JP2007162252A - Heat insulating construction method for exterior wall and roof of steel-frame building - Google Patents

Heat insulating construction method for exterior wall and roof of steel-frame building Download PDF

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JP2007162252A
JP2007162252A JP2005357222A JP2005357222A JP2007162252A JP 2007162252 A JP2007162252 A JP 2007162252A JP 2005357222 A JP2005357222 A JP 2005357222A JP 2005357222 A JP2005357222 A JP 2005357222A JP 2007162252 A JP2007162252 A JP 2007162252A
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roof
steel
wall
formwork
heat insulating
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Atsuo Morishita
篤郎 森下
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SANKI SEKKEI JIMUSHO KK
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<P>PROBLEM TO BE SOLVED: To provide a rational heat insulating construction method which enables the construction of the exterior wall and roof of a steel-frame building, which makes a superior heat insulating function realized in the building composed of a steel structure, which provides the steel-frame building with strength and a sense of massiveness, by no means inferior to a reinforced concrete building, and which reduces construction costs by a simple structure. <P>SOLUTION: In the steel-frame building, a pair of form walls is molded by sequentially stacking a plurality of form strips; a floor board connecting part, which enables the connection of the floor board by inserting an anchor reinforcement Q though a through-hole of a perforated plate body arranged in a part of the inside form wall, is formed; a holding bracket is fixed to the inside form wall, and fixed to a close steel beam; after that, concrete is poured into an internal space made between the form walls; even at the uppermost end of the inside form wall, a roof form plate identical in property with a form unit panel is placed on a binder which is erected at an upper surface section; the concrete is poured onto the roof form plate; and after the hardening of the concrete, the heat insulating roof board as an upper cover is placed. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、建築技術の改良、更に詳しくは、優れた断熱機能を鉄骨構造から成る建築物において実現し、鉄筋コンクリート建造物に遜色ない強度と重厚感を有して、しかも、簡素な構造で建設コストが少なくて済む、鉄骨建造物における外壁・屋根の断熱施工方法に関するものである。   The present invention is an improvement of building technology, more specifically, an excellent heat insulating function is realized in a building made of a steel structure, has a strength and a solid feeling comparable to a reinforced concrete building, and is constructed with a simple structure. The present invention relates to a heat insulation construction method for an outer wall / roof in a steel structure that requires less cost.

周知のとおり、近年の建造物の多くは鉄筋コンクリート製によるものが多く、建物の寿命が長く、耐火性、耐風性、防音性、気密性が高いなどの特徴がある。   As is well known, many of the buildings in recent years are made of reinforced concrete, and have a long life, high fire resistance, wind resistance, sound insulation, and high airtightness.

ところで、かかる鉄筋コンクリート建造物における断熱対策としては、内断熱方式が主であったために、サッシュ回りや壁体内の結露が生じ易かった。そこで、最近では、コンクリート型枠と断熱材とを兼ね備えた、所謂「断熱性捨て型枠」を使用して構成した鉄筋コンクリート構造が開示されており(例えば、特許文献1参照)、この断熱効果によって結露の発生を防止できるようになった。   By the way, as a heat insulation measure in such a reinforced concrete building, an internal heat insulation method was mainly used, so that dew condensation around the sash and in the wall body was likely to occur. Therefore, recently, a reinforced concrete structure constituted by using a so-called “heat-insulating throwing-out formwork” having a concrete formwork and a heat insulating material has been disclosed (for example, see Patent Document 1). It became possible to prevent the occurrence of condensation.

しかしながら、かかる鉄筋コンクリート建造物にあっては、何と言っても、工事費が嵩張り、工期も長いという不満がある。また、耐用年数が長いという利点があるものの、建物の評価額が高くなって、固定資産税などの課税負担が大きくなってしまうという不満がある。更にまた、構造上、柱が太くて室内に張り出してしまうことや、壁が主要な構造体の場合もあったりで、間取りの自由度が制約され、将来の模様替えに対応しにくいという不満があった。
特開2001−254465号公報(第5−6頁、図1−2)
However, in such a reinforced concrete building, there is a complaint that the construction cost is bulky and the construction period is long. Moreover, although there is an advantage that the service life is long, there is a dissatisfaction that the appraisal value of the building becomes high and tax burden such as property tax becomes large. Furthermore, due to the fact that the pillars are thick due to the structure and project into the room, and the walls are the main structures, there are complaints that the degree of freedom in floor plan is limited and it is difficult to cope with future redesigns. It was.
JP 2001-254465 A (page 5-6, FIG. 1-2)

本発明は、従来の鉄筋コンクリート建造物に上記のような問題があったことに鑑みて為されたものであり、その目的とするところは、優れた断熱機能を鉄骨構造から成る建築物において実現し、鉄筋コンクリート建造物に遜色ない強度と重厚感を有して、しかも、簡素な構造で建設コストが少なくて済む、鉄骨建造物における外壁・屋根を築成できる合理的な断熱施工方法を提供することにある。   The present invention was made in view of the above-mentioned problems in conventional reinforced concrete buildings, and the object thereof is to realize an excellent heat insulating function in a building having a steel structure. To provide a rational thermal insulation method that can build outer walls and roofs in steel structures that have strength and profound feeling comparable to reinforced concrete structures, and that require a simple structure and low construction costs. It is in.

