JPS6326221B2 - - Google Patents
Info
- Publication number
- JPS6326221B2 JPS6326221B2 JP6487980A JP6487980A JPS6326221B2 JP S6326221 B2 JPS6326221 B2 JP S6326221B2 JP 6487980 A JP6487980 A JP 6487980A JP 6487980 A JP6487980 A JP 6487980A JP S6326221 B2 JPS6326221 B2 JP S6326221B2
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- decorative
- board
- concrete
- flange
- 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
Links
- 238000009415 formwork Methods 0.000 claims description 35
- 239000004567 concrete Substances 0.000 claims description 26
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 239000011810 insulating material Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 15
- 239000002184 metal Substances 0.000 description 9
- 239000012774 insulation material Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000011210 fiber-reinforced concrete Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
【発明の詳細な説明】
この発明は内側が断熱材、外側が表面材とより
なる型枠を兼用する化粧型枠板をコンクリート躯
体表面に固定する工法に関する。その目的は化粧
型枠板の厚みが変化しても精度高く、強固に、か
つ体裁を損なうことなく固定できる工法を提案す
るにある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for fixing a decorative form board, which also serves as a formwork, and whose inner side is a heat insulating material and whose outer side is a surface material, to the surface of a concrete frame. The purpose is to propose a construction method that can fix the decorative form board with high precision and strength even if the thickness changes, without compromising its appearance.
近年化粧型枠板を型枠としてコンクリートを打
設してコンクリート壁等の構造物を施工する方法
が提案されている。ところがこの方法は化粧型枠
板をコンクリート硬化後も撤去することなくその
まま化粧板として使用するため、その組立精度を
極めて高くしないと、出来上りの外観体裁を損ね
る欠点がある。このため型枠組立精度を高めると
同時に、打設されるコンクリートの側圧に耐え変
形を起さぬよう強固に組立てなければならなかつ
た。特に内側に合成樹脂発泡体やガラス繊維等の
断熱材を配した化粧型枠板を用いた場合は、断熱
材が圧縮変形し易いので、精度高く強固に型枠を
組立ても、組立の締結力が作用して厚みが減少
し、コンクリート躯体と化粧型枠板の表面材間を
連結固定する固定具が浮上つてしまい、その端が
化粧型枠板表面に突出したり、表面が不揃となつ
たり、あるいはコンクリート躯体との間に間隙を
生じ固定強度が低下したりする欠点が起り易かつ
た。 In recent years, a method has been proposed in which structures such as concrete walls are constructed by pouring concrete using decorative formwork boards as formwork. However, in this method, the decorative form board is used as a decorative board without being removed even after the concrete has hardened, so unless the assembly accuracy is extremely high, the appearance of the finished product will be impaired. For this reason, it was necessary to increase the accuracy of the formwork assembly, and at the same time, it was necessary to assemble it strongly so that it could withstand the lateral pressure of the concrete being poured and not cause deformation. Particularly when using a decorative formwork board with a heat insulating material such as synthetic resin foam or glass fiber on the inside, the insulating material is easily compressed and deformed, so even if the formwork is assembled with high precision and firmly, the fastening force of the assembly is As a result, the thickness decreases, and the fixings that connect and fix the concrete frame and the facing material of the decorative formwork board come up, causing their ends to protrude onto the surface of the decorative formwork board and the surface to become uneven. Otherwise, a gap is likely to be formed between the concrete frame and the fixing strength of the concrete frame to be reduced.
この発明は上記の欠点を解消したものである。 This invention eliminates the above-mentioned drawbacks.
以下図示する施工実施例により説明する。 This will be explained below using construction examples shown in the drawings.
第１図、第２図はこの発明にかかわる施工例で
ある。型枠は一方側に、内側が合成樹脂発泡体の
断熱材１外側が繊維補強コンクリート板の表面材
２からなる化粧型枠板３を、他方側に型枠板を配
し構成されている。化粧型枠板３および型枠板４
の外側には縦端太５、その上に横端太６が、また
型枠板３，４間にセパレータ７を配し、その両側
に型枠締付け用ボルト８，８を取付けて緊締して
型枠は組立てられる。 FIG. 1 and FIG. 2 are construction examples related to this invention. The formwork is composed of a decorative formwork board 3 on one side, an insulating material 1 made of synthetic resin foam on the inside, and a surface material 2 of fiber-reinforced concrete board on the outside, and a formwork board on the other side. Decorative form board 3 and form board 4
A vertical end piece 5 is placed on the outside, a horizontal end piece 6 is placed above it, and a separator 7 is arranged between the formwork plates 3 and 4, and formwork tightening bolts 8 and 8 are installed on both sides of the separator 7 and tightened. The formwork is assembled.
