JP4615761B2 - Insulated PC wallboard connector - Google Patents

Insulated PC wallboard connector Download PDF

Info

Publication number
JP4615761B2
JP4615761B2 JP2001137002A JP2001137002A JP4615761B2 JP 4615761 B2 JP4615761 B2 JP 4615761B2 JP 2001137002 A JP2001137002 A JP 2001137002A JP 2001137002 A JP2001137002 A JP 2001137002A JP 4615761 B2 JP4615761 B2 JP 4615761B2
Authority
JP
Japan
Prior art keywords
embedded
connector
heat insulating
mounting bolt
heat
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
JP2001137002A
Other languages
Japanese (ja)
Other versions
JP2002332698A (en
Inventor
清二 竹田
敏行 八木
健二 土居
高正 関口
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.)
Mitsubishi Chemical Engineering Corp
Original Assignee
Mitsubishi Chemical Engineering Corp
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 Mitsubishi Chemical Engineering Corp filed Critical Mitsubishi Chemical Engineering Corp
Priority to JP2001137002A priority Critical patent/JP4615761B2/en
Publication of JP2002332698A publication Critical patent/JP2002332698A/en
Application granted granted Critical
Publication of JP4615761B2 publication Critical patent/JP4615761B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Building Environments (AREA)
  • Joining Of Building Structures In Genera (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、外断熱を考慮した共同住宅、病院等の建築物の壁、柱、梁などに取り付けられる断熱PC(プレキャスト)壁板の外壁材を支持する連結具に関するものである。
【0002】
【従来の技術】
冬場、壁がじっとり濡れる結露に悩まされる住宅は多い。見に見えない壁内部の結露も、かびの発生やアレルギーにつながるため、これらを防ぐための外断熱工法が注目を集めている。住宅、病院等の建築物の壁などをすっぽり断熱材で外側からくるむため、建物を長持ちさせる効果がある。このような外断熱工法として、予め工場で製造された断熱PC板を建物の壁等に取り付ける技術が種々提案されている。
【0003】
【発明が解決しようとする課題】
従来、断熱PC板において、外壁板を連結具のボルトに後付けするような場合、先ず、内板となる1層目を形成するに際し、メッシュ状壁筋内に点在するように例えば、箱状の金属製連結具を配置し、次いで、上方に断熱材層と通気層部分を残して、コンクリートを打設して製造される。このような、断熱PC板に使用される金属製連結具は、強度と剛性が容易に確保できる点で都合がよい。しかしながら、連結ボルトや連結金具がヒートブリッジを形成するため、熱損失が大きいという問題があり、断熱PC板に使用する部材としては必ずしも十分なものであるとは言えなかった。
【0004】
従って、本発明の目的は、外壁板を連結具のボルトに後付けするような断熱PC板で使用され、必要な強度と剛性を有し、且つヒートブリッジによる熱損失を最小限にすることができる連結具を提供することにある。
【0005】
【課題を解決するための手段】
すなわち、本発明(1)は、外壁板、通気層、断熱材層及び内板となるプレキャストコンクリート板からなる断熱PC壁板の該外壁板を支持する連結具であって、取付けボルトが埋め込まれたコンクリートブロックからなり、該取付けボルトの埋め込み部の下部には内蔵断熱材を有し、取付けボルトの突出側とは反対側の四隅には脚部が形成されてなることを特徴とする断熱PC壁板の連結具を提供するものである。
また、本発明(2)は、前記コンクリートブロックの上方の縁部が切り欠かれ、且つ該コンクリートブロックの周面が外殻鋼材で補強されたものである前記(1)記載の断熱PC壁板の連結具を提供するものである。
また、本発明(3)は、外壁板、通気層、断熱材層及び内板となるプレキャストコンクリート板からなる断熱PC壁板の該外壁板を支持する連結具であって、取付けボルトが埋め込まれたコンクリートブロックと、該取付けボルトの埋め込み部の周りに、該取付けボルトの埋め込み部とは離間して埋め込まれ、取付けボルトの突出側とは反対側に突出する4本の埋め込み支持鉄筋とを有してなることを特徴とする断熱PC壁板の連結具を提供するものである。
また、本発明(4)は、前記4本の埋め込み支持鉄筋は、突出側が斜め筋で有る場合、該埋め込み支持鉄筋を囲むようにフープ筋で接合されることを特徴とする前記(3)記載の断熱PC壁板の連結具を提供するものである。
また、本発明(5)は、前記4本の埋め込み支持鉄筋は、直筋である場合、該埋め込み支持鉄筋を囲むようにフープ筋で接合され、且つ互いに隣り合う埋め込み支持鉄筋同士をブレース筋で接合されることを特徴とする前記(3)記載の断熱PC壁板の連結具を提供するものである。
また、本発明(6)は、前記4本の埋め込み支持鉄筋の埋め込み部分の端部方向の延長線にあるコンクリートブロックの表面の四隅には、上面断熱材が付設されていることを特徴とする前記(3)〜(5)記載の断熱PC壁板の連結具を提供するものである。
また、本発明(7)は、外壁板、通気層、断熱材層及び内板となるプレキャストコンクリート板からなる断熱PC壁板の該外壁板を支持する連結具であって、取付けボルトが埋め込まれたコンクリートブロックと、該取付けボルトの埋め込み部の周りに、少なくとも4本の直筋をリング筋で円周上、均等幅となるように組付けた第1組立鉄筋と、該第1組立鉄筋とは同形状物であって、上下逆さで、該第1組立鉄筋とは互いに離間して嵌め合うように組付けられる第2組立鉄筋とを有し、取付けボルトの突出側とは反対側の四隅には脚部が形成されてなることを特徴とする断熱PC壁板の連結具を提供するものである。
【0006】
【発明の実施の形態】
本発明の第1の実施の形態における断熱PC壁板の連結具を図1〜図4を参照して説明する。図1は本例の断熱PC壁板の連結具を説明する図、図2は図1の連結具の底面図、図3は図1の連結具の斜視図及び図4は本例の連結具の断熱PC壁板における設置位置を説明する図である。図1において、連結具1aは、取付けボルト3と、取付けボルト3が埋め込まれるコンクリートブロック2(以下、単に「ブロック」とも言う。)からなり、該取付けボルト3の埋め込み部31の下部、すなわち、ボルト頭33を含んだ下部には内蔵断熱材4が埋設されている。取付けボルト3の突出側32は、外壁板14と結合するため螺子が切られている。内蔵断熱材4の上面は、断熱材層12と内板11の境界部分と同一面にある。内蔵断熱材4の大きさ(容量)は、特に制限されず、図1〜図3に示すような局所的なものから、下部全体を断熱材とするものであってもよい。また、取付けボルト3の突出側とは反対側の底部は略十字形の切り欠き部23によって形成される脚部22を四隅に設けている。また、取付けボルト3は1本に限定されず、2本であてもよい。このような構造を採る断熱PC壁板の連結具1aは、(1)断熱材層及び通気層を形成するに必要な空間を提供することができる。(2)コンクリートブロックを使用するため、必要な強度と剛性が容易に確保できると共に耐火性に優れる。(3)従来使用されていた金属製連結具に比べ、熱損失を大きく低減できる。(4)ブロックにスペーサー代わりに、脚部を設けるため、ブロックに埋め込んだ鉄筋のかぶり厚さが十分に確保でき、熱損失が低減されると共に、コンクリート打設時にブロック底部の切り欠き部23にセメントペーストが流れ込むため、均一な表面に仕上げることができる。(5)連結具に埋め込んだボルトの直下に断熱を設けるため、ヒートブリッジを遮断することができる。
【0007】
連結具1aの設置位置を図4を参照して説明する。連結具1aは図では省略する型枠内に配筋されたメッシュ状壁筋101内に点在するように複数配置される(図4(A))。次いで、図4(A)中の破線で示される厚さまで、コンクリートの打設が行われ内板11が形成される(図4(B))。次いで、コンクリート上に断熱材層12が付設される(図4(C))。この時、ブロックの僅かに突出する部分を残しておき、これを通気層13とする。なお、後付けとなる外壁板14は図4では省略されている。このように、連結具1aは外壁板14、通気層13、断熱材層12及び内板となるプレキャストコンクリート板11からなる断熱PC壁板10において、外壁板14を支持するように設置される。
【0008】
第1の実施の形態の変形例を図5に示す。図5(A)の連結具1bは、四角状ブロックの四隅をカットし、埋め込みボルトの長さ部分を断面十字形状にし、カット部分には断熱材5を貼り付けたものである。この連結具1bによれば、剛性を確保しつつ、軽量化が図れ、且つ熱損失を低減することができる。図5(B)の連結具1cは、四角状ブロック2に代えて、円筒状ブロック2aとしたものである。この連結具1cによれば、前期連結具1aと同様の効果を奏する。図5(C)の連結具1dは、連結具1cの円筒状ブロック2aの側面3か所をカットし、埋め込みボルトの長さ部分を断面変形三角形状にしたものである。この連結具1dによれば、剛性を確保しつつ、軽量化が図れる。なお、連結具1bの断熱材5は無くてもよい。
【0009】
