JP2002327542A - Aseismic wall of existing building, and it construction method - Google Patents
Aseismic wall of existing building, and it construction methodInfo
- Publication number
- JP2002327542A JP2002327542A JP2001135183A JP2001135183A JP2002327542A JP 2002327542 A JP2002327542 A JP 2002327542A JP 2001135183 A JP2001135183 A JP 2001135183A JP 2001135183 A JP2001135183 A JP 2001135183A JP 2002327542 A JP2002327542 A JP 2002327542A
- Authority
- JP
- Japan
- Prior art keywords
- existing building
- earthquake
- reinforcing frame
- wall
- resistant wall
- 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
Links
Landscapes
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は既存建物の耐震壁お
よびその構築方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an earthquake-resistant wall of an existing building and a method for constructing the same.
【０００２】[0002]
【従来の技術】近年、頻繁に発生する地震により、多く
の建物が被害を受け、地震によっては崩壊する建物があ
るため、新築の建物は耐震性に配慮した設計がなされて
いる。一方、既存の建物の多くは耐震性が劣るため、後
から耐震補強をしているのが現状である。図６は耐震壁
２８の一例を示し、日常の業務や生活を妨げないために
建物の内部からではなく、外部から外壁面２９に補強フ
レーム３０を後施工アンカー３１で固定している。2. Description of the Related Art In recent years, many buildings have been damaged by frequent earthquakes, and some buildings have collapsed due to the earthquake. Therefore, newly-built buildings have been designed with consideration for earthquake resistance. On the other hand, most of the existing buildings are inferior in earthquake resistance. FIG. 6 shows an example of the earthquake-resistant wall 28, in which a reinforcing frame 30 is fixed to an outer wall surface 29 from outside, not from inside the building, with a post-installed anchor 31 so as not to hinder daily work and life.
【０００３】[0003]
【発明が解決しようとする課題】しかし、上記の耐震壁
は外部作業により補強フレームを固定しているが、仕上
げ面をはつる作業や、後施工アンカーを施工する際の騒
音や振動が激しく、日常の業務や生活を通常通り行うの
が困難であった。However, in the above-mentioned earthquake-resistant wall, the reinforcing frame is fixed by external work. However, noise and vibration during the work of peeling off the finished surface and installing the post-installed anchor are severe. It was difficult to perform daily tasks and daily life as usual.
【０００４】本発明はこれらの問題に鑑みてなされたも
のであり、その目的は、既存建物内において日常の業務
や生活を妨げることなく、耐震補強のできる既存建物の
耐震壁およびその構築方法を提供することである。[0004] The present invention has been made in view of these problems, and an object of the present invention is to provide a seismic wall of an existing building and a method of constructing the same, which can reinforce seismic resistance in the existing building without interrupting daily work and life. To provide.
【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
めの手段は、請求項１の発明の既存建物の耐震壁が、既
存建物における外壁の柱面および梁面に補強フレームが
設けられ、該補強フレームと柱面および梁面とにわたっ
て接続コッターが設けられたことを特徴とし、また請求
項２の発明の既存建物の耐震壁が、請求項１において、
補強フレームは鉄骨またはプレキャストコンクリートで
あることを特徴とし、また請求項３の発明の既存建物の
耐震壁が、請求項１または２において、梁面における接
続コッターは下端があばら筋より内側に位置したことを
特徴とし、また請求項４の発明の既存建物の耐震壁が、
請求項１〜３のいずれかにおいて、接続コッターは管体
およびプレキャストコンクリート柱体であることを特徴
とし、また請求項５の発明の既存建物の耐震壁の構築方
法が、既存建物における外壁の梁面および柱面に接続コ
ッターを一端部が突出するように適宜間隔をもって設
け、該接続コッターの一端部を補強フレームに接合する
ことを特徴とする。Means for solving the above problems are as follows. According to the first aspect of the present invention, the earthquake-resistant wall of the existing building has a reinforcing frame provided on the pillar surface and the beam surface of the outer wall of the existing building. A connection cotter is provided over the reinforcing frame, the column surface and the beam surface, and the earthquake-resistant wall of the existing building according to the second aspect of the present invention,
The reinforcing frame is made of steel frame or precast concrete, and the earthquake-resistant wall of the existing building according to the third aspect of the present invention is the one according to the first or second aspect, wherein the connection cotter on the beam surface has a lower end located inside the stirrup. The earthquake-resistant wall of the existing building according to the invention of claim 4 is characterized in that:
The connecting cotter according to any one of claims 1 to 3, wherein the connecting cotter is a tubular body and a precast concrete pillar, and the method for constructing an earthquake-resistant wall of an existing building according to the invention of claim 5 is characterized in that: A connection cotter is provided on the surface and the column surface at an appropriate interval such that one end protrudes, and one end of the connection cotter is joined to the reinforcing frame.