セパレータ７の端部には止座９があり、この外
側に平座１０を重ね、その先端を化粧断熱板３に
穿設した挿通孔１１に挿通する。他方化粧断熱板
３の外側から、第３図に示す、一端に円形鍔部１
２、内部にねじ孔１３があり、本体部１４が円筒
形のハツト型固定金具１５を、その鍔部を外側方
向を向けて差込み、セパレータ７の先端部とねじ
孔１３とを螺合する。そして鍔部１２を挿通孔１
１の外側開口部の表面材２層に設けた凹陥部内に
収納し、平座１０と鍔部１２の間に化粧型枠板３
を挾む状態となし、さらに固定具１５と型枠締付
け用ボルト８とを連結棒１６を用い螺合連結す
る。 A stop seat 9 is provided at the end of the separator 7, and a flat seat 10 is stacked on the outside of the stop seat 9, and its tip is inserted into an insertion hole 11 formed in the decorative heat insulating board 3. On the other hand, from the outside of the decorative insulation board 3, as shown in FIG.
2. A hat-shaped fixture 15 having a screw hole 13 inside and a cylindrical main body 14 is inserted with its flange facing outward, and the tip of the separator 7 and the screw hole 13 are screwed together. Then insert the flange 12 into the insertion hole 1.
The decorative mold frame board 3 is housed in a recess provided in the second layer of surface material at the outer opening of
Furthermore, the fixture 15 and the formwork tightening bolt 8 are screwed together using the connecting rod 16.
固定金具１５の先端は挿通孔１１内の断熱材１
層の深さに達している。しかし固定金具の長さｌ
は化粧型枠板３の厚さｔより短かく挿通孔１１内
に固定金具１５が達していない挿通孔長手方向に
沿うクリアランスｄが設けられている。 The tip of the fixing fitting 15 is connected to the heat insulating material 1 in the insertion hole 11.
The depth of the layer has been reached. However, the length of the fixing bracket l
A clearance d along the longitudinal direction of the insertion hole is provided, which is shorter than the thickness t of the decorative frame plate 3 and which the fixing metal fitting 15 does not reach inside the insertion hole 11.
この型枠を組立てるに当つては、型枠締付け用
ボルト８の頭部に螺挿したナツト１７を回転し、
リブ座金１８を横端太６に当接して縦端太５を化
粧型枠板３表面に押着け、平座１０との間で、化
粧型枠板３を挾持固定する。この場合、精度高く
組立てると同時に変形を防止するため強固に固定
される。型枠内にコンクリート１９を打設、固化
後、型枠締付け用ボルト８を外すとともに端太
５，６、型枠４を解体撤去する。 To assemble this formwork, rotate the nut 17 screwed into the head of the formwork tightening bolt 8,
A rib washer 18 is brought into contact with the horizontal end piece 6, the vertical end piece 5 is pressed against the surface of the decorative form board 3, and the decorative form frame board 3 is clamped and fixed between it and the flat seat 10. In this case, it is assembled with high precision and at the same time is firmly fixed to prevent deformation. After concrete 19 is poured into the formwork and hardened, the formwork tightening bolts 8 are removed and the shafts 5, 6 and formwork 4 are dismantled and removed.
この型枠組立、コンクリートの打設の工程にお
いて、化粧型枠板を縦端太５と平座１０との間で
緊締挾持し、断熱材１は比較的に圧縮強度が低い
ので、特に平座１０の位置において圧縮変形して
厚みの減少が起り、固定金具１５の鍔部１２端が
外側に突出したり、コンクリート１９との間に間
隙を生じたりする場合がある。この発明において
は、このような場合第２図のようにコンクリート
固化後固定金具１５をセパレータ７の端部の周り
に回転して挿通孔１１内のクリアランスｄ内に押
込み、鍔部１２を化粧型枠板の表面材２層に設け
た凹陥部に密着収納して緊締係止し、断熱材１を
コンクリート１９に密着させて化粧型枠板３を固
定する。このため、固定金具１５の端部が表面に
突出して体裁を損ねたりコンクリート躯体間に間
隙を生じたりあるいは固定強度が低下したりする
ことがない。なお、この実施例においては固定金
具の鍔部１２には対向位置に２つの締付孔２０，
２０があるので、これを引掛けて回転させること
ができる。 In the process of assembling the formwork and pouring concrete, the decorative formwork board is tightly clamped between the vertical shaft 5 and the flat plate 10, and since the insulation material 1 has a relatively low compressive strength, Compressive deformation occurs at the position 10 and the thickness decreases, and the end of the flange 12 of the fixture 15 may protrude outward or create a gap with the concrete 19. In this invention, in such a case, after the concrete hardens, the fixing metal fitting 15 is rotated around the end of the separator 7 and pushed into the clearance d in the insertion hole 11, and the flange 12 is molded into a decorative mold. The decorative mold frame board 3 is fixed by closely storing and tightening the heat insulating material 1 into the concave portion provided in the second layer of the surface material of the frame board, and by bringing the heat insulating material 1 into close contact with the concrete 19. Therefore, the ends of the fixing fittings 15 do not protrude to the surface and spoil the appearance, create gaps between the concrete frames, or reduce the fixing strength. In this embodiment, the flange 12 of the fixture has two tightening holes 20 at opposing positions.
