JPH0619673Y2 - Formwork for tunnel work - Google Patents
Formwork for tunnel workInfo
- Publication number
- JPH0619673Y2 JPH0619673Y2 JP810488U JP810488U JPH0619673Y2 JP H0619673 Y2 JPH0619673 Y2 JP H0619673Y2 JP 810488 U JP810488 U JP 810488U JP 810488 U JP810488 U JP 810488U JP H0619673 Y2 JPH0619673 Y2 JP H0619673Y2
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- tunnel
- mold
- molds
- face
- 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
Description
【考案の詳細な説明】 ＜産業上の利用分野＞ 本考案は、型枠を効率良く移送できる移送機能を有する
トンネル覆工用型枠に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a tunnel lining formwork having a transfer function capable of efficiently transferring the formwork.
＜従来の技術＞ 掘削直後の孔内で型枠を組み、コンクリートを打設して
トンネルを構築する技術は広く知られている。<Prior Art> A technique of forming a tunnel in a hole immediately after excavation and placing concrete to construct a tunnel is widely known.
また、これらの型枠は走行機能を有する架台に拡縮自在
に装備されたものの他、ボルト止めして使用する複数の
分割体からなる型枠が知られている。In addition to these molds, which are mounted on a pedestal having a traveling function so as to be expandable and contractible, a mold composed of a plurality of divided bodies used by bolting is known.
＜本考案が解決しようとする問題点＞ 従来の型枠のうち分割式の型枠は、脱型したものを切羽
側へ運搬して再使用している。<Problems to be solved by the present invention> Among the conventional formwork, the split type formwork is used by transporting the demolded formwork to the face of the face.
現在、脱型した型枠は人力で移送する方法と、台車に載
置して移送する方法が採用されているが、前者の移送方
法にあっては労働者の疲労度が大きく、また後者の移送
方法の場合はトンネル内が狭小である場合には採用でき
ないという不都合がある。At present, the method of transferring the demolded formwork manually and the method of placing it on a trolley and transferring it are adopted, but in the former transfer method, the degree of fatigue of workers is large, and in the latter case, The transfer method has a disadvantage that it cannot be used when the inside of the tunnel is narrow.
＜本考案の目的＞ 本考案は、以上の点に鑑みなされたもので分割式の型枠
を用いてトンネル躯体を構築するに当たり、これらの各
分割式の型枠を切羽側に容易に移送できる、トンネル覆
工用型枠を提供することを目的とする。<Purpose of the present invention> The present invention has been made in view of the above points, and when constructing a tunnel skeleton by using split molds, each of these split molds can be easily transferred to the face face. , It is intended to provide a formwork for a tunnel lining.
＜本考案の構成＞ 以下、図面を参照しながら本考案の一実施例について説
明する。<Structure of the Invention> Hereinafter, an embodiment of the invention will be described with reference to the drawings.
（イ）型枠 第１、２図に本考案に係る型枠１の一例を示す。(B) Formwork FIGS. 1 and 2 show an example of the formwork 1 according to the present invention.
この型枠１は、トンネルの最頂部を覆工する頂部型枠１
ａと、頂部型枠１ａの両側に続く二枚の上部型枠１ｂ
と、トンネルの側部を施工する二枚の側部型枠１ｃと、
トンネルの最下部を施工する下部型枠１ｄの複数の湾曲
板からなる。This formwork 1 is a top formwork 1 that covers the top of the tunnel.
a and two upper molds 1b which are connected to both sides of the top mold 1a
And two side formwork 1c for constructing the side part of the tunnel,
It is composed of a plurality of curved plates of the lower formwork 1d for constructing the bottom of the tunnel.
各型枠１ａ〜１ｄは例えば鋼製からなり、各型枠１ａ〜
１ｄの周縁の各フランジ１ｅに締結用のボルト孔１ｆが
開設してある。Each of the molds 1a to 1d is made of, for example, steel, and each of the molds 1a to 1d
A bolt hole 1f for fastening is formed in each flange 1e at the periphery of 1d.
本実施例では円環形の型枠１を六分割体で構成する場合
について説明するが、型枠１が六分割体以下或はそれ以
上で構成する場合であっても良い。In this embodiment, the case where the ring-shaped mold 1 is composed of six divided bodies will be described, but the case where the mold 1 is composed of six divided bodies or less or more may be used.
