JPH10140697A - Precast concrete panel - Google Patents

Precast concrete panel

Info

Publication number
JPH10140697A
JPH10140697A JP8300082A JP30008296A JPH10140697A JP H10140697 A JPH10140697 A JP H10140697A JP 8300082 A JP8300082 A JP 8300082A JP 30008296 A JP30008296 A JP 30008296A JP H10140697 A JPH10140697 A JP H10140697A
Authority
JP
Japan
Prior art keywords
frame
precast concrete
panel
heat insulating
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.)
Granted
Application number
JP8300082A
Other languages
Japanese (ja)
Other versions
JP3010344B2 (en
Inventor
Tadashi Yamada
征 山田
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP8300082A priority Critical patent/JP3010344B2/en
Publication of JPH10140697A publication Critical patent/JPH10140697A/en
Application granted granted Critical
Publication of JP3010344B2 publication Critical patent/JP3010344B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Load-Bearing And Curtain Walls (AREA)
  • Panels For Use In Building Construction (AREA)
  • Building Environments (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a precast concrete panel which is light weighted and strong in rigidity, excellent in heat insulation (dampproofing), and can be formed in high accuracy so as to facilitate the assembling work and the installing work. SOLUTION: This precast concrete panel 100 is used for a building structure such as a building. In this case, it is provided with a frame body 25 lattice-likely formed out of structural hollow steel 20 filled with heat insulating material 10, mesh reinforcements 30 arranged on both sides of the frame body 25, heat insulating material 10 filled in a hollow chamber 40 formed between the frame body 25 and the mesh reinforcements 30, and concrete material 50 integratedly covering them.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は、ビルディング等の
建築構造物に使用されるプレキャストコンクリートパネ
ルに関するものである。
The present invention relates to a precast concrete panel used for a building structure such as a building.

【0002】[0002]

【従来の技術】従来より、プレキャストコンクリートパ
ネルは、ユニット住宅や鉄骨軸組構造の建物等の内外
壁、床等に広く使用されている。この種のプレキャスト
コンクリートパネル内には、図4に示すように、パネル
の剛性を向上させるために、鉄筋を立体的に溶接した配
筋材が埋設されている。即ち、この種の従来のプレキャ
ストコンクリートパネルは、図示しない矩形に形成され
た型枠に配筋材を設置し、コンクリートを打設して硬化
後に型枠を脱型するという工法によって施工されてい
る。
2. Description of the Related Art Conventionally, precast concrete panels have been widely used for inner and outer walls, floors and the like of unit houses and buildings having a steel frame structure. In this type of precast concrete panel, as shown in FIG. 4, a reinforcing material in which reinforcing bars are three-dimensionally welded is buried to improve the rigidity of the panel. That is, this type of conventional precast concrete panel is constructed by installing a reinforcing member on a rectangular form (not shown), casting concrete, and removing the form after hardening. .

【0003】[0003]

【発明が解決しようとする課題】しかしながら、この種
の配筋材が埋設されたプレキャストコンクリートパネル
では、上述したように、配筋材が設置された型枠にコン
クリートを打設するため、コンクリートの使用量が非常
に多く、製品自体の重量が重くなってしまい工場から建
築現場まで運搬や高層コンクリート製プレハブ住宅等の
作業を容易に行なうことが難しいという問題があった。
また、型枠からプレキャストコンクリートパネルを脱型
するには強度として約120kgf/m2が必要とされるの
で、硬化までの所要時間として約12時間という長時間
が必要とされるため作業効率が非常に悪いという問題が
あった。さらに、この種のプレキャストコンクリートパ
ネルは、配筋材を骨組みとしてコンクリートのみを打設
して強度を得ているので、断熱性(防湿性)に劣るとい
う問題があった。
However, in a precast concrete panel in which this kind of reinforcing material is buried, as described above, concrete is poured into a form in which the reinforcing material is installed. There is a problem that the amount of use is extremely large, and the weight of the product itself becomes heavy, so that it is difficult to easily carry the work from a factory to a construction site or work on a high-rise concrete prefab house.
Also, since removing the precast concrete panel from the formwork requires a strength of about 120 kgf / m 2, it requires a long time of about 12 hours to harden, so work efficiency is extremely low. Had the problem of being bad. Furthermore, this type of precast concrete panel has a problem in that it is inferior in heat insulation (moisture proof) because it has a strength by casting only concrete using a reinforcing member as a framework.

