JP2010185187A - Outside heat insulation construction method and outside heat insulation concrete wall - Google Patents

Outside heat insulation construction method and outside heat insulation concrete wall Download PDF

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JP2010185187A
JP2010185187A JP2009028849A JP2009028849A JP2010185187A JP 2010185187 A JP2010185187 A JP 2010185187A JP 2009028849 A JP2009028849 A JP 2009028849A JP 2009028849 A JP2009028849 A JP 2009028849A JP 2010185187 A JP2010185187 A JP 2010185187A
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heat insulation
calcium carbonate
formwork
heat insulating
concrete
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Ikuho Kodama
育芳 児玉
Takayuki Toyoshima
崇幸 豊島
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an outside heat insulation construction method for constructing an outside heat insulation concrete wall easily at lower cost by use of a calcium carbonate foam board as a heat insulating material serving also as a form. <P>SOLUTION: In this outside heat insulation construction method, the form 20 is formed by bringing a plurality of heat insulation panels serving also as the form onto an outdoor side, concrete 31 is poured into the form thus formed, and hardening the poured concrete to construct the concrete wall being integral with the heat insulation panels serving also as the form. The calcium carbonate foam board 10 having no reinforcing rib is used as it is as the heat insulation panel serving also as the form. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、型枠兼用断熱パネルと一体となった外断熱コンクリート壁を構築するための外断熱工法および外断熱コンクリート壁に関する。   The present invention relates to an outer heat insulating construction method and an outer heat insulating concrete wall for constructing an outer heat insulating concrete wall integrated with a formwork combined heat insulating panel.

建築物の省エネルギー化の一手段として、コンクリート壁の屋外側に断熱板を貼り付けて外断熱コンクリート壁とすることが行われる。断熱板として、断熱性、耐湿性の面から発泡ポリスチレンのような合成樹脂発泡体や炭酸カルシウム系発泡板が用いられる。また、施工を簡略化するために、断熱板の一方の面に合板のような面材や桟木を取り付けた型枠兼用断熱パネルを用いる外断熱工法も採用されている。   As a means for energy saving of a building, a heat insulating plate is attached to the outdoor side of a concrete wall to form an external heat insulating concrete wall. As the heat insulating plate, a synthetic resin foam such as expanded polystyrene or a calcium carbonate-based foamed plate is used in terms of heat insulating properties and moisture resistance. In order to simplify the construction, an external heat insulation method using a heat insulating panel for a formwork in which a face material such as a plywood or a pier is attached to one surface of the heat insulating plate is also employed.

特許文献１には、型枠兼用断熱板として炭酸カルシウム系発泡板を用いる外断熱工法が記載されており、その外断熱工法では、コンクリート壁を構築する際に、補強リブで補強された炭酸カルシウム系発泡板を屋外側の堰板として型枠を形成し、この型枠内にコンクリートを打設した後に、炭酸カルシウム系発泡板を型バラシすることなくその表面にモルタルまたはモルタルを介したタイルなどの仕上材を固着するようにしている。また、前記補強リブとして硬質木毛セメントからなる補強リブを用いるようにしている。   Patent Document 1 describes an outer heat insulating method using a calcium carbonate foam plate as a mold and heat insulating plate. In the outer heat insulating method, when a concrete wall is constructed, calcium carbonate reinforced with reinforcing ribs is described. After forming a formwork using an outdoor foam board as a dam plate and placing concrete in the formwork, the surface of the calcium carbonate foam board is mortared or tiled with mortar, etc. The finishing material is fixed. Further, a reinforcing rib made of hard wood cement is used as the reinforcing rib.

特許第３７８５１３４号公報Japanese Patent No. 3785134

外断熱用の型枠兼用断熱板として炭酸カルシウム系発泡板を用いる場合、従来から、炭酸カルシウム系発泡板を補強リブで補強することは当然のことと解されており、特許文献１に記載の外断熱工法でも、補強リブとして硬質木毛セメントからなる補強リブを用いるようにしている。しかし、炭酸カルシウム系発泡板に補強リブを取り付けるには困難な作業を必要とし、また補強リブを取り付けた分だけ断熱板としての炭酸カルシウム系発泡板は重くなるので、型枠形成時に重機等による機械的補助が必要となる。そのようなことから、従来の外断熱工法は、コストも高く、また必ずしも容易な施工法とはいえない面があった。   In the case of using a calcium carbonate-based foamed plate as a mold and heat insulating plate for external heat insulation, it has been conventionally understood that the calcium carbonate-based foamed plate is reinforced with reinforcing ribs. Also in the outer heat insulating method, a reinforcing rib made of hard wood cement is used as the reinforcing rib. However, attaching a reinforcing rib to a calcium carbonate foam plate requires a difficult operation, and the calcium carbonate foam plate as a heat insulating plate becomes heavier as much as the reinforcing rib is attached. Mechanical assistance is required. For this reason, the conventional outer heat insulation method has a high cost and is not necessarily an easy construction method.

本発明は、上記のような事情に鑑みてなされたものであり、型枠兼用断熱材として炭酸カルシウム系発泡板を用いる外断熱工法を、より低いコストで、かつより容易に施工できるようにすることを課題とする。   This invention is made | formed in view of the above situations, and makes it possible to construct the outer heat insulation construction method using a calcium carbonate-type foam board as a formwork and heat insulating material at a lower cost and more easily. This is the issue.

本発明者らは、上記の課題を解決すべく型枠兼用断熱材として炭酸カルシウム系発泡板を用いる外断熱工法について、多くの実験を反復して行うことにより、炭酸カルシウム系発泡板は面圧に対して高い耐性を有しており、従来補強リブを取り付けて用いていた炭酸カルシウム系発泡板と同じ面積と厚さの炭酸カルシウム系発泡板を、補強リブを取り付けることなく型枠兼用断熱材として用いても、外断熱用の型枠兼用断熱板として十分に実用に耐え得る強度を備えていることを知見した。   In order to solve the above-mentioned problems, the inventors of the present invention have repeatedly conducted many experiments on an outer heat insulation method using a calcium carbonate foam plate as a mold and heat insulating material. It has a high resistance to the above, and a calcium carbonate foam plate having the same area and thickness as a calcium carbonate foam plate that has been used with a reinforcing rib is used as a formwork insulation without attaching a reinforcing rib. It has been found that even if used as a formwork heat insulating plate for external heat insulation, it has sufficient strength to withstand practical use.

本発明は、本発明者らが実験をとおして得た上記の知見に基づいてなされたものであり、本発明による外断熱工法は、コンクリート壁を構築するに際し、複数枚の型枠兼用断熱パネルが屋外側となるようにして型枠を形成し、形成した型枠内にコンクリートを流し込み、流し込んだコンクリートを硬化させて型枠兼用断熱パネルと一体となったコンクリート壁を構築する外断熱工法において、前記型枠兼用断熱パネルとして、補強リブを持たない炭酸カルシウム系発泡板を用いることを特徴とする。   The present invention has been made on the basis of the above knowledge obtained through experiments by the present inventors, and the outer heat insulation method according to the present invention is used to construct a plurality of sheet-form combined heat insulation panels when constructing a concrete wall. In the outer heat insulation construction method, a mold is formed so that is on the outdoor side, concrete is poured into the formed mold, and the poured concrete is cured to construct a concrete wall that is integrated with the heat insulating panel that also serves as the mold The calcium carbonate foam plate having no reinforcing ribs is used as the mold and heat insulation panel.

本発明による施工方法では、型枠兼用断熱パネルとして補強リブを持たない炭酸カルシウム系発泡板、すなわち市販されている炭酸カルシウム系発泡板をそのままの形で用いることができるので、従来の補強リブの製造や取り付け等、補強リブに係る作業を省略することができ、低コストでの施工が可能となる。また、炭酸カルシウム系発泡板自体は軽量物であり、重機などの機械を用いなくても作業者の手作業で型枠の組み立てを終えることができるので、型枠組み立て作業も容易となる。さらに、硬質木毛セメントのような材料で作られた補強リブを炭酸カルシウム系発泡板とともに用いる場合、補強リブからの塵埃が発生して作業環境の悪化を招く恐れがあるが、本発明による外断熱工法では、その懸念も払拭することができる。   In the construction method according to the present invention, a calcium carbonate-based foamed plate having no reinforcing rib as a formwork and heat insulating panel, that is, a commercially available calcium carbonate-based foamed plate can be used as it is. Work related to the reinforcing rib such as manufacture and attachment can be omitted, and construction at low cost is possible. Further, the calcium carbonate-based foam plate itself is a lightweight material, and the assembly of the mold can be completed manually by the operator without using a machine such as a heavy machine, so that the mold assembly is facilitated. Further, when a reinforcing rib made of a material such as hard wood cement is used together with a calcium carbonate foam plate, dust from the reinforcing rib may be generated and the working environment may be deteriorated. The heat insulation method can also eliminate that concern.

本発明による外断熱工法において、型枠兼用断熱パネルとして、型枠内に流し込んだコンクリートが入り込むことのできる凹溝を面内に有する炭酸カルシウム系発泡板を用いることもできる。断面がアリ溝形状をなす凹溝であることは、より好ましい。この態様では、凹溝内に入り込んで硬化したコンクリートによって、コンクリート壁と型枠兼用断熱パネルである炭酸カルシウム系発泡板との接合力をより高いものとすることができ、不用意に炭酸カルシウム系発泡板がコンクリート板から剥離するのを防止することができる。   In the outer heat insulating method according to the present invention, a calcium carbonate foam plate having in-plane concave grooves into which the concrete poured into the mold can enter can also be used as the mold and heat insulating panel. It is more preferable that the cross section is a concave groove having a dovetail shape. In this aspect, the concrete that has entered and hardened in the groove can have a higher bonding force between the concrete wall and the calcium carbonate foam plate that is a heat insulating panel that also serves as a formwork. It is possible to prevent the foamed plate from peeling from the concrete plate.

本発明による外断熱工法において、型枠兼用断熱パネルとして木口面に溝加工がされている炭酸カルシウム系発泡板を用いるとともに、前記加工溝にジョイント材を差し込むようにして隣接する炭酸カルシウム系発泡板を屋外側に建て込んでいくことは、より好ましい態様である。この態様では、隣接する炭酸カルシウム系発泡板同士の連結が安定するとともに、型枠内に流し込んだコンクリートののろが型枠兼用断熱パネルの表面側に流出するのを確実に阻止することができる。   In the outer heat insulation construction method according to the present invention, a calcium carbonate foam plate having a grooved surface on the end is used as a formwork combined heat insulation panel, and a calcium carbonate foam plate adjacent to the processed groove by inserting a joint material. It is a more preferable aspect to build in the outdoor side. In this aspect, the connection between the adjacent calcium carbonate foam plates is stabilized, and it is possible to reliably prevent the flow of the concrete poured into the mold from flowing out to the surface side of the mold-heat insulating panel. .

本発明による外断熱工法において、型枠兼用断熱パネルとして補強リブを持たない炭酸カルシウム系発泡板を接着剤により貼り付けて２層構造とした型枠兼用断熱パネルを用いることもできる。   In the outer heat insulation construction method according to the present invention, a mold / heat insulation panel having a two-layer structure in which a calcium carbonate foam plate without reinforcing ribs is attached with an adhesive can also be used as the mold / heat insulation panel.

本発明で使用する炭酸カルシウム系発泡板は表面に型枠を有しないので、接着剤を用いて２枚の炭酸カルシウム系発泡板を２層構造に積層することがきわめて容易である。さらに、薄手の炭酸カルシウム系発泡板は比較的に安価であり、所要厚さの型枠兼用断熱パネルを薄手の炭酸カルシウム系発泡板の２層構造で得ることにより、型枠兼用断熱パネルの製造コストを低減することができる。   Since the calcium carbonate foam plate used in the present invention does not have a mold on the surface, it is very easy to laminate two calcium carbonate foam plates in a two-layer structure using an adhesive. Furthermore, a thin calcium carbonate foam board is relatively inexpensive, and a mold / heat insulation panel having a required thickness is obtained by a two-layer structure of a thin calcium carbonate foam board, thereby producing a mold / heat insulation panel. Cost can be reduced.

本発明は、また、コンクリート壁の屋外側に補強リブを持たない炭酸カルシウム系発泡板が一体に貼り付けられていることを特徴とする外断熱コンクリート壁をも開示する。   The present invention also discloses an external heat insulating concrete wall characterized in that a calcium carbonate foam plate having no reinforcing ribs is integrally attached to the outdoor side of the concrete wall.

本発明では、型枠兼用断熱パネルとして補強リブを持たない炭酸カルシウム系発泡板を用いるようにしたので、従来から行われている型枠兼用断熱材として炭酸カルシウム系発泡板を用いる外断熱工法を、より低いコストで、かつより容易に施工ことが可能となる。   In the present invention, since the calcium carbonate-based foam plate having no reinforcing rib is used as the heat-insulating panel for both the formwork and the outer heat-insulating method using the calcium carbonate-based foam plate as the heat-insulating material for the formwork that has been conventionally used. Thus, it is possible to perform the construction more easily at a lower cost.

本発明による外断熱工法を説明するための図。The figure for demonstrating the outer heat insulation construction method by this invention. 要部の拡大断面図。The expanded sectional view of the principal part. 本発明による外断熱工法で使用する型枠兼用断熱パネルとしての炭酸カルシウム系発泡板の一例を説明するための立面図。The elevation view for demonstrating an example of the calcium carbonate type | system | group foam board as a formwork combined heat insulation panel used with the outer heat insulation construction method by this invention. 本発明による外断熱工法で使用する型枠兼用断熱パネルとしての炭酸カルシウム系発泡板の他の例を説明するための側面図。The side view for demonstrating the other example of the calcium carbonate type | system | group foam board as a formwork combined heat insulation panel used with the outer heat insulation construction method by this invention.

以下、本発明に係る型枠兼用断熱パネルを用いた施工方法について、図面を参照しながら説明する。
図１において、１０は、型枠兼用断熱パネルとして用いる補強リブを持たない炭酸カルシウム系発泡板であり、該炭酸カルシウム系発泡板を屋外側として型枠２０が形成される。型枠２０において、炭酸カルシウム系発泡板１０の反対側（屋内側）には、セパレータ２１で所定の距離を確保した状態で、合板等からなる屋内側の堰板（コンパネ）２２が立てられる。セパレータ２１における炭酸カルシウム系発泡板１０の内側に当接する位置には、軸足を備えた断熱パット２３が取り付けてあり、該断熱パット２３の軸足にはホームタイ２４が連結している。セパレータ２１の反対側の端部にはホームタイ２４が直接連結している。 Hereinafter, the construction method using the heat insulating panel for formwork according to the present invention will be described with reference to the drawings.
In FIG. 1, 10 is a calcium carbonate type | mold foam board which does not have a reinforcement rib used as a formwork combined heat insulation panel, and this form 20 is formed by making this calcium carbonate type | mold foam board the outdoor side. In the mold 20, on the opposite side (indoor side) of the calcium carbonate-based foam plate 10, an indoor dam plate (companion) 22 made of plywood or the like is erected in a state where a predetermined distance is secured by the separator 21. A heat insulating pad 23 having a shaft foot is attached to a position of the separator 21 that contacts the inside of the calcium carbonate foam plate 10, and a home tie 24 is connected to the shaft foot of the heat insulating pad 23. A home tie 24 is directly connected to the opposite end of the separator 21.

炭酸カルシウム系発泡板１０の屋外側、およびコンパネ２２の屋内側には、縦締鋼管２５および横締鋼管２６がそれぞれ取り付けられ、締め金具２７をホームタイ２４に差し込むことによって、炭酸カルシウム系発泡板１０とコンパネ２２との間にセパレータ２１の長さに規定される横幅であるコンクリート流し込み用空間３０を確保した状態で、型枠２０とされている。なお、この型枠２０は、型枠兼用断熱パネルとして補強リブを持たない炭酸カルシウム系発泡板１０を用いること以外は、従来知られた外断熱工法のための型枠と同じであってよく、図示のものは一例であって、これに限られない。   A vertical clamp steel pipe 25 and a horizontal clamp steel pipe 26 are respectively attached to the outdoor side of the calcium carbonate foam plate 10 and the indoor side of the panel 22, and by inserting a fastener 27 into the home tie 24, the calcium carbonate foam plate The mold 20 is formed in a state where a concrete pouring space 30 having a width defined by the length of the separator 21 is secured between the panel 10 and the panel 22. In addition, this formwork 20 may be the same as the formwork for a conventionally known outer heat insulation method, except that the calcium carbonate-based foamed plate 10 having no reinforcing rib is used as a formwork and heat insulation panel. The illustrated one is an example, and the present invention is not limited to this.

図２および図３を参照して、本発明による型枠兼用断熱パネルとして補強リブを持たない炭酸カルシウム系発泡板１０の一例を説明する。この例において、炭酸カルシウム系発泡板１０は、厚さＤ：３２ｍｍあるいはそれ以上、高さＨ：１８００ｍｍ、幅Ｗ：９００ｍｍ程度の矩形状のものであり、四周の木口面には、幅３ｍｍ、深さ２０ｍｍ程度のジョイント差込溝１１が形成されている。また、裏面には、３００ｍｍ程度の間隔Ｓをおいて、水平方向にアリ溝形状の凹溝１２が複数本（図示のものでは６本）形成されている。凹溝１２は入り口部の幅が２０ｍｍ、底面幅が３０ｍｍ、深さが５ｍｍ程度のものであってよい。   With reference to FIG. 2 and FIG. 3, an example of the calcium carbonate type | mold foam board 10 which does not have a reinforcement rib as a formwork combined heat insulation panel by this invention is demonstrated. In this example, the calcium carbonate foam plate 10 has a rectangular shape with a thickness D: 32 mm or more, a height H: 1800 mm, and a width W: 900 mm. A joint insertion groove 11 having a depth of about 20 mm is formed. Further, a plurality of dovetail grooves 12 (six in the figure) are formed in the horizontal direction on the back surface at intervals S of about 300 mm. The concave groove 12 may have a width of the entrance portion of 20 mm, a bottom surface width of 30 mm, and a depth of about 5 mm.

炭酸カルシウム系発泡板１０は、密度７０ｋｇ／ｍ３，圧縮強度０．１７Ｎ／ｍｍ２，曲げ強度０．５１Ｎ／ｍｍ２，曲げ弾性率２３．３Ｎ／ｍｍ２程度のものを好適に用いることができる。具体的例として、例えばロックセルボード（フジ化成工業株式会社の商品名）を挙げることができる。 The calcium carbonate foam plate 10 preferably has a density of 70 kg / m 3 , a compressive strength of 0.17 N / mm 2 , a bending strength of 0.51 N / mm 2 and a bending elastic modulus of about 23.3 N / mm 2. it can. As a specific example, for example, a lock cell board (trade name of Fuji Kasei Kogyo Co., Ltd.) can be mentioned.

複数枚の炭酸カルシウム系発泡板１０を用いて型枠兼用断熱パネルが形成されるが、そのときに、隣接する炭酸カルシウム系発泡板１０、１０は、木口面に形成した双方のジョイント差込溝１１、１１に入り込むことのできる横幅を持つジョイント（不図示）を、ジョイント差込溝１１、１１に差し込みながら、配置される。   A plurality of calcium carbonate-based foam plates 10 are used to form a heat insulating panel that also serves as a formwork. At that time, the adjacent calcium carbonate-based foam plates 10 and 10 have both joint insertion grooves formed on the end of the tree. 11, a joint (not shown) having a width that can enter the joint 11 is inserted into the joint insertion grooves 11, 11.

