JP2578319B2 - Method and apparatus for manufacturing centrifugally formed concrete liner - Google Patents
Method and apparatus for manufacturing centrifugally formed concrete linerInfo
- Publication number
- JP2578319B2 JP2578319B2 JP9006694A JP9006694A JP2578319B2 JP 2578319 B2 JP2578319 B2 JP 2578319B2 JP 9006694 A JP9006694 A JP 9006694A JP 9006694 A JP9006694 A JP 9006694A JP 2578319 B2 JP2578319 B2 JP 2578319B2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- mold
- liner
- curvature
- centrifugal
- 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
Description
【０００１】[0001]
【産業上の利用分野】本発明は遠心成形コンクリートラ
イナの製造方法及びその装置に関するものである。特
に、密閉型枠を用いることによって、孔径の異なるトン
ネルに用いる異径のコンクリートライナを、同一の遠心
成形ドラムで製造することを可能とする技術に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for manufacturing a centrifugally formed concrete liner. In particular, the present invention relates to a technique that enables the use of the same centrifugal forming drum to produce concrete liners of different diameters used for tunnels having different hole diameters by using a closed mold.
【０００２】[0002]
【従来の技術】本発明者らは円弧状の型枠を遠心成形ド
ラム内面に取り付けて円弧板状の遠心成形トンネルライ
ナを製造する技術を提案している。この技術は密閉型枠
を用い、この中にコンクリートを充填して一度振動締固
めした後、遠心成形ドラム内に取付けて製造する技術で
ある。2. Description of the Related Art The present inventors have proposed a technique for manufacturing an arc-plate-shaped centrifugal molding tunnel liner by attaching an arc-shaped mold to the inner surface of a centrifugal molding drum. This technology uses a closed mold, fills it with concrete, compacts it once by vibration, and installs it in a centrifugal forming drum.
【０００３】[0003]
【発明が解決しようとする課題】上記技術は、製造すべ
きトンネルライナの直径に応じて遠心成形ドラムを準備
する必要がある。本発明は、直径が異なるトンネルライ
ナを同一の遠心成形ドラムで製造する方法及び装置を提
供することを目的とする。The above technique requires that a centrifugal forming drum be prepared according to the diameter of the tunnel liner to be manufactured. An object of the present invention is to provide a method and an apparatus for manufacturing tunnel liners having different diameters on the same centrifugal forming drum.
【０００４】[0004]
【課題を解決するための手段】本発明は、円弧板状コン
クリートライナを遠心成形により製造するに当り、密閉
構造の型枠を遠心成形ドラムに取り付け、コンクリート
を該型枠内に充填し、遠心成形後、コンクリートライナ
内面側を面仕上することを特徴とする遠心成形コンクリ
ートライナの製造方法である。この場合に、前記円弧板
状コンクリートライナは、曲率半径の異なる複数種類の
ライナとし、それぞれ同一の遠心成形ドラムに取り付け
ることができ好都合である。According to the present invention, in manufacturing an arc-plate-shaped concrete liner by centrifugal molding, a mold having a closed structure is attached to a centrifugal molding drum, concrete is filled in the mold, and centrifugal molding is performed. A method for producing a centrifugally molded concrete liner, comprising finishing the inside of the concrete liner after molding. In this case, the arc-shaped plate-shaped concrete liner is a plurality of types of liners having different radii of curvature, which can be conveniently attached to the same centrifugal forming drum.
【０００５】上記遠心成形コンクリートライナの製造方
法を好適に実施することができる本発明の装置として、
曲率半径の異なる複数種類の型枠であって、コンクリー
ト供給口、空気抜口を備えると共に内径側せき板を着脱
自在とし、かつ、一定直径の遠心成形ドラムに取付ける
取付部を有する密閉型枠からなることを特徴とする遠心
成形コンクリートライナの製造装置を提供する。[0005] As an apparatus of the present invention which can suitably carry out the method for producing a centrifugally formed concrete liner,
A plurality of types of molds having different radii of curvature, comprising a concrete supply port, an air vent, a detachable inner diameter side weir, and a closed form having an attachment portion attached to a centrifugal forming drum having a constant diameter. An apparatus for manufacturing a centrifugally formed concrete liner is provided.
【０００６】[0006]
【作用】本発明は密閉構造の円弧状型枠を用いる。そし
て、その中にコンクリートを充填して遠心成形を行う。
この場合、遠心成形ドラムの直径とトンネルライナの直
径とがマッチしておれば、厚さが一様の密実なコンクリ
ート製品を製造することができるが、マッチしていない
と、厚さが一様とならない。According to the present invention, an arc-shaped form having a closed structure is used. Then, concrete is filled therein and centrifugal molding is performed.
