JPH08105240A - Mold frame of tower concrete structure and its construction method - Google Patents

Mold frame of tower concrete structure and its construction method

Info

Publication number
JPH08105240A
JPH08105240A JP26321994A JP26321994A JPH08105240A JP H08105240 A JPH08105240 A JP H08105240A JP 26321994 A JP26321994 A JP 26321994A JP 26321994 A JP26321994 A JP 26321994A JP H08105240 A JPH08105240 A JP H08105240A
Authority
JP
Japan
Prior art keywords
tower
mold
concrete structure
formwork
guide
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
Application number
JP26321994A
Other languages
Japanese (ja)
Inventor
Souji Kanai
金井壮次
Masayuki Okochi
大河内政之
Jiro Nakahara
中原二郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taisei Corp
Original Assignee
Taisei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Taisei Corp filed Critical Taisei Corp
Priority to JP26321994A priority Critical patent/JPH08105240A/en
Publication of JPH08105240A publication Critical patent/JPH08105240A/en
Pending legal-status Critical Current

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  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

PURPOSE: To eliminate a finishing work after execution work and resetting of a mold so as to shorten a work period by setting a prefabricated material at the corners of a tower concrete structure and using it as a mold guide when the mold is raised slidably. CONSTITUTION: A mold frame 1 is formed by installing multiple holding materials 2 extendably and horizontally on the rear surface of a mold 11 and fixing it with a frame material 13 in longitudinal direction. Also a pressing material 31 is made in contact with the center part of the mold 11, a mold releasing jack 3 is installed at the middle of the pressing material 31, and an elevating jack 2 is installed on a loading stand fixed to the mold 11 through multiple supporting rods 21 located over deposited concrete and the frame material 13. After concrete is deposited in the molds 11 and 11, connect reinforcements and the rods 21 to the molds to extend them upward, and bury prefabricated material 14 into the corner parts of a tower concrete structure or arrange it removably. Then the mold 11 is pulled outward by the mold releasing jack 3 for releasing the mold, and the mold 11 is fixed to a specified position using the prefabricated material 14 as a guide and rotating to raise slidably rollers 15 at both ends of the holding material 12.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、塔状コンクリート構造
物の構築に関するものである。
FIELD OF THE INVENTION The present invention relates to the construction of a tower-like concrete structure.

【0002】[0002]

【従来の技術】サイロ、煙突、橋脚など塔状の高いコン
クリート構造物、即ち塔状コンクリート構造物を構築す
るとき、型枠を鉛直上方に持ち上げる必要がある。そこ
で、従来、上方に型枠を滑動させながら連続的にコンク
リートを打設するスライディングフォーム工法や、コン
クリート養生後、脱型をして、次のブロックへ型枠を吊
り上げてセットしていくジャンピングフォーム工法があ
る。
2. Description of the Related Art When constructing tower-shaped concrete structures such as silos, chimneys and bridge piers, that is, tower-shaped concrete structures, it is necessary to lift the formwork vertically upward. Therefore, conventionally, a sliding form method in which concrete is continuously placed while sliding the form up, or a jumping form in which the form is lifted to the next block and set after the concrete is cured and then demolded There is a construction method.

【0003】[0003]

【発明が解決しようとする問題点】しかし、従来の方法
では、次のような問題点がある。 <イ>スライディングフォーム工法では、型枠を滑動す
る際にコンクリート面が削られるため、仕上げ作業が必
要となる。 <ロ>ジャンピングフォーム工法では、1ブロック4〜
5mの単位で型枠の組み立てや解体が行われ、更にコン
クリートの養生や打継目処理が必要となるため、施工速
度が遅くなる。
However, the conventional method has the following problems. <a> In the sliding foam method, finishing work is required because the concrete surface is scraped when sliding the formwork. <B> In the jumping foam construction method, 1 block 4 ~
Since the formwork is assembled and disassembled in units of 5 m, and further concrete curing and joint treatment are required, the construction speed becomes slow.

【0004】[0004]

【本発明の目的】本発明は、塔状コンクリート構造物の
構築に際し、施工速度、品質及び精度の向上を得ること
にある。
It is an object of the present invention to improve the construction speed, quality and accuracy when constructing a tower concrete structure.

