JP4880531B2 - 裏込め材注入孔の止水構造 - Google Patents
裏込め材注入孔の止水構造 Download PDFInfo
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- JP4880531B2 JP4880531B2 JP2007170215A JP2007170215A JP4880531B2 JP 4880531 B2 JP4880531 B2 JP 4880531B2 JP 2007170215 A JP2007170215 A JP 2007170215A JP 2007170215 A JP2007170215 A JP 2007170215A JP 4880531 B2 JP4880531 B2 JP 4880531B2
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Description
(2) 裏込め材注入孔を逆止弁により二重に止水することにより、止水性及び安全性が向上する。
(3) 二重に止水することにより、裏込め材の再注入作業の安全性の向上及び作業性の向上を図ることができる。
1a…スキンプレート
2…注入管
2a…雌ねじ(地山側)
2b…雌ねじ(トンネル内部側)
10…高止水逆止弁
11…弁本体
11a…円筒部材
11b…弁座
11c…ばね取付部材
11d…フック
11e…ガイド
12…弁体
12a…ゴム等のシールリング
13…圧縮コイルばね
14…止め輪
15…弁座開口
16…裏込め材排出開口
17…溝部
18…Oリング等のシールリング
20…簡易逆止弁
21…弁本体
22…弁体
22a…ヒンジ部
22b…隔壁
22c…弁座
23…弁座開口
24…雌ねじ
30…吊手金具
31…雌ねじ
32…フランジ
33…注入開口
40…樹脂プラグ
50…注入管
51…注入ニップル
A…地山
B…裏込め材
C…空隙
Claims (1)
- 抗土水圧構造物に埋設される裏込め材注入孔の内部に設けられる逆止弁を用いた止水構造であり、弁本体の内部に設けられた弁体をばねの押圧力により弁座に押圧して弁座開口を閉じ、裏込め材の注入圧によりばねの押圧力に抗して弁体を弁座から離間させて弁座開口を開くように構成された高止水逆止弁と、この高止水逆止弁の弁本体を裏込め材の注入方向の両側から挟むように配置され、裏込め材注入孔の内面に形成された溝部に装着することにより高止水逆止弁を裏込め材注入孔の内部に着脱可能に取り付ける止め輪から構成されていることを特徴とする止水構造。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007170215A JP4880531B2 (ja) | 2007-06-28 | 2007-06-28 | 裏込め材注入孔の止水構造 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007170215A JP4880531B2 (ja) | 2007-06-28 | 2007-06-28 | 裏込め材注入孔の止水構造 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011185671A Division JP5159930B2 (ja) | 2011-08-29 | 2011-08-29 | 裏込め材の再注入方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009007830A JP2009007830A (ja) | 2009-01-15 |
JP4880531B2 true JP4880531B2 (ja) | 2012-02-22 |
Family
ID=40323182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007170215A Active JP4880531B2 (ja) | 2007-06-28 | 2007-06-28 | 裏込め材注入孔の止水構造 |
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JP (1) | JP4880531B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929686A (zh) * | 2015-07-01 | 2015-09-23 | 中南大学 | 一种控制盾构隧道上浮的排水减压方法及其管片 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5242517B2 (ja) * | 2009-07-24 | 2013-07-24 | 東京ファブリック工業株式会社 | 調査兼固化材注入装置、調査兼固化材注入装置が設置されている構造物、及び地盤調査方法 |
JP6228853B2 (ja) * | 2014-01-31 | 2017-11-08 | メトロ開発株式会社 | 高止水逆止弁 |
JP6178281B2 (ja) * | 2014-05-16 | 2017-08-09 | 株式会社鷺宮製作所 | 絞り装置、および、それを備える冷凍サイクルシステム |
JP2016102390A (ja) * | 2014-11-18 | 2016-06-02 | 日新興業株式会社 | 地盤沈下検測装置付グラウト注入管 |
KR102096488B1 (ko) * | 2018-01-24 | 2020-04-02 | 한국전력공사 | 세그먼트와 세그먼트 조립체 및 그라우팅 장치 |
KR101975704B1 (ko) * | 2018-05-28 | 2019-05-07 | 김필주 | 터널 배면 공동 그라우팅 주입 방법 및 그 장치 |
JP7123699B2 (ja) * | 2018-08-29 | 2022-08-23 | 株式会社テイエルブイ | フロート式逆止弁 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62100377A (ja) * | 1985-10-25 | 1987-05-09 | Matsushita Electric Works Ltd | コ−ドリ−ル |
JPH037863U (ja) * | 1989-06-12 | 1991-01-25 | ||
JPH094378A (ja) * | 1995-06-26 | 1997-01-07 | Nippon Seal Pack:Kk | シールドセグメントグラウトホール用逆止弁 |
JPH1163259A (ja) * | 1997-08-19 | 1999-03-05 | M Tex Matsumura Kk | 2方向弁装置 |
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2007
- 2007-06-28 JP JP2007170215A patent/JP4880531B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104929686A (zh) * | 2015-07-01 | 2015-09-23 | 中南大学 | 一种控制盾构隧道上浮的排水减压方法及其管片 |
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JP2009007830A (ja) | 2009-01-15 |
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