JP6885577B2 - 鋼橋の保全工法 - Google Patents
鋼橋の保全工法 Download PDFInfo
- Publication number
- JP6885577B2 JP6885577B2 JP2017010515A JP2017010515A JP6885577B2 JP 6885577 B2 JP6885577 B2 JP 6885577B2 JP 2017010515 A JP2017010515 A JP 2017010515A JP 2017010515 A JP2017010515 A JP 2017010515A JP 6885577 B2 JP6885577 B2 JP 6885577B2
- Authority
- JP
- Japan
- Prior art keywords
- steel bridge
- projection material
- common projection
- common
- treatment
- 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.)
- Ceased
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 46
- 239000010959 steel Substances 0.000 title claims description 46
- 238000000034 method Methods 0.000 title claims description 22
- 238000012423 maintenance Methods 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims description 65
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 18
- 238000005480 shot peening Methods 0.000 claims description 14
- 238000005422 blasting Methods 0.000 claims description 10
- 239000005002 finish coating Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 description 20
- 238000012790 confirmation Methods 0.000 description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 230000035882 stress Effects 0.000 description 6
- 239000003973 paint Substances 0.000 description 5
- 238000005086 pumping Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002223 garnet Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Description
Claims (1)
- 鋼橋に対して共通投射材を投射してブラスト処理とショットピーニング処理とを同時に行う同時処理工程を含む鋼橋の保全工法であって、
前記ブラスト処理は、前記共通投射材を前記鋼橋に対して投射することによって前記鋼橋の表面の素地調整をするものであり、
前記ショットピーニング処理は、前記共通投射材を前記鋼橋に対して投射することによって前記鋼橋の表面に圧縮残留応力を与えるものであり、
前記共通投射材が、
JIS B2711:2013に規定されたコンディションドカットワイヤショットであり、
さらに、
前記ブラスト処理及び前記ショットピーニング処理を同時に行う前記同時処理工程の後に前記鋼橋の表面に最終塗膜を形成するための最終仕上げ塗装を行う工程を含むことを特徴とする鋼橋の保全工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017010515A JP6885577B2 (ja) | 2017-01-24 | 2017-01-24 | 鋼橋の保全工法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017010515A JP6885577B2 (ja) | 2017-01-24 | 2017-01-24 | 鋼橋の保全工法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018118338A JP2018118338A (ja) | 2018-08-02 |
JP6885577B2 true JP6885577B2 (ja) | 2021-06-16 |
Family
ID=63044547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017010515A Ceased JP6885577B2 (ja) | 2017-01-24 | 2017-01-24 | 鋼橋の保全工法 |
Country Status (1)
Country | Link |
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JP (1) | JP6885577B2 (ja) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0757468B2 (ja) * | 1987-02-23 | 1995-06-21 | 株式会社不二製作所 | 放電加工による金型の研掃方法 |
US20150040330A1 (en) * | 2013-08-12 | 2015-02-12 | The D.S. Brown Company, Inc. | Monolithic protective waterproofing system |
JP6444232B2 (ja) * | 2014-09-19 | 2018-12-26 | ヤマダインフラテクノス株式会社 | 鋼構造物の保全塗装工法、及びこれに用いられる循環式ブラスト装置 |
-
2017
- 2017-01-24 JP JP2017010515A patent/JP6885577B2/ja not_active Ceased
Also Published As
Publication number | Publication date |
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JP2018118338A (ja) | 2018-08-02 |
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