【0005】[0005]

【問題点を解決するための手段】本発明は、塔状コンク
リート構造物の型枠骨組において、塔状コンクリート構
造物のコーナー部に配置されるプレファブ材と、該プレ
ファブ材をガイドとして上昇する型枠と、塔状コンクリ
ート構造物の構築予定位置に配置される支持ロッドと、
該支持ロッドと該型枠に取付ける上昇ジャッキとを備
え、該支持ロッドを反力に該上昇ジャッキを駆動して、
該プレファブ材をガイドに該型枠を上昇させることを特
徴とする、塔状コンクリート構造物の型枠骨組、又は、
塔状コンクリート構造物の構築工法において、塔状コン
クリート構造物のコーナー部にプレファブ材を配置し、
該プレファブ材をガイドとして上昇可能に型枠を配置
し、塔状コンクリート構造物を構築予定の位置に配置さ
れた支持ロッドを反力にして該型枠を上昇させることを
特徴とする、塔状コンクリート構造物の構築工法にあ
る。
DISCLOSURE OF THE INVENTION The present invention relates to a prefabricated material arranged at a corner portion of a tower-like concrete structure in a formwork frame of a tower-like concrete structure, and a mold for ascending using the prefabricated material as a guide. A frame and a support rod arranged at a planned construction position of the tower-like concrete structure,
The supporting rod and a rising jack attached to the form, and driving the rising jack with the supporting rod as a reaction force,
A mold frame for a tower-like concrete structure, characterized in that the mold is raised using the pre-fab material as a guide, or
In the construction method of the tower-like concrete structure, prefabricated material is placed in the corner part of the tower-like concrete structure,
A tower-like structure characterized by arranging a formwork capable of ascending using the prefabricated material as a guide, and raising the formwork by using a support rod arranged at a position where a tower-shaped concrete structure is to be constructed as a reaction force. It is in the construction method of concrete structures.

【0006】[0006]

【実施例】以下、図面を用いて本発明の実施例を説明す
る。 <イ>塔状コンクリート構造物の型枠骨組(図1、図
3、図4) 型枠骨組1は、型枠11を横方向に複数の保持材12で
固定し、保持材12を縦方向に枠材13で固定する。そ
して、型枠上昇滑動に際し、塔状コンクリート構造物4
のコーナー部にプレファブ材14を配置し、プレファブ
材14を型枠ガイドとして上昇させる。各型枠11は、
保持材12を連結して組み合わされる。枠材13には、
上昇ジャッキ2を載置する載置台22が取付けられる。
打設されたコンクリートから上方に伸びた支持ロッド2
1を反力にして、上昇ジャッキ2を用いて載置台22を
上昇し、型枠11を上昇滑動する。
Embodiments of the present invention will be described below with reference to the drawings. <a> Formwork frame of tower-like concrete structure (FIGS. 1, 3, and 4) In the formwork frame 1, the formwork 11 is fixed laterally with a plurality of holding materials 12, and the holding material 12 is lengthwise. It is fixed to the frame member 13 with. Then, when the formwork is raised and slid, the tower-shaped concrete structure 4
The pre-fabric material 14 is arranged at the corner portion of and the pre-fab material 14 is raised as a form guide. Each formwork 11
The holding material 12 is connected and combined. In the frame material 13,
A mounting table 22 on which the lifting jack 2 is mounted is attached.
Support rod 2 extending upward from the cast concrete
Using 1 as a reaction force, the mounting table 22 is raised by using the raising jack 2 and the form 11 is slid upward.

【0007】<ロ>プレファブ材(図1、図2) プレファブ材14は、埋設型枠、鉄骨などが使用でき、
塔状コンクリート構造物4のコーナー部に設置される。
コンクリート打設後、プレファブ材14をガイドとして
移動型枠を滑動させる。プレファブ材14は、塔状コン
クリート構造物本体に埋め込む場合、また仮設の型枠や
レール架台として使用する場合がある。
<B> Pre-fab material (FIGS. 1 and 2) The pre-fab material 14 may be an embedded formwork, a steel frame, or the like.
It is installed at the corner of the tower-shaped concrete structure 4.
After the concrete is poured, the movable formwork is slid using the pre-fab material 14 as a guide. The prefabricated material 14 may be embedded in the tower-like concrete structure body or used as a temporary formwork or rail mount.

