JP2700753B2 - Formwork equipment for tunnel lining - Google Patents
Formwork equipment for tunnel liningInfo
- Publication number
- JP2700753B2 JP2700753B2 JP5217485A JP21748593A JP2700753B2 JP 2700753 B2 JP2700753 B2 JP 2700753B2 JP 5217485 A JP5217485 A JP 5217485A JP 21748593 A JP21748593 A JP 21748593A JP 2700753 B2 JP2700753 B2 JP 2700753B2
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- ribs
- tunnel
- steel plate
- tunnel lining
- 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 - Lifetime
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、トンネル施工における
覆工用型枠装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a formwork device for lining in tunnel construction.
【０００２】[0002]
【従来の技術】トンネルの地山をコンクリートで覆工す
るのに一般的な工法はＮＡＴＭ工法を初めとしてその他
に見られるように、型枠不要の吹付け工法で、これはコ
ンクリート吹付けロボットのノズルからコンクリートを
地山に向けて噴射して行っている。2. Description of the Related Art A common method for lining a tunnel ground with concrete is a spraying method that does not require a formwork, such as the NATM method and others. The nozzle sprays concrete toward the ground.
【０００３】[0003]
【発明が解決しようとする課題】かかる吹付け工法で
は、コンクリートのはね返りや地山からの脱落が頻繁に
生じる。そして、この不具合に対処するため、急結性コ
ンクリートを流し込むための種々の型枠装置も提案され
ているが、いずれも構造が複雑で、重量が大きい等、装
置の取扱い性などに問題があった。In such a spraying method, concrete rebounds and falls off the ground frequently occurs. In order to cope with this problem, various formwork devices for pouring quick-setting concrete have been proposed, but all have problems in handling of the devices such as complicated structure and heavy weight. Was.
【０００４】本発明の目的は前記従来例の不都合を解消
し、構造が簡単で、安価であり、しかも、取扱いが簡単
で、作業性が向上するトンネル覆工用型枠装置を提供す
ることにある。An object of the present invention is to provide a formwork apparatus for tunnel lining which solves the above-mentioned disadvantages of the prior art, has a simple structure, is inexpensive, is easy to handle, and has improved workability. is there.
【０００５】[0005]
【課題を解決するための手段】本発明は前記目的を達成
するため、トンネルの周方向形状に合わせて湾曲させた
鋼板の地山側面で前後幅方向に伸びるリブを適宜間隔で
突設し、このリブ同士で区画される空間にエアーバック
を取付け、該エアーバックへのエアー注入孔をこの鋼板
に設けたこと、または、この構成に加えて、鋼板の前面
には妻型枠用リブをリブに直交するものとして立上げた
こと、もしくは、前記構成のいずれかに加えて、トンネ
ルの周方向端部には、鋼板相互をヒンジ結合とした折り
畳み部分を設けること、あるいは、前記構成のいずれか
に加えて、走行装置の伸縮支柱に設けた旋回機構で型枠
全体を支承することを要旨とするものである。According to the present invention, in order to achieve the above object, ribs extending in the front-rear width direction on the ground side surface of a steel plate curved in accordance with the circumferential shape of the tunnel are provided at appropriate intervals, and are provided. An air bag is attached to the space defined by the ribs, and an air injection hole for the air bag is provided in the steel plate. Or in addition to any of the above configurations, the circumferential end of the tunnel may be provided with a folded portion in which steel plates are hinged to each other, or any of the above configurations. In addition to the above, the gist of the invention is that the entire formwork is supported by a turning mechanism provided on a telescopic support column of the traveling device.
【０００６】[0006]
【作用】請求項１記載の本発明によれば、急結性コンク
リートの打設時にはエアーバックへのエアーの供給を行
ってこれを膨らませた状態としておき、コンクリート硬
化後はエアーバックから空気を排出してこれを縮めれば
簡単に脱型することができる。According to the first aspect of the present invention, air is supplied to the air bag when the quick-setting concrete is poured, and the air bag is inflated. After the concrete is hardened, the air is discharged from the air bag. Then, if you shrink it, you can easily remove it.