本発明者が上記課題を解決するために採用した手段を添付図面を参照して説明すれば次のとおりである。   Means employed by the present inventor for solving the above-described problems will be described with reference to the accompanying drawings.

即ち、本発明は、鉄骨梁Bを組み合わせて成る鉄骨建造物において外壁・屋根の断熱構造を構築するにあたり、
基礎梁Pの上方に向けて小舞筋Aを配筋する一方、この小舞筋Aを挟んだ両側にそれぞれ長手のスターティングベース2・2を並置して、かつ、各スターティングベース2の凹溝21において、断熱性材から成る型枠ユニットパネル1・1…を嵌設しつゝ列立し、対向する一対の型枠帯1a・1bを一段成形し、
こうして立設した型枠帯1a・1bの上端同士にカスガイ状の連結具3・3…を所定間隔で架設することにより両部材を連結保持するとともに、
これらの型枠帯1a・1bの上端には、更にガイドレール4をそれぞれ配置し、このガイドレール4上に次段の型枠ユニットパネル1・1…を載置していき、こうして複数段に亙り型枠帯1a・1bを順次積み上げて一対の型枠壁1A・1Bを成形する一方、
当該型枠壁1A・1Bのうち、内側型枠壁1Aの一部に有孔板体5を配設して、この有孔板体5の通孔51にアンカー鉄筋Qを挿通して床板を接合可能な床板取合部を形成するとともに、
前記内側型枠壁1Aに保持ブラケット6を固定し、かつ、この保持ブラケット6を近接する鉄骨梁Bに固定した後、前記型枠壁1A・1B間に作出された内部空間にコンクリートを流し込む一方、
前記内側型枠壁1Aの最上端においても前記有孔板体5を配設して屋根取合部を形成するとともに、天端部に架設した小梁の上に、前記型枠ユニットパネル1と同質の屋根型枠板7を載置して、この屋根型枠板7上にコンクリートを流し込み、
このコンクリートがある程度硬化した後に、上蓋となる断熱屋根板8を載置することによって、鉄骨建造物の外周部を断熱するという技術的手段を採用した。
That is, in the present invention, in constructing the heat insulation structure of the outer wall / roof in the steel structure constructed by combining the steel beams B,
While the Komai muscle A is arranged above the foundation beam P, the long starting bases 2 and 2 are juxtaposed on both sides of the Komai muscle A, and each starting base 2 In the concave groove 21, the mold unit unit panels 1, 1... Made of a heat insulating material are fitted and lined up, and a pair of opposing mold frames 1 a, 1 b are formed in one step,
Both the members are connected and held by laying the squirrel-shaped connecting tools 3, 3,.
Further, guide rails 4 are arranged on the upper ends of these formwork strips 1a and 1b, and the next-stage formwork unit panels 1, 1... Are placed on the guide rails 4 in this way. While forming the pair of formwork walls 1A and 1B by sequentially stacking the turn formwork bands 1a and 1b,
A perforated plate 5 is disposed in a part of the inner mold wall 1A of the mold walls 1A and 1B, and an anchor rebar Q is inserted into a through hole 51 of the perforated plate 5 to attach a floor plate. While forming a floor plate joint that can be joined,
While fixing the holding bracket 6 to the inner mold wall 1A and fixing the holding bracket 6 to the adjacent steel beam B, the concrete is poured into the internal space created between the mold walls 1A and 1B. ,
The perforated plate member 5 is also disposed at the uppermost end of the inner formwork wall 1A to form a roof joint portion, and the formwork unit panel 1 is placed on a small beam installed on the top end portion. Place the same quality roof mold 7 and pour concrete onto the roof mold 7
After this concrete hardened to some extent, a technical means was adopted in which the outer peripheral portion of the steel structure was insulated by placing a heat insulating roof plate 8 serving as an upper lid.

また、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、スターティングベース2を軽溝形断面を有する長手の鋼製部材にするという技術的手段を採用することができる。   Further, in order to solve the above-described problems, the present invention may employ technical means for making the starting base 2 a long steel member having a light groove-shaped cross section in addition to the above means as necessary. it can.

