JP2014501846A - アノードアッセンブリ及びその方法 - Google Patents
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- 239000012190 activator Substances 0.000 claims abstract description 79
- 125000006850 spacer group Chemical group 0.000 claims abstract description 79
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- 239000000463 material Substances 0.000 claims abstract description 49
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- 239000013543 active substance Substances 0.000 claims abstract description 6
- 238000011900 installation process Methods 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 17
- 239000011150 reinforced concrete Substances 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 230000003197 catalytic effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
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- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
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- 125000000218 acetic acid group Chemical group C(C)(=O)* 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical group [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
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- 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
- C23F13/12—Electrodes characterised by the material
- C23F13/14—Material for sacrificial anodes
-
- 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
- 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
- C23F2213/22—Constructional parts or assemblies of the anodic or cathodic protection apparatus characterized by the ionic conductor, e.g. humectant, hydratant or backfill
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Prevention Of Electric Corrosion (AREA)
- Building Environments (AREA)
Abstract
【選択図】図4
Description
犠牲アノードアッセンブリをそこに取り付ける目的で、コンクリートにアノードキャビティを形成するステップと、
そのキャビティ内の裏込材に犠牲金属素子及び活性剤を配置するステップと、
スペーサを用いて、活性剤をアノードキャビティの側面から間隔を離して配置するステップと、
犠牲金属素子に連結された少なくとも1つの導電体を用いて、犠牲金属素子からコンクリート内の鋼まで電流を流し、コンクリート内の鋼を保護するステップとを含み、
裏込材は柔軟な粘性裏込材で設置プロセスが完了する前に硬化せず、
且つ裏込材は犠牲金属溶解による生成物を収容し、且つ犠牲金属素子が鋼よりも貴でない金属を含む方法を提供する。
アノードアッセンブリは犠牲金属素子、活性剤、及び少なくとも1つのスペーサを含み、
且つ少なくとも1つのスペーサは、犠牲アノードアッセンブリの中心から外側限界まで延伸される、複数の外側へと延伸する部材を有し、且つ
少なくとも1つのスペーサは、活性剤と外側に延伸する部材の2つの隣接する外側限界を繋ぐ線との間に、少なくとも1つの空間を画定し、且つ
犠牲金属素子は鋼よりも貴でない金属を含み、且つ裏込材は柔軟な粘性裏込材で、前記少なくとも1つのスペーサ及び活性剤により画定された空間に充填される。
犠牲アノードアッセンブリを形成するために犠牲金属素子の活性を維持する活性剤と共に、鋼よりも貴でない犠牲金属素子を組み込むステップと、
犠牲アノードアッセンブリの有効期間を延長するために、犠牲アノードアッセンブリを酸素、水蒸気、及び二酸化炭素のうち少なくとも1つが実質的に存在しない容器に封印するステップとを含む。
Claims (15)
- 犠牲金属素子、活性剤、裏込材、及び少なくとも1つのスペーサを使用するコンクリート内の鋼を保護する方法において、
犠牲アノードアッセンブリをそこに設置する目的で、前記コンクリート内にアノードキャビティを形成するステップと、
前記犠牲金属素子及び活性剤を前記アノードキャビティ内の前記裏込材に配置するステップと、
前記スペーサを用いて前記活性剤を前記アノードキャビティの側面から間隔を離して配置するステップと、
前記コンクリート内の前記鋼を保護するために、前記犠牲金属素子に連結された少なくとも1つの導電体を用いて、前記犠牲金属素子から前記コンクリート内の前記鋼へと電流を流すステップとを含み、
前記裏込材が柔軟な粘性裏込材で、設置プロセスが完了する前に硬化せず、
前記裏込材が前記犠牲金属の溶解による生成物を収容し、
前記犠牲金属素子が鋼よりも貴でない金属を含むことを特徴とする方法。 - 請求項1に記載の方法において、前記少なくとも1つのスペーサが前記犠牲金属素子を保持し、且つ前記アノードキャビティ内の前記活性剤が、前記アノードキャビティの内側で面する表面から間隔を離した関係にあることを特徴とする方法。
- 請求項1又は2に記載の方法において、前記少なくとも1つのスペーサが、内側で面する前記アノードキャビティの表面より外側に放射状に延伸する複数の部材を有し、前記アッセンブリが前記アノードキャビティ内に配置されると、これらの部材が内側で面する前記アノードキャビティの表面と係合することを特徴とする方法。
- 請求項1乃至3の何れか1項に記載の方法において、前記少なくとも1つのスペーサが、圧縮下で配置される弾性のあるスペーサであることを特徴とする方法。
- 請求項1乃至4の何れか1項に記載の方法において、前記スペーサが前記犠牲金属素子及び活性剤を前記アノードキャビティの少なくとも1つの面の中心に配置することを特徴とする方法。
- 請求項1乃至5の何れか1項に記載の方法において、前記犠牲金属素子及び前記活性剤が前記アノードキャビティ内に配置される前に、前記活性剤が前記犠牲金属素子に組み合わされることを特徴とする方法。