また、何れかの適当な型枠１ａ〜１ｄには、地山との間
にコンクリートを充填するための注入口が設けられてい
る。Further, any suitable formwork 1a to 1d is provided with an injection port for filling concrete with the ground.
（ロ）下部型枠（第２、３図） 型枠１の一部を構成する下部型枠１ｄの内周には、複数
の搬送用ローラ２が突設されている。(B) Lower Formwork (FIGS. 2 and 3) A plurality of transport rollers 2 are provided on the inner periphery of the lower formwork 1d forming part of the formwork 1.
この搬送用ローラ２は、トンネルの軸心線に沿って回転
する構造を有している。The transport roller 2 has a structure that rotates along the axis of the tunnel.
すなわち搬送用ローラ２は、支持体２ａと支持体２ａの
端に回転自在に軸支したローラ２ｂとからなり、支持体
２ａの基端を下部型枠１ｄの補強用リブ１ｇ等に溶接し
て固定してある。That is, the transport roller 2 is composed of a support 2a and a roller 2b rotatably supported on the end of the support 2a. The base end of the support 2a is welded to the reinforcing rib 1g of the lower mold 1d. It is fixed.
また、搬送用ローラ２のトンネル方向へ向けての設置間
隔は、移送予定の分割式の型枠１ａ〜１ｄの全長に応
じ、これらの型枠１ａ〜１ｄが移送中に脱落しない間隔
とする。Further, the installation interval of the transport roller 2 in the tunnel direction is set to an interval in which these formwork frames 1a to 1d do not fall off during the transfer, depending on the total length of the split formwork forms 1a to 1d to be transferred.
＜作用＞ つぎに第１図を基にトンネルの構築方法について説明す
る。<Operation> Next, a method of constructing a tunnel will be described with reference to FIG.
（イ）型枠の組立て 第１図において３はシールドマシンであり、そのテール
部内に型枠１を組み立てるための組立装置４が配備して
ある。(B) Assembling of Formwork In FIG. 1, reference numeral 3 is a shield machine, and an assembling apparatus 4 for assembling the formwork 1 is provided in the tail portion thereof.
この組立装置４は公知のものを使用できる。A known device can be used as the assembling device 4.
図中５は削土排出用のコンベアである。In the figure, 5 is a conveyor for discharging soil.
シールドマシン３の掘進により形成された孔内に、組立
装置４を用いて分割された各型枠１ａ〜１ｄを順次組み
立てる。In the hole formed by the excavation of the shield machine 3, the divided molds 1a to 1d are sequentially assembled using the assembling device 4.
型枠１を組み立て順序を第２図を基に説明すると、スラ
ブ側の下部型枠１ｄを設置した後、下部型枠１ｄの両側
に二枚の側部型枠１ｃを組み上げ、さらに各側部型枠１
ｃの端に二枚の上部型枠１ｂを組み上げ、最後に頂部型
枠１ａを組み付けてリング状に仕上げる。The order of assembling the mold 1 will be described with reference to FIG. 2. After the lower mold 1d on the slab side is installed, two side molds 1c are assembled on both sides of the lower mold 1d, and each side part is further assembled. Formwork 1
Two upper molds 1b are assembled at the end of c, and finally the top mold 1a is assembled to finish in a ring shape.
その結果、筒状の型枠１の底部には、所定の間隔で多数
の搬送用ローラ２がローラコンベアのように位置するこ
とになる。As a result, a large number of conveying rollers 2 are positioned at a predetermined interval on the bottom of the cylindrical formwork 1 like a roller conveyor.
その後、コンクリートの流出を防止した状態で地山と型
枠１間にコンクリートを打設してトンネル躯体６を切羽
側に延長する。After that, concrete is poured between the ground and the formwork 1 while preventing the concrete from flowing out, and the tunnel skeleton 6 is extended to the face of the face.
（ロ）脱型（第１、２図） コンクリートの養生期間を経過したら、後部側の型枠１
を所定のスパン分だけ解体して撤去する。(B) Demolding (Figs. 1 and 2) After the concrete curing period has passed, the rear side mold 1
Is dismantled for a predetermined span and removed.
各型枠１ａ〜１ｄの撤去作業は、作業員の手作業に頼っ
たり、或は公知の型枠解体装置を用いて機械的に行って
も良い。The work of removing each of the molds 1a to 1d may be performed manually by a worker, or may be mechanically performed by using a known mold dismantling device.