更にまた、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、鉄骨梁BがH形鋼であって、このフランジfに保持ブラケット6を挟持固定するという技術的手段を採用することができる。   Furthermore, in order to solve the above-described problems, the present invention provides a technical means in which, in addition to the above means, the steel beam B is an H-shaped steel, and the holding bracket 6 is clamped and fixed to the flange f. Can be adopted.

更にまた、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、屋根型枠板7を、断熱材を木製または金属製の板体で挟持して作製するという技術的手段を採用することができる。   Furthermore, in order to solve the above-described problems, the present invention provides a technical technique in which a roof mold plate 7 is produced by sandwiching a heat insulating material between wooden or metal plates in addition to the above means as necessary. Means can be employed.

更にまた、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、型枠帯1a・1bの上端に配置したガイドレール4上に次段の型枠ユニットパネル1・1…を載置するとき、下段の前記型枠帯1a・1bにおけるパネル側縁接合位置と互い違えて配置するという技術的手段を採用することができる。   Furthermore, in order to solve the above-described problems, the present invention provides the following formwork unit panels 1 and 1 on the guide rails 4 arranged at the upper ends of the formwork bands 1a and 1b in addition to the above means as necessary. When placing ..., it is possible to adopt a technical means of disposing the panel side edge joining positions in the lower formwork strips 1a and 1b.

更にまた、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、有孔板体5の取り付け位置に保持ブラケット6を固定するという技術的手段を採用することができる。   Furthermore, in order to solve the above-described problems, the present invention can employ technical means for fixing the holding bracket 6 to the attachment position of the perforated plate 5 in addition to the above means as necessary.

更にまた、本発明は、上記課題を解決するために、必要に応じて上記手段に加え、鉄骨梁Bをラーメン構造にした鉄骨建造物に用いるという技術的手段を採用することができ
る。
Furthermore, in order to solve the above-described problems, the present invention can employ technical means of using the steel beam B in a steel structure having a ramen structure in addition to the above-described means as necessary.

本発明にあっては、鉄骨梁を組み合わせて成る鉄骨建造物において、複数段に亙り型枠帯を順次積み上げて一対の型枠壁を成形する一方、内側型枠壁の一部に配設した有孔板体の通孔にアンカー鉄筋を挿通して床板を接合可能な床板取合部を形成するとともに、
前記内側型枠壁に保持ブラケットを固定し、かつ、この保持ブラケットを近接する鉄骨梁に固定した後、前記型枠壁間に作出された内部空間にコンクリートを流し込む一方、
前記内側型枠壁の最上端においても、天端部に架設した小梁の上に、前記型枠ユニットパネルと同質の屋根型枠板を載置して、この屋根型枠板上にコンクリートを流し込み、更にコンクリート硬化後、上蓋となる断熱屋根板を載置することにより、鉄骨建造物の外周部を非常に合理的に断熱することができる。
In the present invention, in a steel structure that is a combination of steel beams, a plurality of stages are rolled up sequentially to form a pair of formwork walls, while being disposed on a part of the inner formwork wall. While forming the floor board coupling part which can join the floor board by inserting the anchor rebar into the through hole of the perforated plate body,
While fixing the holding bracket to the inner formwork wall, and fixing the holding bracket to the adjacent steel beam, while pouring concrete into the internal space created between the formwork walls,
At the uppermost end of the inner formwork wall, a roof formwork plate of the same quality as the formwork unit panel is placed on a small beam installed on the top end portion, and concrete is placed on the roof formwork plate. After the pouring and further hardening of the concrete, the outer peripheral part of the steel structure can be insulated very reasonably by placing a heat insulating roof plate serving as an upper lid.

このように、本発明の施工方法を実施すれば、優れた断熱機能を鉄骨構造から成る建築物において実現し、既存の軽量な鉄骨建造物を有効に利用することができて、工期を短縮して、かつ、基礎工事や主体工事費の軽減を図ることができるとともに、重厚感に富み、鉄筋コンクリート建造物に遜色ない強度をも有する。   As described above, if the construction method of the present invention is carried out, an excellent heat insulation function can be realized in a building composed of a steel structure, and an existing lightweight steel structure can be used effectively, thereby shortening the construction period. At the same time, it is possible to reduce the cost of foundation work and main construction work, and it has a profound feeling and strength comparable to reinforced concrete buildings.

また、型枠壁は任意の位置に設置することができ、また、捨て型枠によりそのまま使用できる型枠ユニットパネルを組み立てるだけで良く、鉄筋コンクリート建造物と比較すると、構造上、柱が細くて、数も少なくできるので、間取りの自由度が増し、将来の模様替えもし易くなることから、建築分野における実用的利用価値は頗る高いものがあると云える。   In addition, the formwork wall can be installed at any position, and it is only necessary to assemble a formwork unit panel that can be used as it is with a discarded formwork. Compared to a reinforced concrete building, the structure has a narrow pillar, Since the number can be reduced, the degree of practical use in the construction field can be said to be very high, since the degree of freedom in the layout increases and it becomes easy to change the future.

