JP2008106530A - 地下構造物の構築方法 - Google Patents
地下構造物の構築方法 Download PDFInfo
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- JP2008106530A JP2008106530A JP2006290899A JP2006290899A JP2008106530A JP 2008106530 A JP2008106530 A JP 2008106530A JP 2006290899 A JP2006290899 A JP 2006290899A JP 2006290899 A JP2006290899 A JP 2006290899A JP 2008106530 A JP2008106530 A JP 2008106530A
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Abstract
【解決手段】開削工法により掘削し、掘削壁を土留壁1と切梁とで支保し、掘削溝内にコンクリート函体3を連続して縦列に敷設する地下構造物の構築方法において、前記函体3の据付け部用の切梁7と、これに先行する土留用の切梁6とを設置し、前記両切梁6、7をそれぞれ2段構造とし、他方の切梁に反力をとって一方の切梁を推進ジャッキ11、13で交互に前進させる自走式とした。
【選択図】 図1
Description
3 コンクリート函体 4 掘削機
5 掘削溝 6、6a、6b 切梁
7、7a、7b 切梁 8 腹起し部材
9 架台 10 架台推進ジャッキ
11 推進ジャッキ 12 鋼矢板支保工ジャッキ
13 推進ジャッキ 14 結合部材
15 グラウトホース 16 基礎
17 走行クレーン 21 切梁
22 覆工板 23 覆工板受桁
24 桁受 25 家屋
Claims (3)
- 開削工法により掘削し、掘削壁を土留壁と切梁とで支保し、掘削溝内に函体を連続して縦列に敷設する地下構造物の構築方法において、前記函体の据付け部用の切梁と、これに先行する土留用の切梁とを設置し、前記両切梁をそれぞれ2段構造とし、他方の切梁に反力をとって一方の切梁を推進ジャッキで交互に前進させる自走式としたことを特徴とする地下構造物の構築方法。
- 前記土留用の切梁は、掘削溝の深さ方向において上段と中段に配置し、後方の函体に反力をとって前進する架台上に設置される請求項1記載の地下構造物の構築方法。
- 函体の据付け部用の切梁は、先行する土留用の切梁と上部と敷設した函体の上部に設置される請求項1記載の地下構造物の構築方法。
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JP2006290899A JP4272228B2 (ja) | 2006-10-26 | 2006-10-26 | 地下構造物の構築方法 |
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JP2006290899A JP4272228B2 (ja) | 2006-10-26 | 2006-10-26 | 地下構造物の構築方法 |
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JP2008106530A true JP2008106530A (ja) | 2008-05-08 |
JP4272228B2 JP4272228B2 (ja) | 2009-06-03 |
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JP2006290899A Active JP4272228B2 (ja) | 2006-10-26 | 2006-10-26 | 地下構造物の構築方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7405912B1 (ja) | 2022-07-01 | 2023-12-26 | 誠 植村 | 既設柵渠水路の底部拡幅補修工法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7405912B1 (ja) | 2022-07-01 | 2023-12-26 | 誠 植村 | 既設柵渠水路の底部拡幅補修工法 |
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