20, so you can hook it up and rotate it.
固定金具１５の長さｌと化粧型枠板３の厚さｔ
との差クリアランスｄは厚さｔ、断熱材の圧縮強
度、平座１０の面積および施工条件によるが、例
えば断熱材として厚さ38mmのポリスチレン発泡
板、表面材として厚さ10mmの繊維補強コンクリー
ト板よりなる化粧型枠板を用いるとクリアランス
ｄは３〜５mm以上あるならばこの目的を達成でき
る。 The length l of the fixing metal fitting 15 and the thickness t of the decorative frame board 3
The difference clearance d between the two depends on the thickness t, the compressive strength of the insulation material, the area of the flat seat 10, and the construction conditions. This objective can be achieved by using a decorative form board made of a material having a clearance d of 3 to 5 mm or more.
平座１０の面積、あるいは平座を用いた場合は
止座９の面積は広い方が型枠締付け用ボルト８の
締結圧力を広い面積で支持するので断熱材の圧縮
変形を低く押え固定金具１５の浮上りを緩和で
き、建込精度の向上を図ることができる。良好な
結果を得るにはその面積Ｓは
Ｓ＞1000Ｔ／Ｅ
Ｓ：面積
Ｔ：断熱材の厚さ
Ｅ：断熱材の圧縮弾性率Kg／cm2
であり、特に好ましい条件はＳ＞5000Ｔ／Ｅである。 The larger the area of the flat seat 10 or the area of the stop seat 9 when a flat seat is used, the wider the area supports the tightening pressure of the formwork tightening bolt 8, thereby suppressing compressive deformation of the heat insulating material and fixing metal fitting 15. It is possible to reduce the floating of the material and improve the accuracy of construction. To obtain good results, the area S is S>1000T/E S: Area T: Thickness of the insulation material E: Compressive elastic modulus of the insulation material Kg/cm 2 Particularly preferable conditions are S>5000T/E It is.
圧縮弾性率＝120Kg／cm2、厚さ3.8cmのポリスチ
レン発泡板の場合はＳ＞5000×3.8／120＝158（cm2）が
最適となる。 In the case of a polystyrene foam board with a compressive modulus of elasticity of 120 Kg/cm 2 and a thickness of 3.8 cm, the optimum value is S>5000×3.8/120=158 (cm 2 ).
第４図、第５図は別の施工実施例である。この
施工においては、セパレーター７の端にコーン２
１を、さらにコーン２１にセツトボルト２２をそ
れぞれ螺合連結し、コーン２１底面に接して平座
１０を介挿して、化粧型枠板３の挿通孔１１にセ
ツトボルト２２を挿通する。他方挿通孔１１の外
側からハツト型固定金具１５を差込み、ねじ孔１
３にセツトボルト２２とを螺合挿通して、鍔部１
２を挿通孔１１外側開口部の表面材３層に設けた
凹陥部内に収納して、平座１０と鍔部１２で化粧
型枠板３を挾持する状態とする。そして固定金具
１５を貫通突出したセツトボルト２２端部に型枠
締付け用ボルト８を螺合連結し、ナツト１７を締
付けて、型枠を緊締組立てる。この場合も固定金
具１５の長さｌは化粧型枠板３の厚さｔより短か
く挿通孔１１内にクリアランスｄを設ける。 Figures 4 and 5 show another construction example. In this construction, cone 2 is attached to the end of separator 7.
1 and a cone 21 with a set bolt 22, a flat seat 10 is inserted in contact with the bottom surface of the cone 21, and the set bolt 22 is inserted into the insertion hole 11 of the decorative frame plate 3. Insert the hat-shaped fixture 15 from the outside of the other insertion hole 11, and
3 and the set bolt 22, and then attach the flange 1.