型枠２０を形成した後、前記したコンクリート流し込み用空間３０内に、定法によりコンクリート３１を流し込む。図２の拡大図によく示すように、コンクリート３１は炭酸カルシウム系発泡板１０の裏面に形成した凹溝１２にも入り込み、その状態で全体が硬化する。そのときに、隣接する炭酸カルシウム系発泡板１０、１０の接合面にはジョイントが介在しており、コンクリートののろが炭酸カルシウム系発泡板１０の屋外側に滲み出ることはない。   After the mold 20 is formed, the concrete 31 is poured into the concrete pouring space 30 by the usual method. As shown well in the enlarged view of FIG. 2, the concrete 31 also enters the concave groove 12 formed on the back surface of the calcium carbonate foam plate 10, and the whole is cured in this state. At that time, a joint is interposed between the joint surfaces of the adjacent calcium carbonate foam plates 10, 10, so that the concrete will not ooze out to the outdoor side of the calcium carbonate foam plates 10.

コンクリート３１の硬化後、締め金具２７をはずし、横締鋼管２６および縦締鋼管２５を取り外し、コンパネ２２を除去することにより、本発明によるコンクリート壁３１の屋外側に補強リブを持たない炭酸カルシウム系発泡板１０が一体に貼り付けられた外断熱コンクリート壁が形成される。前記のように、この外断熱コンクリート壁では、コンクリート３１は炭酸カルシウム系発泡板１０の裏面に形成した凹溝１２にも入り込んで硬化しており、炭酸カルシウム系発泡板１０がコンクリート壁３１から剥離するのは抑制される。   After the concrete 31 is cured, the fastener 27 is removed, the horizontal steel pipe 26 and the vertical steel pipe 25 are removed, and the panel 22 is removed, whereby the calcium carbonate system having no reinforcing rib on the outdoor side of the concrete wall 31 according to the present invention. An outer heat insulating concrete wall to which the foam plate 10 is integrally attached is formed. As described above, in this outer heat insulating concrete wall, the concrete 31 enters the concave groove 12 formed on the back surface of the calcium carbonate foam plate 10 and hardens, and the calcium carbonate foam plate 10 is peeled off from the concrete wall 31. It is suppressed to do.

なお、実際の建築物においては、形成された外断熱コンクリート壁の屋外側である炭酸カルシウム系発泡板１０の表面には、適宜の表面化粧材が取り付けられる。炭酸カルシウム系発泡板１０は屋外側に補強リブのような他の部材を有しないので、表面化粧材の取り付けも任意の位置に任意の手法で行うことができるメリットがある。   In an actual building, an appropriate surface decorative material is attached to the surface of the calcium carbonate-based foamed plate 10 that is the outdoor side of the formed external heat insulating concrete wall. Since the calcium carbonate-based foam board 10 does not have other members such as reinforcing ribs on the outdoor side, there is an advantage that the surface decorative material can be attached to any position by any method.

さらに、本発明による外断熱工法では、型枠兼用断熱パネルとして補強リブを持たない炭酸カルシウム系発泡板１０、すなわち市販されている炭酸カルシウム系発泡板１０をそのまま用いることができるので、低コストでの施工が可能となる。また、炭酸カルシウム系発泡板１０自体は軽量物であり、重機などの機械を用いなくても作業者の手作業で型枠２０の組み立てを終えることができ、型枠２０の組み立て作業も容易となる。   Furthermore, in the outer heat insulation construction method according to the present invention, the calcium carbonate foam plate 10 having no reinforcing ribs, that is, the commercially available calcium carbonate foam plate 10 can be used as it is as a mold and heat insulation panel. Can be constructed. Further, the calcium carbonate foam plate 10 itself is a lightweight material, and the assembly of the mold 20 can be completed manually by an operator without using a machine such as a heavy machine. Become.