【0004】本発明は上記の事情に鑑みてなされたもの
であり、その目的は、軽量で且つ強度の剛性を有し、断
熱性(防湿性)に優れていると共に、高精度に形成でき
てその組立作業や設置作業を容易に行うことができるプ
レキャストコンクリートパネルを提供することである。
SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a light-weight, high-strength stiffness, excellent heat insulating property (moisture-proof property), and high precision. An object of the present invention is to provide a precast concrete panel capable of easily performing the assembling work and the setting work.

【0005】[0005]

【課題を解決するための手段】以上の課題を解決するた
めに、本発明の採った手段は、実施形態において使用す
る符号を付して説明すると、まず、請求項1の発明は、
「断熱材10が充噴された構造用中空鋼材20により格
子状に形成された枠体25と、この枠体25の表裏面に
配設されたメッシュ筋30と、前記枠体25と前記メッ
シュ筋30との間に形成される中空室40に充填された
断熱材10と、これらを一体的に被覆するコンクリート
材50とを備えたことを特徴とするプレキャストコンク
リートパネル100」である。
Means for Solving the Problems To solve the above problems, the means adopted by the present invention will be described with reference numerals used in the embodiments. First, the invention of claim 1 is as follows.
"A frame 25 formed in a lattice shape by the structural hollow steel material 20 into which the heat insulating material 10 has been injected, a mesh bar 30 disposed on the front and back surfaces of the frame 25, the frame 25 and the mesh A precast concrete panel 100 "comprising a heat insulating material 10 filled in a hollow space 40 formed between the streaks 30 and a concrete material 50 for integrally covering these.

【0006】次に請求項2は、「前記構造用中空鋼材2
0に通気孔21を設けると共に、その通気孔21に連通
する流通孔51を前記コンクリート部材50に設けたこ
とを特徴とする請求項1記載のプレキャストコンクリー
トパネル。」である。
[0006] Next, claim 2 is "the structural hollow steel material 2
2. The precast concrete panel according to claim 1, wherein a ventilation hole is provided on the concrete member and a communication hole communicating with the ventilation hole is provided on the concrete member. ".

【0007】[0007]

【発明の実施の形態】以上のように構成された本願各発
明に係るプレキャストコンクリートパネル(以下PCパ
ネルという。)100の実施の形態を、図面に従って詳
細に説明する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a precast concrete panel (hereinafter, referred to as a PC panel) 100 according to each invention of the present application configured as described above will be described in detail with reference to the drawings.

【0008】図1に示すように、本願各発明に係るPC
パネル100は、前述したように、ユニット住宅等の外
壁として使用されるものである。
As shown in FIG. 1, the PC according to each invention of the present application
As described above, the panel 100 is used as an outer wall of a unit house or the like.

【0009】PCパネル100は、構造用中空鋼材20
により格子状に形成された枠体25が基本構造の骨組み
となる。
The PC panel 100 is made of a structural hollow steel material 20.
Thus, the frame 25 formed in a lattice shape becomes a framework of the basic structure.

【0010】この構造用中空鋼材20は、剛性を持たせ
るために内部が中空の四角柱状の鋼材によって形成さ
れ、その内部には断熱材10が充噴されている。断熱材
10はグラスウールや発泡スチロール等の周知の材料で
あり、特に限定するものではない。また、断熱効果のあ
る材料に限定することはなく、防音や保温効果のある材
料等を充噴してもよい。
The structural hollow steel material 20 is formed of a hollow quadrangular prism-shaped steel material so as to have rigidity, and a heat insulating material 10 is injected into the inside thereof. The heat insulating material 10 is a well-known material such as glass wool and styrene foam, and is not particularly limited. The material is not limited to a material having a heat insulating effect, but may be a material having a soundproofing or heat retaining effect.