本発明を実施するための最良の形態を具体的に図示した図面に基づいて更に詳細に説明すると、次のとおりである。   BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out the present invention will be described in more detail with reference to the drawings specifically shown below.

本発明の実施形態を図1から図12に基づいて説明する。図中、符号1で指示するものは型枠ユニットパネルであり、この型枠ユニットパネル1は、断熱性材(例えば、ポリウレタン材料、ポリスチレン材料など)から成り、コンクリート型枠として使用できる強度をも兼ね備えた板状部材である。   An embodiment of the present invention will be described with reference to FIGS. In the figure, what is indicated by reference numeral 1 is a formwork unit panel. This formwork unit panel 1 is made of a heat insulating material (for example, polyurethane material, polystyrene material, etc.) and has a strength that can be used as a concrete formwork. It is a plate-shaped member that combines.

また、符号2で指示するものはスターティングベースであり、このスターティングベース2は前記型枠ユニットパネル1を立て置きするための凹溝21を有するガイド部材である。本実施形態では、軽溝形断面を有する長手の鋼製部材を採用する。 Reference numeral 2 designates a starting base. The starting base 2 is a guide member having a concave groove 21 for standing the formwork unit panel 1 upright. In the present embodiment, a long steel member having a light groove cross section is employed.

更にまた、符号3で指示するものは連結具であり、この連結具3は、カスガイ状に成形された折曲棒材である。   Furthermore, what is indicated by reference numeral 3 is a connecting tool, and this connecting tool 3 is a bent bar formed into a mussel shape.

更にまた、符号4で指示するものはガイドレールであり、このガイドレール4は、前記型枠ユニットパネル1の上端に配置する部材であって、略T字断面を有する長手の鋼製部材を採用する。   Further, what is indicated by reference numeral 4 is a guide rail, and this guide rail 4 is a member disposed on the upper end of the formwork unit panel 1 and adopts a long steel member having a substantially T-shaped cross section. To do.

更にまた、符号5で指示するものは有孔板体であり、この有孔板体5は、前記型枠ユニットパネル1と同質の断熱性材から成り、アンカー鉄筋Qを挿通することができる通孔51が開設された板状部材である。   Furthermore, what is indicated by reference numeral 5 is a perforated plate body, and this perforated plate body 5 is made of a heat insulating material of the same quality as the above-mentioned form unit unit panel 1 and can be inserted through the anchor rebar Q. This is a plate-like member in which a hole 51 is opened.

更にまた、符号6で指示するものは保持ブラケットであり、この保持ブラケット6は、前記型枠ユニットパネル1および近接する鉄骨梁Bに固定して、両部材を連結するための部材である。   Furthermore, what is indicated by reference numeral 6 is a holding bracket, and this holding bracket 6 is a member that is fixed to the formwork unit panel 1 and the adjacent steel beam B and connects both members.

また、符号7で指示するものは屋根型枠板であり、この屋根板型枠7は、前記型枠ユニットパネル1と同質の断熱性材から成り、本実施形態では、断熱材を木製または金属製の板体で挟持して作製したものを採用することにより、十分な強度を有するので、端太材や支保工が不要となる。 In addition, what is indicated by reference numeral 7 is a roof formwork plate, and this roofboard formwork 7 is made of a heat insulating material of the same quality as the formwork unit panel 1, and in this embodiment, the heat insulating material is made of wood or metal. Adopting a material produced by sandwiching it with a plate made of metal has sufficient strength, so that no thick end material or support work is required.

しかして、本発明は、鉄骨梁Bを組み合わせて成る鉄骨建造物(本実施形態では、ラーメン構造)において外壁・屋根の断熱構造を構築するものであって、以下に具体的な施工手順について説明する。   Therefore, the present invention constructs a heat insulation structure of an outer wall / roof in a steel structure (in this embodiment, a ramen structure) formed by combining steel beams B, and a specific construction procedure will be described below. To do.

〔施工手順〕
まず、図1に示すように、基礎梁Pの上方に向けて小舞筋Aを配筋する。この小舞筋Aは、D10鉄筋の200mm間隔程度の縦横格子でよい。
[Construction procedure]
First, as shown in FIG. 1, a small dancer A is arranged toward the upper side of the foundation beam P. This Komai Rebar A may be a vertical and horizontal lattice of 200 mm intervals of D10 reinforcing bars.

