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JPH0815764B2 - Lightweight concrete panel manufacturing method - Google Patents

Lightweight concrete panel manufacturing method

Info

Publication number
JPH0815764B2
JPH0815764B2 JP2214851A JP21485190A JPH0815764B2 JP H0815764 B2 JPH0815764 B2 JP H0815764B2 JP 2214851 A JP2214851 A JP 2214851A JP 21485190 A JP21485190 A JP 21485190A JP H0815764 B2 JPH0815764 B2 JP H0815764B2
Authority
JP
Japan
Prior art keywords
foamed resin
resin plate
autoclave
lightweight
concrete panel
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 - Lifetime
Application number
JP2214851A
Other languages
Japanese (ja)
Other versions
JPH0497835A (en
Inventor
徹 斎藤
賢明 小澤
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.)
Misawa Homes Co Ltd
Original Assignee
Misawa Homes Co Ltd
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 Misawa Homes Co Ltd filed Critical Misawa Homes Co Ltd
Priority to JP2214851A priority Critical patent/JPH0815764B2/en
Publication of JPH0497835A publication Critical patent/JPH0497835A/en
Publication of JPH0815764B2 publication Critical patent/JPH0815764B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Panels For Use In Building Construction (AREA)
  • Laminated Bodies (AREA)

Description

【発明の詳細な説明】 [産業上の利用分野] 本発明は、軽量コンクリートパネルの製造方法に関
し、建物の壁として使用される例えば軽量気泡コンクリ
ートパネルの製造に利用できる。
TECHNICAL FIELD The present invention relates to a method for manufacturing a lightweight concrete panel, and can be used for manufacturing, for example, a lightweight cellular concrete panel used as a wall of a building.

[背景技術] 近年、プレハブ式ユニット住宅の壁パネルとして軽量
気泡コンクリートパネルが使用されている。このような
軽量気泡コンクリートパネルは、セメントと珪砂を主原
料とするスラリーに泡を加えたものを成形用型枠内に打
設し、一次的に養生硬化させてパネルに成形した後、こ
のパネルをオートクレーブに入れて高温、高圧下で蒸気
養生させることにより得られる。
BACKGROUND ART In recent years, lightweight cellular concrete panels have been used as wall panels for prefabricated unit houses. Such a lightweight cellular concrete panel is cast by adding foam to a slurry containing cement and silica sand as the main raw materials, and is temporarily cured and cured to form a panel. Is placed in an autoclave and steam-cured under high temperature and high pressure.

作製された軽量気泡コンクリートパネル自体は、発泡
樹脂板と比較すると、熱伝導率が高く(約0.110kal/m2
・hr℃)、断熱性に劣り、余り良好な保温性が得られな
い。そこで、従来、断熱性を高めるため、パネルの室内
側の面に断熱材を貼り、更にこの断熱材の上に化粧材を
貼り合わせたものが使用されている。
The produced lightweight cellular concrete panel itself has higher thermal conductivity (about 0.110 kal / m 2
・ Hr ° C), inferior in heat insulation, and not able to obtain very good heat retention. Therefore, conventionally, in order to improve the heat insulating property, a material in which a heat insulating material is pasted on the indoor side surface of the panel and a decorative material is pasted on the heat insulating material is used.

[発明が解決しようとする課題] 上述したように、軽量気泡コンクリートパネルの断熱
性を高めるため、室内側の面に断熱材を貼り、更に化粧
材を貼り合わせるようにした構成の場合、全体の厚さが
厚く、かつ重くなるという問題点があった。また、パネ
ルに断熱材と化粧材の両者を貼り合わせるのに手間と時
間がかかり、製造効率を落としていた。
[Problems to be Solved by the Invention] As described above, in order to improve the heat insulating property of the lightweight cellular concrete panel, in the case of a structure in which a heat insulating material is attached to the surface on the indoor side and further a decorative material is attached, There is a problem that the thickness is thick and heavy. In addition, it takes time and effort to attach both the heat insulating material and the decorative material to the panel, which reduces the manufacturing efficiency.