- 請求項6に記載の方法において、前記犠牲アノードアッセンブリの有効期間を延長するために、前記犠牲金属素子及び前記活性剤が、酸素、水蒸気、及び二酸化炭素のうち少なくとも1つが実質的に存在しない包装内に封印されることを特徴とする方法。
- アノードアッセンブリ及び単独の裏込材を含む、請求項1乃至7の何れか1項に記載の方法において使用される鉄筋コンクリート保護材において、
前記アノードアッセンブリが、犠牲金属素子、活性剤、及び少なくとも1つのスペーサを含み、
前記少なくとも1つのスペーサが、前記犠牲アノードアッセンブリの中心から外側限界まで延伸する、複数の外側に延伸する部材を有し、
前記少なくとも1つのスペーサが、前記活性剤と前記外側に延伸する部材の2つの外側限界を繋ぐ線との間に少なくとも1つの空間を画定し、
前記犠牲金属素子が鋼よりも貴でない金属を含み、
前記裏込材が柔軟な粘性裏込材で、前記少なくとも1つのスペーサ及び活性剤により画定される前記空間に充填されることを特徴とする鉄筋コンクリート保護材。 - 請求項8に記載の鉄筋コンクリート保護材において、前記少なくとも1つのスペーサが非伝導的で弾性のある物質を含むことを特徴とする鉄筋コンクリート保護材。
- 請求項8又は9に記載の鉄筋コンクリート保護材において、前記少なくとも1つのスペーサが、前記犠牲金属素子を収容するための内部穿孔を有するハウジングスペーサであることを特徴とする鉄筋コンクリート保護材。
- 請求項8乃至10の何れか1項に記載の鉄筋コンクリート保護材において、前記少なくとも1つのスペーサ及び前記犠牲金属素子が、前記少なくとも1つのスペーサによる前記犠牲金属素子の保持を促進する結合機構を有することを特徴とする鉄筋コンクリート保護材。
- 請求項8乃至11の何れか1項に記載の鉄筋コンクリート保護材において、前記アノードアッセンブリがその製造後に、包装内で前記アノードアッセンブリの有効期間を延長するために酸素、水蒸気、及び二酸化炭素のうち少なくとも1つが実質的に存在しない包装内に封印されることを特徴とする鉄筋コンクリート保護材。
- 請求項8乃至12の何れか1項に記載の鉄筋コンクリート保護材において、前記犠牲金属素子が亜鉛及び亜鉛合金のうちの1つを含み、前記活性剤が触媒活性剤を含むことを特徴とする鉄筋コンクリート保護材。
- 犠牲アノードアッセンブリの有効期間を延長する方法であって、
犠牲金属素子の活性を維持するために、活性剤を用いて鋼よりも貴でない前記犠牲金属素子を組み合わせて、前記犠牲アノードアッセンブリを形成するステップと、
前記犠牲アノードアッセンブリの有効期間を延長するために、酸素、水蒸気、及び二酸化炭素のうち少なくとも1つが実質的に存在しない包装内に、前記犠牲アノードアッセンブリを封印するステップとを含むことを特徴とする方法。 - 請求項14に記載の方法において、前記包装に少なくとも酸素及び水蒸気が実質的に存在しないことを特徴とする方法。
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GB1018830.8 | 2010-11-08 | ||
GBGB1018830.8A GB201018830D0 (en) | 2010-11-08 | 2010-11-08 | Anode assembly |
PCT/GB2011/052166 WO2012063056A2 (en) | 2010-11-08 | 2011-11-08 | Anode assembly and method |
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JP2014501846A true JP2014501846A (ja) | 2014-01-23 |
JP5988312B2 JP5988312B2 (ja) | 2016-09-07 |
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US (2) | US8926802B2 (ja) |
EP (1) | EP2638187A2 (ja) |
JP (1) | JP5988312B2 (ja) |
CN (1) | CN103228819B (ja) |
AU (1) | AU2011327874A1 (ja) |
BR (1) | BR112013011316A2 (ja) |
CA (1) | CA2816836A1 (ja) |
GB (2) | GB201018830D0 (ja) |
NZ (1) | NZ610025A (ja) |
SG (1) | SG190013A1 (ja) |
WO (1) | WO2012063056A2 (ja) |
ZA (1) | ZA201303651B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6051362B1 (ja) * | 2015-09-02 | 2016-12-27 | 株式会社日本メンテ | 鉄筋防錆型枠スペーサー |
JP2017014567A (ja) * | 2015-06-30 | 2017-01-19 | 西日本高速道路株式会社 | コンクリート構造物における犠牲陽極工法のモニタリング方法 |
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US8002964B2 (en) * | 2005-10-04 | 2011-08-23 | Gareth Kevin Glass | Sacrificial anode and backfill |
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- 2011-11-08 CN CN201180056359.5A patent/CN103228819B/zh active Active
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- 2011-11-08 GB GB1308140.1A patent/GB2499142A/en not_active Withdrawn
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Also Published As
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EP2638187A2 (en) | 2013-09-18 |
US20120111736A1 (en) | 2012-05-10 |
CN103228819A (zh) | 2013-07-31 |
US20150090608A1 (en) | 2015-04-02 |
JP5988312B2 (ja) | 2016-09-07 |
ZA201303651B (en) | 2016-05-25 |
GB2499142A (en) | 2013-08-07 |
US8926802B2 (en) | 2015-01-06 |
WO2012063056A3 (en) | 2013-01-03 |
WO2012063056A2 (en) | 2012-05-18 |
GB201308140D0 (en) | 2013-06-12 |
NZ610025A (en) | 2015-03-27 |
CA2816836A1 (en) | 2012-05-18 |
CN103228819B (zh) | 2016-03-30 |
BR112013011316A2 (pt) | 2020-05-26 |
GB201018830D0 (en) | 2010-12-22 |
SG190013A1 (en) | 2013-06-28 |
AU2011327874A1 (en) | 2013-05-30 |
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