そして、図2に示すように、この小舞筋Aを挟んだ両側にそれぞれ長手のスターティングベース2・2を並置して、かつ、各スターティングベース2の凹溝21において、断熱性材から成る型枠ユニットパネル1・1…を嵌設しつゝ列立し、対向する一対の型枠帯1a・1bを一段成形する。   Then, as shown in FIG. 2, the long starting bases 2 and 2 are juxtaposed on both sides of the small dancer A, and in the groove 21 of each starting base 2, the heat insulating material is used. The formwork unit panels 1, 1... That are formed are placed in a row, and a pair of facing formwork bands 1 a and 1 b are formed in one step.

こうして立設した型枠帯1a・1bの上端同士にカスガイ状の連結具3・3…を所定間隔で架設することにより両部材を連結保持する(図3および図4参照)。   .. Are connected between the upper ends of the formwork strips 1a and 1b erected in this way at predetermined intervals to connect and hold both members (see FIGS. 3 and 4).

次いで、これらの型枠帯1a・1bの上端には、更にガイドレール4をそれぞれ配置して、このガイドレール4上に次段の型枠ユニットパネル1・1…を載置していく。   Next, guide rails 4 are further arranged on the upper ends of the formwork strips 1a and 1b, and the next-stage formwork unit panels 1 and 1 are placed on the guide rails 4 respectively.

こうして複数段に亙り型枠帯1a・1bを順次積み上げて一対の型枠壁1A・1Bを成形することができる(図5および図6参照)。このように、前記型枠帯1a・1bの上端に配置したガイドレール4上に次段の型枠ユニットパネル1・1…を載置するときに、下段の前記型枠帯1a・1bにおけるパネル側縁接合位置と互い違えて配置することによって、パネルのズレや圧力の集中を防止することができ、強度を高めることができる。   In this way, the pair of formwork walls 1A and 1B can be formed by sequentially stacking the formwork bands 1a and 1b in a plurality of stages (see FIGS. 5 and 6). In this way, when the next-stage formwork unit panels 1, 1... Are placed on the guide rails 4 arranged at the upper ends of the formwork bands 1 a, 1 b, the panels in the lower-stage formwork bands 1 a, 1 b By disposing the positions different from the side edge joining positions, it is possible to prevent panel displacement and pressure concentration, and to increase the strength.

上記のごとく壁体を立ち上げていくとともに、この壁体を鉄骨建造物(の骨組)と接合するためには、以下の構成を必要とする。即ち、前記型枠壁1A・1Bのうち、内側型枠壁1Aの一部に有孔板体5を配設して、この有孔板体5の通孔51にアンカー鉄筋Qを挿通して床板を接合可能な床板取合部を形成する。   In order to start up the wall body as described above and to join the wall body to the steel structure (framework), the following configuration is required. That is, the perforated plate 5 is disposed in a part of the inner mold wall 1A of the mold walls 1A and 1B, and the anchor rebar Q is inserted into the through hole 51 of the perforated plate 5. A floor board joining portion capable of joining floor boards is formed.

また、図7および図8に示すように、前記内側型枠壁1Aに保持ブラケット6を固定する。この際、保持ブラケット6を前記有孔板体5の取り付け位置に固定する。そして、この保持ブラケット6を近接する鉄骨梁B(大梁)に固定する。本実施形態では、鉄骨梁BがH形鋼であって、このフランジfに保持ブラケット6を挟持固定する。   As shown in FIGS. 7 and 8, the holding bracket 6 is fixed to the inner mold wall 1A. At this time, the holding bracket 6 is fixed to the attachment position of the perforated plate 5. Then, the holding bracket 6 is fixed to the adjacent steel beam B (large beam). In this embodiment, the steel beam B is H-shaped steel, and the holding bracket 6 is clamped and fixed to the flange f.

なお、この保持ブラケット6は、図9(a)に示すように、片方のフランジfを挟持するものであっても良いし、また、図9(b)に示すように、上下両方のフランジf・fを挟持できるようなものであっても良い。然る後、前記型枠壁1A・1B間に作出された内部空間にコンクリートを流し込むことができる。   The holding bracket 6 may sandwich one flange f as shown in FIG. 9A, or both the upper and lower flanges f as shown in FIG. 9B. -The thing which can clamp f may be sufficient. Thereafter, concrete can be poured into the internal space created between the formwork walls 1A and 1B.