【0011】そして、枠体25には通気孔21が、図1
又は2に示すように、適宜の箇所に形成されている。こ
の通気孔21は、枠体25をPCパネル100内に埋設
した際に、密閉状態になるため、火災時等の際に、温度
が上昇し枠体25内の空気が膨張したときの空気の逃げ
道である。そして、通気孔21から出た空気は、コンク
リート材50に形成された流通孔51を通って外気と流
通するように構成してある。これにより、温度上昇によ
る枠体の空気の膨張によって、枠体25とこの枠体25
を一体的に被覆しているコンクリート材50の破裂を防
止することが可能となる。
The frame 25 has a ventilation hole 21 as shown in FIG.
Alternatively, as shown in FIG. 2, it is formed at an appropriate place. When the frame 25 is buried in the PC panel 100, the air hole 21 is closed when the frame 25 is buried in the PC panel 100. This is a way out. The air that has flowed out of the ventilation hole 21 is configured to circulate with the outside air through a circulation hole 51 formed in the concrete material 50. Thereby, the frame 25 and the frame 25 are expanded by the expansion of the air of the frame due to the temperature rise.
It is possible to prevent the rupture of the concrete material 50 that integrally covers the concrete.

【0012】次に、枠体25の表裏面には、コンクリー
ト材50のひび割れを防止するために、補強部材として
メッシュ筋30が配設されており、メッシュ筋30と枠
体25の間には中空室40が形成される。
Next, on the front and back surfaces of the frame 25, mesh bars 30 are provided as reinforcing members in order to prevent the concrete material 50 from cracking, and between the mesh bars 30 and the frame 25. A hollow chamber 40 is formed.

【0013】メッシュ筋30は鉄筋を平面的に格子状に
溶接したものであり、枠体25の表裏面のうちいずれか
一方は溶接によって固定され、他方は脱着自在に配設さ
れている。これは、後述するPCパネル製作手順におい
て説明するように、コンクリート材50の打設時の途中
で中空室40に断熱材10を充噴できるように枠体25
の表裏面のうちいずれか一方のメッシュ筋30を脱着で
きるようにしたからである。尚、メッシュ筋30は実施
例に限定されるものではなく、斜交形状等でもよい。
The mesh bars 30 are formed by welding reinforcing bars in a lattice pattern in a plane. One of the front and rear surfaces of the frame 25 is fixed by welding, and the other is detachably disposed. As described in the PC panel manufacturing procedure to be described later, the frame 25 is formed so that the heat insulating material 10 can be injected into the hollow chamber 40 during the casting of the concrete material 50.
This is because any one of the mesh streaks 30 of the front and back surfaces can be detached. It should be noted that the mesh streaks 30 are not limited to the embodiment, and may have oblique shapes or the like.

【0014】中空室40の各室には、断熱材10が充噴
されているので、PCパネル100に使用されるコンク
リート材50の使用量を減少させることができ、PCパ
ネル100全体としての重量を軽量化することができる
と共に断熱性(防湿性)を高めることができるのであ
る。
Since each of the hollow chambers 40 is filled with the heat insulating material 10, the amount of the concrete material 50 used for the PC panel 100 can be reduced, and the weight of the entire PC panel 100 can be reduced. Can be reduced in weight and the heat insulation (moisture proof) can be enhanced.

