JP5702324B2 - 水素脆化防止方法 - Google Patents
水素脆化防止方法 Download PDFInfo
- Publication number
- JP5702324B2 JP5702324B2 JP2012075838A JP2012075838A JP5702324B2 JP 5702324 B2 JP5702324 B2 JP 5702324B2 JP 2012075838 A JP2012075838 A JP 2012075838A JP 2012075838 A JP2012075838 A JP 2012075838A JP 5702324 B2 JP5702324 B2 JP 5702324B2
- Authority
- JP
- Japan
- Prior art keywords
- oxygen gas
- hydrogen embrittlement
- hydrogen
- oxygen
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Building Environments (AREA)
- Working Measures On Existing Buildindgs (AREA)
Description
2H++2e-<=>H2・・・E=0.0V
O2+4H++4e-<=>2H2O・・・E=1.23V
Claims (2)
- コンクリートで鋼材を被覆したコンクリート構造物のひび割れ部に酸素ガスを供給する第1工程と、
前記ひび割れ部における酸素ガスの濃度を、大気における酸素ガスの濃度より高い状態とする第2工程と
を少なくとも備えることを特徴とする水素脆化防止方法。 - 請求項1記載の水素脆化防止方法において、
前記第1工程では、前記ひび割れ部に純酸素ガスを供給することを特徴とする水素脆化防止方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012075838A JP5702324B2 (ja) | 2012-03-29 | 2012-03-29 | 水素脆化防止方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012075838A JP5702324B2 (ja) | 2012-03-29 | 2012-03-29 | 水素脆化防止方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013204342A JP2013204342A (ja) | 2013-10-07 |
JP5702324B2 true JP5702324B2 (ja) | 2015-04-15 |
Family
ID=49523730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012075838A Expired - Fee Related JP5702324B2 (ja) | 2012-03-29 | 2012-03-29 | 水素脆化防止方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5702324B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2024067747A (ja) * | 2022-11-07 | 2024-05-17 | 川崎重工業株式会社 | 水素移送システムおよび水素移送方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62182290A (ja) * | 1986-02-06 | 1987-08-10 | Hitachi Ltd | 部材の水素脆化防止方法 |
JP2002345133A (ja) * | 2001-05-15 | 2002-11-29 | Nippon Telegraph & Telephone East Corp | プレストレストコンクリート製電柱の補修方法 |
-
2012
- 2012-03-29 JP JP2012075838A patent/JP5702324B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2013204342A (ja) | 2013-10-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10246887B2 (en) | Method for producing prestressed structures and structural parts by means of SMA tension elements, and structure and structural part equipped therewith | |
Berrocal et al. | Influence of steel fibres on corrosion of reinforcement in concrete in chloride environments: A review | |
JP2007332667A (ja) | 炭素繊維を使用した鉄筋コンクリート製柱状構造物のじん性補強方法 | |
US20180037999A1 (en) | Method of producing cathodic corrosion protection for protection of reinforcing steel in a ferroconcrete structure | |
JP5702324B2 (ja) | 水素脆化防止方法 | |
JP2012144771A (ja) | 鉄筋コンクリート構造物に於ける電気防食工法 | |
US20130269283A1 (en) | Induced macro-cell corrosion prevention method | |
JP2006233671A (ja) | 低層住宅用シングル配筋既設基礎の補強工法 | |
JP4091953B2 (ja) | 既設鉄筋コンクリート構造物の断面修復構造 | |
US6524465B1 (en) | Method of supplying electric current to prestressed concrete | |
JP5275787B2 (ja) | コンクリート構造体 | |
JP5614086B2 (ja) | 耐久性に優れたコンクリート柱 | |
Zhang et al. | Control of repair effect and hydrogen embrittlement risk by parameters optimization for BIEM | |
JP2015090041A (ja) | 腐食防止システム | |
DE69206559D1 (de) | Anodenkonstruktion für den kathodischen Schutz von stahlverstärktem Beton und relevante Methode zu seiner Verwendung. | |
Maia et al. | Low durability of concrete elements due to steel corrosion–cases wherein the steel reinforcing bars acted as an internal clock bomb | |
JP2014133911A (ja) | 水素脆化の抑制方法 | |
Femi | A contemporary review of the effects of corrosion of damaged concrete cover on the structural performance of concrete structure using cfrp strengthened corroded beam | |
JP4842345B2 (ja) | 鉄筋コンクリート構造物の断面修復構造 | |
JP2020125529A (ja) | 陽極材用塗膜材、コンクリート構造物、及び、電気防食工法 | |
JP4320040B2 (ja) | 鉄筋コンクリート構造物の断面修復構造 | |
JP6077479B2 (ja) | コンクリート構造体 | |
JP2013124410A (ja) | 鋼材表面における水素発生を抑制する方法 | |
JP6575908B2 (ja) | プレストレストコンクリート構造物のpc鋼材腐食抑制構造 | |
JP3415744B2 (ja) | プレストレストコンクリートの再生方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140110 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20140912 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140930 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20150217 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20150219 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5702324 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |