JPH0296097A - Tunnel covering mold device - Google Patents
Tunnel covering mold deviceInfo
- Publication number
- JPH0296097A JPH0296097A JP63248589A JP24858988A JPH0296097A JP H0296097 A JPH0296097 A JP H0296097A JP 63248589 A JP63248589 A JP 63248589A JP 24858988 A JP24858988 A JP 24858988A JP H0296097 A JPH0296097 A JP H0296097A
- Authority
- JP
- Japan
- Prior art keywords
- air
- lining
- sheet
- tunnel
- air bags
- 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.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 8
- 238000009415 formwork Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、トンネルの覆工型枠装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a tunnel lining formwork device.
従来のトンネル覆工法は、掘削されたトンネルの覆工壁
面に覆工材料を吹き付けている。The conventional tunnel lining method involves spraying lining material onto the lining wall surface of an excavated tunnel.
吹付工法のため、作業環境が著しく悪くなる問題があっ
た。Due to the spraying method, there was a problem that the working environment was extremely poor.
又吹き付けた覆工材料がはね返るので、覆工材料が無駄
になり、著しいコストの上昇原因となる問題があった。Furthermore, since the sprayed lining material rebounds, there is a problem in that the lining material is wasted and causes a significant increase in costs.
更に吹付工法のため、付着覆工材料の厚みを均一化する
ことができない問題もあった。Furthermore, because of the spraying method, there was also the problem that the thickness of the adhered lining material could not be made uniform.
上記の課題を解決するために、この発明は掘削されたト
ンネルの覆工位置に移動でき、かつトンネル壁の覆工面
に所要間隔を存し並行する表面をもつ移動支持枠と、こ
の支持枠の表面全体に並列状に並べて支持させた多数本
の空気袋と、この並列する全部の空気袋の覆工面側を被
うと共に、空気袋に取付けたシートと、各空気袋にエア
を圧入するよう設けられたエア圧入手段及び空気袋内の
エアを排出するよう設けられたエア排出手段と、シート
とトンネル壁覆工面との間に覆工材料を圧入充填するよ
う設けられた覆工材料圧入口と、上記シートの表面覆工
進行側縁の全長に沿わせて取付けたシール用空気袋とで
構成したものである。In order to solve the above problems, the present invention provides a movable support frame that can be moved to the lining position of an excavated tunnel and has a surface parallel to the lining surface of the tunnel wall at a required interval, and A large number of air bags are arranged and supported in parallel over the entire surface, and a sheet that covers the lining side of all the air bags in parallel and is attached to the air bags, and a sheet that presses air into each air bag. An air press-in means provided, an air discharge means provided to discharge air in the air bag, and a lining material press-in port provided to press-fill lining material between the sheet and the tunnel wall lining surface. and a sealing air bag attached along the entire length of the surface lining advancing side edge of the sheet.
掘削されたトンネルの覆工位置迄支持枠を移動させたの
ち、各空気袋にエアを圧入して上記空気袋を膨出させる
。After the support frame is moved to the lining position of the excavated tunnel, air is pressurized into each air bag to inflate the air bag.
次いで圧入口からトンネル壁とシートとの間隙に覆工材
料を圧入する
上記覆工材料が硬化すると、空気袋のエアを排出して覆
工壁からシール用空気袋及びシートを遊離させる。Next, a lining material is press-fitted into the gap between the tunnel wall and the sheet through the press-in port. When the lining material hardens, the air in the air bag is discharged to release the sealing air bag and the sheet from the lining wall.
図において、１は掘削されたトンネルＡの覆工位置に移
動でき、かつトンネルへの壁の覆工面ａに所定の間隔を
存して並行する表面をもつ移動支持枠である。In the figure, reference numeral 1 denotes a movable support frame which can be moved to the lining position of an excavated tunnel A and has a surface parallel to the lining surface a of the wall to the tunnel at a predetermined interval.
上記支持枠１の移動は、図示の場合トンネルＡ内の地面
に二条の並行するレール２を敷設して、このレール２に
車輪３を乗り込まゼで走行させるようになっている。In order to move the support frame 1, as shown in the figure, two parallel rails 2 are laid on the ground inside the tunnel A, and the wheels 3 are mounted on these rails 2 and run on the ground.
又支持枠１の表面全体には、並列状に並べて支持させた
多数本の空気袋４が設けられている。Further, on the entire surface of the support frame 1, a large number of air bags 4 are arranged and supported in parallel.
上記の各空気袋４のエアホース５は、コンプレッサー６
の分配器７と、バキュームポンプ８の分配器９に接続さ
れ、上記コンプレッサー６の運転によりエアを圧入して
それぞれの空気袋４をふくらませたり、バキュームポン
プ８の運転により各空気袋４内のエアを排出するように
なっている。The air hose 5 of each air bag 4 mentioned above is connected to the compressor 6
It is connected to the distributor 7 of the vacuum pump 8 and the distributor 9 of the vacuum pump 8, and when the compressor 6 is operated, air is injected to inflate each air bag 4, and when the vacuum pump 8 is operated, the air inside each air bag 4 is inflated. It is designed to emit.
更に上記並べられた各空気袋４の覆工面ａ側は、−枚の
シート１０により被われている。Furthermore, the lining surface a side of each of the air bags 4 arranged above is covered with - sheets 10.
上記シーＩ・１０の取付は方法は、シート１０と各空気
袋４との重なり部分を縫着や接着等で固着し、又シート
１０の両側辺を両側最下位に位置する空気袋４と支持枠
１との間に折り込むと共に、上記支持枠１に折り込み部
分を接着等で固着したが、その他の方法を行なってもよ
い。The above Seat I 10 is installed by fixing the overlapping parts of the sheet 10 and each air bag 4 by sewing or gluing, and supporting both sides of the sheet 10 with the air bags 4 located at the lowest position on both sides. Although the folded portion is folded in between the frame 1 and the folded portion is fixed to the support frame 1 by adhesive or the like, other methods may be used.
又シート１０の表面覆工進行方向側縁の全長には、シー
ル用空気袋１１が設けられている。Further, a sealing air bag 11 is provided along the entire length of the side edge of the sheet 10 in the direction in which the surface lining advances.
上記シール用空気袋１１には、上述と同様にエアホース
５を介しエアが圧入される。Air is pressurized into the sealing air bag 11 via the air hose 5 in the same manner as described above.
更にシート１０と覆工面ａとの間には、圧入口１２から
覆工材料１５が圧入される。Further, a lining material 15 is press-fitted between the sheet 10 and the lining surface a through the press-in port 12.
上記の圧入口１２は、シート１０に先端を貫通させて所
要の空気袋４間に配置され、ポンプ１３から各分岐パイ
プ１４をへてコンクリートが供給されている。The above-mentioned pressure inlet 12 has its tip penetrated through the sheet 10 and is disposed between the required air bags 4, and concrete is supplied from the pump 13 through each branch pipe 14.
なお、空気袋４は、第３図に示す円形以外に第４図に示
す四角形を用いてもよい。Note that the air bag 4 may have a rectangular shape shown in FIG. 4 instead of the circular shape shown in FIG. 3.
又複数本の並列する空気袋４を集合シートで（図示省略
）被って、これを支持枠１の表面に並べ、そしてシート
１０で全体をを被ってもよい。Alternatively, a plurality of parallel air bags 4 may be covered with a collective sheet (not shown), arranged on the surface of the support frame 1, and then covered entirely with the sheet 10.
次に上記構成の型枠装置を用いたトンネル覆工方法を説
明する。Next, a tunnel lining method using the formwork apparatus having the above configuration will be explained.
掘削されたトンネルへの覆工面ａの位置迄支持枠１を前
進させたのち、コンプレッサー６を運転して各空気袋４
にエアを圧入する。After advancing the support frame 1 to the position of the lining surface a to the excavated tunnel, the compressor 6 is operated to compress each air bag 4.
Press air into.
又シール用空気袋１１にもエアを圧入して、覆工面ａに
上記シール用空気袋１１を押し付ける。Air is also pressurized into the sealing air bag 11 to press the sealing air bag 11 against the lining surface a.
その後にポンプ１３を運転してパイプ１４から圧入口１
２をへてシート１０と覆工面ａとの間隙に覆工材料１５
を圧入充填する。After that, operate the pump 13 and connect the pipe 14 to the pressure inlet 1.
Lining material 15 is applied to the gap between the sheet 10 and the lining surface a through the
Press-fit and fill.
上記圧入充填された覆工材料１５が硬化すると、バキュ
ームポンプ８を運転して各空気袋４内のエアを排出しな
がら上記空気袋４を収縮させ、そして硬化覆工材料１５
からシート１０を剥離する。When the press-filled lining material 15 is cured, the vacuum pump 8 is operated to discharge the air in each air bag 4 and the air bags 4 are contracted, and the hardened lining material 15 is
The sheet 10 is peeled off.
以上のように、この発明に係るトンネル覆工型枠装置に
よれば、掘削されたトンネルの覆工位置に移動できる支
持枠に並列する多数本の空気袋と、この並べた空気袋の
覆工側を被う一枚のシートと、このシートの表面覆工進
行方向側縁の全長に取付けたシール用空気袋とで型枠を
構成するので、型枠の搬入並びに組立て分解作業が不要
になり、特にシートと覆工面との間に覆工材料を圧入充
填したのち、空気袋のエア圧を上昇させて覆工面に覆工
材料を押し付けることができるので、覆工材料の密着性
を向上させることができる。As described above, according to the tunnel lining formwork device according to the present invention, a large number of air bags are arranged in parallel on a support frame that can be moved to the lining position of an excavated tunnel, and the lining of the air bags is arranged in parallel. The formwork is made up of a sheet that covers the sides and a sealing air bag attached to the entire length of the side edge of this sheet in the direction in which the surface lining is progressing, so there is no need to transport the formwork or assemble or disassemble it. In particular, after press-filling the lining material between the sheet and the lining surface, the air pressure in the air bag can be increased to press the lining material against the lining surface, improving the adhesion of the lining material. be able to.
