JPH08218523A - Pc form construction method and pc form - Google Patents
Pc form construction method and pc formInfo
- Publication number
- JPH08218523A JPH08218523A JP2546695A JP2546695A JPH08218523A JP H08218523 A JPH08218523 A JP H08218523A JP 2546695 A JP2546695 A JP 2546695A JP 2546695 A JP2546695 A JP 2546695A JP H08218523 A JPH08218523 A JP H08218523A
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- concrete
- steel material
- work
- supporting steel
- 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
Landscapes
- Revetment (AREA)
- Retaining Walls (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、コンクリート構造物の
型枠としてＰＣ（プレキャストコンクリート）型枠を組
立ててコンクリート打設し、コンクリート打設後もこの
ＰＣ型枠を残置するＰＣ型枠工法およびそれに使用する
ＰＣ型枠に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a PC formwork construction method for assembling a PC (precast concrete) formwork as a formwork for a concrete structure, placing the concrete, and leaving the PC formwork after the concrete is placed. It relates to a PC formwork used for it.
【０００２】[0002]
【従来の技術】コンクリート構造物としてダム等の傾斜
面のコンクリートの打設を例にとると、図８〜図10に示
すように鋼製せき板１を用いた片持ち梁式のスライドフ
ォームが一般的である。2. Description of the Related Art Taking concrete as an example of a concrete structure on an inclined surface of a dam or the like, a cantilever type slide form using a steel dam plate 1 as shown in FIGS. It is common.
【０００３】図中２は鋼製せき板１を支承する縦バタ、
３は横バタ、４は縦バタ２の上端に設ける吊金具であ
り、下部には安全ネット６を側部に張った安全ステップ
５を設けた。In the figure, 2 is a vertical flap for supporting the steel dam 1.
Reference numeral 3 is a horizontal flap, and 4 is a hanging metal fitting provided on the upper end of the vertical flap 2, and a safety step 5 in which a safety net 6 is stretched to the side is provided on the lower portion.
【０００４】型枠の取り付け手順は、スライドフォー
ムの上昇、シーボルト７、アンカーボルト８による縦
バタ２の固定、ジャッキボルト９による縦バタ２の角
度固定、ダミーボルト10の取り付け、コンクリート
11の打設の順で〜の繰り返しとなる。The procedure for attaching the formwork is ascending the slide form, fixing the vertical flap 2 with the sea bolt 7 and the anchor bolt 8, fixing the angle of the vertical flap 2 with the jack bolt 9, mounting the dummy bolt 10, concrete.
It is repeated in the order of 11 castings.
【０００５】[0005]
【発明が解決しようとする課題】このような片持ち梁式
のスライドフォームの場合、スライドフォームの上昇は
作業員の介添えを伴うクレーン作業となるが、多大な時
間と労力と作業スペースを必要とする。In the case of such a cantilever type slide form, ascending of the slide form requires crane work with the attendance of an operator, but it requires a great deal of time, labor and work space. To do.
【０００６】また、傾斜があるため、型枠の固定や角度
調整は特別な資格や高度の熟練を要し、さらに、高所作
業となり作業員に対する危険を伴う。Further, because of the inclination, the fixing and angle adjustment of the formwork require special qualifications and a high degree of skill, and further work at a high place poses a danger to workers.
【０００７】本発明の目的は前記従来例の不都合を解消
し、型枠の建込み・設置作業が単純化され、作業の熟練
を要さず、型枠支保工が省略でき、省力化、工期短縮が
でき、高所作業がなく安全に作業でき、さらに、コンク
リート構造物の表面をＰＣ型枠で保護するため構造物の
耐久性を増やすことができるＰＣ型枠工法およびＰＣ型
枠を提供することにある。The object of the present invention is to eliminate the inconveniences of the above-mentioned conventional examples, simplify the work of building and installing the formwork, do not require the skill of the work, can omit the formwork support work, and save labor and construction period. To provide a PC formwork method and a PC formwork that can be shortened, can work safely without working at high places, and can further increase the durability of the structure because the surface of the concrete structure is protected by the PC formwork. Especially.
