JP4287756B2 - 開放型推進工事における切羽崩壊時の緊急閉塞装置 - Google Patents
開放型推進工事における切羽崩壊時の緊急閉塞装置 Download PDFInfo
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Description
1) 刃口管の後端に推進管を連結して地中へ押進し、刃口で掘削した切羽の土砂を推進管内を通じて後方へ排出し、最後尾に推進管を継ぎ加えてさらに押進させることで管路を構築する開放型推進工事における地山陥没時の崩壊土砂を切羽部の刃口管内で遮断する装置において、刃口管の先端開口部に屈曲可能なスライド式のシャッターを開閉自在に設け、シャッターを上方から降下させて開口部を閉塞できるようにし、シャッターを刃口管の天井壁面に沿って展開状態で格納し、先端から降下させて閉塞できるようにし、同シャッターで崩壊土砂を遮断できるようにしたことを特徴とする開放型推進工事における切羽崩壊時の緊急閉塞装置
2) 刃口管の開口部上方に横方向の転向ローラを設け、刃口管の内側両側壁に上下方向のガイドレールをそれぞれ設け、シャッターを刃口管内上方から前方へ引き出して前記転向ローラで転向させた後、両端部を前記ガイドレールで保持しながら降下させて閉塞できるようにした前記1)記載の開放型推進工事における切羽崩壊時の緊急閉塞装置
3) シャッターの上下端部にワイヤーをそれぞれ結着し、同ワイヤーを引張して開閉するジャッキ又はウインチを設けた前記1)又は2)記載の開放型推進工事における切羽崩壊時の緊急閉塞装置
4) 刃口管の内部空間に掘削土砂の排出機器を配置した前記1)〜3)いずれか記載の開放型推進工事における切羽崩壊時の緊急閉塞装置
にある。
1a 刃口
1b 開口部
1c 滑材注入口
2 シャッター
2a 連結具
2b ワイヤー
3 転向ローラ
4 ガイドレール
5 ウインチ
6 開閉ジャッキ
7 方向ジャッキ
8 推進管
9 バックホー
10 コンベヤ
11 排気ダクト
12 押進装置
12a 架台
12b 押輪
13 トロバケット
14 換気用ブロワー
15 ダンプトラック
16 滑材プラント
17 推力低減装置プラント
18 移動式クレーン
D 掘削土砂
G 崩壊土砂
K 切羽
S 滑材層
T 発進立坑
Claims (4)
- 刃口管の後端に推進管を連結して地中へ押進し、刃口で掘削した切羽の土砂を推進管内を通じて後方へ排出し、最後尾に推進管を継ぎ加えてさらに押進させることで管路を構築する開放型推進工事における地山陥没時の崩壊土砂を切羽部の刃口管内で遮断する装置において、刃口管の先端開口部に屈曲可能なスライド式のシャッターを開閉自在に設け、シャッターを上方から降下させて開口部を閉塞できるようにし、シャッターを刃口管の天井壁面に沿って展開状態で格納し、先端から降下させて閉塞できるようにし、同シャッターで崩壊土砂を遮断できるようにしたことを特徴とする開放型推進工事における切羽崩壊時の緊急閉塞装置。
- 刃口管の開口部上方に横方向の転向ローラを設け、刃口管の内側両側壁に上下方向のガイドレールをそれぞれ設け、シャッターを刃口管内上方から前方へ引き出して前記転向ローラで転向させた後、両端部を前記ガイドレールで保持しながら降下させて閉塞できるようにした請求項1記載の開放型推進工事における切羽崩壊時の緊急閉塞装置。
- シャッターの上下端部にワイヤーをそれぞれ結着し、同ワイヤーを引張して開閉するジャッキ又はウインチを設けた請求項1又は2記載の開放型推進工事における切羽崩壊時の緊急閉塞装置。
- 刃口管の内部空間に掘削土砂の排出機器を配置した請求項1〜3いずれか記載の開放型推進工事における切羽崩壊時の緊急閉塞装置。
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JP2004019166A JP4287756B2 (ja) | 2004-01-28 | 2004-01-28 | 開放型推進工事における切羽崩壊時の緊急閉塞装置 |
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JP2004019166A JP4287756B2 (ja) | 2004-01-28 | 2004-01-28 | 開放型推進工事における切羽崩壊時の緊急閉塞装置 |
Publications (2)
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JP2005213784A JP2005213784A (ja) | 2005-08-11 |
JP4287756B2 true JP4287756B2 (ja) | 2009-07-01 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103790626A (zh) * | 2014-02-26 | 2014-05-14 | 中铁第一勘察设计院集团有限公司 | 隧道工程坍塌的多层套管救援系统及其实施方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4744346B2 (ja) * | 2006-04-21 | 2011-08-10 | 川崎重工業株式会社 | パッケージ排土式シールド機 |
JP2008303610A (ja) * | 2007-06-07 | 2008-12-18 | Shimizu Corp | トンネル掘削機 |
IT1404615B1 (it) * | 2011-02-21 | 2013-11-29 | Elas Geotecnica Srl | Procedimento ed attrezzatura per la realizzazione di gallerie |
CN105863664B (zh) * | 2016-06-13 | 2018-02-27 | 韶关市铁友建设机械有限公司 | 一种挖掘顶管机 |
CN113482706B (zh) * | 2021-07-08 | 2022-04-19 | 中铁工程装备集团有限公司 | 一种斜井tbm溜渣槽及其施工方法 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103790626A (zh) * | 2014-02-26 | 2014-05-14 | 中铁第一勘察设计院集团有限公司 | 隧道工程坍塌的多层套管救援系统及其实施方法 |
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