【0008】<ハ>保持材(図1、図2、図3) 保持材12は、伸縮自在に構成され、型枠11の裏面に
水平方向に取付けられる。各型枠11の保持材12を骨
組みにして型枠11を連結する。保持材12が伸縮自在
であるので、塔状コンクリート構造物4の断面が変断面
形状でも対応することができる。保持材12の両端付近
にローラ15を取付け、ローラ15がプレファブ材14
に当接するように配置し、型枠11がプレファブ材14
上を上方に滑動し易くする。
<C> Holding Material (FIGS. 1, 2, and 3) The holding material 12 is configured to be expandable and contractible, and is horizontally attached to the back surface of the mold 11. The holding material 12 of each mold 11 is used as a framework to connect the molds 11. Since the holding material 12 is expandable and contractible, the tower-shaped concrete structure 4 can be adapted even if the cross-section has a variable cross-sectional shape. The rollers 15 are attached near both ends of the holding material 12, and the rollers 15 are prefabricated materials 14
So that the preform material 14 is abutted against the prefabricated material 14
Make it easier to slide up.

【0009】<ニ>脱型ジャッキ(図3、図4) 型枠11の中央部に押材31を押し当てる。押材31
は、途中に脱型ジャッキ3が取付けてあり、伸縮自在に
構成されている。塔状コンクリート構造物4の外側の押
材31は支持材32を介してプレファブ材14付近の保
持材12に取り付けられている。脱型ジャッキ3を動作
させて押材31を縮めると、型枠11が外側に引かれ
て、コンクリート面から脱型される。塔状コンクリート
構造物4の内側の押材31は、両端が支持材32に取付
けられ、型枠11を押している。脱型ジャッキ3を動作
させ押材31を縮めると両端の型枠11を脱型すること
ができる。
<D> Demolding jack (FIGS. 3 and 4) A pressing member 31 is pressed against the center of the mold 11. Stamping material 31
Has a demolding jack 3 attached midway and is configured to be expandable and contractible. The pressing member 31 on the outside of the tower-shaped concrete structure 4 is attached to the holding member 12 near the pre-fab member 14 via the support member 32. When the demolding jack 3 is operated and the pressing member 31 is contracted, the formwork 11 is pulled to the outside and is demolded from the concrete surface. Both ends of the pressing member 31 on the inside of the tower-shaped concrete structure 4 are attached to the supporting members 32, and press the mold 11. When the demolding jack 3 is operated and the pressing member 31 is contracted, the molds 11 at both ends can be demolded.

【0010】<ホ>支持ロッド(図1、図4) 打設したコンクリートの上方に複数の支持ロッド21を
配置し、支持ロッド21を反力に上昇ジャッキ2で型枠
11を上昇滑動させる。支持ロッド21は丸鋼や鋼管な
どが使用され、上昇ジャッキ2が上端部に近づくと、順
次支持ロッド21を継ぎ足していく。上昇ジャッキ2
は、例えば2連のセンターホールジャッキが使用され、
支持ロッド21と載置台22に取付けられ、ジャッキの
通常の交互の操作で、載置台22を支持ロッド21の上
方に移動することができる。載置台22は、枠材13な
どを介して型枠11に固定されているので、型枠11を
上昇することができる。
<E> Support Rods (FIGS. 1 and 4) A plurality of support rods 21 are arranged above the cast concrete, and the support rods 21 are used as a reaction force to slide the mold 11 upward by the raising jack 2. The support rod 21 is made of round steel, a steel pipe, or the like, and when the rising jack 2 approaches the upper end, the support rod 21 is replenished sequentially. Climbing jack 2
For example, two center hole jacks are used,
The mounting rod 22 is attached to the support rod 21 and the mounting table 22, and the mounting table 22 can be moved above the supporting rod 21 by a normal alternate operation of the jacks. Since the mounting table 22 is fixed to the mold 11 via the frame member 13 and the like, the mold 11 can be raised.