本発明の第2の実施の形態における断熱PC壁板の連結具を図6及び図7を参照して説明する。図6は本例の断熱PC壁板の連結具を説明する図、図7(A)は図6の連結具の平面図、図7(B)は図6の連結具の底面図をそれぞれ示す。図6及び図7において、図1〜図3と同一構成要素には同一符号を付してその説明を省略し、異なる点について主に説明する。すなわち、図6の断熱PC壁板の連結具1eにおいて、連結具1aと異なる点は、ボルト頭33を含んだ下部にある内蔵断熱材4aを下部全体に付設した点、コンクリートブロック2の上方の縁部には、その高さが通気層13と同じの切り欠き部24を設けると共に、コンクリートブロック2の周面を外殻鋼材6で補強した点にある。この連結具1eは、コンクリートブロック2の周面を外殻鋼材6で補強してあるため、連結具の強度がコンクリートブロックだけでは不足する場合に好適に使用できる。外殻鋼材6としては、構造用鋼材や炭素繊維(FRP)角形引き抜き成型材が挙げられる。また、ヒートブリッジを回避するため、外殻鋼材6と取付けボルト3とは直接つながることなく、コンクリートブロック2を介しており、取付けボルト3の頭の下部には断熱材4aが埋設され、外殻鋼材6の頂部は切り欠き部24により、外板14との接触を回避している。このような構成を採る連結具1eは、更に、上記(1)〜(5)の効果を奏することができる。
【0010】
本発明の第3の実施の形態における断熱PC壁板の連結具を図8及び図9を参照して説明する。図8は本例の断熱PC壁板の連結具を説明する図、図9(A)は図8の連結具の平面図、図9(B)は図8の連結具の底面図をそれぞれ示す。図8及び図9中、断熱PC壁板の連結具1fは、取付けボルト3が埋め込まれたコンクリートブロック2と、該取付けボルト3の埋め込み部の周りに、取付けボルト3の埋め込み部とは離間して埋め込まれ、取付けボルト3の突出側とは反対側に突出する4本の直筋状の埋め込み支持鉄筋9a〜9dとを有してなる。埋め込み支持鉄筋9a〜9dはコンクリートブロック2内において、フープ筋7で固定されると共に、コンクリートブロック2外の裸鉄筋は、裸鉄筋の剛性を高めるため、互いに隣り合う埋め込み支持鉄筋同士を筋交いとなるブレース筋で接合される。すなわち、埋め込み支持鉄筋9aと9bはブレース筋8bで接合され、埋め込み支持鉄筋9bと9cはブレース筋8cで接合され、埋め込み支持鉄筋9cと9dはブレース筋8dで接合され、埋め込み支持鉄筋9dと9aはブレース筋8aで接合される。ブレース筋8a〜8dが形成される領域はその半分が断熱材層12にあり、他の半分とブレース筋の無い裸鉄筋の直筋部分が内板11に埋設されるがこれに限定されない。更に、4本の埋め込み支持鉄筋9a〜9dの埋め込み部分の端部方向の延長線にあるコンクリートブロックの表面の四隅には、ブロック状の断熱材51が付設されている。本例の連結具1fにおいて、取付けボルト3は2本であってもよく、また、断熱材51の付設は省略してもよい。この断熱PC壁板の連結具1fは、コンクリートブロック部分をできるだけ削ぎ落とし、剛性を保持する裸鉄筋とすることで熱損失を最小限とし、更に、ブロック部分では鉄筋と取付けボルト3との直接接触は無く、コンクリートを介しており、また、埋め込み支持鉄筋9bと9cの端部には熱伝達防止のための断熱材があるか、あるいは切り欠き部であるため、ヒートブリッジを回避している。このような構成を採る連結具1fは、更に、上記(1)〜(3)の効果を奏することができる。
【0011】
本発明の第4の実施の形態における断熱PC壁板の連結具を図10及び図11を参照して説明する。図10は本例の断熱PC壁板の連結具を説明する図、図11は図10の連結具の平面図をそれぞれ示す。図10及び図11において、図8、図9と同一構成要素には同一符号を付してその説明を省略し、異なる点について主に説明する。すなわち、本例の断熱PC壁板の連結具1gにおいて、連結具1fと異なる点は、埋め込み支持鉄筋の裸鉄筋部分を外広がりの斜め筋17a〜17dとした点、ブレース筋を使用しない点及びフープ筋を7a〜7bの2個使用した点にある。すなわち、埋め込み支持鉄筋の等鉄筋部分を外広がりの斜め筋17a〜17dとすることにより、地震などの水平方向の外力及び自重などの垂直方向の外力に対抗することができ、前記連結具1eと同様の効果を奏することができる。この連結具1gにおいても、取付けボルト3は2本であってもよく、また、上面断熱材51の付設は省略してもよい。
【0012】
本発明の第5の実施の形態における断熱PC壁板の連結具を図12及び図13を参照して説明する。図12は本例の断熱PC壁板の連結具を説明する図、図13は図12の連結具の平面図をそれぞれ示す。図12及び図13において、図10及び図11と同一構成要素には同一符合を付してその説明を省略し、異なる点について主に説明する。すなわち、本例の断熱PC壁板の連結具1hにおいて、連結具1gと異なる点は、埋め込み支持鉄筋18a〜18dの裸鉄筋部分の内、断熱材層12領域においては斜め筋181a〜181dを配し、内板のプレキャストの埋め込み部分においては斜め筋181a〜181d及び該斜め筋から垂直となるように屈曲させた直筋182a〜182dを配したものである。この断熱PC壁板の連結具1hによれば、前記連結具1gと同様の効果を奏する他、連結具1gの製作において、斜め筋がメッシュ状壁筋101に巧く納まらない場合に有効である。この連結具1hにおいても、取付けボルト3は2本であってもよく、また、上面断熱材51の付設は省略してもよい。
【0013】
本発明の第6の実施の形態における断熱PC壁板の連結具を図14及び図15を参照して説明する。図14は本例の断熱PC壁板の連結具を説明する図、図15は図14の連結具の平面図をそれぞれ示す。図14及び図15において、断熱PC壁板の連結具1iは、取付けボルト3が埋め込まれたコンクリートブロック2と、取付けボルト3の埋め込み部の周りに、少なくとも4本の直筋19a〜19dをリング筋71a、71bで円周上、均等幅となるように組付けた第1組立鉄筋19と、第1組立鉄筋19とは同形状物であって、上下逆さで、第1組立鉄筋19とは互いに離間して嵌め合うように組付けられる第2組立鉄筋20とを有し、取付けボルト3の突出側とは反対側の四隅には脚部22が形成されてなる。すなわち、第1組立鉄筋19において、リング筋71a、71bは4本の直筋19a〜19dの上方に接合されており、該第1組立鉄筋19に対して、第2組立鉄筋20を水平方向に45度回転させ、第2組立鉄筋20のリング筋72a、72bを第1組立鉄筋19の4本の直筋19a〜19d近傍まで嵌め合うように組付けられる。このような鉄筋の組立構造によれば、平面視8本の直筋19a〜19d及び20a〜20dは同一径の円周上に配置されることになり、連結具1iの剛性を保持しつつ、第1組立鉄筋19と第2組立鉄筋20の連続性が遮断され、ヒートブリッジを回避することができる。また、連結具1iの取付けボルト3の下方には内蔵断熱材が付設されていてもよい。この断熱PC壁板の連結具1iによれば、上記(1)〜(4)の効果を奏することができる。
【0014】
【発明の効果】
本発明によれば、必要な強度と剛性を有し、且つヒートブリッジによる熱損失を最小限にすることができる。
【図面の簡単な説明】
【図1】第1例における断熱PC壁板の連結具を説明する図である。
【図2】図1の連結具の底面図である。
【図3】図1の連結具の斜視図である。
【図4】図1の連結具の断熱PC壁板における設置位置を説明する図である。
【図5】第1例の変形例を示す斜視図である。
【図6】第2例における断熱PC壁板の連結具を説明する図である。
【図7】(A)は図6の連結具の平面図、(B)は底面図をそれぞれ示す。
【図8】第3例における断熱PC壁板の連結具を説明する図である。
【図9】(A)は図8の連結具の平面図、(B)は底面図をそれぞれ示す。
【図10】第4例における断熱PC壁板の連結具を説明する図である。
【図11】図10の連結具の平面図を示す。
【図12】第5例における断熱PC壁板の連結具を説明する図である。
【図13】図12の連結具の平面図を示す。
【図14】第6例における断熱PC壁板の連結具を説明する図である。
【図15】第14の連結具の平面図を示す。
【符号の説明】
1a〜1i 連結具
2、2a、2b コンクリートブロック
3 取付けボルト
4 内蔵断熱材
5、51 断熱材
6 外殻鋼材
7、7a、7b フープ筋
8a〜8d ブレース筋
9a〜9d、17a〜17d、18a〜18d 埋め込み支持鉄筋
10 断熱PC板
11 内板
12 断熱材層
13 通気層
14 外板
19 第1組立鉄筋
20 第2組立鉄筋
22 脚部
23 切り欠き部
31 埋め込み部
33 ボルト頭
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector for supporting an outer wall material of a heat insulating PC (precast) wall plate attached to a wall, a pillar, a beam, or the like of a building such as an apartment house or a hospital in consideration of outer heat insulation.
[0002]
[Prior art]
In winter, many homes are plagued by dew condensation that gets wet. Condensation inside the wall, which is not visible, can lead to mold and allergies, so the outer insulation method to prevent these is attracting attention. Since the walls of buildings such as houses and hospitals are completely covered with heat insulating material from the outside, it has the effect of prolonging the building. As such an external heat insulation method, various techniques for attaching a heat-insulated PC board manufactured in advance to a factory wall or the like have been proposed.
[0003]
[Problems to be solved by the invention]
Conventionally, when an outer wall plate is retrofitted to a bolt of a connector in a heat-insulated PC plate, first, when forming the first layer to be an inner plate, for example, a box shape so as to be scattered in a mesh-like wall line The metal connector is placed, and then the concrete is cast by leaving the heat insulating material layer and the ventilation layer portion above. Such a metal connector used for the heat insulating PC plate is advantageous in that strength and rigidity can be easily secured. However, since the connection bolt and the connection fitting form a heat bridge, there is a problem that heat loss is large, and it cannot be said that the member used for the heat-insulated PC board is necessarily sufficient.
