JPH0559775A - Construction method of precast concrete exterior wall - Google Patents
Construction method of precast concrete exterior wallInfo
- Publication number
- JPH0559775A JPH0559775A JP22298791A JP22298791A JPH0559775A JP H0559775 A JPH0559775 A JP H0559775A JP 22298791 A JP22298791 A JP 22298791A JP 22298791 A JP22298791 A JP 22298791A JP H0559775 A JPH0559775 A JP H0559775A
- Authority
- JP
- Japan
- Prior art keywords
- precast concrete
- wall
- column
- concrete
- wall plate
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は建築物におけるプレキヤ
ストコンクリート外壁の構築方法に係るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a precast concrete outer wall in a building.
【０００２】[0002]
【従来の技術】従来の鉄筋コンクリート構造や、鉄骨鉄
筋コンクリート構造における外壁の構築方法としては、
（イ）耐震壁構造の場合、現場施工が多く、柱、梁躯体
に接して所要の壁厚に補強筋を配筋し、型枠を組立てて
コンクリートを打設し、同打設コンクリートが所定の強
度を発現したのち、型枠を解体する方法、（ロ）外側に
躯体壁の一部を構成し、外面に仕上げを施された薄肉半
プレキヤストコンクリート壁板を外型枠とし、その内側
には補強筋を配筋し、内部型枠を組立て、同型枠と前記
壁板との間にコンクリートを打設し、同打設コンクリー
トと前記壁板とを一体化する方法、（ハ）鉄骨鉄筋コン
クリート構造や鉄骨構造において、カーテンウオール方
式として外面に仕上げしたプレキヤストコンクリート壁
板を躯体に取付ける方法、が一般に行なわれている。2. Description of the Related Art As conventional methods for constructing an outer wall in a reinforced concrete structure or a steel frame reinforced concrete structure,
(B) In the case of earthquake-resistant wall structures, there are many on-site constructions. Reinforcing bars are arranged to the required wall thickness in contact with pillars and beam frames, formworks are assembled, and concrete is laid. Method to dismantle the formwork after expressing the strength of (b), (b) A part of the building wall is constructed on the outside, and a thin-walled semi-precast concrete wallboard finished on the outer surface is used as the outer formwork, and the inside A method of arranging reinforcing bars on the inner wall, assembling the internal formwork, placing concrete between the formwork and the wall plate, and integrating the placed concrete and the wall plate, (c) steel frame In a reinforced concrete structure or a steel frame structure, a method of attaching a precast concrete wall plate finished on the outer surface to a frame is generally performed as a curtain wall method.
【０００３】[0003]
【発明が解決しようとする課題】前記柱、梁、耐震壁等
よりなる躯体構造においては、耐震壁の工業化が難し
く、現場施工による柱、梁、耐震壁の躯体は鉄骨の建て
方、鉄筋の組立、型枠の組立、コンクリートの打設等の
工程を要し、また外面に仕上げを施した薄肉の半プレキ
ヤストコンクリート壁板を外型枠とし、内側に補強筋を
配筋し、内部型枠を組立ててコンクリートを打設し、前
記壁板との一体化を図る構築方法においては、多くの工
程と作業量が必要となり、作業員の確保に難渋する。In the frame structure composed of the columns, beams, earthquake-resistant walls, etc., it is difficult to industrialize the earthquake-resistant walls, and the frame of the columns, beams, and earthquake-resistant walls constructed on-site is Processes such as assembly, formwork assembly, concrete pouring are required, and a thin semi-precast concrete wallboard with a finish on the outer surface is used as the outer formwork, reinforcing bars are arranged on the inside, and internal molds are used. In the construction method in which the frame is assembled, concrete is poured, and the wall board is integrated, a large number of steps and a large amount of work are required, which makes it difficult to secure workers.