【0015】本各発明は上記のように軽量化されている
ので、運搬等が非常に容易であるため、高層住宅やマン
ション、或はビルディングを建造するときに、作業能率
を著しく増大させるものあり、さらに加えて、PCパネ
ル100に埋設された枠体25を構成する構造用中空鋼
材20に運搬等に使用される吊下げ金具23が図示しな
いボルト等により固設してあるので、従来のプレキャス
トコンクリートパネルのように吊下げ金具の埋設不備が
原因となる製品の脱落を防止することができる。
Since each of the present inventions is light in weight as described above, it is very easy to transport and the like, so that when constructing a high-rise house, condominium, or building, the work efficiency is remarkably increased. In addition, since the hanging bracket 23 used for transportation and the like is fixed to the structural hollow steel material 20 constituting the frame 25 embedded in the PC panel 100 by a bolt or the like (not shown), the conventional precast Like a concrete panel, it is possible to prevent a product from dropping due to an insufficient embedding of a hanging bracket.

【0016】次に、本実施例のPCパネルの製作手順に
ついて説明する。
Next, the procedure for manufacturing the PC panel of this embodiment will be described.

【0017】まず、断熱材10を充噴した構造用中空鋼
材20によって矩形状の枠体を形成し、その矩形状の枠
体の内部に、所定間隔を設けて垂直に複数の構造用中空
鋼材20を配設し、その垂直に配設された構造用中空鋼
材20に対して直交するように複数の構造用中空鋼材2
0を配設し、図1に示すように、格子状の枠体25を形
成する。格子状に配設された構造用中空鋼材20は、剛
性を持たせるためにそれぞれ溶接によって固定されてい
る。従って、従来の如く、鉄筋を立体的に溶接して配筋
材を製作するよりも溶接箇所が少なく容易なため、作業
効率も向上し、且つ構造用中空鋼材20は四角柱状に形
成されているので、鉄筋に比べて溶接熱による変形等も
無いため枠体25を高精度に形成することができる。
First, a rectangular frame is formed by the structural hollow steel material 20 injected with the heat insulating material 10, and a plurality of structural hollow steel materials are vertically provided at predetermined intervals inside the rectangular frame. 20 and a plurality of structural hollow steel members 2 perpendicular to the vertically disposed structural hollow steel members 20.
0, and a grid-like frame 25 is formed as shown in FIG. The structural hollow steel materials 20 arranged in a lattice are fixed by welding in order to have rigidity. Therefore, as compared with the conventional method, the number of welding points is smaller and easier than the case where the reinforcing bars are manufactured by three-dimensionally welding the reinforcing bars, so that the working efficiency is improved, and the structural hollow steel member 20 is formed in a square pillar shape. Therefore, there is no deformation due to welding heat as compared with a reinforcing bar, and the frame 25 can be formed with high accuracy.

【0018】上述したように、枠体25の強度は従来の
プレキャストコンクリートパネル内に埋設された配筋材
に比較して非常に強く、脱型に必要とされるコンクリー
ト材50の硬化強度は従来の製品に比して約半分の50
kgf/m2〜70kgf/m2程度でよいのである。従って、コン
クリート材50を打設してから型枠の脱型までの所要時
間は約5〜6時間でよく、従来の作業時間に比べて大幅
に短縮できるのである。
As described above, the strength of the frame 25 is much higher than that of the reinforcing member buried in the conventional precast concrete panel, and the hardening strength of the concrete material 50 required for demolding is lower than that of the prior art. About 50% of products
We are good at kgf / m 2 ~70kgf / m 2 approximately. Therefore, the time required from the placement of the concrete material 50 to the removal of the formwork may be about 5 to 6 hours, which can be greatly reduced as compared with the conventional work time.

【0019】従って、図3に示したように、本各発明に
係るPCパネル100に埋設された枠体25の略中央部
に窓枠60を配設した場合でも、強度の剛性を有する高
精度なPCパネル100を容易に製作することができる
のである。
Therefore, as shown in FIG. 3, even when the window frame 60 is disposed substantially at the center of the frame 25 embedded in the PC panel 100 according to the present invention, a high-precision rigid A simple PC panel 100 can be easily manufactured.

【0020】次に、枠体25の表裏面のいずれか一方面
にメッシュ筋30を配設する。
Next, mesh bars 30 are provided on either one of the front and back surfaces of the frame 25.

【0021】そして、メッシュ筋30を配設した面が下
側になるように図示しない型枠に設置し、その型枠の中
にコンクリート材50を打設してPCパネル100の一
方面を形成する。
Then, it is installed on a mold (not shown) such that the surface on which the mesh streaks 30 are disposed is on the lower side, and a concrete material 50 is cast into the mold to form one surface of the PC panel 100. I do.

【0022】続いて、中空室40に断熱材10を充噴し
た後、他方面にメッシュ筋30を配設し、引続き型枠の
中にコンクリート材50を打設することにより枠体を一
体的に被覆する。この時にコンクリート材50を打設せ
ずに、ベニヤや石膏ボード等の住宅用ボートを配設して
さらに軽量化してもよい。
Subsequently, after the heat insulating material 10 is injected into the hollow chamber 40, the mesh streaks 30 are provided on the other surface, and the concrete material 50 is continuously driven into the mold to integrally form the frame. Cover. At this time, instead of placing the concrete material 50, a residential boat such as veneer or gypsum board may be provided to further reduce the weight.

【0023】そして、約5〜6時間後に、型枠を脱型す
ればPCパネル100が完成する。
After about 5 to 6 hours, the mold is released from the mold, and the PC panel 100 is completed.

【0024】[0024]

【発明の効果】以上詳述した通り、請求項1の発明に係
るPCパネルは、上記実施形態に例示した如く、軽量で
且つ強度の剛性を有し、断熱性(防湿性)に優れている
と共に、高精度に形成できてその組立作業や運搬等を非
常に容易に行うことができるため、ユニット住宅等や高
層住宅等やマンション等の高層住宅、或はビルディング
を建造するときに作業能率を著しく増大させるという優
れた効果を奏するものである。
As described in detail above, the PC panel according to the first aspect of the present invention is lightweight, has high rigidity, and is excellent in heat insulation (moisture proof) as exemplified in the above embodiment. At the same time, since it can be formed with high precision and its assembling work and transportation can be performed very easily, the work efficiency can be reduced when building a high-rise house such as a unit house, a high-rise house, a condominium, or a building. It has an excellent effect of significantly increasing.

【0025】次に、請求項2に係る発明は、上記請求項
1に係る発明と同様な目的を達成することができる他、
さらに、枠体を構成する構造用中空鋼材に通気孔を設け
ると共に、その通気孔に連通する流通孔を前記コンクリ
ート部材に設けたことにより、火災時等の際に、温度が
上昇し枠体内の空気が膨張し、枠体とその枠体を一体的
に被覆しているコンクリート材の破裂を防止することが
できるという優れた効果を奏するものである。
Next, the invention according to claim 2 can achieve the same object as the invention according to claim 1,
Furthermore, by providing a ventilation hole in the structural hollow steel material constituting the frame, and by providing a flow hole communicating with the ventilation hole in the concrete member, in the event of a fire or the like, the temperature rises and the inside of the frame is increased. An excellent effect is obtained in that the air expands and the rupture of the frame and the concrete material integrally covering the frame can be prevented.

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

【図1】本発明に係るプレキャストコンクリートパネル
の第1例を示した一部切欠平面図である。
FIG. 1 is a partially cutaway plan view showing a first example of a precast concrete panel according to the present invention.

【図2】図1におけるAーA線断面図である。FIG. 2 is a sectional view taken along line AA in FIG.

【図3】本発明に係るプレキャストコンクリートパネル
の第2例を示した一部切欠平面図である。
FIG. 3 is a partially cutaway plan view showing a second example of the precast concrete panel according to the present invention.

【図4】従来のプレキャストコンクリートパネルを示し
た一部切欠斜視図である。
FIG. 4 is a partially cutaway perspective view showing a conventional precast concrete panel.

