JP3262411B2 - Sealing material mixing device for lining segments - Google Patents
Sealing material mixing device for lining segmentsInfo
- Publication number
- JP3262411B2 JP3262411B2 JP15428693A JP15428693A JP3262411B2 JP 3262411 B2 JP3262411 B2 JP 3262411B2 JP 15428693 A JP15428693 A JP 15428693A JP 15428693 A JP15428693 A JP 15428693A JP 3262411 B2 JP3262411 B2 JP 3262411B2
- Authority
- JP
- Japan
- Prior art keywords
- sealing material
- segment
- mixer
- mixing device
- material mixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
- Building Environments (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、トンネル等の掘削工事
において、掘削した孔壁面を被覆保護すると共に漏水を
効果的に封止する覆工用セグメントのシール材混合装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing material mixing device for a lining segment for covering and protecting the wall surface of an excavated hole and effectively sealing water leakage in an excavation work such as a tunnel.
【０００２】[0002]
【従来の技術】従来、孔壁面を保護し漏水を防止する手
段としては、各セグメントの継ぎ目部分にシール材とし
てプラスチック系又はゴム系の軟質材からなるパッキン
グを介在させることが一般に行われていた。2. Description of the Related Art Conventionally, as means for protecting the wall surface of a hole and preventing water leakage, a packing made of a plastic or rubber-based soft material is generally interposed as a sealing material at a joint portion of each segment. .
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記従来のセ
グメントの形成によると、定型シール材たるパッキン
は、該セグメントの組み立てに入る前に地上又は地下の
作業所において該セグメントのセグメント溝に貼付ける
必要があり、そのため該セグメントの組み立てまでに破
損して機能低下を来すおそれがあると共に、該セグメン
トの組み立て後においては、該パッキンの接合部から漏
水したりラジアル圧により弾性疲労を起す問題点を有し
ていた。However, according to the above-described conventional segment formation, the packing, which is a fixed sealing material, is attached to the segment groove of the segment at an above-ground or underground work place before starting the assembly of the segment. It is necessary to do so, so that the segment may be broken before assembly of the segment, resulting in deterioration of function. Also, after assembly of the segment, water leaks from the joint of the packing or elastic fatigue occurs due to radial pressure. Had.
【０００４】本発明は上記の問題点を解決し、注入作業
が容易で確実な注入ができると共に、シール部の漏水を
的確に防止するために、シール部に２種類の液状のシー
ル材を注入するに際して使用する簡便な混合装置を提供
することを目的とする。[0004] The present invention solves the above-mentioned problems, and injects two kinds of liquid sealing materials into the seal portion in order to easily and reliably perform the injection operation and accurately prevent water leakage from the seal portion. It is an object of the present invention to provide a simple mixing device to be used when performing the mixing.
【０００５】この目的を達成すべく本発明は、セグメン
トの外周のシール溝に連通するシール材の流入孔内に、
注入混合シール材の硬化後埋殺しされる混合機を設けた
ことを特徴とする。[0005] In order to achieve this object, the present invention provides a sealing material inflow hole communicating with a sealing groove on the outer periphery of a segment.
A mixing machine is provided, which is buried after the injection-mixing sealing material is cured.
【０００６】[0006]
【作用】セグメントの外周のシール溝に連通するシール
材の流入孔内に設けた混合機において、原材料たる液状
のシール材が効率的に混合されて順次シール溝に注入さ
れる。In the mixer provided in the inflow hole of the sealing material communicating with the sealing groove on the outer periphery of the segment, the liquid sealing material as a raw material is efficiently mixed and sequentially injected into the sealing groove.
【０００７】[0007]
【実施例】以下、本発明の１実施例を図１及び図２によ
り説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.
【０００８】１はセグメントを示し、該セグメント１は
その外周にシール溝１ａが形成されており、該セグメン
ト１のうち１部のセグメント１は図１の如く前記シール
溝１ａに連通し、内周面に開口した流入孔１ｂが形成さ
れている。Reference numeral 1 denotes a segment. The segment 1 has a seal groove 1a formed on an outer periphery thereof. A part of the segment 1 communicates with the seal groove 1a as shown in FIG. An inflow hole 1b opened in the surface is formed.
【０００９】そして、該流入孔１ｂ内に混合機２が嵌着
されており、該混合機２は図２の如く筒状体２ａ内に、
例えば２重リボン状に形成した撹拌翼２ｂを固定して形
成されている。A mixer 2 is fitted into the inflow hole 1b, and the mixer 2 is inserted into a cylindrical body 2a as shown in FIG.
For example, it is formed by fixing a stirring blade 2b formed in a double ribbon shape.
【００１０】かくて、シールド機による掘削後の地山内
に円環状に連結固定されたセグメント１…１のうちシー
ルド材を注入するのに好ましい個所に、流入孔１ｂ内に
混合機２を有するセグメント１を連結固定し、該流入孔
１ｂの開口に分岐ジョイントを介して、例えばウレタン
プレポリマーである主剤Ａを注入する第１パイプ３と、
いわゆる硬化剤としての水Ｂを注入する第２パイプ４を
接続し、主剤Ａ及び水Ｂをそれぞれの供給源より第１パ
イプ３及び第２パイプ４より混合機２内に圧封して該内
部に配列された固定式の撹拌翼２ｂにて混合したセグメ
ント１の外周のシール溝１ａ内に圧送する。Thus, a segment having a mixer 2 in an inflow hole 1b is provided at a location where the shield material is to be injected, of the segments 1... 1 connected and fixed in an annular shape in the ground after excavation by the shield machine. 1, a first pipe 3 for injecting, for example, a main agent A which is a urethane prepolymer through a branch joint into the opening of the inflow hole 1b;
A second pipe 4 for injecting water B as a so-called hardener is connected, and the main agent A and water B are sealed from the respective supply sources into the mixer 2 from the first pipe 3 and the second pipe 4 to form the inside. Are fed into the seal groove 1a on the outer periphery of the mixed segment 1 by the fixed stirring blades 2b arranged in a row.