【０００７】しかも、エアーバックはリブ間の区画され
た空間毎に分割して配設されるもので、各区画毎にエア
ーの供給・排出を行って設置および脱型作用をより確実
なものとすることができる。In addition, the air bag is divided and provided for each of the spaces defined between the ribs, and supplies and discharges air for each of the spaces so that the installation and demolding operations can be performed more reliably. can do.
【０００８】請求項２記載の本発明によれば、前記作用
の作用に加えて、鋼板の前面には妻型枠用リブをリブに
直交するものとして立上げているので、エアーバックを
取付けるための空間がさらに細かく区画され、それだけ
ここに収まるエアーバックも小さくなり、脱型作用をよ
り一層確実にすることができる。According to the second aspect of the present invention, in addition to the above-described operation, the ribs for the formwork are set up on the front surface of the steel plate so as to be orthogonal to the ribs. Is further finely divided, and the airbag that fits therein is reduced accordingly, so that the demolding action can be further ensured.
【０００９】請求項３記載の本発明によれば、前記作用
に加えて、下部の折り畳みで狭いトンネル坑内での移動
を容易にすることができる。According to the third aspect of the present invention, in addition to the above operation, the lower part can be easily moved in a narrow tunnel.
【００１０】請求項４記載の本発明によれば、前記作用
に加えて、脱型した状態でそのまま移行するのに適した
支承状態を維持でき、型枠の配置替えも楽に行うことが
できる。According to the fourth aspect of the present invention, in addition to the above-described operation, it is possible to maintain a support state suitable for shifting to a state in which the mold is removed, and to easily rearrange the form.
【００１１】[0011]
【実施例】以下、本発明の実施例を図面について詳細に
説明する。図１は本発明のコンクリート覆工用型枠装置
の１実施例を示す縦断正面図、図２は縦断側面図、図３
は要部の斜視図である。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a longitudinal sectional front view showing one embodiment of a concrete lining formwork apparatus of the present invention, FIG. 2 is a longitudinal sectional side view, and FIG.
FIG. 3 is a perspective view of a main part.
【００１２】図中１はトンネルの周方向形状に合わせて
湾曲させた鋼板で、図３にも示すようにその地山側面で
前後幅方向に伸びるリブ２を適宜間隔で突設する。In FIG. 1, reference numeral 1 denotes a steel plate curved in accordance with the circumferential shape of the tunnel. As shown in FIG. 3, ribs 2 extending in the front-rear width direction on the side of the ground are projected at appropriate intervals.
【００１３】そしてこのリブ２同士で区画される空間に
エアーバック３を取付け、該エアーバック３へのエアー
注入孔４をこの鋼板１に形成した。このエアー注入孔４
には制御弁６を有する送気ホース５が着脱自在に接続さ
れる。An air bag 3 is mounted in a space defined by the ribs 2, and an air injection hole 4 for the air bag 3 is formed in the steel plate 1. This air injection hole 4
Is connected to an air supply hose 5 having a control valve 6 in a detachable manner.
【００１４】また、鋼板１の前側には妻型枠用リブ２６
を前記リブ２に直交するものとして立上げ、この妻型枠
用リブ２６に間隔を存して前端縁からは隔壁７を立上げ
るが、これはリブ２および妻型枠用リブ２６や膨らませ
たエアーバック３の高さよりも高いものとする。On the front side of the steel plate 1, ribs 26 for the end formwork are provided.
Is raised perpendicularly to the rib 2, and the partition wall 7 is raised from the front edge with a space between the ribs 26 and the ribs 26 and the ribs 26 and the ribs 26. It is assumed that the height is higher than the height of the airbag 3.