【符号の説明】[Explanation of symbols]

100 プレキャストコンクリートパネル 10 断熱材 20 構造用中空部材 21 通気孔 25 枠体 30 メッシュ筋 40 中空室 50 コンクリート部材 51 流通孔 60 窓枠 REFERENCE SIGNS LIST 100 precast concrete panel 10 heat insulating material 20 structural hollow member 21 ventilation hole 25 frame 30 mesh bar 40 hollow chamber 50 concrete member 51 flow hole 60 window frame

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 FI E04B 2/56 645 E04B 2/56 645B E04C 2/06 E04C 2/06 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification code FI E04B 2/56 645 E04B 2/56 645B E04C 2/06 E04C 2/06

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】断熱材が充噴された構造用中空鋼材により
格子状に形成された枠体と、この枠体の表裏面に配設さ
れたメッシュ筋と、前記枠体と前記メッシュ筋との間に
形成される中空室に充填された断熱材と、これらを一体
的に被覆するコンクリート材とを備えたことを特徴とす
るプレキャストコンクリートパネル。
A frame formed of a hollow steel material for a structure into which a heat insulating material has been injected, formed in a grid, mesh bars provided on the front and back surfaces of the frame, and the frame and the mesh bars. A precast concrete panel, comprising: a heat insulating material filled in a hollow space formed therebetween; and a concrete material integrally covering the heat insulating material.
【請求項2】前記構造用中空鋼材に通気孔を設けると共
に、その通気孔に連通する流通孔を前記コンクリート部
材に設けたことを特徴とする請求項1記載のプレキャス
トコンクリートパネル。
2. A precast concrete panel according to claim 1, wherein said structural hollow steel material is provided with a ventilation hole and a flow hole communicating with said ventilation hole is provided in said concrete member.
JP8300082A 1996-11-12 1996-11-12 Precast concrete panel Expired - Fee Related JP3010344B2 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU730218B2 (en) * 1998-04-07 2001-03-01 Phillip Boot Holdings Pty. Ltd. Pre-cast concrete walling system
JP2003293470A (en) * 2002-04-03 2003-10-15 Tokyu Constr Co Ltd Rc construction building
US6973864B1 (en) * 2003-12-19 2005-12-13 The Cooper Union For The Advancement Of Science And Art Protective structure and protective system
KR100721707B1 (en) 2006-02-03 2007-05-25 이원근 A panel of wall
US7562613B2 (en) 2003-12-19 2009-07-21 The Cooper Union For The Advancement Of Science And Art Protective structure and protective system
CN102787690A (en) * 2012-08-11 2012-11-21 黑龙江宇辉新型建筑材料有限公司 Partition board with light fillers or empty holes in internal part and method
WO2021258685A1 (en) * 2020-06-24 2021-12-30 阿博建材(昆山)有限公司 Cast-in-place concrete cage cavity floor slab
KR20220144489A (en) * 2021-04-20 2022-10-27 송성민 Precast pannel and structure construction method using the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101764408B1 (en) * 2014-11-29 2017-08-02 박성범 Pencil sharpener

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU730218B2 (en) * 1998-04-07 2001-03-01 Phillip Boot Holdings Pty. Ltd. Pre-cast concrete walling system
JP2003293470A (en) * 2002-04-03 2003-10-15 Tokyu Constr Co Ltd Rc construction building
US6973864B1 (en) * 2003-12-19 2005-12-13 The Cooper Union For The Advancement Of Science And Art Protective structure and protective system
US7562613B2 (en) 2003-12-19 2009-07-21 The Cooper Union For The Advancement Of Science And Art Protective structure and protective system
KR100721707B1 (en) 2006-02-03 2007-05-25 이원근 A panel of wall
CN102787690A (en) * 2012-08-11 2012-11-21 黑龙江宇辉新型建筑材料有限公司 Partition board with light fillers or empty holes in internal part and method
WO2021258685A1 (en) * 2020-06-24 2021-12-30 阿博建材(昆山)有限公司 Cast-in-place concrete cage cavity floor slab
KR20220144489A (en) * 2021-04-20 2022-10-27 송성민 Precast pannel and structure construction method using the same

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