一方、このような問題点を解決するため、発泡樹脂板
が埋設された構造の建物用パネルも提案されている(特
開平2−176051号公報等)が、製造の際、発泡樹脂板の
膨張によるひび割れが発生する虞れがあった。
On the other hand, in order to solve such a problem, a building panel having a structure in which a foamed resin plate is embedded has also been proposed (Japanese Patent Laid-Open No. 2-176051 and the like). There was a risk that cracks would occur due to

本発明は、製造の際、発泡樹脂板の膨張によるひび割
れの発生を防止できる軽量コンクリートパネルの製造方
法を提供することを目的とする。
It is an object of the present invention to provide a method for manufacturing a lightweight concrete panel that can prevent cracking due to expansion of a foamed resin plate during manufacturing.

[課題を解決するための手段] 本発明に係る軽量コンクリートパネルの製造方法は、
発泡樹脂板の表面にオートクレーブの温度で溶ける熱可
塑性発泡樹脂層を形成する工程と、成形用型枠内にこの
発泡樹脂板を配置する工程と、前記成形用型枠内にコン
クリートスラリーを打設する工程と、成形されたパネル
にオートクレーブ養生を施す工程とを有することを特徴
とする。
[Means for Solving the Problems] A method for manufacturing a lightweight concrete panel according to the present invention is
Forming a thermoplastic foamed resin layer that melts at the temperature of the autoclave on the surface of the foamed resin plate, placing this foamed resin plate in the molding frame, and placing concrete slurry in the molding frame. And a step of subjecting the molded panel to autoclave curing.

前記軽量コンクリートには、軽量骨材コンクリート及
び気泡コンクリートが含まれる。また、この気泡コンク
リートとは、常圧養生気泡コンクリートとオートクレー
ブ養生気泡コンクリート(ALC)である。
The lightweight concrete includes lightweight aggregate concrete and cellular concrete. In addition, the aerated concrete is a normal pressure cured aerated concrete and an autoclave cured aerated concrete (ALC).

前記発泡樹脂板の発泡樹脂基材としては、フェノール
樹脂、ポリ塩化ビニリデン樹脂、ケイ素樹脂等を使用す
ることができる。
As the foamed resin base material of the foamed resin plate, phenol resin, polyvinylidene chloride resin, silicon resin or the like can be used.

前記オートクレーブの温度で溶ける熱可塑性発泡樹脂
層は、例えば熱可塑性発泡樹脂ビーズを発泡樹脂板の表
面に接着材で均一の厚さに接着することにより形成する
ことができる。
The thermoplastic foam resin layer that melts at the temperature of the autoclave can be formed, for example, by adhering the thermoplastic foam resin beads to the surface of the foam resin plate with an adhesive to a uniform thickness.

使用する具体的な樹脂は、オートクレーブ養生を約18
0℃で行う場合、例えば発泡ポリスチレン等である。
The specific resin used is about 18 times autoclave cured.
When performed at 0 ° C., for example, expanded polystyrene or the like is used.

[作用] 本発明に係る軽量コンクリートパネルの製造方法によ
れば、オートクレーブ工程において、オートクレーブの
熱により発泡樹脂板が膨張するが、同時にこのオートク
レーブの熱により発泡樹脂板の表面に形成された熱可塑
性発泡樹脂層が溶けて、生じた空隙に膨張した部分の発
泡樹脂板が入り込むため、発泡樹脂板の膨張によるひび
割れを発生させずに、本発明の軽量コンクリートパネル
を製造することができるようになる。
[Operation] According to the method for producing a lightweight concrete panel according to the present invention, in the autoclave process, the foamed resin plate expands due to the heat of the autoclave, but at the same time, the thermoplastic resin formed on the surface of the foamed resin plate by the heat of the autoclave. Since the foamed resin layer melts and the foamed resin plate of the expanded portion enters into the generated void, the lightweight concrete panel of the present invention can be manufactured without causing cracks due to expansion of the foamed resin plate. .

[実施例] 本実施例に係る軽量コンクリートパネルの製造方法
は、軽量気泡コンクリートパネルの製造に適用した場合
の実施例である。
[Example] The method for producing a lightweight concrete panel according to the present example is an example applied to the production of a lightweight cellular concrete panel.

先ず、第1図(A)に示すように、発泡フェノール樹
脂板より成る発泡樹脂板11を使用し、この発泡樹脂板11
の表面に接着剤を塗布した後、発泡ポリスチレンビーズ
を塗布して略均一の厚さの熱可塑性発泡樹脂層12を形成
する。ここで使用する発泡ポリスチレンビーズは、直径
が1〜3mmのものであり、これは約90℃から柔らかくな
り、約130℃で粘性のある液体となる。ここで使用する
発泡樹脂板11は、熱伝導率が0.020〜0.025kcal/m2・hr
℃と低く、良好な断熱性を有する。
First, as shown in FIG. 1 (A), a foamed resin plate 11 made of a foamed phenolic resin plate is used.
After the adhesive is applied to the surface of, the expanded polystyrene beads are applied to form the thermoplastic expanded resin layer 12 having a substantially uniform thickness. The expanded polystyrene beads used here have a diameter of 1 to 3 mm, which softens from about 90 ° C to a viscous liquid at about 130 ° C. The foamed resin plate 11 used here has a thermal conductivity of 0.020 to 0.025 kcal / m 2 · hr.
It is as low as ℃ and has good heat insulation.

次に、第1図(B)に示すように、成形用型枠13内に
図示しない支持具を使用して配筋材14と共に、配筋材14
の中央にこの発泡樹脂板11を配置する。そして、この状
態で成形用型枠13内に気泡が混入されたコンクリートス
ラリー15を打設する。この後、所定時間養生させてコン
クリートスラリー15を一次的に硬化させる。
Next, as shown in FIG. 1 (B), the reinforcing material 14 and
The foamed resin plate 11 is arranged at the center of the. Then, in this state, the concrete slurry 15 in which air bubbles are mixed is placed in the molding frame 13. After that, the concrete slurry 15 is temporarily cured by curing for a predetermined time.

次に、第1図(C)に示すように、成形されたパネル
16をオートクレーブ17内に搬送して、例えば180℃、10
気圧、4時間の条件でオートクレーブ養生を施す。この
オートクレーブ養生において、オートクレーブの熱によ
り熱可塑性発泡樹脂層12が溶け、生じた空隙に膨張した
部分の発泡樹脂板11が入り込む。
Next, as shown in FIG. 1 (C), a molded panel
16 is conveyed into the autoclave 17 and, for example, 180 ℃, 10
Autoclave curing is performed under atmospheric pressure for 4 hours. In this autoclave curing, the thermoplastic foamed resin layer 12 is melted by the heat of the autoclave, and the expanded resin plate 11 of the expanded portion enters into the generated void.

次に、第2図に示すように、オートクレーブ養生終了
後、オートクレーブ17から取り出して軽量気泡コンクリ
ートパネル16を得る。この軽量気泡コンクリートパネル
16は、図示するように、軽量気泡コンクリート18の中央
に長手方向に沿って発泡樹脂板11が埋設された構造を有
する。
Next, as shown in FIG. 2, after curing the autoclave, it is taken out of the autoclave 17 to obtain a lightweight cellular concrete panel 16. This lightweight cellular concrete panel
As shown in the figure, 16 has a structure in which a foamed resin plate 11 is embedded in the center of a lightweight cellular concrete 18 along the longitudinal direction.

本実施例の軽量コンクリートパネルの製造方法によれ
ば、オートクレーブ工程において、オートクレーブの熱
により発泡樹脂板11が膨張するが、同時にこのオートク
レーブの熱により発泡樹脂板11の表面に形成された熱可
塑性発泡樹脂層12が溶けて、生じた空隙に膨張した部分
の発泡樹脂板11が入り込むため、発泡樹脂板11の膨張に
よる軽量気泡コンクリート18のひび割れ等が生じること
なく、軽量コンクリートパネル16を製造することができ
る。
According to the method for manufacturing a lightweight concrete panel of the present embodiment, in the autoclave process, the foamed resin plate 11 expands due to the heat of the autoclave, but at the same time, the thermoplastic foam formed on the surface of the foamed resin plate 11 by the heat of the autoclave. Since the resin layer 12 is melted and the expanded resin plate 11 in the expanded portion enters into the generated void, the lightweight concrete panel 16 is manufactured without cracking of the lightweight cellular concrete 18 due to expansion of the expanded resin plate 11. You can

なお、上記実施例は、軽量コンクリートが軽量気泡コ
ンクリートの場合のパネルであるが、軽量コンクリート
が軽量骨材コンクリートの場合であっても本発明を同様
に適用して発泡樹脂板が埋設されたパネルが得られる。
Although the above examples are panels in which the lightweight concrete is lightweight cellular concrete, a panel in which a foamed resin plate is embedded by applying the present invention similarly even when the lightweight concrete is lightweight aggregate concrete. Is obtained.

また、上記実施例では、熱可塑性発泡樹脂層12を形成
するために、多数の発泡ポリスチレンビーズを発泡樹脂
板11に接着するようにしたが、熱可塑性発泡胃樹脂層12
の形成法は任意であり、例えば発泡ポリスチレン板を発
泡樹脂板11に貼り付けるようにしてもよい。
Further, in the above embodiment, in order to form the thermoplastic foamed resin layer 12, a large number of expanded polystyrene beads were adhered to the foamed resin plate 11, but the thermoplastic foamed gastric resin layer 12 was used.
Any method may be used to form the above. For example, a foam polystyrene plate may be attached to the foam resin plate 11.

[発明の効果] 本発明に係る軽量コンクリートパネルの製造方法によ
れば、製造の際、発泡樹脂板の膨張によるひび割れの発
生を防止できる。
[Effects of the Invention] According to the method for manufacturing a lightweight concrete panel of the present invention, it is possible to prevent cracking due to expansion of the foamed resin plate during manufacturing.

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

第1図(A)〜(C)は本発明に係る軽量コンクリート
パネルの製造方法の一実施例を示す工程図、第2図はこ
の製造方法によって得られた軽量コンクリートパネルの
断面図である。 11……発泡樹脂板、12……熱可塑性発泡樹脂層、13……
成形用型枠、15……コンクリートスラリー、16……パネ
ル、17……オートクレーブ、18……軽量気泡コンクリー
ト。
1 (A) to 1 (C) are process drawings showing an embodiment of a method for manufacturing a lightweight concrete panel according to the present invention, and FIG. 2 is a sectional view of a lightweight concrete panel obtained by this manufacturing method. 11 …… Foamed resin plate, 12 …… Thermoplastic foamed resin layer, 13 ……
Forming mold, 15 …… Concrete slurry, 16 …… Panel, 17 …… Autoclave, 18 …… Lightweight cellular concrete.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】発泡樹脂板の表面にオートクレーブの温度
で溶ける熱可塑性発泡樹脂層を形成する工程と、 成形用型枠内にこの発泡樹脂板を配置する工程と、 前記成形用型枠内にコンクリートスラリーを打設する工
程と、 成形されたパネルにオートクレーブ養生を施す工程と を有することを特徴とする軽量コンクリートパネルの製
造方法。
1. A step of forming a thermoplastic foamed resin layer that melts at the temperature of an autoclave on the surface of a foamed resin plate, a step of disposing this foamed resin plate in a molding frame, and a step of placing the foamed resin plate in the molding frame. A method for producing a lightweight concrete panel, which comprises a step of placing concrete slurry and a step of subjecting the formed panel to autoclave curing.
JP2214851A 1990-08-13 1990-08-13 Lightweight concrete panel manufacturing method Expired - Lifetime JPH0815764B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2214851A JPH0815764B2 (en) 1990-08-13 1990-08-13 Lightweight concrete panel manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2214851A JPH0815764B2 (en) 1990-08-13 1990-08-13 Lightweight concrete panel manufacturing method

Publications (2)

Publication Number Publication Date
JPH0497835A JPH0497835A (en) 1992-03-30
JPH0815764B2 true JPH0815764B2 (en) 1996-02-21

Family

ID=16662600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2214851A Expired - Lifetime JPH0815764B2 (en) 1990-08-13 1990-08-13 Lightweight concrete panel manufacturing method

Country Status (1)

Country Link
JP (1) JPH0815764B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68927879T2 (en) * 1988-12-06 1997-10-09 Shaikh Ghaleb Mohammad Y A Composition of materials for inhibiting fires or explosions and process therefor
US5863490A (en) * 1995-05-25 1999-01-26 Japan Casting & Forging Corporation Gas blast nozzle for molten metal and method of using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5875817U (en) * 1981-11-16 1983-05-23 サン・レイ工業株式会社 Insulating concrete block with hard urethane foam as core material
JPS6140522A (en) * 1984-08-01 1986-02-26 Matsushita Electric Ind Co Ltd Thermocouple type infrared detection element
JPS63195180A (en) * 1987-02-09 1988-08-12 日本重化学工業株式会社 Manufacture of lightweight concrete panel
JP2527593B2 (en) * 1988-03-23 1996-08-28 日本イトン工業株式会社 Lightweight concrete panel and its manufacturing method
JPH02176051A (en) * 1988-08-23 1990-07-09 Sekisui House Ltd Panel for building

Also Published As

Publication number Publication date
JPH0497835A (en) 1992-03-30

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