In this case, if the diameter of the centrifugal forming drum and the diameter of the tunnel liner match, a concrete product having a uniform thickness can be manufactured. It doesn't work.
【０００７】そこで本発明では密閉した型枠内にコンク
リートを充填して遠心成形し、直径がマッチしていなく
ても型枠に倣ったコンクリート製品を強制的に型枠内に
形成させる。従って、本発明によれば、直径の異なるト
ンネルライナを製造する場合に１種類の遠心成形ドラム
で製造することができる。そして、内面側を面仕上げす
ることによって立派な製品を得ることができる。Therefore, in the present invention, concrete is filled in a closed mold and subjected to centrifugal molding, and even if the diameter does not match, a concrete product following the mold is forcibly formed in the mold. Therefore, according to the present invention, when manufacturing tunnel liners having different diameters, it is possible to manufacture with one kind of centrifugal forming drum. Then, a fine product can be obtained by finishing the inner surface.
【０００８】[0008]
【実施例】図１に本発明の実施例の型枠１を示した。こ
の型枠１は、コンクリート製品を製造する空洞部２の６
面を形成する堰板すなわち、底板３、４枚の側板４、蓋
板５を備えている。そして、遠心成形ドラムに取付ける
取付部６が底部に取付けられている。取付部６は遠心成
形ドラムの内径に合致した曲率半径を有する。この曲率
半径は、型枠１底板３とは一致しない。すなわち底板３
は、製造すべきコンクリート製品の曲率半径と一致して
いる。つまり、同一の遠心成形ドラムで複数種類の、曲
率半径の異なるコンクリート製品を製造することができ
る。蓋板５は、型枠本体と着脱自在に構成され、取付部
５１を備えている。また蓋板５にはコンクリート供給口
５２、空気抜き孔５３を設けてある。FIG. 1 shows a mold 1 according to an embodiment of the present invention. The form 1 is provided with a cavity 6 for manufacturing a concrete product.
It has a weir plate forming a surface, that is, a bottom plate 3, four side plates 4, and a cover plate 5. Then, an attachment portion 6 attached to the centrifugal forming drum is attached to the bottom. The mounting portion 6 has a radius of curvature matching the inner diameter of the centrifugal forming drum. This radius of curvature does not coincide with the bottom plate 3 of the mold 1. That is, the bottom plate 3
Corresponds to the radius of curvature of the concrete product to be manufactured. That is, a plurality of types of concrete products having different radii of curvature can be manufactured with the same centrifugal forming drum. The cover plate 5 is configured to be detachable from the mold body and includes a mounting portion 51. The cover plate 5 is provided with a concrete supply port 52 and an air vent hole 53.
【０００９】図２は、曲率半径ｒ1 が小さい型枠１ａ
を、曲率半径Ｒの遠心成形ドラム１０に取付けた状態を
示すものである。この場合遠心成形されるコンクリート
製品２０は遠心成形ドラムの曲率半径Ｒに倣って成形さ
れるから、内面の両端側が曲率半径が大きくなるように
遠心力が作用する傾向となる。型枠１ａは密閉型なの
で、コンクリート２０は強制的に型枠１ａの空洞に倣っ
て成形される。[0009] Figure 2 is smaller mold 1a is the radius of curvature r 1
Is attached to a centrifugal forming drum 10 having a radius of curvature R. In this case, since the concrete product 20 to be centrifugally molded is formed in accordance with the radius of curvature R of the centrifugal molding drum, the centrifugal force tends to act so that both ends of the inner surface have a large radius of curvature. Since the mold 1a is a closed mold, the concrete 20 is forcibly formed following the cavity of the mold 1a.
【００１０】図３は、曲率半径ｒ2 が大きい型枠１ｂ
を、曲率半径Ｒの遠心成形ドラム１０に取付けた状態を
示すものである。この場合遠心成形されるコンクリート
製品２１は遠心成形ドラムの曲率半径Ｒに倣って成形さ
れるから、内面の中央部が曲率半径が小さくなるように
遠心力が作用する傾向となるが、実際は型枠１ｂが密閉
型なので、コンクリート２１は強制的に型枠１ｂの空洞
に倣って成形される。[0010] Figure 3 is a curvature radius r 2 is greater mold 1b
Is attached to a centrifugal forming drum 10 having a radius of curvature R. In this case, since the concrete product 21 to be centrifugally formed is formed following the radius of curvature R of the centrifugal forming drum, the centrifugal force tends to act so that the radius of curvature is reduced at the center of the inner surface. Since 1b is a closed type, the concrete 21 is forcibly formed according to the cavity of the mold 1b.