しかして、(大梁に該当する)鉄骨梁Bの上に、スラブを成形する際に、床デッキプレートを載置した後、前記アンカー鉄筋Qを突出せしめて、コンクリートを打設し、硬化せしめることによって壁面と鉄骨躯体とを一体に固定することができるのである(図10参照)。この際、アンカー鉄筋Qは、有効板体5の通孔51の垂直方向に突出するものであっても良いし、45度方向に2本突出するものであっても良い。   Then, when the slab is formed on the steel beam B (corresponding to the large beam), after placing the floor deck plate, the anchor rebar Q protrudes, and the concrete is cast and hardened. Thus, the wall surface and the steel frame can be fixed integrally (see FIG. 10). At this time, the anchor reinforcing bars Q may protrude in the vertical direction of the through hole 51 of the effective plate 5 or may protrude in the 45 degree direction.

更にまた、図11に示すように、前記内側型枠壁1Aの最上端においても前記有孔板体5を配設して屋根取合部を形成するとともに、天端部に架設した小梁の上に、前記型枠ユニットパネル1と同質の屋根型枠板7を載置して、この屋根型枠板7上にコンクリートを流し込む。   Furthermore, as shown in FIG. 11, the perforated plate member 5 is also provided at the uppermost end of the inner formwork wall 1A to form a roof joint portion, and the small beam erected on the top end portion. A roof mold plate 7 having the same quality as that of the mold unit panel 1 is placed thereon, and concrete is poured onto the roof mold plate 7.

そして、このコンクリートがある程度硬化した後に、上蓋となる断熱屋根板8を載置することによって、鉄骨建造物の外周部を断熱することができる。なお、屋根までの建込図はおおよそ図12に示すように構成される。   And after this concrete hardens to some extent, the outer peripheral part of a steel structure building can be thermally insulated by mounting the heat insulation roof board 8 used as an upper cover. The building plan up to the roof is configured as shown in FIG.

また、図13に示すように、外側型枠壁1Bに、庇やバルコニーを適宜に設けることもできる。この際、当該バルコニー等を支持する跳出梁Hが建物内から不可避的に外に突出するため、室内から熱が伝導して放熱するおそれがあり、完全な断熱ができない。   Moreover, as shown in FIG. 13, the outer mold | work form wall 1B can also be provided with a basket and a balcony suitably. At this time, since the jump beam H supporting the balcony and the like unavoidably protrudes from the building, heat may be conducted from the room to dissipate it, and complete heat insulation cannot be performed.

そこで、この跳出梁Hおよび繋ぎ梁Tに発泡ウレタン等の断熱材を吹き付けあるいは巻き付けし、その上に断熱板(例えば、前記型枠ユニットパネル1または屋根型枠板7と同質のもの)を敷設し、その上からバルコニーや手摺壁を現場打ちコンクリート等で成形することもできる。   Therefore, a heat insulating material such as urethane foam is blown or wound around the jump beam H and the connecting beam T, and a heat insulating plate (for example, the same material as the mold unit panel 1 or the roof mold plate 7) is laid thereon. Moreover, a balcony or a handrail wall can be formed from on-site concrete.

本発明は概ね上記のように構成されるが、図示の実施形態に限定されるものでは決してなく、「特許請求の範囲」の記載内において種々の変更が可能であって、例えば、保持ブラケット6を固定する鉄骨梁Bは、H形鋼に限らず、リップ形状などであっても良く、本発明の技術的範囲に属する。   The present invention is generally configured as described above. However, the present invention is not limited to the illustrated embodiment, and various modifications can be made within the description of “Claims”. The steel beam B for fixing is not limited to the H-shaped steel but may be a lip shape or the like, and belongs to the technical scope of the present invention.

本発明の実施形態の工程を表わす説明正面図である。It is a description front view showing the process of embodiment of this invention. 本発明の実施形態の工程を表わす説明正面図である。It is a description front view showing the process of embodiment of this invention. 本発明の実施形態の工程を表わす説明正面図である。It is a description front view showing the process of embodiment of this invention. 本発明の実施形態の工程を表わす説明斜視図である。It is an explanatory perspective view showing a process of an embodiment of the present invention. 本発明の実施形態の工程を表わす説明正面図である。It is a description front view showing the process of embodiment of this invention. 本発明の実施形態の工程を表わす説明斜視図である。It is an explanatory perspective view showing a process of an embodiment of the present invention. 本発明の実施形態の工程を表わす説明正面図である。It is a description front view showing the process of embodiment of this invention. 本発明の実施形態の取合部を表わす説明斜視図である。It is an explanatory perspective view showing the joint part of the embodiment of the present invention. 本発明の実施形態の保持ブラケットを表わす説明正面図である。It is an explanatory front view showing the holding bracket of the embodiment of the present invention. 本発明の実施形態の工程を表わす説明正面図である。It is a description front view showing the process of embodiment of this invention. 本発明の実施形態の工程を表わす説明正面図である。It is a description front view showing the process of embodiment of this invention. 本発明の実施形態の工程を表わす説明斜視図である。It is an explanatory perspective view showing a process of an embodiment of the present invention. 本発明の実施形態の変形例を表わす説明正面図である。It is an explanatory front view showing the modification of the embodiment of the present invention.