【0011】以下に、図4を用いて塔状コンクリート構
造物4の構築順序を説明する。図4は説明を分かり易く
するために、模式化してある。
The construction order of the tower-like concrete structure 4 will be described below with reference to FIG. FIG. 4 is schematically illustrated for easy understanding.

【0012】<イ>鉄筋組(図4(A)) 型枠内にコンクリートを打設後、鉄筋41と支持ロッド
21を上方向に継ぎ足す。
<A> Reinforcing bar assembly (FIG. 4 (A)) After placing concrete in the formwork, the reinforcing bars 41 and the support rods 21 are added upward.

【0013】<ロ>プレファブ材の建込(図4(B)) 構築予定の塔状コンクリート構造物4のコーナー部にプ
レファブ材14を配置する。プレファブ材14は、塔状
コンクリート構造物4に埋め込でも良く、又は取り外し
出来るようにしても良い。
<B> Installation of prefabricated material (FIG. 4 (B)) The prefabricated material 14 is placed at the corner of the tower-like concrete structure 4 to be constructed. The pre-fab material 14 may be embedded in the tower-like concrete structure 4 or may be removable.

【0014】<ハ>型枠の上昇滑動(図4(C)) 脱型ジャッキ3により型枠11を外側に引っ張り、コン
クリート面から脱型する。上昇ジャッキ2により型枠1
1をプレファブ材14をガイドとして上昇滑動する。ロ
ーラ15がプレファブ材14上を回転するので、型枠1
1を容易に上昇することができる。また、型枠11がコ
ンクリート面に接していないので、コンクリート面を荒
らすことがない。所定の位置まで上昇したら、型枠11
を固定する。
<C> Sliding up of formwork (FIG. 4 (C)) The formwork 11 is pulled outward by the demolding jack 3 to remove it from the concrete surface. Form 1 by climbing jack 2
1 is slid upward using the prefabricated material 14 as a guide. Since the roller 15 rotates on the prefabricated material 14, the formwork 1
1 can be easily raised. Moreover, since the formwork 11 is not in contact with the concrete surface, the concrete surface is not roughened. Once raised to the prescribed position, the formwork 11
Is fixed.

【0015】<ニ>コンクリートの打設(図4(D)) 型枠内にコンクリートを打設して、塔状コンクリート構
造物4を構築して行く。
<D> Placing Concrete (FIG. 4 (D)) Concrete is poured into the mold to construct the tower-like concrete structure 4.

【0016】[0016]

【発明の効果】本発明は、次のような効果を得ることが
できる。 <イ>プレファブ材の表面が型枠滑動面であるため、若
材令のコンクリートでも型枠の上昇により悪影響を与え
ることがない。そのため、施工後の仕上げ作業が不要と
なる。 <ロ>プレファブ材が型枠の固定点となるため、型枠の
再セットが不要となり、施工速度を速めることができ
る。 <ハ>型枠の骨組みを伸縮自在にしてあるので、変断面
形状の塔状コンクリート構造物にも適用することができ
る。
According to the present invention, the following effects can be obtained. <A> Since the surface of the prefabricated material is the sliding surface of the formwork, even younger concrete will not be adversely affected by the rise of the formwork. Therefore, finishing work after construction is unnecessary. <B> Since the prefabricated material serves as a fixed point of the formwork, it is not necessary to reset the formwork and the construction speed can be increased. <C> Since the framework of the formwork is expandable, it can be applied to a tower-like concrete structure having a variable cross-sectional shape.

【図面の簡単な説明】[Brief description of drawings]

【図1】塔状コンクリート構造物の型枠骨組の配置図[Fig. 1] Layout plan of the formwork frame of tower-like concrete structure

【図2】ローラの取付け図[Fig. 2] Roller installation drawing

【図3】脱型ジャッキの配置図FIG. 3 is a layout view of a demolding jack.

