JP4160483B2 - 既設管路の更新工法 - Google Patents
既設管路の更新工法 Download PDFInfo
- Publication number
- JP4160483B2 JP4160483B2 JP2003351306A JP2003351306A JP4160483B2 JP 4160483 B2 JP4160483 B2 JP 4160483B2 JP 2003351306 A JP2003351306 A JP 2003351306A JP 2003351306 A JP2003351306 A JP 2003351306A JP 4160483 B2 JP4160483 B2 JP 4160483B2
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- JP
- Japan
- Prior art keywords
- pipe
- sheath
- existing
- shaft
- tube
- 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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- 238000000034 method Methods 0.000 title claims description 57
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- 238000009434 installation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- 238000009412 basement excavation Methods 0.000 description 17
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- 239000004576 sand Substances 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
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Images
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- Excavating Of Shafts Or Tunnels (AREA)
Description
G 部分さや管と既設管との隙間
1 推進トンネル
2 既設管路
3 既設管
5 地盤
6 第1の立坑
6a 発進坑口
7 第2の立坑
7a 到達坑口
10 オールケーシング掘削機
12 油圧供給装置
13 圧入ジャッキ
15 圧入フレーム
16 チャック
17 揺動ジャッキ
20 管受架台
21 搬送車
25 さや管
26 削進チューブ
27 部分さや管
28 カッタービット
30 給水穴
31 給水管
32 削進穴
35 調心装置
41 鋼球
45 妻板装置
50 リング保持装置
55 切り離し装置
67 隔壁ジャッキ
73 更新管
73a 貫通穴
74 漏れ防止部材
75 裏込め材
76 調整台
77 妻止めチューブ
78 裏込め材注入パイプ
79 更新管路
Claims (4)
- 更新すべき既設管路の両端に第1の立坑及び第2の立坑を形成し、
該第1の立坑から部分さや管を継ぎ足しつつ圧入することによって、前記既設管路の外周を掘削しつつ、複数の部分さや管からなるさや管を前記既設管路の外周を覆うように配置し、
前記既設管路を構成する既設管を、前記さや管を通して前記第1の立坑へ順次搬送して撤去し、
前記さや管を前記第2の立坑に到達させて全ての既設管を撤去した後は、前記さや管内に更新管を設置する工程と、前記第2の立坑の側から引き込まれた裏込め材注入パイプを該設置した更新管に着脱可能な状態で接続して該更新管と前記部分さや管との隙間に裏込め材を注入する工程と、該裏込め材の注入を行った後に前記さや管を前記第1の立坑の側へ所定ストロークだけ移動させる工程と、前記第1の立坑にて部分さや管を取り外す工程と、を繰り返し実施することにより、前記さや管内に前記第2の立坑の側から順次更新管を設置して更新管路を構築する、
ことを特徴とする既設管路の更新工法。 - 前記既設管の搬送及び前記更新管の設置は、前記部分さや管内を走行可能な搬送車によって行う、
ことを特徴とする請求項1に記載の既設管路の更新工法。 - 前記更新管には、径方向に貫通する貫通穴を形成してあり、前記裏込め材注入パイプを前記貫通穴に接続して、前記貫通穴から前記部分さや管と前記更新管との隙間に裏込め材を注入する、
ことを特徴とする請求項1又は2に記載の既設管路の更新工法。 - 前記さや管の先端には、削進チューブが設けられており、該削進チューブにより前記既設管路の外周を掘削してさや管を圧入し、
該さや管の先端が前記第2の立坑に到達した後、該第2の立坑内で前記さや管の先端から前記削進チューブを切り離す、
ことを特徴とする請求項1乃至3のいずれか1項に記載の既設管路の更新工法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003351306A JP4160483B2 (ja) | 2003-10-09 | 2003-10-09 | 既設管路の更新工法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003351306A JP4160483B2 (ja) | 2003-10-09 | 2003-10-09 | 既設管路の更新工法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005113587A JP2005113587A (ja) | 2005-04-28 |
JP4160483B2 true JP4160483B2 (ja) | 2008-10-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003351306A Expired - Lifetime JP4160483B2 (ja) | 2003-10-09 | 2003-10-09 | 既設管路の更新工法 |
Country Status (1)
Country | Link |
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JP (1) | JP4160483B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3867088B2 (ja) * | 2004-07-09 | 2007-01-10 | 栗本化成工業株式会社 | 管搬送用台車 |
JP5280699B2 (ja) * | 2008-02-05 | 2013-09-04 | 吉佳エンジニアリング株式会社 | 既設管補修方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5744099A (en) * | 1980-08-26 | 1982-03-12 | Komatsu Mfg Co Ltd | Burying of tubular body |
JPS61135993U (ja) * | 1985-02-08 | 1986-08-23 | ||
JPH01250594A (ja) * | 1987-12-31 | 1989-10-05 | Kyokuto Kaihatsu Kogyo Co Ltd | 埋設配管の敷替工法 |
JPH0641717B2 (ja) * | 1988-12-29 | 1994-06-01 | 大林道路株式会社 | 既設管路の置き換え方法及び地中掘進装置 |
JPH02311690A (ja) * | 1989-05-26 | 1990-12-27 | Mitsui Constr Co Ltd | 小口径管渠置換工法 |
JPH04362386A (ja) * | 1991-06-10 | 1992-12-15 | Nippon Steel Corp | 既設管の敷設替え工法 |
JP2002004768A (ja) * | 2000-06-21 | 2002-01-09 | Nkk Corp | 既設管の更新装置及び更新方法 |
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2003
- 2003-10-09 JP JP2003351306A patent/JP4160483B2/ja not_active Expired - Lifetime
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JP2005113587A (ja) | 2005-04-28 |
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