[0004]
Accordingly, an object of the present invention is to be used in a heat insulating PC plate that attaches an outer wall plate to a bolt of a connector, has the necessary strength and rigidity, and can minimize heat loss due to a heat bridge. It is to provide a connector.
[0005]
[Means for Solving the Problems]
That is, the present invention (1) is a connector for supporting an outer wall plate of a heat-insulated PC wall plate made of an outer wall plate, a ventilation layer, a heat insulating material layer, and a precast concrete plate as an inner plate, in which a mounting bolt is embedded. A heat insulating PC comprising a built-in heat insulating material at a lower portion of the embedded portion of the mounting bolt, and leg portions formed at four corners on the side opposite to the protruding side of the mounting bolt. A wall panel connector is provided.
Moreover, this invention (2) is the heat insulation PC wall board of the said (1) description by which the upper edge part of the said concrete block was notched, and the surrounding surface of this concrete block was reinforced with the outer shell steel material. The connecting tool is provided.
Further, the present invention (3) is a connector for supporting the outer wall plate of a heat-insulated PC wall plate made of a precast concrete plate as an outer wall plate, a ventilation layer, a heat insulating material layer and an inner plate, in which a mounting bolt is embedded. A concrete block, and four embedded support reinforcing bars that are embedded around the embedded portion of the mounting bolt and spaced apart from the embedded portion of the mounting bolt and project on the side opposite to the protruding side of the mounting bolt. The connector of the heat insulation PC wall board characterized by being formed is provided.
Further, the present invention (4) is characterized in that the four embedded support reinforcing bars are joined by a hoop so as to surround the embedded supporting reinforcing bars when the protruding side is an oblique reinforcing bar. The connector of the heat insulation PC wall board is provided.
Further, in the present invention (5), when the four embedded support reinforcing bars are straight bars, they are joined by hoops so as to surround the embedded supporting reinforcing bars, and the adjacent embedded supporting reinforcing bars are braces. The connector for a heat insulating PC wall board according to the above (3), which is joined, is provided.
Moreover, this invention (6) is characterized by the upper surface heat insulating material being attached to the four corners of the surface of the concrete block in the extension line | wire of the edge part direction of the embedding part of the said 4 embedding support reinforcing bars. The connector of the heat insulation PC wall board of the said (3)-(5) description is provided.
The present invention (7) is a connector for supporting the outer wall plate of a heat-insulated PC wall plate made of a precast concrete plate as an outer wall plate, a ventilation layer, a heat insulating material layer, and an inner plate, in which a mounting bolt is embedded. A concrete block, a first assembled reinforcing bar having at least four straight bars arranged circumferentially with a ring bar to have an equal width around the embedded portion of the mounting bolt, and the first assembled reinforcing bar, Is the same shape, and has a second assembly reinforcing bar that is assembled upside down with the first assembly reinforcing bar spaced apart from each other, and has four corners opposite to the protruding side of the mounting bolt. The present invention provides a connector for a heat insulating PC wall board, characterized in that a leg portion is formed.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
A connector for a heat-insulating PC wall plate according to the first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a view for explaining a connector for a heat-insulated PC wall plate of this example, FIG. 2 is a bottom view of the connector of FIG. 1, FIG. 3 is a perspective view of the connector of FIG. It is a figure explaining the installation position in the heat insulation PC wall board. In FIG. 1, the connecting tool 1a includes a mounting bolt 3 and a concrete block 2 in which the mounting bolt 3 is embedded (hereinafter also simply referred to as “block”), and is below the embedded portion 31 of the mounting bolt 3, that is, A built-in heat insulating material 4 is embedded in the lower part including the bolt head 33. The protruding side 32 of the