【０００４】更にまた、鉄骨鉄筋コンクリート構造や鉄
骨構造におけるカーテンウオール方式は、鉄骨工事、あ
るいはまた鉄骨鉄筋コンクリート工事がある階数まで先
行したのちにカーテンウオールを取付けていくものであ
るが、カーテンウオール取付金物の取付やこれに付随す
る作業が煩雑となり、工程に悪影響を及ぼす。本発明は
前記従来技術の有する問題点に鑑みて提案されたもの
で、その目的とする処は、プレキヤストコンクリート壁
板の取付作業が鉄骨工事と平行して行なわれ、施工性が
向上されるとともに、構造的に信頼性が大であり、工期
の短縮、省力化が図られるプレキヤストコンクリート外
壁の構築方法を提供する点にある。Furthermore, the curtain wall system for steel-framed reinforced concrete structures and steel-framed structures is one in which the curtain wall is attached after the steel frame work or the steel frame reinforced concrete work is preceded by a certain number of floors. The installation and the work associated therewith becomes complicated, which adversely affects the process. The present invention has been proposed in view of the above problems of the prior art, and an object thereof is to perform work for mounting a precast concrete wall plate in parallel with steel frame work, thereby improving workability. At the same time, it is to provide a method for constructing a precast concrete outer wall that is structurally highly reliable, shortens the construction period, and saves labor.
【０００５】[0005]
【課題を解決するための手段】前記の目的を達成するた
め、本発明に係るプレキヤストコンクリート外壁の構築
方法によれば、柱、梁に接する部分に欠損部を設けると
ともに、同欠損部に定着筋の一部を露出させてなる予め
外面仕上げが施されたプレキヤストコンクリート外壁板
における前記欠損部を、鉄骨柱及び鉄骨梁に仮止めし、
同鉄骨柱、梁と前記欠損部に亘って補強筋を配筋して
柱、梁コンクリートを打設するものである。In order to achieve the above-mentioned object, according to the method of constructing a precast concrete outer wall according to the present invention, a defective portion is provided at a portion in contact with a pillar or a beam and is fixed to the defective portion. The defective portion in the precast concrete outer wall plate, which has been subjected to an external surface finish by exposing a part of the muscles, is temporarily fixed to a steel column and a steel beam,
The reinforcement is arranged across the steel frame column, the beam and the defective portion, and the column and beam concrete are placed.
【０００６】請求項２の発明は前記プレキヤストコンク
リート外壁板は、柱間を適宜寸法に分割した幅を有し、
上下階の各床面より上方位置において上下に隣る前記外
壁板を接合金物によって接合するとともに、前記各外壁
板の外周部相互間を防止ガスケットとコーキング材とに
よって封塞するものである。According to a second aspect of the present invention, the precast concrete outer wall plate has a width obtained by appropriately dividing the space between columns.
The outer wall plates that are vertically adjacent to each other at a position above each floor surface of the upper and lower floors are joined together by a metal joint, and the outer peripheral portions of the outer wall plates are sealed by a preventive gasket and a caulking material.
【０００７】[0007]
【作用】本発明によれば前記したように、予め外面仕上
げが施されたプレキヤストコンクリート外壁板における
柱、梁に接する部分に設けられた欠損部を、鉄骨工事と
平行して鉄骨柱及び鉄骨梁に仮止めし、同柱、梁と定着
筋の一部が露出された前記欠損部との間に補強筋を配筋
し、柱、梁各型枠を組立ててコンクリートを打設し、前
記欠損部に露出した定着筋を介して前記外壁板と一体化
された鉄骨、鉄筋コンクリート柱、梁を構築するもので
ある。According to the present invention, as described above, a defect portion provided in a portion in contact with a column or beam in a precast concrete outer wall plate having an outer surface finished in advance is provided with a steel column and a steel frame in parallel with the steel frame construction. Temporarily fixed to the beam, the same pillar, reinforcing bars are arranged between the beam and the defective portion where a part of the anchoring bar is exposed, and the pillar and beam molds are assembled and concrete is cast. It is intended to construct a steel frame, a reinforced concrete column, and a beam which are integrated with the outer wall plate through a fixing line exposed at the defect.