【００１５】前記リブ２６と隔壁７の間にコンクリート
打設時妻型枠となるエアバック２５を設けるが、これは
地山と不陸に追従できるように充分な余裕のあるものと
する。このエアバック２５にもエアー注入孔４を設け、
このエアー注入孔４には制御弁６を有する送気ホース５
が着脱自在に接続される。An airbag 25 is provided between the rib 26 and the partition 7 to serve as a formwork when concrete is cast. The airbag 25 has a sufficient margin so that it can follow the ground and uneven ground. This air bag 25 is also provided with an air injection hole 4,
An air supply hose 5 having a control valve 6 is provided in the air injection hole 4.
Are detachably connected.
【００１６】さらに、前記鋼板１のトンネルの周方向端
部には、この鋼板１相互をヒンジ結合８とした折り畳み
部分９を形成し、この折り畳み部分９と他の部分とには
折り畳み用ジャッキ１０を添設した。該折り畳み部分９
の先端には前記隔壁７およびエアバック２５と同程度の
高さの隔壁１１を突設しておく。この隔壁１１はリブ２
と平行するものである。Further, at the circumferential end of the tunnel of the steel plate 1, a folded portion 9 is formed with the steel plate 1 hinged to each other, and a folding jack 10 is formed between the folded portion 9 and the other portions. Was attached. The folded part 9
A partition 11 having a height substantially equal to that of the partition 7 and the airbag 25 is protruded from the tip of the partition. This partition 11 is rib 2
Is parallel to
【００１７】一方、図中１２は履帯等を有する走行装置
であり、ベースマシンとしてアウトリガー１３、油圧ユ
ニット１４、ステーシリンダー１５で傾倒自在な伸縮支
柱（テレスコピックアーム）１６を有するが、この伸縮
支柱１６の上端に調整用シリンダー１７により傾倒自在
な支持台１８を設け、この支持台１８上に設けた旋回機
構１９を介して前記鋼板１を含む型枠全体の中央部を支
承するようにした。これに加えて、シリンダータイプの
サポート２３を走行装置１２と鋼板１間に掛け渡すよう
にする。On the other hand, reference numeral 12 in the figure denotes a traveling device having crawler belts and the like, which has an outrigger 13, a hydraulic unit 14, and a telescopic arm (telescopic arm) 16 tiltable by a stay cylinder 15 as a base machine. A support table 18 is provided at the upper end of the table 1 and can be tilted by an adjusting cylinder 17. The center of the entire form including the steel plate 1 is supported via a turning mechanism 19 provided on the support table 18. In addition to this, a cylinder type support 23 is bridged between the traveling device 12 and the steel plate 1.
【００１８】前記旋回機構１９の支承部はスイベル２０
として構成し、ここにコンクリートの注入ホース２１を
接続するとともに、このスイベル２０は鋼板１の地山側
の面へ形成したコンクリート注入孔２２に連通させる。A support portion of the turning mechanism 19 is a swivel 20
The swivel 20 is connected to a concrete pouring hole 22 formed in the ground side surface of the steel plate 1 while a concrete pouring hose 21 is connected thereto.
【００１９】次に使用法および動作について説明する。
型枠をセットするには折り畳み用ジャッキ１０は伸ばし
て折り畳み部分９は畳まない状態としておく。また、サ
ポート２３で鋼板１の全体を支承し、さらに、送気ホー
ス５によりエアーバック３およびエアーバック２５に圧
搾空気を送り込んでこれを膨らませる。Next, usage and operation will be described.
In order to set the mold, the folding jack 10 is extended and the folded portion 9 is not folded. The support 23 supports the entire steel plate 1, and the compressed air is supplied to the airbag 3 and the airbag 25 by the air supply hose 5 to expand the compressed air.
【００２０】このようにしてから、注入ホース２１から
コンクリート注入孔２２を介して急結性コンクリート２
４をエアーバック３と地山との隙間に流し込めば、これ
が下方へ流れ、トンネルの周方向端部から徐々に充填さ
れていく。その際、この急結性コンクリート２４はエア
ーバック２５や隔壁１１で止められて型枠外へ流れ出す
ことはない。After this, the quick-setting concrete 2 is injected from the injection hose 21 through the concrete injection hole 22.