mounting bolt 3 is threaded to connect with the outer wall plate 14. The upper surface of the built-in heat insulating material 4 is flush with the boundary portion between the heat insulating material layer 12 and the inner plate 11. The magnitude | size (capacity | capacitance) of the built-in heat insulating material 4 is not restrict | limited in particular, From the local thing as shown in FIGS. 1-3, you may use the whole lower part as a heat insulating material. Further, the bottom of the mounting bolt 3 opposite to the projecting side is provided with leg portions 22 formed by substantially cross-shaped cutout portions 23 at the four corners. Further, the number of mounting bolts 3 is not limited to one and may be two. The heat insulating PC wall plate connector 1a adopting such a structure can provide (1) a space necessary for forming a heat insulating material layer and a ventilation layer. (2) Uses a concrete block, so the necessary strength and rigidity can be easily secured and fire resistance is excellent. (3) Heat loss can be greatly reduced as compared with conventionally used metal couplers. (4) Since the legs are provided in place of the spacers in the block, the cover thickness of the reinforcing bars embedded in the block can be sufficiently secured, heat loss is reduced, and the notch 23 at the bottom of the block is placed at the time of concrete placement. Since cement paste flows in, it can finish to a uniform surface. (5) Since heat insulation is provided directly under the bolts embedded in the coupler, the heat bridge can be blocked.
[0007]
The installation position of the coupler 1a will be described with reference to FIG. A plurality of connectors 1a are arranged so as to be interspersed in mesh-like wall bars 101 arranged in a mold that is not shown in the figure (FIG. 4A). Next, concrete is cast to a thickness indicated by a broken line in FIG. 4A to form an inner plate 11 (FIG. 4B). Next, the heat insulating material layer 12 is attached on the concrete (FIG. 4C). At this time, a slightly protruding portion of the block is left, and this is used as the ventilation layer 13. Note that the outer wall plate 14 to be retrofitted is omitted in FIG. Thus, the connector 1a is installed so that the outer wall board 14 may be supported in the heat insulation PC wall board 10 which consists of the outer wall board 14, the ventilation layer 13, the heat insulating material layer 12, and the precast concrete board 11 used as an inner board.
[0008]
A modification of the first embodiment is shown in FIG. The connector 1b shown in FIG. 5A is obtained by cutting four corners of a square block, making the length of the embedded bolt into a cross-shaped cross section, and attaching the heat insulating material 5 to the cut portion. According to this connector 1b, weight reduction can be achieved and heat loss can be reduced while ensuring rigidity. The connector 1c shown in FIG. 5B is a cylindrical block 2a in place of the square block 2. According to this connector 1c, there exists an effect similar to the 1st term connector 1a. The connector 1d in FIG. 5C is obtained by cutting three side surfaces of the cylindrical block 2a of the connector 1c and making the length of the embedded bolt into a cross-sectionally deformed triangular shape. According to the connector 1d, the weight can be reduced while ensuring the rigidity. In addition, the heat insulating material 5 of the coupler 1b may be omitted.
[0009]
A connector for a heat insulating PC wall board according to a second embodiment of the present invention will be described with reference to FIGS. FIG. 6 is a diagram for explaining the connector for the heat insulating PC wall plate of this example, FIG. 7A is a plan view of the connector of FIG. 6, and FIG. 7B is a bottom view of the connector of FIG. . 6 and 7, the same components as those in FIGS. 1 to 3 are denoted by the same reference numerals, description thereof is omitted, and different points are mainly described. 6 is different from the connector 1a in that the built-in heat insulating material 4a at the lower part including the bolt head 33 is attached to the entire lower part, and the upper part of the concrete block 2 is different from the connector 1a. The edge portion is provided with a notch portion 24 having the same height as that of the air-permeable layer 13, and the peripheral surface of the concrete block 2 is reinforced with the outer shell steel material 6. Since the peripheral surface of the concrete block 2 is reinforced with the outer shell steel material 6, the connection tool 1 e can be suitably used when the strength of the connection tool is insufficient only with the concrete block. Examples of the outer shell steel material 6 include structural steel materials and carbon fiber (FRP) square pultruded materials. Further, in order to avoid heat bridge, the outer shell steel material 6 and the mounting bolt 3 are not directly connected but through the concrete block 2, and a heat insulating material 4 a is buried under the head of the mounting bolt 3, and the outer shell The top of the steel material 6 avoids contact with the outer plate 14 by the notch 24. The connector 1e having such a configuration can further achieve the effects (1) to (5).