【０００８】[0008]
【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、ＰＣ型枠工法としては、コンクリート構造物
の型枠としてＰＣ（プレキャストコンクリート）型枠を
組立ててコンクリート打設し、コンクリート打設後もこ
のＰＣ型枠を残置するＰＣ型枠工法において、次に組む
ＰＣ型枠の支持用鋼材をＰＣ型枠に設けておき、この支
持用鋼材付きのＰＣ型枠を設置し、コンクリート打設
後、突出する支持用鋼材に沿わせて次に組むＰＣ型枠を
建込み、ＰＣ型枠と支持用鋼材とをボルト等で固定して
コンクリートを打設することを要旨とするものである。In order to achieve the above-mentioned object, the present invention provides a PC formwork method by assembling a PC (precast concrete) formwork as a formwork of a concrete structure, placing the concrete, and placing the concrete. In the PC formwork construction method in which this PC formwork remains after installation, the supporting steel material for the PC formwork to be assembled next is provided in the PC formwork, and the PC formwork with this supporting steel material is installed, After installation, a PC formwork to be assembled next is built along the projecting support steel material, and the PC formwork and the support steel material are fixed with bolts or the like and concrete is poured. .
【０００９】また、ＰＣ型枠としては、第１に、次に組
むＰＣ型枠の支持用鋼材を突出させたこと、第２に、支
持用鋼材はアングル材であり、ＰＣ型枠のコンクリート
打設面にこのアングル材の一片面を沿わせて固定し、該
支持用鋼材の上部はそのままＰＣ型枠から突出させるこ
と、第３に、ＰＣ型枠端部はほぞ構造とすることを要旨
とするものである。As for the PC form, first, the supporting steel of the PC form to be assembled next is projected, and secondly, the supporting steel is an angle member, and the concrete form of the PC form is cast. One side of this angle member is fixed along the installation surface, and the upper portion of the supporting steel material is projected from the PC form as it is. Thirdly, the end of the PC form has a tenon structure. To do.
【００１０】[0010]
【作用】請求項１および請求項２記載の本発明によれ
ば、ＰＣ型枠の建込みはクレーン作業によるが、型枠自
体が小型・軽量であること、および、次に組むＰＣ型枠
はこれは既設のＰＣ型枠の支持用鋼材に沿わせて建込む
ものであり、さらに、設置位置と角度は支持用鋼材と隣
接したＰＣ型枠がガイドとなり容易に定まることなどか
ら、作業時間は短縮され、また、作業スペースも最小限
度でよい。According to the present invention as set forth in claims 1 and 2, the construction of the PC form is carried out by the crane work. However, the form itself is small and lightweight, and the PC form to be assembled next is This is built along the supporting steel material of the existing PC formwork. Furthermore, the installation position and angle are easily determined by the PC formwork adjacent to the supporting steel material as a guide. It is shortened and requires a minimum working space.
【００１１】また、支持用鋼材は既に打設したコンクリ
ートで根固めされており、型枠支保工材を兼用すること
ができる。したがって、型枠建込み後はＰＣ型枠と支持
用鋼材とをボルト等で固定することにより、コンクリー
ト打設による変形が防止でき、別途支保工を設けなくて
よい。作業は全てコンクリート堤体から安全に行うこと
ができる。Further, the supporting steel material is already cemented with concrete that has been cast, so that it can also serve as a form support material. Therefore, after the formwork is built, by fixing the PC formwork and the supporting steel material with bolts or the like, it is possible to prevent the deformation due to the concrete placement, and it is not necessary to provide a separate supporting work. All work can be done safely from the concrete levee.
【００１２】請求項３記載の本発明によれば、前記作用
に加えて、支持用鋼材はこれをアングル材とすること
で、場所を取らずに設置でき、しかも強度のあるものと
することができ、また、コンクリート打設面にこれを設
けてもコンクリートの充填を阻害することはない。According to the third aspect of the present invention, in addition to the above-mentioned function, the supporting steel material can be installed without taking up a space by using it as an angle material, and it can be made strong. It is possible, and even if it is provided on the concrete placing surface, the filling of the concrete is not hindered.