When the air 4 flows into the gap between the airbag 3 and the ground, it flows downward and is gradually filled from the circumferential end of the tunnel. At this time, the quick-setting concrete 24 is stopped by the airbag 25 and the partition 11 and does not flow out of the formwork.
【００２１】この急結性コンクリート２４が硬化したな
らば、制御弁６を開いてエアーバック３および２５内の
空気を抜き、これを縮める。その結果、エアーバック３
および２５はコンクリート面から剥離し、さらに、伸縮
支柱１６やサポート２３を縮めて脱型を行う。また、折
り畳み用ジャッキ１０を縮めれば、折り畳み部分９を畳
むことができる。When the quick-setting concrete 24 has hardened, the control valve 6 is opened to release the air in the airbags 3 and 25 and to shrink it. As a result, airbag 3
And 25 are peeled off from the concrete surface, and furthermore, the telescopic support 16 and the support 23 are contracted and the mold is removed. Further, if the folding jack 10 is contracted, the folded portion 9 can be folded.
【００２２】そして、旋回機構１９で型枠全体の向きを
約９０゜回転し、狭いトンネル内でもぶつからないよう
にしてから他所へ移動させる。Then, the entire form is rotated by about 90 ° by the turning mechanism 19 so that the form can be prevented from hitting even in a narrow tunnel and then moved to another place.
【００２３】[0023]
【発明の効果】以上述べたように本発明のトンネル覆工
用型枠装置は、構造が簡単で、安価であり、しかも、取
扱いが簡単で、作業性が向上するものである。As described above, the formwork device for tunnel lining according to the present invention has a simple structure, is inexpensive, is easy to handle, and has improved workability.
【図１】本発明のトンネル覆工用型枠装置の１実施例を
示す縦断正面図である。FIG. 1 is a vertical sectional front view showing an embodiment of a tunnel lining formwork device of the present invention.
【図２】本発明のトンネル覆工用型枠装置の１実施例を
示す縦断側面図である。FIG. 2 is a longitudinal sectional side view showing one embodiment of the formwork device for tunnel lining according to the present invention.
【図３】本発明のトンネル覆工用型枠装置の１実施例を
示す要部の斜視図である。FIG. 3 is a perspective view of a main part showing one embodiment of a tunnel lining formwork device of the present invention.
１…鋼板 ２…リブ ３…エアーバック ４…エアー注入孔 ５…送気ホース ６…制御弁 ７…隔壁 ８…ヒンジ結合 ９…折り畳み部分 １０…折り畳み用ジ
ャッキ １１…隔壁 １２…走行装置 １３…アウトリガー １４…油圧ユニッ
ト １５…ステーシリンダー １６…伸縮支柱 １７…調整用シリンダー １８…支持台 １９…旋回機構 ２０…スイベル ２１…注入ホース ２２…コンクリー
ト注入孔 ２３…サポート ２４…急結性コン
クリート ２５…エアーバック ２６…妻型枠用リ
ブDESCRIPTION OF SYMBOLS 1 ... Steel plate 2 ... Rib 3 ... Air bag 4 ... Air injection hole 5 ... Air supply hose 6 ... Control valve 7 ... Partition wall 8 ... Hinge connection 9 ... Folding part 10 ... Folding jack 11 ... Partition wall 12 ... Traveling device 13 ... Outrigger DESCRIPTION OF SYMBOLS 14 ... Hydraulic unit 15 ... Stay cylinder 16 ... Telescopic strut 17 ... Adjustment cylinder 18 ... Support base 19 ... Swivel mechanism 20 ... Swivel 21 ... Injection hose 22 ... Concrete injection hole 23 ... Support 24 ... Quick setting concrete 25 ... Air bag 26 ... Wife formwork rib
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大友 忠典 東京都調布市飛田給二丁目19番１号 鹿 島建設株式会社 技術研究所内 (72)発明者 牟田 潤 宮城県仙台市青葉区二日町１番27号 鹿 島建設株式会社 東北支店内 (72)発明者 山田 謙二 宮城県仙台市青葉区二日町１番27号 鹿 島建設株式会社 東北支店内 (56)参考文献 特開 平２−96097（ＪＰ，Ａ) ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tadanori Otomo 2-9-1, Tobita-Shi, Chofu-shi, Tokyo Kashima Construction Co., Ltd. Technical Research Institute (72) Inventor Jun Muta 1 Fukamachi, Aoba-ku, Sendai, Miyagi Prefecture No. 27, Kashima Construction Co., Ltd., Tohoku Branch (72) Inventor Kenji Yamada Kenji, Aiba-ku, Sendai, Miyagi Prefecture 1-27-1, Kashima Construction Co., Ltd., Tohoku Branch (56) References JP-A-2-96097 (JP, A)