[0010]
A connector for a heat-insulating PC wall plate according to a third embodiment of the present invention will be described with reference to FIGS. FIG. 8 is a diagram for explaining the connector for the heat insulating PC wall plate of this example, FIG. 9A is a plan view of the connector of FIG. 8, and FIG. 9B is a bottom view of the connector of FIG. . In FIG. 8 and FIG. 9, the connector 1 f of the heat insulating PC wall plate is separated from the concrete block 2 in which the mounting bolt 3 is embedded and the embedded portion of the mounting bolt 3 around the embedded portion of the mounting bolt 3. Embedded, and has four straight supporting embedded reinforcing bars 9a to 9d protruding on the opposite side of the mounting bolt 3 from the protruding side. The embedded support reinforcing bars 9a to 9d are fixed in the concrete block 2 by the hoop bars 7, and the bare reinforcing bars outside the concrete block 2 are braided between the embedded supporting reinforcing bars adjacent to each other in order to increase the rigidity of the bare reinforcing bars. Joined with braces. That is, the embedded support reinforcing bars 9a and 9b are joined by the brace reinforcement 8b, the embedded support reinforcing bars 9b and 9c are joined by the brace reinforcement 8c, the embedded support reinforcing bars 9c and 9d are joined by the brace reinforcement 8d, and the embedded support reinforcing bars 9d and 9a are joined. Are joined by brace muscles 8a. Half of the region where the brace bars 8a to 8d are formed is in the heat insulating material layer 12, and the other half and the straight reinforcing bar portion without the brace bars are embedded in the inner plate 11, but the invention is not limited to this. Further, block-shaped heat insulating materials 51 are attached to the four corners of the surface of the concrete block, which are the extension lines in the end direction of the embedded portions of the four embedded support reinforcing bars 9a to 9d. In the connector 1f of this example, the number of the mounting bolts 3 may be two, and the attachment of the heat insulating material 51 may be omitted. This heat insulating PC wall plate connector 1f cuts the concrete block part as much as possible to make it a bare rebar that maintains rigidity, minimizing heat loss, and in the block part, direct contact between the rebar and the mounting bolt 3 There is no concrete, and there is a heat insulating material for preventing heat transfer at the ends of the embedded supporting reinforcing bars 9b and 9c or a cutout portion, so that a heat bridge is avoided. The connector 1f having such a configuration can further exhibit the effects (1) to (3).
[0011]
A connector for a heat insulating PC wall board according to a fourth embodiment of the present invention will be described with reference to FIGS. FIG. 10 is a diagram for explaining the connector for the heat-insulated PC wall plate of this example, and FIG. 11 is a plan view of the connector of FIG. 10 and 11, the same components as those in FIGS. 8 and 9 are denoted by the same reference numerals, description thereof is omitted, and different points are mainly described. That is, in the connector 1g of the heat-insulated PC wall plate of this example, the difference from the connector 1f is that the bare reinforcing bar portion of the embedded support reinforcing bar is an outwardly extending oblique line 17a to 17d, the point that the brace bar is not used, and The point is that two hoops 7a to 7b are used. That is, by setting the rebar portions of the embedded support rebars as outwardly extending oblique bars 17a to 17d, it is possible to counter the horizontal external force such as an earthquake and the vertical external force such as its own weight, and the connection tool 1e. Similar effects can be achieved. Also in this connector 1g, the number of mounting bolts 3 may be two, and the attachment of the upper surface heat insulating material 51 may be omitted.
[0012]