【０００８】請求項２の発明によれば、上下のプレキヤ
ストコンクリート外壁板が各階床の上部において接合板
によって接合され、躯体の変形を吸収し、地震等による
変位にも追従するとともに、上下に隣る前記外壁板の外
周部相互間が防水ガスケットとコーキングとによって封
塞されていることによって、外部からの漏水が防止され
るものである。According to the invention of claim 2, the upper and lower precast concrete outer wall plates are joined by the joining plates at the upper part of each floor, absorb the deformation of the skeleton, follow the displacement due to an earthquake, etc. Since the outer peripheral portions of the adjacent outer wall plates are sealed by the waterproof gasket and the caulking, water leakage from the outside is prevented.
【０００９】[0009]
【実施例】以下本発明を図示の実施例について説明す
る。Ａはプレキヤストコンクリート外壁板で、柱、梁に
接する部分に欠損部１を設けるとともに、同欠損部１に
壁主筋２及び定着筋３の一部が露出している。（図５参
照） 而して鉄骨柱ａ及び鉄骨梁ｂを建て方して、同柱ａ及び
梁ｂに前記外壁板Ａの欠損部１を仮止めし、下方のプレ
キヤストコンクリート外壁板１同志は公知の接合金物で
接合し、前記鉄骨柱ａ及び梁ｂの外周に柱主筋４及び帯
筋５、梁主筋６及び肋筋７を夫々配筋するとともに、前
記プレキヤストコンクリート外壁板Ａの欠損部１と鉄骨
柱ａ部及び鉄骨梁ｂ部との間に補強筋８を配筋し、柱型
枠及び梁型枠（いずれも図示せず）を組立てて柱コンク
リート９及び梁コンクリート１０を打設して鉄骨鉄筋コ
ンクリート構造の柱Ｂ、梁Ｃを構築し、同柱Ｂ、梁Ｃと
プレキヤストコンクリート外壁板Ａとを後述のように一
体に接合する。The present invention will be described below with reference to the illustrated embodiments. Reference numeral A denotes a precast concrete outer wall plate, in which a defective portion 1 is provided in a portion in contact with a column and a beam, and the wall main bar 2 and part of the anchoring bar 3 are exposed in the defective part 1. (See FIG. 5) Then, the steel columns a and the steel beams b are erected, the defective portions 1 of the outer wall plate A are temporarily fixed to the columns a and b, and the lower precast concrete outer wall plates 1 are used together. Is joined with a known joint metal, and column main bars 4 and stirrups 5, beam main bars 6 and ribs 7 are arranged on the outer circumferences of the steel column a and the beam b, respectively, and the precast concrete outer wall board A is missing. Reinforcing bars 8 are arranged between the part 1 and the steel column a part and the steel beam b part, and a column formwork and a beam formwork (neither of which are shown) are assembled to form a column concrete 9 and a beam concrete 10. Then, columns B and beams C having a steel-framed reinforced concrete structure are constructed, and the columns B and beams C and the precast concrete outer wall board A are integrally joined as described later.
【００１０】なお前記プレキヤストコンクリート外壁板
Ａの大きさは、スパン方向は柱Ｂを掩覆する幅Ｗと搬送
に都合のよい幅Ｗ′に分割し、また高さは階層高Ｈとす
るが、上下端縁を各階床Ｎ1 、Ｎ2 、Ｎ3 …より高さｈ
に位置せしめる。（図１及び図２参照） かくして梁Ｃに対する接合部に欠損部１を設けて、プレ
キヤストコンクリート外壁板Ａ側の定着筋３はコツター
として、梁Ｃ側からの補強筋８をアンカーとして梁コン
クリート１０を打設することによって、前記外壁板Ａと
鉄骨鉄筋コンクリート構造の梁Ｃとが一体に接合され
る。（図４参照） 柱部も同様にして前記外壁板Ａの柱面に設けた欠損部１
に露出させた補強筋３をコツターとして、柱Ｂ側の補強
筋８がアンカーとしてコンクリート９を打設することに
よって、前記外壁板Ａが柱Ｂに接合される。（図３参
照） また上下のプレキヤストコンクリート外壁板Ａは簡単な
接合金物１１によって接合し、躯体の変形を吸収するよ
うにし、地震等の振動による変位にも追従しうるように
する。The size of the precast concrete outer wall board A is divided into a width W for covering the column B and a width W ', which is convenient for transportation, in the span direction, and the height is a floor height H. , The upper and lower edges are higher than the floors N 1 , N 2 , N 3 ...