【図4】塔状コンクリート構造物の構築工法の説明図[Fig. 4] Illustration of construction method of tower concrete structure

Claims (6)

【特許請求の範囲】[Claims] 【請求項1】塔状コンクリート構造物の型枠骨組におい
て、 塔状コンクリート構造物のコーナー部に配置されるプレ
ファブ材と、 該プレファブ材をガイドとして上昇する型枠と、 塔状コンクリート構造物の構築予定位置に配置される支
持ロッドと、 該支持ロッドと該型枠に取付ける上昇ジャッキとを備
え、 該支持ロッドを反力に該上昇ジャッキを駆動して、該プ
レファブ材をガイドに該型枠を上昇させることを特徴と
する、 塔状コンクリート構造物の型枠骨組。
1. A formwork frame for a tower-like concrete structure, a prefabricated material arranged at a corner portion of the tower-like concrete structure, a formwork that rises using the prefabricated material as a guide, and a tower-like concrete structure. A support rod arranged at a planned construction position, a support jack attached to the support rod and the mold, and the support rod driving the lift jack with a reaction force to guide the prefab material to the mold. A formwork framework for tower-like concrete structures, characterized in that it raises.
【請求項2】塔状コンクリート構造物の型枠骨組におい
て、 塔状コンクリート構造物のコーナー部に配置されるプレ
ファブ材と、 該プレファブ材をガイドとして上昇する型枠と、 該型枠を外側から押圧する伸縮可能な支持材と、 塔状コンクリート構造物の構築予定位置に配置される支
持ロッドと、 該支持ロッドと該型枠に取付ける上昇ジャッキとを備
え、 該支持ロッドを反力に該上昇ジャッキを駆動して、該プ
レファブ材をガイドに該型枠を上昇させることを特徴と
する、 塔状コンクリート構造物の型枠骨組。
2. A formwork frame for a tower-like concrete structure, a prefabricated material arranged at a corner portion of the tower-like concrete structure, a formwork that rises using the prefabricated material as a guide, and the formwork from outside. An expandable support member for pressing, a support rod arranged at a planned construction position of a tower-shaped concrete structure, and a lifting jack attached to the support rod and the formwork are provided. A formwork framework for a tower-like concrete structure, characterized in that the prefab material is used as a guide to raise the formwork by driving a jack.
【請求項3】塔状コンクリート構造物の型枠骨組におい
て、 塔状コンクリート構造物のコーナー部に配置されるプレ
ファブ材と、 該プレファブ材をガイドとして上昇する型枠と、 型枠の脱型を行う脱型ジャッキと、 塔状コンクリート構造物の構築予定位置に配置される支
持ロッドと、 該支持ロッドと該型枠に取付ける上昇ジャッキとを備
え、 該型枠にコンクリートを打設後、該脱型ジャッキを用い
て該型枠を脱型し、該支持ロッドを反力に該上昇ジャッ
キを駆動して、該プレファブ材をガイドに該型枠を上昇
させることを特徴とする、 塔状コンクリート構造物の型枠骨組。
3. A formwork frame for a tower-like concrete structure, a prefabricated material arranged at a corner portion of the tower-like concrete structure, a formwork that rises using the prefabricated material as a guide, and a demolding method for the formwork. The demolding jack to be performed, the support rod arranged at the planned construction position of the tower-like concrete structure, and the lifting jack to be attached to the support rod and the mold are provided. A tower-like concrete structure, characterized in that the mold is demolded using a mold jack, the supporting rod is driven by the reaction force to drive the lifting jack, and the prefab material is used as a guide to lift the mold. Formwork frame of the object.
【請求項4】塔状コンクリート構造物の構築工法におい
て、 塔状コンクリート構造物のコーナー部にプレファブ材を
配置し、 該プレファブ材をガイドとして上昇可能に型枠を配置
し、 塔状コンクリート構造物を構築予定の位置に配置された
支持ロッドを反力にして該型枠を上昇させることを特徴
とする、 塔状コンクリート構造物の構築工法。
4. A method for constructing a tower-shaped concrete structure, wherein a prefabricated material is arranged at a corner portion of the tower-shaped concrete structure, and a formwork is arranged so that the prefabricated material can be used as a guide to raise the tower-shaped concrete structure. A method for constructing a tower-like concrete structure, characterized in that the support rod arranged at the position planned to be constructed is raised to raise the formwork with a reaction force.
【請求項5】塔状コンクリート構造物の構築工法におい
て、 塔状コンクリート構造物のコーナー部にプレファブ材を
配置し、 該プレファブ材をガイドとして上昇可能に型枠を配置
し、 該型枠を外側から伸縮可能な支持材で押圧し、 塔状コンクリート構造物を構築予定の位置に配置された
支持ロッドを反力にして該型枠を上昇させることを特徴
とする、 塔状コンクリート構造物の構築工法。
5. A method for constructing a tower-like concrete structure, wherein a prefabricated material is arranged at a corner portion of the tower-shaped concrete structure, a mold is arranged so that the prefabricated material can be used as a guide, and the mold is outside. Construction of a tower-shaped concrete structure, characterized in that it is pressed by a stretchable support material from above to raise the formwork by using a support rod arranged at a position where the tower-shaped concrete structure is to be built as a reaction force. Construction method.
【請求項6】塔状コンクリート構造物の構築工法におい
て、 塔状コンクリート構造物のコーナー部にプレファブ材を
配置し、 該プレファブ材をガイドとして上昇可能に型枠を配置
し、 該型枠にコンクリートを打設後、該型枠を脱型し、 塔状コンクリート構造物を構築予定の位置に配置された
支持ロッドを反力にして型枠を上昇させることを特徴と
する、 塔状コンクリート構造物の構築工法。
6. A method for constructing a concrete tower structure, wherein a prefab material is arranged at a corner portion of the concrete tower structure, a mold is arranged so that the prefab material can be used as a guide, and a concrete structure is arranged on the mold. After casting, the formwork is demolded, and the formwork is raised by using the support rods arranged at the positions where the towerlike concrete structure is to be constructed as a reaction force to raise the formwork. Construction method.
JP26321994A 1994-10-03 1994-10-03 Mold frame of tower concrete structure and its construction method Pending JPH08105240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26321994A JPH08105240A (en) 1994-10-03 1994-10-03 Mold frame of tower concrete structure and its construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26321994A JPH08105240A (en) 1994-10-03 1994-10-03 Mold frame of tower concrete structure and its construction method