又シー１−により覆工材料の表面を略平滑にすることが
できる。Moreover, the surface of the lining material can be made substantially smooth by the sear 1-.
更にシートに各空気袋を取（」げであるので、各空気袋
のエアを排出すると、覆工材料からシートを容易に剥離
することができる。Furthermore, since each air bag is attached to the sheet, the sheet can be easily peeled off from the lining material by discharging the air from each air bag.
図面はこの発明に係る型枠装置の実施例を示すもので、
第１図は縦断側面図、第２図は同縦断正面図、第３図及
び第４図は空気袋の縦断正面図である。
Ａ・・・・・・トンネル、 ａ・・・・・・覆工面
、１・・・・・・支持枠、 ４・・・・・・空気
袋、５・・・・・・エアホース、 ６・・・・・・コ
ンプレッサー８・・・・・・バキュームポンプ、
１０・・・・・・シート、 １１・・・・・・シ
ール用空気袋、１２・・・・・・圧入口。
第１図
第３図The drawings show an embodiment of the formwork device according to the present invention.
FIG. 1 is a vertical side view, FIG. 2 is a vertical front view, and FIGS. 3 and 4 are vertical front views of the air bag. A... Tunnel, a... Lining surface, 1... Support frame, 4... Air bag, 5... Air hose, 6. ... Compressor 8 ... Vacuum pump, 10 ... Seat, 11 ... Seal air bag, 12 ... Pressure inlet. Figure 1 Figure 3
Claims (1)
トンネル壁の覆工面に所要間隔を存し並行する表面をも
つ移動支持枠と、この支持枠の表面全体に並列状に並べ
て支持させた多数本の空気袋と、この並列する全部の空
気袋の覆工面側を被うと共に、空気袋に取付けたシート
と、各空気袋にエアを圧入するよう設けられたエア圧入
手段及び空気袋内のエアを排出するよう設けられたエア
排出手段と、シートとトンネル壁覆工面との間に覆工材
料を圧入充填するよう設けられた覆工材料圧入口と、上
記シートの表面覆工進行側縁の全長に沿わせて取付けた
シール用空気袋とから成るトンネル覆工型枠装置。(1) A movable support frame that can be moved to the lining position of an excavated tunnel and has a surface parallel to the lining surface of the tunnel wall at a required interval, and a movable support frame that is supported in parallel across the entire surface of the support frame. a large number of air bags, a sheet that covers the lining side of all the air bags arranged in parallel and is attached to the air bags, and an air press-fitting means and air bag provided to press air into each air bag. an air discharge means provided to discharge air in the tunnel; a lining material injection port provided to press-fill lining material between the sheet and the tunnel wall lining surface; and a surface lining of the sheet. A tunnel lining formwork device consisting of a sealing air bag installed along the entire length of the side edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63248589A JPH0296097A (en) | 1988-09-30 | 1988-09-30 | Tunnel covering mold device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63248589A JPH0296097A (en) | 1988-09-30 | 1988-09-30 | Tunnel covering mold device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0296097A true JPH0296097A (en) | 1990-04-06 |
Family
ID=17180370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63248589A Pending JPH0296097A (en) | 1988-09-30 | 1988-09-30 | Tunnel covering mold device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0296097A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559893A (en) * | 1991-08-29 | 1993-03-09 | Gifu Kogyo Kk | Construction joint face closing device for tunnel |
| JPH0771196A (en) * | 1993-09-01 | 1995-03-14 | Kajima Corp | Form device for tunnel lining |
| CN105673039A (en) * | 2016-02-02 | 2016-06-15 | 安徽理工大学 | Gob-side entryretaining roadway-side flexible and high-strength material bearing construction structure and construction method thereof |
| CN107165653A (en) * | 2017-06-29 | 2017-09-15 | 西南交通大学 | A kind of Rock-burst in Underground Rock Engineering geological disaster passively prevents and treats equipment and its application method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173498A (en) * | 1983-03-18 | 1984-10-01 | 鉄建建設株式会社 | Method of primary lining construction of tunnel |
| JPS61274099A (en) * | 1985-05-30 | 1986-12-04 | 岐阜工業株式会社 | Air bulk head |
-
1988
- 1988-09-30 JP JP63248589A patent/JPH0296097A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173498A (en) * | 1983-03-18 | 1984-10-01 | 鉄建建設株式会社 | Method of primary lining construction of tunnel |
| JPS61274099A (en) * | 1985-05-30 | 1986-12-04 | 岐阜工業株式会社 | Air bulk head |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0559893A (en) * | 1991-08-29 | 1993-03-09 | Gifu Kogyo Kk | Construction joint face closing device for tunnel |
| JPH0771196A (en) * | 1993-09-01 | 1995-03-14 | Kajima Corp | Form device for tunnel lining |
| CN105673039A (en) * | 2016-02-02 | 2016-06-15 | 安徽理工大学 | Gob-side entryretaining roadway-side flexible and high-strength material bearing construction structure and construction method thereof |
| CN107165653A (en) * | 2017-06-29 | 2017-09-15 | 西南交通大学 | A kind of Rock-burst in Underground Rock Engineering geological disaster passively prevents and treats equipment and its application method |
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