符号の説明Explanation of symbols

1 型枠ユニットパネル
1a・1b 型枠帯
1A (内側)型枠壁
1B (外側)型枠壁
2 スターティングベース
21 凹溝
3 連結具
4 ガイドレール
5 有孔板体
51 通孔
6 保持ブラケット
7 屋根型枠板
8 断熱屋根板
A 小舞筋
B 鉄骨梁
f フランジ
P 基礎梁
Q アンカー鉄筋
H 跳出梁
T 繋ぎ梁
1 Formwork unit panel 1a, 1b Formwork band 1A (Inner side) Formwork wall 1B (Outside) Formwork wall 2 Starting base
21 groove 3 connector 4 guide rail 5 perforated plate
51 Through hole 6 Holding bracket 7 Roof form plate 8 Insulated roof plate A Komai B B Steel beam f Flange P Foundation beam Q Anchor rebar H Jumping beam T Connecting beam

Claims (7)

鉄骨梁Bを組み合わせて成る鉄骨建造物において外壁・屋根の断熱構造を構築するにあたり、
基礎梁Pの上方に向けて小舞筋Aを配筋する一方、この小舞筋Aを挟んだ両側にそれぞれ長手のスターティングベース2・2を並置して、かつ、各スターティングベース2の凹溝21において、断熱性材から成る型枠ユニットパネル1・1…を嵌設しつゝ列立し、対向する一対の型枠帯1a・1bを一段成形し、
こうして立設した型枠帯1a・1bの上端同士にカスガイ状の連結具3・3…を所定間隔で架設することにより両部材を連結保持するとともに、
これらの型枠帯1a・1bの上端には、更にガイドレール4をそれぞれ配置し、このガイドレール4上に次段の型枠ユニットパネル1・1…を載置していき、こうして複数段に亙り型枠帯1a・1bを順次積み上げて一対の型枠壁1A・1Bを成形する一方、
当該型枠壁1A・1Bのうち、内側型枠壁1Aの一部に有孔板体5を配設して、この有孔板体5の通孔51にアンカー鉄筋Qを挿通して床板を接合可能な床板取合部を形成するとともに、
前記内側型枠壁1Aに保持ブラケット6を固定し、かつ、この保持ブラケット6を近接する鉄骨梁Bに固定した後、前記型枠壁1A・1B間に作出された内部空間にコンクリートを流し込む一方、
前記内側型枠壁1Aの最上端においても前記有孔板体5を配設して屋根取合部を形成するとともに、天端部に架設した小梁の上に、前記型枠ユニットパネル1と同質の屋根型枠板7を載置して、この屋根型枠板7上にコンクリートを流し込み、
このコンクリートがある程度硬化した後に、上蓋となる断熱屋根板8を載置することによって、鉄骨建造物の外周部を断熱することを特徴とする鉄骨建造物における外壁・屋根の断熱施工方法。
In constructing the heat insulation structure of the outer wall / roof in the steel structure composed of the steel beam B,
While the Komai muscle A is arranged above the foundation beam P, the long starting bases 2 and 2 are juxtaposed on both sides of the Komai muscle A, and each starting base 2 In the concave groove 21, the mold unit unit panels 1, 1... Made of a heat insulating material are fitted and lined up, and a pair of opposing mold frames 1 a, 1 b are formed in one step,
Both the members are connected and held by laying the squirrel-shaped connecting tools 3, 3,.
Further, guide rails 4 are arranged on the upper ends of these formwork strips 1a and 1b, and the next-stage formwork unit panels 1, 1... Are placed on the guide rails 4 in this way. While forming the pair of formwork walls 1A and 1B by sequentially stacking the turn formwork bands 1a and 1b,
A perforated plate 5 is disposed in a part of the inner mold wall 1A of the mold walls 1A and 1B, and an anchor rebar Q is inserted into a through hole 51 of the perforated plate 5 to attach a floor plate. While forming a floor plate joint that can be joined,
While fixing the holding bracket 6 to the inner mold wall 1A and fixing the holding bracket 6 to the adjacent steel beam B, the concrete is poured into the internal space created between the mold walls 1A and 1B. ,
The perforated plate member 5 is also disposed at the uppermost end of the inner formwork wall 1A to form a roof joint portion, and the formwork unit panel 1 is placed on a small beam installed on the top end portion. Place the same quality roof mold 7 and pour concrete onto the roof mold 7
A heat insulation construction method for an outer wall / roof in a steel structure, wherein after the concrete is hardened to some extent, an outer peripheral portion of the steel structure is insulated by placing a heat insulating roof plate 8 serving as an upper lid.