Publications (1)

Publication Number Publication Date
JPH08105240A true JPH08105240A (en) 1996-04-23

Family

ID=17386440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26321994A Pending JPH08105240A (en) 1994-10-03 1994-10-03 Mold frame of tower concrete structure and its construction method

Country Status (1)

Country Link
JP (1) JPH08105240A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100429375C (en) * 2007-07-19 2008-10-29 天津大学 Formworkfor elevator well of high rising building and construction method thereof
JP2011047111A (en) * 2009-08-25 2011-03-10 Jfe Civil Engineering & Construction Corp Method for constructing concrete wall formed on inner wall surface of vertical shaft
CN104947606A (en) * 2015-05-26 2015-09-30 上海同罡建筑工程有限公司 Correcting method for bridge superstructure
CN113338163A (en) * 2021-04-30 2021-09-03 广西北投交通养护科技集团有限公司 Opposite-pulling combined device for bridge tower inclined support and construction method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100429375C (en) * 2007-07-19 2008-10-29 天津大学 Formworkfor elevator well of high rising building and construction method thereof
JP2011047111A (en) * 2009-08-25 2011-03-10 Jfe Civil Engineering & Construction Corp Method for constructing concrete wall formed on inner wall surface of vertical shaft
CN104947606A (en) * 2015-05-26 2015-09-30 上海同罡建筑工程有限公司 Correcting method for bridge superstructure
CN113338163A (en) * 2021-04-30 2021-09-03 广西北投交通养护科技集团有限公司 Opposite-pulling combined device for bridge tower inclined support and construction method
CN113338163B (en) * 2021-04-30 2021-12-14 广西北投交通养护科技集团有限公司 Opposite-pulling combined device for bridge tower inclined support and construction method

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