【００１３】請求項４記載の本発明によれば、ＰＣ型枠
端部はほぞ構造とすることで建込み時のガイドとしてこ
のほぞ構造を利用でき、また、目地部からのモルタル漏
出防止を図ることができる。According to the present invention as set forth in claim 4, since the end of the PC formwork has a tenon structure, this tenon structure can be used as a guide at the time of assembling, and the mortar is prevented from leaking from the joint. be able to.
【００１４】[0014]
【実施例】以下、図面について本発明の実施例を詳細に
説明する。図１は本発明のＰＣ型枠工法およびＰＣ型枠
の１実施例を示す側面図、図２は本発明のＰＣ型枠の１
実施例を示す斜視図、図３〜図５は本発明のＰＣ型枠工
法の各工程を示す斜視図である。Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a side view showing an embodiment of a PC formwork method and PC formwork of the present invention, and FIG. 2 is a PC formwork 1 of the present invention.
FIG. 3 is a perspective view showing an embodiment, and FIGS. 3 to 5 are perspective views showing each step of the PC mold construction method of the present invention.
【００１５】先に本発明のＰＣ（プレキャストコンクリ
ート）型枠12について説明すると、図２にも示すよう
に、次に組むＰＣ型枠の支持用鋼材13を突出させたもの
であるが、この支持用鋼材13は本実施例では型鋼による
アングル材であり、断面鉤形で、一片面13ａに対して直
交する他の一片面13ｂがある。First, the PC (precast concrete) formwork 12 of the present invention will be described. As shown in FIG. 2, the supporting steel material 13 of the PC formwork to be assembled next is projected. The steel material 13 for use in the present embodiment is an angled material made of type steel, has a hook-shaped cross section, and has another one surface 13b orthogonal to the one surface 13a.
【００１６】この支持用鋼材13はＰＣ型枠12のコンクリ
ート打設面側に前記一片面13ａを沿わせてボルト14等で
固定し、該支持用鋼材13の上部はそのままＰＣ型枠12か
ら突出させる。The supporting steel material 13 is fixed to the concrete casting surface side of the PC form 12 with bolts 14 along the one surface 13a, and the upper portion of the supporting steel material 13 is projected from the PC form 12 as it is. Let
【００１７】このようにすれば、他の一片面13ｂはＰＣ
型枠12のコンクリート打設面側から鉛直に立ち上がるの
で、アンカー15はこの一片面13ｂを支持基板として利用
してここに溶接等で取り付けることができる。In this way, the other one surface 13b is PC
Since it rises vertically from the concrete pouring surface side of the form 12, the anchor 15 can be attached by welding or the like using this one surface 13b as a supporting substrate.
【００１８】次に、前記ＰＣ型枠12を用いて行う本発明
のＰＣ型枠工法について説明すると、図１に示すよう
に、前記支持用鋼材13付きのＰＣ型枠12を設置し、コン
クリート16を打設後、図３に示すように既設のＰＣ型枠
12から突出する支持用鋼材13の一片面13ａの外側面に沿
わせて滑らすことで次に組むＰＣ型枠12を建込む。Next, the PC formwork method of the present invention using the PC formwork 12 will be described. As shown in FIG. 1, the PC formwork 12 with the supporting steel material 13 is installed and concrete 16 After placing, as shown in Fig. 3, the existing PC formwork
The PC frame 12 to be assembled next is built by sliding along the outer surface of the one surface 13a of the supporting steel material 13 protruding from 12.
【００１９】その後、図４に示すように建込んだＰＣ型
枠12と支持用鋼材13とをボルト14等で固定してから図５
に示すようにコンクリート16′を打設する。以下、同様
な工程を繰り返す。After that, the PC form 12 and the supporting steel material 13 built in as shown in FIG.
Concrete 16 'is placed as shown in. Hereinafter, similar steps are repeated.