【００１１】かくて圧送された注入混合シール材が該シ
ール溝１ａ内に充填され、その後硬化する。そして混合
機２は埋殺しにされる。The injection-mixed sealing material thus pumped is filled in the sealing groove 1a and then cured. Then, the mixer 2 is buried.
【００１２】尚、前記実施例では固定式の混合機２の例
を示したが、該混合機２内の撹拌翼２ｂを回転駆動式と
して混合効率を上昇させることも可能である。In the above-described embodiment, the example of the fixed mixer 2 is shown. However, the mixing efficiency can be increased by using the stirring blade 2b in the mixer 2 as a rotary drive type.
【００１３】[0013]
【発明の効果】このように本発明によると、セグメント
の外周のシール溝に連通するシール材の流入孔内に混合
機を設けたので、前記シール溝に液状の注入材を混合す
るに際して簡便でスペースをとらず効率的な混合が達成
される効果を有する。As described above, according to the present invention, since the mixer is provided in the inflow hole of the seal material communicating with the seal groove on the outer periphery of the segment, it is easy to mix the liquid injection material into the seal groove. This has the effect that efficient mixing is achieved without taking up space.
【図１】本発明の１実施例の要部の断面図である。FIG. 1 is a sectional view of a main part of one embodiment of the present invention.
【図２】混合機の一部の截断斜視図である。FIG. 2 is a partially cutaway perspective view of the mixer.
１ セグメント １ａ シール溝 １ｂ 流入孔 ２ 混合機 ２ａ 撹拌翼 DESCRIPTION OF SYMBOLS 1 Segment 1a Seal groove 1b Inflow hole 2 Mixer 2a Stirrer
───────────────────────────────────────────────────── フロントページの続き (72)発明者 福島 拓夫 東京都荒川区東尾久７丁目２番35号 旭 電化工業株式会社内 (72)発明者 上野 時夫 東京都荒川区東尾久７丁目２番35号 旭 電化工業株式会社内 (72)発明者 尾見 仁一 東京都荒川区東尾久７丁目２番35号 旭 電化工業株式会社内 (72)発明者 井上 弘 東京都荒川区東尾久７丁目２番35号 旭 電化工業株式会社内 (56)参考文献 特開 昭62−284896（ＪＰ，Ａ) 特開 平２−47006（ＪＰ，Ａ) 実開 平２−125099（ＪＰ，Ｕ) 特公 昭48−6222（ＪＰ，Ｂ１) (58)調査した分野(Int.Cl.7，ＤＢ名) E21D 11/38 E04B 1/66 E04B 1/682 E21D 11/08 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takuo Fukushima 7-2-35 Higashiogu, Arakawa-ku, Tokyo Inside Asahi Denka Kogyo Co., Ltd. (72) Inventor Tokio Ueno 7-35-35 Higashiogu, Arakawa-ku, Tokyo Asahi Denka Kogyo Co., Ltd. (72) Inventor Jinichi Omi 7-2-35 Higashiogu, Arakawa-ku, Tokyo Asahi Denka Kogyo Co., Ltd. (72) Inventor Hiroshi Inoue 7-35, Higashiogu Arakawa-ku, Tokyo Asahi Denka Kogyo Co., Ltd. (56) References JP-A-62-284896 (JP, A) JP-A-2-47006 (JP, A) JP-A-2-125099 (JP, U) JP-B-48-6222 (JP, B1) (58) Fields investigated (Int. Cl. 7 , DB name) E21D 11/38 E04B 1/66 E04B 1/682 E21D 11/08
Claims (3)
シール材の流入孔内に、注入混合シール材の硬化後埋殺
しされる混合機を設けたことを特徴とする覆工用セグメ
ントのシール材混合装置。1. An injection mixing sealing material is cured and buried in an inflow hole of a sealing material communicating with a sealing groove on an outer periphery of a segment.
Sealing material mixing device lining for segment, characterized in that a mixer is suggested.
或いは回転式であることを特徴とする請求項１に記載の
覆工用セグメントのシール材混合装置。2. The apparatus according to claim 1, wherein a stirring blade inside the mixer is a fixed type or a rotary type.
徴とする請求項２に記載の覆工用セグメントのシール材
混合装置。3. The apparatus according to claim 2, wherein the stirring blade has a ribbon shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15428693A JP3262411B2 (en) | 1993-06-01 | 1993-06-01 | Sealing material mixing device for lining segments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15428693A JP3262411B2 (en) | 1993-06-01 | 1993-06-01 | Sealing material mixing device for lining segments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06341298A JPH06341298A (en) | 1994-12-13 |
| JP3262411B2 true JP3262411B2 (en) | 2002-03-04 |
Family
ID=15580831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15428693A Expired - Fee Related JP3262411B2 (en) | 1993-06-01 | 1993-06-01 | Sealing material mixing device for lining segments |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3262411B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030002956A (en) * | 2001-07-03 | 2003-01-09 | 최춘식 | Method of construction for installing a cut-off pipe in concrete structures |
-
1993
- 1993-06-01 JP JP15428693A patent/JP3262411B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06341298A (en) | 1994-12-13 |
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