Position it. (Refer to FIG. 1 and FIG. 2) Thus, the defect portion 1 is provided at the joint portion with respect to the beam C, the anchoring bar 3 on the precast concrete outer wall board A side serves as a cotter, and the reinforcing bar 8 from the beam C side serves as an anchor. By placing 10, the outer wall plate A and the beam C having the steel frame reinforced concrete structure are integrally joined. (See FIG. 4) Similarly, the pillar portion also has a defective portion 1 provided on the pillar surface of the outer wall plate A.
The outer wall plate A is joined to the pillar B by using the exposed reinforcing bar 3 as a cotter and placing concrete 9 as the reinforcing bar 8 on the pillar B side as an anchor. (See FIG. 3) The upper and lower precast concrete outer wall boards A are joined by a simple joining hardware 11 so as to absorb the deformation of the skeleton and to be able to follow the displacement due to vibration such as an earthquake.
【００１１】なお前記外壁板Ａ間の側面外周部は、相互
の溝部１２に防水ガスケット１３を装着し、水切り目地
にコーキング１４を施す。In the outer peripheral portion of the side surface between the outer wall plates A, waterproof gaskets 13 are attached to the mutual groove portions 12 and caulks 14 are applied to the drainage joints.
【００１２】[0012]
【発明の効果】このように本発明によれば、プレキヤス
トコンクリート外壁板の柱、梁に接する部分に、定着筋
の一部が露出した欠損部を設け、同欠損部を鉄骨柱、鉄
骨梁に仮止めし、同柱、梁と前記欠損部との間に補強筋
を配筋して柱、梁コンクリートを打設することによっ
て、鉄骨建方と平行して前記外壁板を取付けて柱、梁と
接合することによって、鉄骨の建方、柱、梁のコンクリ
ート打設後にプレキヤストコンクリート外壁板を取付け
る従来方法に比して省力化、工期の短縮を図ることがで
き、また外面仕上げが予め施されていることによって、
外部足場が不要となり、工費を低減することができる。As described above, according to the present invention, the precast concrete outer wall plate is provided with a defective portion in which a part of the anchoring streak is exposed at a portion in contact with the pillar and the beam, and the defective portion is formed into a steel column or a steel beam. Temporarily fixed to the same column, by arranging reinforcing bars between the beam and the defective portion, by placing concrete pillars, beam concrete, by attaching the outer wall plate in parallel with the steel frame, pillars, By joining with the beam, it is possible to save labor and shorten the construction period compared with the conventional method of mounting the precast concrete outer wall plate after the concrete construction of the steel frame, pillars and beams, and the external surface finish in advance. By being given,
No external scaffolding is required, and the construction cost can be reduced.
【００１３】請求項２の発明は、プレキヤストコンクリ
ート外壁板の上下が簡単な接合金物で接合されたことに
よって、躯体の変形を吸収し、地震時の変形にも追従で
き、前記外壁板の外周部相互間に設けられた防水ガスケ
ットとコーキング材とによって、外部よりの漏水が防止
される。According to the second aspect of the present invention, the precast concrete outer wall plate is joined to the upper and lower parts with simple joining metal parts so that the deformation of the skeleton can be absorbed and the deformation at the time of earthquake can be followed, and the outer periphery of the outer wall plate The waterproof gasket and the caulking material provided between the parts prevent water leakage from the outside.