型枠１の解体順序は組立時とは逆にまず、頂部型枠１ａ
を抜き取り、以下、二枚の上部型枠１ｂ、二枚の側部型
枠１ｃ、下部型枠１ｄの順序で型枠を抜き取っていく。The disassembling order of the mold 1 is the reverse of the assembling. First, the top mold 1a
Then, the molds are extracted in the order of the two upper molds 1b, the two side molds 1c, and the lower mold 1d.
（ハ）型枠の移送 取り外した型枠１ｄ〜１ａは再使用するため切羽側に移
動する必要がある。(C) Transfer of Form Frame The removed form frames 1d to 1a need to be moved to the cutting face side for reuse.
そこで、一連の下部型枠１ｄに突設した多数の搬送用ロ
ーラ２上に、脱型した型枠１ｄ〜１ａを載置して組立装
置４へ向け順次移送する。Therefore, the demolded molds 1d to 1a are placed on a large number of conveyance rollers 2 protruding from the series of lower molds 1d and sequentially transferred to the assembling apparatus 4.
以上の工程を繰り返しながらトンネル躯体６を延長して
いく。The tunnel frame 6 is extended while repeating the above steps.
＜本考案の効果＞ 本考案は以上説明したようになるからつぎのような効果
を期待することができる。<Effects of the Present Invention> Since the present invention is as described above, the following effects can be expected.
（イ）分割式の型枠を切羽側に移動するに際し、型枠の
底部に突設したローラ群に載置して極めて容易に移送で
きる。(A) When moving the split-type mold to the face of the face, the split-type mold can be placed on a group of rollers protruding from the bottom of the mold and transferred very easily.
（ロ）型枠を切羽側に移動するために専用台車が不要で
あるから、トンネルの内空が狭小であっても、効率良く
移送できる。(B) Since a dedicated carriage is not required for moving the formwork to the face of the face, even if the inner space of the tunnel is narrow, it can be efficiently transferred.
第１図：トンネルの縦断面図 第２図：本考案に係る型枠の斜視図 第３図：下部型枠の断面図 Fig. 1: Vertical sectional view of tunnel Fig. 2: Perspective view of formwork according to the present invention Fig. 3: Sectional view of lower formwork
───────────────────────────────────────────────────── フロントページの続き (72)考案者 高松 伸行 神奈川県横浜市港北区太尾町778―５ (72)考案者 西尾 仁 神奈川県横浜市緑区藤が丘２―３―17 (72)考案者 前田 強司 東京都町田市成瀬１―16―22 (72)考案者 赤澤 正幸 東京都町田市南成瀬１―14―17 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Nobuyuki Takamatsu 778-5, Taio-cho, Kohoku-ku, Yokohama-shi, Kanagawa (72) Creator Hitoshi Nishio 2-3-17 Fujigaoka, Midori-ku, Yokohama-shi, Kanagawa (72) Creator Maeda Koji 1-16-22 Naruse, Machida-shi, Tokyo (72) Inventor Masayuki Akazawa 1-1-14-17 Minami-naruse, Machida, Tokyo
Claims (1)
用型枠において、 型枠の内周面に、トンネルの軸心線に沿って回転可能な
複数の搬送用ローラを設けてなる、 トンネル覆工用型枠。1. A tunnel lining form frame composed of a plurality of curved plate bodies, wherein a plurality of transport rollers rotatable along the axis of the tunnel are provided on the inner peripheral surface of the form frame. Formwork for tunnel lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP810488U JPH0619673Y2 (en) | 1988-01-27 | 1988-01-27 | Formwork for tunnel work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP810488U JPH0619673Y2 (en) | 1988-01-27 | 1988-01-27 | Formwork for tunnel work |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01119492U JPH01119492U (en) | 1989-08-14 |
| JPH0619673Y2 true JPH0619673Y2 (en) | 1994-05-25 |
Family
ID=31213684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP810488U Expired - Lifetime JPH0619673Y2 (en) | 1988-01-27 | 1988-01-27 | Formwork for tunnel work |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619673Y2 (en) |
-
1988
- 1988-01-27 JP JP810488U patent/JPH0619673Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01119492U (en) | 1989-08-14 |
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