A connector for a heat insulating PC wall board according to a fifth embodiment of the present invention will be described with reference to FIGS. FIG. 12 is a view for explaining the connector for the heat-insulated PC wall plate of this example, and FIG. 13 is a plan view of the connector of FIG. In FIGS. 12 and 13, the same components as those in FIGS. 10 and 11 are denoted by the same reference numerals, the description thereof is omitted, and different points are mainly described. In other words, the heat insulating PC wall plate connector 1h of the present example is different from the connector 1g in that the diagonal reinforcing bars 181a to 181d are arranged in the region of the insulating material layer 12 in the bare reinforcing bar portions of the embedded supporting reinforcing bars 18a to 18d. In addition, the precast embedded portion of the inner plate is provided with oblique muscles 181a to 181d and straight muscles 182a to 182d bent so as to be perpendicular to the oblique muscles. According to this heat insulating PC wall plate connector 1h, the same effect as the connector 1g can be obtained. In addition, it is effective in manufacturing the connector 1g when the diagonal stripes do not fit well in the mesh-like wall stripe 101. . Also in this connector 1h, the number of mounting bolts 3 may be two, and the attachment of the upper surface heat insulating material 51 may be omitted.
[0013]
A connector for a heat insulating PC wall board according to a sixth embodiment of the present invention will be described with reference to FIGS. FIG. 14 is a diagram for explaining the connector for the heat-insulated PC wall plate of this example, and FIG. 15 is a plan view of the connector of FIG. 14 and 15, the heat insulating PC wall plate connector 1 i includes a concrete block 2 in which the mounting bolt 3 is embedded, and at least four straight bars 19 a to 19 d around the embedded portion of the mounting bolt 3. The first assembled reinforcing bar 19 and the first assembled reinforcing bar 19 assembled with the bars 71a and 71b so as to have a uniform width on the circumference have the same shape and are upside down. The second assembly reinforcing bar 20 is assembled so as to be fitted to be spaced apart from each other, and leg portions 22 are formed at the four corners on the opposite side to the protruding side of the mounting bolt 3. That is, in the first assembled reinforcing bar 19, the ring bars 71 a and 71 b are joined above the four straight bars 19 a to 19 d, and the second assembled reinforcing bar 20 is set in the horizontal direction with respect to the first assembled bar 19. The ring bars 72a and 72b of the second assembled reinforcing bar 20 are assembled so as to fit to the vicinity of the four straight bars 19a to 19d of the first assembled reinforcing bar 19 by rotating 45 degrees. According to such a reinforcing bar assembly structure, the eight straight bars 19a to 19d and 20a to 20d in plan view are arranged on the circumference of the same diameter, and the rigidity of the connector 1i is maintained. The continuity between the first assembled reinforcing bar 19 and the second assembled reinforcing bar 20 is cut off, and a heat bridge can be avoided. Moreover, the built-in heat insulating material may be attached below the attachment bolt 3 of the connector 1i. According to this heat insulating PC wall plate connector 1i, the effects (1) to (4) can be obtained.
[0014]
【The invention's effect】
According to the present invention, the necessary strength and rigidity can be obtained, and heat loss due to the heat bridge can be minimized.
[Brief description of the drawings]
FIG. 1 is a view for explaining a connector for a heat insulating PC wall board in a first example.
2 is a bottom view of the connector of FIG. 1. FIG.
FIG. 3 is a perspective view of the connector of FIG. 1;
FIG. 4 is a diagram illustrating an installation position of the connector of FIG. 1 on a heat-insulated PC wall plate.
FIG. 5 is a perspective view showing a modification of the first example.
FIG. 6 is a diagram illustrating a connector for a heat insulating PC wall board in a second example.
7A is a plan view of the connector of FIG. 6, and FIG. 7B is a bottom view thereof.
FIG. 8 is a diagram illustrating a connector for a heat insulating PC wall board in a third example.
9A is a plan view of the connector of FIG. 8, and FIG. 9B is a bottom view thereof.
FIG. 10 is a diagram for explaining a connector for a heat insulating PC wall board in a fourth example.
11 shows a plan view of the connector of FIG.
FIG. 12 is a diagram illustrating a connector for a heat insulating PC wall board in a fifth example.
13 shows a plan view of the connector of FIG.
FIG. 14 is a diagram illustrating a connector for a heat insulating PC wall board in a sixth example.
FIG. 15 is a plan view of a fourteenth connector.
[Explanation of symbols]
1a-1i Connecting tool 2, 2a, 2b Concrete block 3 Mounting bolt 4 Built-in heat insulating material 5, 51 Heat insulating material 6 Outer steel material 7, 7a, 7b Hoop bar 8a-8d Brace bar 9a-9d, 17a-17d, 18a- 18d embedded support reinforcing bar 10 heat insulating PC plate 11 inner plate 12 heat insulating material layer 13 ventilation layer 14 outer plate 19 first assembled reinforcing bar 20 second assembled reinforcing bar 22 leg portion 23 notch portion 31 embedded portion 33 bolt head