【図１】本発明の方法によって構築された外壁面の躯体
とプレキヤストコンクリート外壁とを示す正面図であ
る。FIG. 1 is a front view showing a skeleton of an outer wall surface and a precast concrete outer wall constructed by the method of the present invention.
【図２】図１の縦断側面図である。2 is a vertical side view of FIG.
【図３】プレキヤストコンクリート外壁板と柱との接合
部を示す横断平面図である。FIG. 3 is a cross-sectional plan view showing a joint portion between a precast concrete outer wall plate and a column.
【図４】プレキヤストコンクリート外壁板と梁との接合
部を示す縦断面図である。FIG. 4 is a vertical cross-sectional view showing a joint portion between a precast concrete outer wall plate and a beam.
【図５】プレキヤストコンクリート外壁板の部分斜視図
である。FIG. 5 is a partial perspective view of a precast concrete outer wall plate.
Ａ プレキヤストコンクリート外壁板 Ｂ 柱 Ｃ 梁 ａ 鉄骨柱 ｂ 鉄骨梁 １ 欠損部 ３ 定着筋 ８ 補強筋 ９ 柱コンクリート １０ 梁コンクリート １１ 接合金物 １３ 防水ガスケット １４ コーキング A Precast concrete outer wall panel B Column C Beam a Steel frame column b Steel beam 1 Defect part 3 Anchoring bar 8 Reinforcing bar 9 Column concrete 10 Beam concrete 11 Joint metal fittings 13 Waterproof gasket 14 Caulking
Claims (2)
ともに、同欠損部に定着筋の一部を露出させてなる予め
外面仕上げが施されたプレキヤストコンクリート外壁板
における前記欠損部を、鉄骨柱及び鉄骨梁に仮止めし、
同鉄骨柱、梁と前記欠損部に亘って補強筋を配筋して
柱、梁コンクリートを打設することを特徴とするプレキ
ヤストコンクリート外壁の構築方法。1. A defect portion is provided in a portion in contact with a column or a beam, and the defect portion in a precast concrete outer wall plate having a pre-external surface finish formed by exposing a part of anchoring streaks in the defect portion, Temporarily fixed to steel columns and beams,
A method for constructing an outer wall of precast concrete, comprising arranging reinforcing bars across the steel frame column, the beam and the defective portion, and placing the column and beam concrete.
は、柱間を適宜寸法に分割した幅を有し、上下階の各床
面より上方位置において上下に隣る前記外壁板を接合金
物によって接合するとともに、前記各外壁板の外周部相
互間を防水ガスケットとコーキング材とによって封塞す
る請求項１記載のプレキヤストコンクリート外壁の構築
方法。2. The precast concrete outer wall plate has a width in which columns are appropriately divided, and the outer wall plates vertically adjacent to each other at a position above each floor surface of the upper and lower floors are joined together by a joining hardware. The method for constructing a precast concrete outer wall according to claim 1, wherein the outer peripheral portions of the outer wall plates are sealed with a waterproof gasket and a caulking material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22298791A JPH0559775A (en) | 1991-09-03 | 1991-09-03 | Construction method of precast concrete exterior wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22298791A JPH0559775A (en) | 1991-09-03 | 1991-09-03 | Construction method of precast concrete exterior wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0559775A true JPH0559775A (en) | 1993-03-09 |
Family
ID=16791031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22298791A Pending JPH0559775A (en) | 1991-09-03 | 1991-09-03 | Construction method of precast concrete exterior wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0559775A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008223370A (en) * | 2007-03-14 | 2008-09-25 | Haneda Concrete Industrial Co Ltd | Rigidly connecting structure of corner part |
-
1991
- 1991-09-03 JP JP22298791A patent/JPH0559775A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008223370A (en) * | 2007-03-14 | 2008-09-25 | Haneda Concrete Industrial Co Ltd | Rigidly connecting structure of corner part |
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