JP4262084B2 - プレグラウトpc鋼より線の被覆撤去方法 - Google Patents
プレグラウトpc鋼より線の被覆撤去方法 Download PDFInfo
- Publication number
- JP4262084B2 JP4262084B2 JP2003433011A JP2003433011A JP4262084B2 JP 4262084 B2 JP4262084 B2 JP 4262084B2 JP 2003433011 A JP2003433011 A JP 2003433011A JP 2003433011 A JP2003433011 A JP 2003433011A JP 4262084 B2 JP4262084 B2 JP 4262084B2
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- JP
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- Prior art keywords
- steel
- wire
- coating
- grout
- resin
- 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 - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 title claims description 63
- 239000010959 steel Substances 0.000 title claims description 63
- 238000000034 method Methods 0.000 title claims description 22
- 239000011440 grout Substances 0.000 title description 28
- 239000011248 coating agent Substances 0.000 claims description 37
- 238000000576 coating method Methods 0.000 claims description 37
- 229920002379 silicone rubber Polymers 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000011513 prestressed concrete Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 description 23
- 239000011347 resin Substances 0.000 description 23
- 239000004567 concrete Substances 0.000 description 20
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003811 curling process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Images
Landscapes
- Piles And Underground Anchors (AREA)
- Bridges Or Land Bridges (AREA)
Description
プレストレスト・コンクリート建設業協会:「PCグラウト&プレグラウトPC鋼材施工マニュアル」(1999年)p94〜96
2 シリコンラバーヒータ
3 バンド
4 リード線
5 接する部分
6 矢印
10 プレグラウトPC鋼より線
11 大径リング
12 小径リング
13 長手方向のリング
15 被覆
16 支圧板と接する部分
17、42 矢印
20 PC鋼より線
21 樹脂
23 切断
24 長さ
30 スリーブ
31 くさび
33 キャップ
40 人手
41 布
50 コンクリート
51 支圧板
62 期間
63 時点
Claims (3)
- プレグラウトPC鋼より線の外周に加熱手段を装着し、該プレグラウトPC鋼より線の被覆を加温し、一定温度に到達したとき該被覆を引き抜き撤去することを特徴とするプレグラウトPC鋼より線の被覆撤去方法。
- 前記プレグラウトPC鋼より線がプレストレストコンクリート床版の横締め用PC鋼より線であることを特徴とする請求項1記載のプレグラウトPC鋼より線の被覆撤去方法。
- 前記加熱手段は、プレグラウトPC鋼より線の外周に被せるシリコンラバーヒータであることを特徴とする請求項1又は2記載のプレグラウトPC鋼より線の被覆撤去方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003433011A JP4262084B2 (ja) | 2003-12-26 | 2003-12-26 | プレグラウトpc鋼より線の被覆撤去方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003433011A JP4262084B2 (ja) | 2003-12-26 | 2003-12-26 | プレグラウトpc鋼より線の被覆撤去方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005240271A JP2005240271A (ja) | 2005-09-08 |
JP2005240271A5 JP2005240271A5 (ja) | 2007-02-15 |
JP4262084B2 true JP4262084B2 (ja) | 2009-05-13 |
Family
ID=35022293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003433011A Expired - Lifetime JP4262084B2 (ja) | 2003-12-26 | 2003-12-26 | プレグラウトpc鋼より線の被覆撤去方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4262084B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7479972B2 (ja) | 2020-07-13 | 2024-05-09 | 住友電気工業株式会社 | 被覆pc鋼撚り線用被覆軟化装置、被覆pc鋼撚り線の被覆樹脂除去方法、光ファイバーの取り出し方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5936446U (ja) * | 1982-08-31 | 1984-03-07 | 箕作 昭彦 | 瞬間液体加熱装置 |
JP2559802B2 (ja) * | 1988-04-07 | 1996-12-04 | 神鋼鋼線工業株式会社 | 緊張用ケーブル |
JPH0745707Y2 (ja) * | 1993-07-27 | 1995-10-18 | 極東鋼弦コンクリート振興株式会社 | 外ケーブル定着装置 |
JP2568402Y2 (ja) * | 1993-10-22 | 1998-04-15 | 守谷鋼機株式会社 | アンボンドpc鋼より線の端末構造 |
JPH07127187A (ja) * | 1993-10-29 | 1995-05-16 | Sumitomo Electric Ind Ltd | アンボンド鋼棒の端部及びそのシーリング方法 |
JP2742675B2 (ja) * | 1996-02-29 | 1998-04-22 | 株式会社ホーク | プレストレストコンクリート構造物の補修補強方法 |
JP3520067B2 (ja) * | 2001-10-17 | 2004-04-19 | 株式会社ピーエス三菱 | Pcケーブル保護管の充填方法 |
JP3906912B2 (ja) * | 2002-05-23 | 2007-04-18 | アンダーソンテクノロジー株式会社 | 分割施工多径間連続pc桁の前方施工側pc桁に埋設する隣接する後方施工側プレグラウトケーブル用支圧板及び同支圧板を用いた分割施工多径間連続pc桁の定着部の構造 |
-
2003
- 2003-12-26 JP JP2003433011A patent/JP4262084B2/ja not_active Expired - Lifetime
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Publication number | Publication date |
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JP2005240271A (ja) | 2005-09-08 |
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