JP5230332B2 - 裏込め材注入孔の高止水栓 - Google Patents
裏込め材注入孔の高止水栓 Download PDFInfo
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- JP5230332B2 JP5230332B2 JP2008258001A JP2008258001A JP5230332B2 JP 5230332 B2 JP5230332 B2 JP 5230332B2 JP 2008258001 A JP2008258001 A JP 2008258001A JP 2008258001 A JP2008258001 A JP 2008258001A JP 5230332 B2 JP5230332 B2 JP 5230332B2
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- Prior art keywords
- water stop
- water
- injection hole
- material injection
- stop cock
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Description
2…裏込め材注入孔(トンネル内部側)
3…裏込め材注入孔(地山側)
4…雌ねじ
5…裏込め材注入孔の滑らかな内面
10…高止水栓
11…止水栓本体
12…止水ゴム(止水部材)
13…止水ゴムの雄ねじ
14…止水ゴムのテーパー面
15…止水栓本体のテーパー面
30…座板
30a…ボルト挿通孔
30b…切欠き
31…ボルト
32…ナット
33…皿ばね状の板ばね
40…止水ゴム装着工具
41…円板
42…針
43…棒材
44…ハンドル
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、裏込め材注入孔の内部に挿入される止水栓本体と、この止水栓本体と裏込め材注入孔の内面との間に配置される止水部材とから構成され、止水部材の外周面には裏込め材注入孔の雌ねじに嵌合する雄ねじが形成され、かつ、止水部材の内周面には止水栓本体に向かって広がるテーパー面が形成され、前記止水栓本体の外周面には止水部材に向かって狭まるテーパー面が形成され、止水部材のテーパー面の内部に止水栓本体のテーパー面を押し込むことにより止水部材が拡径して止水部材の雄ねじが裏込め材注入孔の雌ねじに密着するように構成されている高止水栓であって、止水栓本体には止水部材の中心を貫通するボルトが設けられ、このボルトの先端部に、裏込め材注入孔の内径よりも若干小さい外径で中央にボルト挿通孔が形成された円板であり外周部の表面がリング状の止水部材の端面に当接する座板がナットにより取り付けられ、ナットを締め付けることにより止水部材を止水栓本体と座板とで挟み込むように構成されていることを特徴とする高止水栓。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008258001A JP5230332B2 (ja) | 2008-10-03 | 2008-10-03 | 裏込め材注入孔の高止水栓 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2008258001A JP5230332B2 (ja) | 2008-10-03 | 2008-10-03 | 裏込め材注入孔の高止水栓 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010084497A JP2010084497A (ja) | 2010-04-15 |
JP5230332B2 true JP5230332B2 (ja) | 2013-07-10 |
Family
ID=42248725
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008258001A Expired - Fee Related JP5230332B2 (ja) | 2008-10-03 | 2008-10-03 | 裏込め材注入孔の高止水栓 |
Country Status (1)
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JP (1) | JP5230332B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6433861B2 (ja) * | 2015-08-07 | 2018-12-05 | 鹿島建設株式会社 | グラウト材注入用の注入管、セグメント、及び、グラウト材の再注入方法 |
CA3092908A1 (en) * | 2018-03-09 | 2019-09-12 | Acciona Constuccion, S.A. | Leaktight arrangement |
CN109811799A (zh) * | 2019-03-11 | 2019-05-28 | 江苏省工程勘测研究院有限责任公司 | 一种工程止水用膨胀装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0284894U (ja) * | 1988-12-19 | 1990-07-02 | ||
JPH07158388A (ja) * | 1993-12-06 | 1995-06-20 | Musashino Kiko Kk | 逆止弁 |
JPH11166393A (ja) * | 1997-12-03 | 1999-06-22 | Okabe Co Ltd | トンネルのコンクリート注入孔用閉塞栓 |
JP3309076B2 (ja) * | 1998-08-07 | 2002-07-29 | 但商株式会社 | グラウトホール用逆止弁 |
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2008
- 2008-10-03 JP JP2008258001A patent/JP5230332B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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JP2010084497A (ja) | 2010-04-15 |
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