A8 - Discrete sacrificial anode assembly - Google Patents

Discrete sacrificial anode assembly

Info

Publication number
GB2461360A8
GB2461360A8 GB0904034.6A GB0904034A GB2461360A8 GB 2461360 A8 GB2461360 A8 GB 2461360A8 GB 0904034 A GB0904034 A GB 0904034A GB 2461360 A8 GB2461360 A8 GB 2461360A8
Authority
GB
United Kingdom
Prior art keywords
backfill
sacrificial anode
tape
adhesive
concrete
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB0904034.6A
Other versions
GB2461360B8 (en
GB0904034D0 (en
GB2461360A (en
GB2461360B (en
Inventor
Davison Nigel
Kevin Glass Gareth
Charles Roberts Adrian
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
E Chem Technologies Ltd
Original Assignee
E Chem Technologies Ltd
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 E Chem Technologies Ltd filed Critical E Chem Technologies Ltd
Publication of GB0904034D0 publication Critical patent/GB0904034D0/en
Publication of GB2461360A publication Critical patent/GB2461360A/en
Application granted granted Critical
Publication of GB2461360B publication Critical patent/GB2461360B/en
Publication of GB2461360B8 publication Critical patent/GB2461360B8/en
Publication of GB2461360A8 publication Critical patent/GB2461360A8/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • 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
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/10—Electrodes characterised by the structure
    • 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
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/16—Electrodes characterised by the combination of the structure and the material
    • 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
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/18—Means for supporting electrodes
    • 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
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
    • C23F13/20—Conducting electric current to electrodes
    • 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
    • C23F2201/00—Type of materials to be protected by cathodic protection
    • C23F2201/02—Concrete, e.g. reinforced
    • 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
    • C23F2213/00—Aspects of inhibiting corrosion of metals by anodic or cathodic protection
    • C23F2213/20—Constructional parts or assemblies of the anodic or cathodic protection apparatus
    • C23F2213/21—Constructional parts or assemblies of the anodic or cathodic protection apparatus combining at least two types of anodic or cathodic protection

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Prevention Of Electric Corrosion (AREA)
  • Building Environments (AREA)

Abstract

The use of a discrete sacrificial anode 4, backfill 3, tape 5 and an adhesive, to protect steel 8 in concrete 2 is described. The backfill 3 is preferably placed in a shallow cavity in the concrete surface 2 and the sacrificial anode 4 is inserted into the backfill 3. The cavity is covered with a tape 5 that extends over the adjacent concrete surfaces on opposite sides of the sacrificial anode 4 and backfill 3 and the tape 5 is attached to the concrete surface 2 with the adhesive. The tape 5 and the adhesive holds the anode 4 in place and prevents a weathering environment from damaging the backfill 3. A temporary impressed current may also be passed through the steel 8 via a titanium wire 9. A water repellent primer may also be used in conjunction with the adhesive.
GB0904034.6A 2008-03-10 2009-03-09 Discrete sacrificial anode assembly Active GB2461360B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0804389A GB2458268A (en) 2008-03-10 2008-03-10 Discrete sacrifical anode assembly

Publications (5)

Publication Number Publication Date
GB0904034D0 GB0904034D0 (en) 2009-04-22
GB2461360A GB2461360A (en) 2010-01-06
GB2461360B GB2461360B (en) 2011-07-20
GB2461360B8 GB2461360B8 (en) 2019-05-08
GB2461360A8 true GB2461360A8 (en) 2019-05-08

Family

ID=39327820

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0804389A Withdrawn GB2458268A (en) 2008-03-10 2008-03-10 Discrete sacrifical anode assembly
GB0904034.6A Active GB2461360B8 (en) 2008-03-10 2009-03-09 Discrete sacrificial anode assembly

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0804389A Withdrawn GB2458268A (en) 2008-03-10 2008-03-10 Discrete sacrifical anode assembly

Country Status (3)

Country Link
EP (1) EP2262926A1 (en)
GB (2) GB2458268A (en)
WO (1) WO2009112857A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6951053B2 (en) * 2015-06-30 2021-10-20 西日本高速道路株式会社 Monitoring method of sacrificial anode method in concrete structure
JP6636761B2 (en) * 2015-09-29 2020-01-29 デンカ株式会社 Cross-section restoration method for concrete structures
GB201914014D0 (en) * 2019-09-27 2019-11-13 E Chem Tech Ltd Protected Reinforced Concrete Structure
JP7333241B2 (en) * 2019-09-30 2023-08-24 株式会社中部プラントサービス Anti-corrosion structure for steel structures and its construction method
JP7333240B2 (en) * 2019-09-30 2023-08-24 株式会社中部プラントサービス Anti-corrosion structure for steel structures and its construction method
CN115504748B (en) * 2022-10-28 2023-06-20 广州市克来斯特建材科技有限公司 Sacrificial anode protective layer mortar and preparation method and application thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255241A (en) * 1979-05-10 1981-03-10 Kroon David H Cathodic protection apparatus and method for steel reinforced concrete structures
US4692066A (en) * 1986-03-18 1987-09-08 Clear Kenneth C Cathodic protection of reinforced concrete in contact with conductive liquid
US5055166A (en) * 1986-12-29 1991-10-08 Matcor, Inc. Surface mounted cathodic protection anode and method of use
US4957612A (en) * 1987-02-09 1990-09-18 Raychem Corporation Electrodes for use in electrochemical processes
US5292411A (en) * 1990-09-07 1994-03-08 Eltech Systems Corporation Method and apparatus for cathodically protecting reinforced concrete structures
US5968339A (en) * 1997-08-28 1999-10-19 Clear; Kenneth C. Cathodic protection system for reinforced concrete
AU2006298558B2 (en) * 2005-10-04 2011-10-13 E-Chem Technologies Ltd Sacrificial anode and backfill

Also Published As

Publication number Publication date
GB2461360B8 (en) 2019-05-08
GB2458268A (en) 2009-09-16
GB0804389D0 (en) 2008-04-16
EP2262926A1 (en) 2010-12-22
GB0904034D0 (en) 2009-04-22
GB2461360A (en) 2010-01-06
GB2461360B (en) 2011-07-20
WO2009112857A1 (en) 2009-09-17

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Legal Events

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S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: REQUEST FILED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 21 MARCH 2019

S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: CORRECTIONS ALLOWED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 21 MARCH 2019 ALLOWED ON 2 MAY 2019