Claims (4)
せた鋼板の地山側面で前後幅方向に伸びるリブを適宜間
隔で突設し、このリブ同士で区画される空間にエアーバ
ックを取付け、該エアーバックへのエアー注入孔をこの
鋼板に設けたことを特徴とするトンネル覆工用型枠装
置。Claims: 1. Ribs extending in the front-rear width direction on the ground side of a steel plate curved in accordance with the circumferential shape of a tunnel are protruded at appropriate intervals, and an air bag is attached to a space defined by the ribs. A formwork apparatus for tunnel lining, wherein an air injection hole for the airbag is provided in the steel plate.
交するものとして立上げた請求項１記載のトンネル覆工
用型枠装置。2. The formwork device for tunnel lining according to claim 1, wherein ribs for the formwork are set up on the front surface of the steel plate so as to be orthogonal to the ribs.
ヒンジ結合とした折り畳み部分を設ける請求項１または
請求項２記載のトンネル覆工用型枠装置。3. The formwork device for tunnel lining according to claim 1, wherein a folded portion is provided at a circumferential end of the tunnel with hinged steel plates.
型枠全体を支承する請求項１乃至請求項３のいずれかに
記載のトンネル覆工用型枠装置。4. The formwork device for tunnel lining according to claim 1, wherein the entire formwork is supported by a turning mechanism provided on a telescopic support of the traveling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5217485A JP2700753B2 (en) | 1993-09-01 | 1993-09-01 | Formwork equipment for tunnel lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5217485A JP2700753B2 (en) | 1993-09-01 | 1993-09-01 | Formwork equipment for tunnel lining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0771196A JPH0771196A (en) | 1995-03-14 |
| JP2700753B2 true JP2700753B2 (en) | 1998-01-21 |
Family
ID=16704982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5217485A Expired - Lifetime JP2700753B2 (en) | 1993-09-01 | 1993-09-01 | Formwork equipment for tunnel lining |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2700753B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100953494B1 (en) * | 2009-09-23 | 2010-04-16 | 진명구 | Front mold for tunnel of concrete working |
| CN106050272B (en) * | 2016-07-25 | 2017-12-08 | 中车建设工程有限公司 | Multifunctional rack for installing lining steel bars and laying waterproof boards special for tunnels |
| KR101987984B1 (en) * | 2017-08-21 | 2019-06-12 | 삼성중공업 주식회사 | Apparatus for reducing flooding for ship |
| CN116792131B (en) * | 2023-08-23 | 2023-10-20 | 吉林蛟河抽水蓄能有限公司 | Tunnel supporting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6424996A (en) * | 1987-07-21 | 1989-01-26 | Mitsui Constr | Lining constructing device |
| JPH0296097A (en) * | 1988-09-30 | 1990-04-06 | Morimotogumi:Kk | Tunnel covering mold device |
-
1993
- 1993-09-01 JP JP5217485A patent/JP2700753B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0771196A (en) | 1995-03-14 |
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