なお、本発明による外断熱工法において、施工環境が許す場合には、炭酸カルシウム系発泡板１０として、ジョイント差込溝１１を有しない炭酸カルシウム系発泡板、あるいは型枠２０内に流し込んだコンクリートが入り込む凹溝１２を裏面に有しない炭酸カルシウム系発泡板を用いることもできる。   In the outer heat insulation method according to the present invention, when the construction environment permits, a calcium carbonate foam plate having no joint insertion groove 11 or concrete poured into the mold 20 is used as the calcium carbonate foam plate 10. It is also possible to use a calcium carbonate-based foamed plate that does not have a recessed groove 12 to enter on the back surface.

さらに、図４に示すような炭酸カルシウム系発泡板１０Ａを型枠兼用断熱パネルとして用いることもできる。この炭酸カルシウム系発泡板１０Ａは、例えば厚さｄ：が１６ｍｍの２枚の炭酸カルシウム系発泡板１０ｂ，１０ｂを接着剤を用いて接着積層することにより、２層構造からなる厚さＤ：３２ｍｍの炭酸カルシウム系発泡板１０Ａとされている。薄手の炭酸カルシウム系発泡板は比較的に安価であり、このように２層構造とすることにより、所要厚さの型枠兼用断熱パネルをより低コストで製造することができる。また、炭酸カルシウム系発泡板１０ｂは表面に補強リブのような他の部材を有しないので、接着剤を用いて２層構造とするのも容易である。   Furthermore, 10 A of calcium carbonate type foam boards as shown in FIG. 4 can also be used as a formwork combined heat insulation panel. The calcium carbonate foam plate 10A has a two-layer thickness D: 32 mm by, for example, laminating and laminating two calcium carbonate foam plates 10b and 10b having a thickness d: 16 mm using an adhesive. The calcium carbonate-based foam plate 10A. A thin calcium carbonate-based foamed plate is relatively inexpensive, and by using such a two-layer structure, it is possible to manufacture a mold / heat insulating panel having a required thickness at a lower cost. Further, since the calcium carbonate foam plate 10b does not have other members such as reinforcing ribs on the surface, it is easy to make a two-layer structure using an adhesive.

さらに、図示の例では、各炭酸カルシウム系発泡板１０ｂは木口面にあいじゃくり溝１３が加工されており、上下に隣接する炭酸カルシウム系発泡板１０ｂ同士はあいじゃくり接合されている。さらに、積層されている２枚の炭酸カルシウム系発泡板１０ｂ、２０ｂは互いにそのあいじゃくり接合部をずらすようにして接着接合されている。このようにすることにより、炭酸カルシウム系発泡板１０Ａの側圧に対する耐性を大きくできるとともに、流し込むコンクリートののろが炭酸カルシウム系発泡板１０Ａの屋外側に漏れ出すのも阻止することができる。なお、積層型の炭酸カルシウム系発泡板１０Ａにおいて、３枚以上の炭酸カルシウム系発泡板を接着接合してもよく、また、同じ厚さでなく厚さの異なる炭酸カルシウム系発泡板同士を接着接合してもよい。   Further, in the illustrated example, each calcium carbonate-based foam plate 10b has an abutment groove 13 formed on the end surface, and the calcium carbonate-based foam plates 10b adjacent in the vertical direction are joined together. Further, the two laminated calcium carbonate foam plates 10b and 20b are bonded and bonded together so that the gap between the two is shifted. By doing in this way, while being able to enlarge the tolerance with respect to the side pressure of 10 A of calcium carbonate-type foam boards, it can also prevent that the sludge of the poured concrete leaks out to the outdoor side of 10-A calcium carbonate-type foam boards. In addition, in the laminated calcium carbonate foam plate 10A, three or more calcium carbonate foam plates may be bonded and bonded, and calcium carbonate foam plates having different thicknesses are bonded together. May be.

