JP4718409B2 - 人孔の補強工法 - Google Patents
人孔の補強工法 Download PDFInfo
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- JP4718409B2 JP4718409B2 JP2006277658A JP2006277658A JP4718409B2 JP 4718409 B2 JP4718409 B2 JP 4718409B2 JP 2006277658 A JP2006277658 A JP 2006277658A JP 2006277658 A JP2006277658 A JP 2006277658A JP 4718409 B2 JP4718409 B2 JP 4718409B2
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- human hole
- reinforcing
- wall
- fitting
- steel plate
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- 229910000975 Carbon steel Inorganic materials 0.000 description 1
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Images
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Description
6 鋼材連結体
8 補強部材連結体
11 鋼板製リンク
12 第1嵌合部材
13 第2嵌合部材
21 吊り下げ支持手段
21b ワイヤロープ
Claims (4)
- 地中に形成され上部に開口を有する人孔の内壁の表面を覆って補強する人孔の補強工法であって、
複数のボルト挿入用孔と長手方向片側に配置される複数の第1嵌合部とが設けられた複数の鋼板製リンクと、前記鋼板製リンク同士を連結するための連結用ボルト及びナットと、前記第1嵌合部に嵌合される第1嵌合部材と、前記鋼板製リンク及び前記第1嵌合部材により形成される第2嵌合部に嵌合される第2嵌合部材と、を備えるフレーム体を前記人孔の内壁に配設するため、ワイヤロープを備えた吊り下げ支持手段を前記開口の上部に設置する吊り下げ支持手段設置工程と、
前記鋼板製リンクを、前記連結用ボルト及びナットにより並列に複数連結することで鋼材連結体を形成する鋼材連結体形成工程と、
前記ワイヤロープを前記開口から前記人孔内に挿入し、前記鋼材連結体を前記ワイヤロープの先端に係止して吊り下げ支持し、前記人孔の内壁に沿って配置する鋼材連結体配置工程と、
前記第1嵌合部材を前記第1嵌合部に嵌合し、前記人孔の内壁の補強面を形成する前記第2嵌合部材を前記第2嵌合部に嵌合して補強部材連結体を形成する補強部材連結体形成工程と、
前記吊り下げ支持手段により吊り下げ支持された前記補強部材連結体の吊り下げ位置を前記人孔の内壁の上下方向に調整しながら、前記鋼板製リンクを前記人孔の内壁に沿うよう前記補強部材連結体の上下左右に連結する鋼板製リンク追加工程と、前記補強部材連結体形成工程とを、複数回繰り返すことで、複数の前記補強部材連結体の連結体として形成される前記フレーム体を、前記人孔の内壁に沿って配設するフレーム体形成工程と、
前記フレーム体と前記人孔の内壁との間に自硬化性充填材を注入する充填材注入工程と、
を備えていることを特徴とする、人孔の補強工法。 - 前記吊り下げ支持手段設置工程は、少なくとも1つのフックを前記人孔の内壁に固定して前記ワイヤロープの移動経路を形成することを特徴とする、請求項1に記載の人孔の補強工法。
- 前記鋼材連結体配置工程は、前記ワイヤロープの先端をリング状に形成し、前記鋼材連結体を前記ワイヤロープのリング状先端に係止することを特徴とする、請求項1又は請求項2に記載の人孔の補強工法。
- 前記吊り下げ支持手段設置工程は、複数の前記吊り下げ支持手段を設置することを特徴とする、請求項1乃至請求項3のいずれか1項に記載の人孔の補強工法。
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JP2006277658A JP4718409B2 (ja) | 2006-10-11 | 2006-10-11 | 人孔の補強工法 |
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JP2006277658A JP4718409B2 (ja) | 2006-10-11 | 2006-10-11 | 人孔の補強工法 |
Publications (2)
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JP2008095369A JP2008095369A (ja) | 2008-04-24 |
JP4718409B2 true JP4718409B2 (ja) | 2011-07-06 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4828368B2 (ja) * | 2006-10-11 | 2011-11-30 | 芦森工業株式会社 | 部材嵌合用治具 |
JP4823840B2 (ja) * | 2006-10-11 | 2011-11-24 | 芦森工業株式会社 | 構造物壁の補強工法 |
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JP4261733B2 (ja) * | 2000-05-01 | 2009-04-30 | 芦森工業株式会社 | 既設管路の補修方法およびそれに用いる補修材並びに管路 |
JP4390123B2 (ja) * | 2001-04-06 | 2009-12-24 | 芦森工業株式会社 | 管路の内張り構造 |
JP2002221293A (ja) * | 2001-01-25 | 2002-08-09 | Kajima Corp | 既設管きょの内面補修に使用するセグメントのリング組立兼搬送設備およびセグメントリング組立搬送方法 |
JP2005048399A (ja) * | 2003-07-31 | 2005-02-24 | Kansai Electric Power Co Inc:The | 老朽人孔の更生構造とその工法 |
JP3792691B2 (ja) * | 2003-11-28 | 2006-07-05 | 関西電力株式会社 | 老朽マンホールの狭隘箇所対応補修・補強工法 |
JP4823840B2 (ja) * | 2006-10-11 | 2011-11-24 | 芦森工業株式会社 | 構造物壁の補強工法 |
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