【００２０】なお、ダム等のレア打設のように層状にコ
ンクリートを打設する場合には、図７に示すようにＰＣ
型枠12を水平方向に打設して建込む。When concrete is poured in layers like rare pouring of dams, etc., as shown in FIG.
The formwork 12 is laid in the horizontal direction and installed.
【００２１】また、他の実施例として図６に示すよう
に、ＰＣ型枠２の端部はほぞ17を設けたほぞ構造とし
た。このほぞ17の形状は特に限定はない。As another embodiment, as shown in FIG. 6, the end of the PC form 2 has a tenon structure provided with tenons 17. The shape of the tenon 17 is not particularly limited.
【００２２】このほぞ17は建込み時のガイドとして利用
でき、ＰＣ型枠２相互の結合をほぞ構造とすることで、
目地部からのモルタル漏出防止を図ることができる。This tenon 17 can be used as a guide at the time of assembling, and by making the tenon structure the mutual connection of the PC formwork 2,
It is possible to prevent leakage of mortar from the joints.
【００２３】さらに他の実施例として、ＰＣ型枠２の表
面を色彩造形することにより、景観の向上を図れる。ま
た、支持用鋼材13の目地部背面に位置する部分には防食
塗装を施しておくと、目地からの漏水に対しての腐食に
対処できる。As still another embodiment, the landscape can be improved by color-shaping the surface of the PC form 2. Further, by applying anticorrosion coating to the portion of the supporting steel material 13 located on the rear surface of the joint, it is possible to cope with corrosion against water leakage from the joint.
【００２４】[0024]
【発明の効果】以上述べたように本発明のＰＣ型枠工法
およびＰＣ型枠は、型枠の建込み・設置作業が単純化さ
れ、作業の熟練を要さず、型枠支保工が省略でき、省力
化、工期短縮ができ、高所作業がなく安全に作業でき、
さらに、コンクリート構造物の表面をＰＣ型枠で保護す
るため構造物の耐久性を増やすことができるものであ
る。As described above, in the PC formwork method and PC formwork of the present invention, the work of building and installing the formwork is simplified, the skill of the work is not required, and the formwork support work is omitted. Can be done, labor saving, shortening of construction period, work without height work, work safely,
Further, since the surface of the concrete structure is protected by the PC form, the durability of the structure can be increased.
【図１】本発明のＰＣ型枠工法およびＰＣ型枠の１実施
例を示す側面図である。FIG. 1 is a side view showing an embodiment of a PC formwork method and a PC formwork of the present invention.
【図２】本発明のＰＣ型枠の１実施例を示す斜視図であ
る。FIG. 2 is a perspective view showing an embodiment of the PC form of the present invention.
【図３】本発明のＰＣ型枠工法の第１工程を示す斜視図
である。FIG. 3 is a perspective view showing a first step of the PC formwork method of the present invention.
【図４】本発明のＰＣ型枠工法の第２工程を示す斜視図
である。FIG. 4 is a perspective view showing a second step of the PC formwork method of the present invention.
【図５】本発明のＰＣ型枠工法の第３工程を示す斜視図
である。FIG. 5 is a perspective view showing a third step of the PC formwork method of the present invention.
【図６】本発明のＰＣ型枠の他の実施例を示す平面図で
ある。FIG. 6 is a plan view showing another embodiment of the PC form of the present invention.
【図７】層状にコンクリートを打設する場合の斜視図で
ある。FIG. 7 is a perspective view when placing concrete in layers.
【図８】従来例としての片持ち梁式のスライドフォーム
の斜視図である。FIG. 8 is a perspective view of a cantilever type slide form as a conventional example.
【図９】従来例としての片持ち梁式のスライドフォーム
の正面図である。FIG. 9 is a front view of a cantilever type slide form as a conventional example.
【図１０】スライドフォームの使用状態を示す斜視図で
ある。FIG. 10 is a perspective view showing a usage state of the slide form.