１０…型枠兼用断熱パネルとして用いる炭酸カルシウム系発泡板、
１１…ジョイント差込溝、
１２…凹溝、
２０…型枠、
２１…セパレータ、
２２…コンパネ、
２５…縦締鋼管、
２６…横締鋼管、
３０…コンクリート流し込み用空間、
３１…コンクリート、コンクリート壁。 10: Calcium carbonate-based foam plate used as a heat insulating panel also used as a mold,
11 ... Joint insertion groove,
12 ... concave groove,
20 ... formwork,
21 ... Separator,
22 ... Control panel,
25 ... Vertical steel pipe,
26 ... Lateral steel pipe,
30 ... Concrete pouring space,
31 ... Concrete, concrete wall.

Claims (5)

コンクリート壁を構築するに際し、複数枚の型枠兼用断熱パネルが屋外側となるようにして型枠を形成し、形成した型枠内にコンクリートを流し込み、流し込んだコンクリートを硬化させて型枠兼用断熱パネルと一体となったコンクリート壁を構築する外断熱工法において、
前記型枠兼用断熱パネルとして、補強リブを持たない炭酸カルシウム系発泡板を用いることを特徴とする外断熱工法。 When constructing a concrete wall, form the formwork so that multiple sheets and heat insulation panels are on the outdoor side, pour concrete into the formed formwork, cure the poured concrete, and heat insulation for formwork In the outer insulation method of building a concrete wall integrated with the panel,
An outer heat insulating method characterized by using a calcium carbonate foam plate having no reinforcing rib as the formwork combined heat insulating panel. 請求項１に記載の外断熱工法であって、型枠兼用断熱パネルとして流し込んだコンクリートが入り込むことのできる凹溝を面内に有する炭酸カルシウム系発泡板を用いることを特徴とする外断熱工法。   2. The outer heat insulation method according to claim 1, wherein a calcium carbonate foam plate having in-plane concave grooves into which concrete poured as a formwork and heat insulation panel can enter is used. 請求項１または２に記載の外断熱工法であって、型枠兼用断熱パネルとして木口面に溝加工がされている炭酸カルシウム系発泡板を用いるとともに、前記加工溝にジョイント材を差し込むようにして隣接する炭酸カルシウム系発泡板を屋外側に建て込んでいくことを特徴とする外断熱工法。   The outer heat insulation method according to claim 1 or 2, wherein a calcium carbonate-based foamed plate having a grooved surface is used as a formwork and heat insulating panel, and a joint material is inserted into the processed groove. An external heat insulation method characterized by building adjacent calcium carbonate foam plates outdoors. 請求項１ないし３のいずれか一項に記載の外断熱工法であって、型枠兼用断熱パネルとして補強リブを持たない炭酸カルシウム系発泡板を接着剤により貼り付けて２層構造とした型枠兼用断熱パネルを用いることを特徴とする外断熱工法。   The outer heat insulation method according to any one of claims 1 to 3, wherein a calcium carbonate foam plate having no reinforcing rib is attached as a mold heat insulating panel with an adhesive to form a two-layer structure. An outer heat insulation method characterized by using a combined heat insulation panel. コンクリート壁の屋外側に補強リブを持たない炭酸カルシウム系発泡板が一体に貼り付けられていることを特徴とする外断熱コンクリート壁。   An outer heat insulating concrete wall characterized in that a calcium carbonate foam plate having no reinforcing ribs is integrally attached to the outdoor side of the concrete wall.
JP2009028849A 2009-02-10 2009-02-10 Outside heat insulation construction method and outside heat insulation concrete wall Pending JP2010185187A (en)

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CN104847041A (en) * 2015-03-31 2015-08-19 奥克森（北京）新材料科技有限公司 Manufacturing method of building heat insulation formwork with connecting elements
CN105332451A (en) * 2015-11-25 2016-02-17 沈阳建筑大学 Disassembly-free insulation template for external wall of building
CN107143067A (en) * 2017-07-06 2017-09-08 哈尔滨鸿盛房屋节能体系研发中心 A kind of assembled combined steel plate storehouse concrete structure heat-preserving wall component

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