Claims (7)

外壁板、通気層、断熱材層及び内板となるプレキャストコンクリート板からなる断熱PC壁板の該外壁板を支持する連結具であって、取付けボルトが埋め込まれたコンクリートブロックからなり、該取付けボルトの埋め込み部の下部には内蔵断熱材を有し、取付けボルトの突出側とは反対側の四隅には脚部が形成されてなることを特徴とする断熱PC壁板の連結具。An outer wall plate, a ventilation layer, a heat insulating material layer, and a connecting tool for supporting the outer wall plate of a heat insulating PC wall plate made of a precast concrete plate as an inner plate, comprising a concrete block in which a mounting bolt is embedded, the mounting bolt A connecting member for a heat insulating PC wall board, comprising a built-in heat insulating material in a lower portion of the embedded portion, and leg portions formed at four corners on the side opposite to the protruding side of the mounting bolt. 前記コンクリートブロックの上方の縁部が切り欠かれ、且つ該コンクリートブロックの周面が外殻鋼材で補強されたものである請求項1記載の断熱PC壁板の連結具。2. The heat insulating PC wall plate connector according to claim 1, wherein an upper edge portion of the concrete block is cut out and a peripheral surface of the concrete block is reinforced with a shell steel material. 外壁板、通気層、断熱材層及び内板となるプレキャストコンクリート板からなる断熱PC壁板の該外壁板を支持する連結具であって、取付けボルトが埋め込まれたコンクリートブロックと、該取付けボルトの埋め込み部の周りに、該取付けボルトの埋め込み部とは離間して埋め込まれ、取付けボルトの突出側とは反対側に突出する4本の埋め込み支持鉄筋と、を有してなることを特徴とする断熱PC壁板の連結具。A connecting tool for supporting the outer wall plate of a heat-insulated PC wall plate made of a precast concrete plate as an outer wall plate, a ventilation layer, a heat insulating material layer, and an inner plate, a concrete block in which a mounting bolt is embedded, and the mounting bolt Around the embedded portion, there are four embedded supporting reinforcing bars that are embedded away from the embedded portion of the mounting bolt and protrude on the opposite side to the protruding side of the mounting bolt. Insulating PC wallboard connector. 前記4本の埋め込み支持鉄筋は、突出側が斜め筋である場合、該埋め込み支持鉄筋を囲むようにフープ筋で接合されることを特徴とする請求項3記載の断熱PC壁板の連結具。The said 4 embedding support reinforcing bars are joined by a hoop so that the embedding supporting rebar may be enclosed, when the protrusion side is a diagonal reinforcement, The coupling tool of the heat insulation PC wall board of Claim 3 characterized by the above-mentioned. 前記4本の埋め込み支持鉄筋は、直筋である場合、該埋め込み支持鉄筋を囲むようにフープ筋で接合され、且つ互いに隣り合う埋め込み支持鉄筋同士をブレース筋で接合されることを特徴とする請求項3記載の断熱PC壁板の連結具。When the four embedded support reinforcing bars are straight bars, the embedded supporting reinforcing bars are joined by a hoop so as to surround the embedded supporting reinforcing bars, and the adjacent embedded supporting reinforcing bars are joined by braces. Item 3. A heat-insulating PC wallboard connector according to Item 3. 前記4本の埋め込み支持鉄筋の埋め込み部分の端部方向の延長線にあるコンクリートブロックの表面の四隅には、上面断熱材が付設されていることを特徴とする請求項3〜5のいずれか1項記載の断熱PC壁板の連結具。The upper surface heat insulating material is attached to the four corners of the surface of the concrete block in the extension line in the end direction of the embedded portion of the four embedded support reinforcing bars. The connector of the heat insulation PC wall board of description. 外壁板、通気層、断熱材層及び内板となるプレキャストコンクリート板からなる断熱PC壁板の該外壁板を支持する連結具であって、取付けボルトが埋め込まれたコンクリートブロックと、該取付けボルトの埋め込み部の周りに、少なくとも4本の直筋をリング筋で円周上、均等幅となるように取付けた第1組立鉄筋と、該第1組立鉄筋とは同形状物であって、上下逆さで、該第1組立鉄筋とは互いに離間して嵌め会うように取付けられる第2組立鉄筋とを有し、取付けボルトの突出側とは反対側の四隅には脚部が形成されてなることを特徴とする断熱PC壁板の連結具。A connecting tool for supporting the outer wall plate of a heat-insulated PC wall plate made of a precast concrete plate as an outer wall plate, a ventilation layer, a heat insulating material layer, and an inner plate, a concrete block in which a mounting bolt is embedded, and the mounting bolt A first assembled rebar in which at least four straight bars are attached to the circumference of the embedded portion so as to have a uniform width on the circumference of the ring, and the first assembled rebar are of the same shape and are upside down. The first assembly rebar has a second assembly rebar that is attached so as to be fitted away from each other, and legs are formed at the four corners on the opposite side of the mounting bolt from the protruding side. A heat-insulating PC wallboard connector.
JP2001137002A 2001-05-08 2001-05-08 Insulated PC wallboard connector Expired - Lifetime JP4615761B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001137002A JP4615761B2 (en) 2001-05-08 2001-05-08 Insulated PC wallboard connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001137002A JP4615761B2 (en) 2001-05-08 2001-05-08 Insulated PC wallboard connector