2 is housed in a recess provided in the third layer of the surface material at the outer opening of the insertion hole 11, and the decorative mold frame plate 3 is held between the flat seat 10 and the flange 12. Then, the formwork tightening bolt 8 is threadedly connected to the end of the set bolt 22 that protrudes through the fixture 15, and the nut 17 is tightened to assemble the formwork. In this case as well, the length l of the fixture 15 is shorter than the thickness t of the decorative frame plate 3 to provide a clearance d within the insertion hole 11.
この型枠においてもコンクリート１９打設後、
断熱材１が圧縮変形して、厚みが減少して固定金
具１５が表面に浮上つた場合は固定金具をセツト
ボルト２２の周りに回転移動させて、挿通孔１１
クリアランスｄに押込みその鍔部１２を凹陥部内
に密着収納し、化粧型枠板３をコンクリート１９
に密着して緊締固定する。なお、セツトボルト２
２はコンクリート打設後コーン２１内にねじ込
み、固定金具１５の鍔部内には凹陥部を閉塞する
コーキング材２３が充填される。 Even in this formwork, after pouring concrete 19,
If the heat insulating material 1 is compressed and deformed, its thickness is reduced, and the fixing metal fitting 15 rises to the surface, rotate the fixing metal fitting around the set bolt 22 and insert it into the insertion hole 11.
Push the decorative form frame board 3 into the concrete 19 by pushing it into the clearance d and storing the flanged part 12 tightly in the recessed part.
Tighten and fix it tightly. In addition, set bolt 2
2 is screwed into the cone 21 after concrete is poured, and the flange of the fixture 15 is filled with caulking material 23 to close the recess.
第６図もこの発明の施工実施例である。この施
工例はセパレーター７の先端に中央部に止座９が
あるターンバツクル２４を螺合連結し、止座９外
側に平座１０を介挿して挿通孔１１に差込み、挿
通孔外側から差込んだハツト型固定金具１５を螺
合貫通したセツトボルト２２の先端部をターンバ
ツクル２４に螺合し、その基端部を型枠締付け用
ボルト８に螺合して連結して組立てる。この場合
も固定金具１５先端とターンバツクル２４端との
間には挿通孔長手方向に沿うクリアランスｄが設
けてあり、断熱材１が圧縮変形して固定金具１５
が浮上つた場合は、固定金具をセツトボルト２２
の周りに回転して移動させ、クリアランスｄ内に
押込み、鍔部１２を表面材層に設けた凹陥部内に
密着収納し、化粧型枠板３をコンクリート１９に
緊締固定する。この場合セツトボルト２２はター
ンバツクル２４内にねじ込み挿通孔１１内に収納
する。 FIG. 6 also shows a construction example of this invention. In this construction example, a turnbuckle 24 having a stop seat 9 in the center is screwed to the tip of the separator 7, and a flat seat 10 is inserted outside the stop seat 9 and inserted into the insertion hole 11, and inserted from the outside of the insertion hole. The tip of the set bolt 22, which has passed through the hat-shaped fixing metal fitting 15, is screwed into the turnbuckle 24, and its base end is screwed into the formwork tightening bolt 8 to connect and assemble. In this case as well, a clearance d along the longitudinal direction of the insertion hole is provided between the end of the fixing metal fitting 15 and the end of the turnbuckle 24, so that the heat insulating material 1 is compressively deformed and the fixing metal fitting 15 is
If it rises to the surface, remove the fixing bracket by tightening the set bolt 22.
The decorative form board 3 is firmly fixed to the concrete 19 by rotating and moving the decorative form board 3 by pushing it into the clearance d and closely storing the flange part 12 in the recess provided in the surface material layer. In this case, the set bolt 22 is screwed into the turnbuckle 24 and housed in the insertion hole 11.
この発明は以上の構成であつて、化粧型枠板は
セパレーターあるいはセパレーターに連結したセ
ツトボルトに螺合したハツト型固定具により固定
され、コンクリート硬化後化粧型枠板の厚みが減
少し、固定具が表面に浮上つたり、コンクリート
との間に間隙を生じるような場合は、固定具を回
転して移動しその鍔部を化粧型枠板の表面材に密
着係止する。このため固定具が表面に浮上るこ
とがなく体裁を損ねない。化粧型枠板をコンク
リート躯体に密着強固に、かつ精度高く固定でき
る。セパレーターを用い固定できるので施工面
においても材料、工数に無駄がない。 In this invention, the decorative form board is fixed by the separator or a hat-shaped fixture screwed into the set bolt connected to the separator, and after the concrete hardens, the thickness of the decorative form board is reduced and the fixture is fixed. If it rises to the surface or creates a gap between it and the concrete, rotate and move the fixture to tightly lock the flange to the facing material of the decorative form board. Therefore, the fixture does not float to the surface and does not spoil the appearance. Decorative formwork boards can be firmly and precisely fixed to the concrete frame. Since it can be fixed using a separator, there is no waste of materials and man-hours in terms of construction.