１…鋼製せき板 ２…縦バタ ３…横バタ ４…吊金具 ５…安全ステップ ６…安全ネット ７…シーボルト ８…アンカーボルト ９…ジャッキボルト 10…ダミーボルト 11…コンクリート 12…ＰＣ型枠 13…支持用鋼材 13ａ，13ｂ…１片面 14…ボルト 15…アンカー 16，16′…コンクリート 17…ほぞ 1 ... Steel dam 2 ... Vertical flap 3 ... Horizontal flap 4 ... Hanging metal fitting 5 ... Safety step 6 ... Safety net 7 ... Sea bolt 8 ... Anchor bolt 9 ... Jack bolt 10 ... Dummy bolt 11 ... Concrete 12 ... PC form 13 … Supporting steel 13a, 13b… 1 side 14… Bolt 15… Anchor 16, 16 ′… Concrete 17… Mortise
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小関 喜久夫 東京都港区元赤坂一丁目２番７号 鹿島建 設株式会社内 (72)発明者 村尾 義則 東京都港区元赤坂一丁目２番７号 鹿島建 設株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kikuo Koseki 1-2-7 Moto-Akasaka, Minato-ku, Tokyo Kashima Construction Co., Ltd. (72) In-house Yoshinori Murao 1-2-7 Moto-Akasaka, Minato-ku, Tokyo No. Kashima Construction Co., Ltd.
Claims (4)
（プレキャストコンクリート）型枠を組立ててコンクリ
ート打設し、コンクリート打設後もこのＰＣ型枠を残置
するＰＣ型枠工法において、次に組むＰＣ型枠の支持用
鋼材をＰＣ型枠に設けておき、この支持用鋼材付きのＰ
Ｃ型枠を設置し、コンクリート打設後、突出する支持用
鋼材に沿わせて次に組むＰＣ型枠を建込み、ＰＣ型枠と
支持用鋼材とをボルト等で固定してコンクリートを打設
することを特徴とするＰＣ型枠工法。1. A PC as a formwork for a concrete structure.
(Precast concrete) In a PC formwork method in which a formwork is assembled, concrete is placed, and the PC formwork is left after the concrete is placed, a steel material for supporting the next PC formwork is provided on the PC formwork. , P with this supporting steel
After the C form is installed and the concrete is cast, the PC form to be assembled next is installed along the protruding supporting steel material, and the PC form and the supporting steel material are fixed with bolts and the like, and concrete is poured. A PC formwork method characterized by:
せたことを特徴とするＰＣ型枠。2. A PC formwork characterized in that a supporting steel material for the PC formwork to be assembled next is projected.
枠のコンクリート打設面にこのアングル材の一片面を沿
わせて固定し、該支持用鋼材の上部はそのままＰＣ型枠
から突出させる請求項２記載のＰＣ型枠。3. The supporting steel material is an angle material, and one side of the angle material is fixed along the concrete casting surface of the PC formwork, and the upper portion of the supporting steel material is projected as it is from the PC formwork. The PC formwork according to claim 2.
または請求項３記載のＰＣ型枠。4. The PC mold end has a tenon structure.
Alternatively, the PC formwork according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2546695A JPH08218523A (en) | 1995-02-14 | 1995-02-14 | Pc form construction method and pc form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2546695A JPH08218523A (en) | 1995-02-14 | 1995-02-14 | Pc form construction method and pc form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08218523A true JPH08218523A (en) | 1996-08-27 |
Family
ID=12166812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2546695A Pending JPH08218523A (en) | 1995-02-14 | 1995-02-14 | Pc form construction method and pc form |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08218523A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011162970A (en) * | 2010-02-08 | 2011-08-25 | Taisei Corp | Method for constructing wall |
| JP2014058793A (en) * | 2012-09-14 | 2014-04-03 | Taisei Corp | Construction method of dike utilizing multi-purpose post and construction method of wall body |
-
1995
- 1995-02-14 JP JP2546695A patent/JPH08218523A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011162970A (en) * | 2010-02-08 | 2011-08-25 | Taisei Corp | Method for constructing wall |
| JP2014058793A (en) * | 2012-09-14 | 2014-04-03 | Taisei Corp | Construction method of dike utilizing multi-purpose post and construction method of wall body |
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