スターティングベース2を軽溝形断面を有する長手の鋼製部材にすることを特徴とする請求項1記載の鉄骨建造物における外壁・屋根の断熱施工方法。   2. The method for heat insulating construction of an outer wall / roof in a steel structure according to claim 1, wherein the starting base 2 is a long steel member having a light groove-shaped cross section. 鉄骨梁BがH形鋼であって、このフランジfに保持ブラケット6を挟持固定することを特徴とする請求項1または2記載の鉄骨建造物における外壁・屋根の断熱施工方法。   The method for heat insulation construction of an outer wall / roof in a steel structure according to claim 1 or 2, wherein the steel beam B is H-shaped steel and the holding bracket 6 is clamped and fixed to the flange f. 屋根型枠板7を、断熱材を木製または金属製の板体で挟持して作製することを特徴とする請求項1〜3の何れか一つに記載の鉄骨建造物における外壁・屋根の断熱施工方法。   The heat insulation of the outer wall and the roof in the steel structure building according to any one of claims 1 to 3, wherein the roof mold plate 7 is produced by sandwiching a heat insulating material between wooden or metal plates. Construction method. 型枠帯1a・1bの上端に配置したガイドレール4上に次段の型枠ユニットパネル1・1…を載置するとき、下段の前記型枠帯1a・1bにおけるパネル側縁接合位置と互い違えて配置することを特徴とする請求項1〜4の何れか一つに記載の鉄骨建造物における外壁・屋根の断熱施工方法。   When the next-stage formwork unit panels 1, 1... Are placed on the guide rails 4 arranged at the upper ends of the formwork bands 1 a, 1 b, the panel-side edge joining positions in the lower-stage formwork bands 1 a, 1 b and each other The heat insulation construction method for an outer wall / roof in a steel structure building according to any one of claims 1 to 4, wherein the heat insulation construction method is arranged differently. 有孔板体5の取り付け位置に保持ブラケット6を固定することを特徴とする請求項1〜5の何れか一つに記載の鉄骨建造物における外壁・屋根の断熱施工方法。   The method for heat insulation construction of an outer wall / roof in a steel structure building according to any one of claims 1 to 5, wherein the holding bracket 6 is fixed at a mounting position of the perforated plate body 5. 鉄骨梁Bをラーメン構造にした鉄骨建造物に用いることを特徴とする請求項1〜6の何れか一つに記載の鉄骨建造物における外壁・屋根の断熱施工方法。   The method for heat insulation construction of an outer wall and a roof in a steel structure according to any one of claims 1 to 6, wherein the steel beam B is used for a steel structure having a ramen structure.
JP2005357222A 2005-12-12 2005-12-12 Heat insulating construction method for exterior wall and roof of steel-frame building Pending JP2007162252A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011202491A (en) * 2010-03-26 2011-10-13 Sanki Sekkei Jimusho:Kk Construction method of reinforced concrete building
JP2011202396A (en) * 2010-03-25 2011-10-13 Sanki Sekkei Jimusho:Kk Heat insulating structure of reinforced concrete wall type structure construction using steel frame concurrently
CN103243841A (en) * 2013-05-22 2013-08-14 万保金 Bilateral thermal insulating wall for building
CN103321326A (en) * 2013-05-20 2013-09-25 浙江东南网架股份有限公司 Novel light thermal-insulation external wall and preparation method thereof
CN106703260A (en) * 2015-08-03 2017-05-24 许健亮 Building wall and construction method thereof
JP6137394B1 (en) * 2016-08-22 2017-05-31 株式会社地耐協 Anchor holder for low-rise buildings and foundation work

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011202396A (en) * 2010-03-25 2011-10-13 Sanki Sekkei Jimusho:Kk Heat insulating structure of reinforced concrete wall type structure construction using steel frame concurrently
JP2011202491A (en) * 2010-03-26 2011-10-13 Sanki Sekkei Jimusho:Kk Construction method of reinforced concrete building
CN103321326A (en) * 2013-05-20 2013-09-25 浙江东南网架股份有限公司 Novel light thermal-insulation external wall and preparation method thereof
CN103243841A (en) * 2013-05-22 2013-08-14 万保金 Bilateral thermal insulating wall for building
CN106703260A (en) * 2015-08-03 2017-05-24 许健亮 Building wall and construction method thereof
JP6137394B1 (en) * 2016-08-22 2017-05-31 株式会社地耐協 Anchor holder for low-rise buildings and foundation work
JP2018031131A (en) * 2016-08-22 2018-03-01 株式会社地耐協 Low-rise building and anchor holder for foundation construction

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