Publications (2)

Publication Number Publication Date
JP2002332698A JP2002332698A (en) 2002-11-22
JP4615761B2 true JP4615761B2 (en) 2011-01-19

Family

ID=18984167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001137002A Expired - Lifetime JP4615761B2 (en) 2001-05-08 2001-05-08 Insulated PC wallboard connector

Country Status (1)

Country Link
JP (1) JP4615761B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101422414B1 (en) 2013-07-16 2014-07-22 손동열 Construction system of high insulation pair panel
CN106065687A (en) * 2016-07-25 2016-11-02 山东建筑大学 A kind of connector for precast concrete external wall panel and preparation method thereof
CN108468389A (en) * 2018-03-30 2018-08-31 天津住宅集团建设工程总承包有限公司 A kind of elimination construction error wall lacing wire component

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491928Y1 (en) * 1967-12-05 1974-01-18
JPS5038165Y1 (en) * 1970-08-24 1975-11-05
JPS6075502U (en) * 1983-10-31 1985-05-27 ナショナル住宅産業株式会社 anchor bolt device
JP2000073515A (en) * 1998-08-31 2000-03-07 Emoto Kogyo Kk Facing material supporting hardware and outer wall structure for building
JP2000073516A (en) * 1998-09-02 2000-03-07 Emoto Kogyo Kk Facing material supporting hardware and outer wall structure for building
JP2001355297A (en) * 2000-06-15 2001-12-26 Inaba Yoshie Heat insulating wall structure, heat insulating support member used therefor, and work execution method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491928Y1 (en) * 1967-12-05 1974-01-18
JPS5038165Y1 (en) * 1970-08-24 1975-11-05
JPS6075502U (en) * 1983-10-31 1985-05-27 ナショナル住宅産業株式会社 anchor bolt device
JP2000073515A (en) * 1998-08-31 2000-03-07 Emoto Kogyo Kk Facing material supporting hardware and outer wall structure for building
JP2000073516A (en) * 1998-09-02 2000-03-07 Emoto Kogyo Kk Facing material supporting hardware and outer wall structure for building
JP2001355297A (en) * 2000-06-15 2001-12-26 Inaba Yoshie Heat insulating wall structure, heat insulating support member used therefor, and work execution method

Also Published As

Publication number Publication date
JP2002332698A (en) 2002-11-22

Similar Documents

Publication Publication Date Title
KR101220128B1 (en) Module for wire arrangement in light weight body for hollow slab
US5803669A (en) Thermal-insulated concrete forming system
CN1981102A (en) Insulated concrete form system with variable length wall ties.
KR102283875B1 (en) Double-wall having a variable thickness and construction method therewith
KR100211534B1 (en) The coupling structure between pc wall and pc slab, and the method thereof
JP4615761B2 (en) Insulated PC wallboard connector
US20020017598A1 (en) Poured-in-place concrete building
KR20090130711A (en) Insulating panel for construction, manufacturing method thereof and wall constructing method using this
KR100736752B1 (en) Connection structure of i-slabs and asymmetric slimflor beam
JP2018145674A (en) Wall beam joint structure
JP2003155794A (en) Synthetic hollow floor plate
US20070125024A1 (en) Method of construction using serpentine panels
CN107143088B (en) Anti die-cut concrete ten-shaped column plate node and concrete slab node
JPH038950A (en) Mechanism of heat insulating wall type
DE20008570U1 (en) Brick-shaped thermal insulation element
KR101120360B1 (en) Light weight assembly for hollow and light slab using the same
KR100240137B1 (en) A panel for construction
CA2497362A1 (en) Connecting and plugging element for modular floor construction
JPH1143994A (en) Rc-formed flat beam
KR100477189B1 (en) Lattice beam for slim floor system
KR100370588B1 (en) Crux construction compositive wire panel
KR102068116B1 (en) Cube-shaped hollow lightweight material for reducing concrete usage
KR200311266Y1 (en) A spacer for a adiabatic material
KR200423634Y1 (en) Connection structure of i-slabs and cross beam having u-bar
JP2734946B2 (en) Construction method of concrete wall structure

Legal Events

Date Code Title Description
A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20050815

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20070424

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080130

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100913

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20101013

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20101021

R150 Certificate of patent or registration of utility model

Ref document number: 4615761

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131029

Year of fee payment: 3

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131029

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S533 Written request for registration of change of name

Free format text: JAPANESE INTERMEDIATE CODE: R313533

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term