【００１１】実施例の型枠によれば、１種類の遠心成形
ドラムを用いて、曲率半径が、±２０％の異なる曲率半
径のコンクリート製品を問題なく製造することができ、
遠心成形ドラムを兼用することができる。According to the formwork of the embodiment, concrete products having different radii of curvature of ± 20% can be produced without any problem using one kind of centrifugal molding drum.
The centrifugal forming drum can be used also.
【００１２】[0012]
【発明の効果】本発明によれば、直径が異なる複数種類
のトンネルライナを同一の遠心成形ドラムで製造するこ
とができるという効果を奏する。According to the present invention, there is an effect that a plurality of types of tunnel liners having different diameters can be manufactured by the same centrifugal forming drum.
【図１】実施例の型枠の斜視図である。FIG. 1 is a perspective view of a mold of an embodiment.
【図２】曲率半径の小さい型枠を遠心成形ドラム内に取
付けた説明図である。FIG. 2 is an explanatory view in which a mold having a small radius of curvature is mounted in a centrifugal forming drum.
【図３】曲率半径の大きい型枠を遠心成形ドラム内に取
付けた説明図である。FIG. 3 is an explanatory view in which a mold having a large radius of curvature is mounted in a centrifugal forming drum.
１、１ａ、１ｂ 型枠 ２ 空洞部 ３ 底板 ４ 側板 ５ 蓋板 ６ 取付部 １０ 遠心成形ドラム ２０、２１ コンクリート製品 DESCRIPTION OF SYMBOLS 1, 1a, 1b Formwork 2 Cavity part 3 Bottom plate 4 Side plate 5 Cover plate 6 Attachment part 10 Centrifugal forming drum 20, 21 Concrete product
Claims (3)
により製造するに当り、密閉構造の型枠を遠心成形ドラ
ムに取り付け、コンクリートを該型枠内に充填し、遠心
成形後、コンクリートライナ内面側を面仕上することを
特徴とする遠心成形コンクリートライナの製造方法。In manufacturing an arc-plate-shaped concrete liner by centrifugal molding, a mold having a closed structure is attached to a centrifugal molding drum, concrete is filled in the mold, and after centrifugal molding, the inner surface of the concrete liner is removed. A method for producing a centrifugally formed concrete liner, which comprises surface finishing.
率半径の異なる複数種類のライナとし、それぞれ同一の
遠心成形ドラムに取り付けることを特徴とする請求項１
記載の遠心成形コンクリートライナの製造方法。2. The concrete plate liner according to claim 1, wherein the circular plate-shaped concrete liners are a plurality of types of liners having different radii of curvature, and are respectively attached to the same centrifugal forming drum.
A method for producing the centrifugally formed concrete liner according to the above.
て、コンクリート供給口、空気抜口を備えると共に内径
側せき板を着脱自在とし、かつ、一定直径の遠心成形ド
ラムに取付ける取付部を有する密閉型枠からなることを
特徴とする遠心成形コンクリートライナの製造装置。3. A plurality of types of molds having different radii of curvature, comprising: a concrete supply port, an air vent, a detachable inner-side dam, and a mounting portion for mounting to a centrifugal forming drum having a constant diameter. An apparatus for manufacturing a centrifugally formed concrete liner, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9006694A JP2578319B2 (en) | 1994-04-27 | 1994-04-27 | Method and apparatus for manufacturing centrifugally formed concrete liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9006694A JP2578319B2 (en) | 1994-04-27 | 1994-04-27 | Method and apparatus for manufacturing centrifugally formed concrete liner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07290418A JPH07290418A (en) | 1995-11-07 |
| JP2578319B2 true JP2578319B2 (en) | 1997-02-05 |
Family
ID=13988174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9006694A Expired - Fee Related JP2578319B2 (en) | 1994-04-27 | 1994-04-27 | Method and apparatus for manufacturing centrifugally formed concrete liner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2578319B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581937A (en) * | 2012-04-05 | 2012-07-18 | 河北工业大学 | Movable mould |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100439060C (en) * | 2003-11-09 | 2008-12-03 | 苏州广卫特种水泥制品有限公司 | Concrete cementing process |
| JP5358393B2 (en) * | 2009-02-05 | 2013-12-04 | 株式会社大林組 | Formwork for producing a segment and method for producing a segment using the formwork |
| CN110777839A (en) * | 2019-10-10 | 2020-02-11 | 国网河北省电力有限公司衡水供电分公司 | Bubble-free construction method for foundation chamfering |
-
1994
- 1994-04-27 JP JP9006694A patent/JP2578319B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102581937A (en) * | 2012-04-05 | 2012-07-18 | 河北工业大学 | Movable mould |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07290418A (en) | 1995-11-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960917 |
|
| R250 | Receipt of annual fees |
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| R250 | Receipt of annual fees |
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| LAPS | Cancellation because of no payment of annual fees |