図面は施工実施例を示すもので、第１図、第２
図は施工中および施工後の縦断面図、第３図はハ
ツト型固定具の斜視図、第４図、第５図は別の実
施例の施工中、施工後の縦断面図、第６図も別の
実施例の施工状態を示す縦断面図である。
１……断熱材、２……表面材、３……化粧型枠
板、４……型枠板、５……縦端太、７……セパレ
ーター、８……型枠締付け用ボルト、９……止
座、１０……平座、１１……挿通孔、１２……鍔
部、１３……ねじ孔、１４……本体部、１５……
固定金具、１６……連結棒、１７……ナツト、１
８……リブ座金、１９……コンクリート、２０…
…締付孔、２１……コーン、２２……セツトボル
ト、２３……コーキング材、２４……ターンバツ
クル。
The drawings show construction examples and include Figures 1 and 2.
The figures are longitudinal cross-sectional views during and after construction, Figure 3 is a perspective view of the hat-shaped fixture, Figures 4 and 5 are longitudinal cross-sectional views of another embodiment during and after construction, and Figure 6 is a vertical cross-sectional view of another embodiment during and after construction. FIG. 6 is a vertical cross-sectional view showing a construction state of another embodiment. 1... Insulating material, 2... Surface material, 3... Decorative form board, 4... Form board, 5... Vertical end thick, 7... Separator, 8... Formwork tightening bolt, 9... ... Stop seat, 10 ... Flat seat, 11 ... Insertion hole, 12 ... Flange, 13 ... Screw hole, 14 ... Main body, 15 ...
Fixing bracket, 16... Connecting rod, 17... Nut, 1
8...Rib washer, 19...Concrete, 20...
... Tightening hole, 21 ... Cone, 22 ... Set bolt, 23 ... Caulking material, 24 ... Turnbuckle.
Claims (1)
用の化粧型枠板をコンクリート躯体表面に固定す
る工法において、化粧型枠板に挿通した型枠組立
用セパレーター端部あるいはこれに連結したセツ
トボルトに、一端に鍔部があるハツト型固定具を
その鍔部を化粧型枠板外側方向になし、化粧型枠
板のセパレータ挿通孔の外側開口部の表面材層に
設けた凹陥部内に収納して螺合連結し、鍔部側端
部に型枠締付け用ボルトを連結して型枠を組立て
コンクリートを打設し、コンクリート固化後固定
具をセパレーター端部あるいはこれに連結したセ
ツトボルトの周りに回転して移動し、その鍔部を
化粧型枠板の表面材に密着係止して化粧型枠板を
コンクリート躯体表面に密着して固定することを
特徴とする化粧型枠板の固定工法。1 In a method of fixing a decorative formwork board that serves both as a formwork and has a heat insulating material on the inside and a surface material on the outside to the surface of a concrete structure, the end of the separator for formwork assembly inserted through the decorative formwork board or connected to this The set bolt has a hat-shaped fixing device with a flange at one end, with the flange facing toward the outside of the decorative form frame plate, and is housed in the recess provided in the surface material layer of the outer opening of the separator insertion hole of the decorative form frame plate. The formwork is assembled by connecting bolts for tightening the formwork to the end of the flange, and concrete is poured. After the concrete hardens, attach the fixing device to the end of the separator or around the set bolts connected to it. A method for fixing a decorative form board, which is characterized in that the decorative form board is fixed in close contact with the surface of a concrete frame by rotating and moving and tightly locking the flange part to the surface material of the decorative form board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6487980A JPS56163343A (en) | 1980-05-16 | 1980-05-16 | Fixing of decorative frame plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6487980A JPS56163343A (en) | 1980-05-16 | 1980-05-16 | Fixing of decorative frame plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56163343A JPS56163343A (en) | 1981-12-15 |
| JPS6326221B2 true JPS6326221B2 (en) | 1988-05-28 |
Family
ID=13270839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6487980A Granted JPS56163343A (en) | 1980-05-16 | 1980-05-16 | Fixing of decorative frame plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56163343A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5062822B2 (en) * | 2007-04-09 | 2012-10-31 | アキレス株式会社 | Mounting method of exterior material in outer heat insulation method using separator connecting bracket |
-
1980
- 1980-05-16 JP JP6487980A patent/JPS56163343A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56163343A (en) | 1981-12-15 |
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