【０００６】接続コッターが大きなせん断抵抗となっ
て、補強フレームが柱面および梁面に強固に接合され
る。騒音、振動、粉塵などを発生させずに補強フレーム
を柱および梁面に接合することができる。既存建物にお
ける日常の業務および生活を妨げることなく、補強フレ
ームを柱面および梁面に接合することができる。既存建
物における仕上げ面を残したままで補強フレームが接合
できるので、産業廃棄物の発生を抑えることができる。[0006] The connection cotter has a large shear resistance, and the reinforcing frame is firmly joined to the column surface and the beam surface. The reinforcing frame can be joined to the columns and beam surfaces without generating noise, vibration, dust and the like. The reinforcing frame can be joined to the column surface and the beam surface without interrupting the daily work and life in the existing building. Since the reinforcement frame can be joined while leaving the finished surface of the existing building, the generation of industrial waste can be suppressed.
【０００７】[0007]
【発明の実施の形態】以下、本発明の既存建物の耐震壁
およびその構築方法の実施の形態を図面に基づいて詳細
に説明する。はじめに既存建物の耐震壁の実施の形態を
説明し、その後に耐震壁の構築方法の実施の形態を説明
するが、各実施の形態において同じ構成は同じ符号を付
して説明し、異なる構成にのみ異なった符号を付して説
明する。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of a shear wall of an existing building and a method of constructing the same according to the present invention will be described in detail with reference to the drawings. First, an embodiment of an earthquake-resistant wall of an existing building will be described, and thereafter, an embodiment of a method of constructing a earthquake-resistant wall will be described. In each embodiment, the same configuration is denoted by the same reference numeral, and different configurations are described. Only different reference numerals are used for the description.
【０００８】図１および２は、第１の実施の形態の既存
建物の耐震壁１を示したものである。この耐震壁１は開
口部２のある外壁面の柱面３および梁面４に補強フレー
ム５が接続コッター６で取り付けられて構成されてい
る。この補強フレーム５は垂直材７、水平材８およびブ
レース９から構成され、これらが鉄骨１０とその周囲を
覆った鉄筋コンクリート１１とで形成され、水平材の端
部８ａとブレースの端部９ａとがモルタル（または現場
打ちコンクリート）１２で覆われている。このモルタル
（または現場打ちコンクリート）１２は垂直材７および
水平材８の接合面側の凹部１３にも充填されて柱面３お
よび梁面４に接着している。一方、接続コッター６は鋼
管が使用され、その先端側が垂直材７および水平材８の
貫通孔１４に挿入されるとともに、下部側が柱面３およ
び梁面４の挿入溝１５に接着剤１６で接合されている。
また接続コッター６の後端側が柱では帯筋３ａに接して
いるが、梁でははあばら筋４ａよりも内側に位置してい
る。また接続コッター６は、プレキャストコンクリート
柱体で形成することもできる。FIGS. 1 and 2 show an earthquake-resistant wall 1 of an existing building according to the first embodiment. The earthquake-resistant wall 1 is configured such that a reinforcing frame 5 is attached to a column surface 3 and a beam surface 4 of an outer wall surface having an opening 2 by a connection cotter 6. The reinforcing frame 5 is composed of a vertical member 7, a horizontal member 8, and a brace 9, which are formed of a steel frame 10 and reinforced concrete 11 covering the periphery thereof, and an end 8a of the horizontal member and an end 9a of the brace are formed. It is covered with mortar (or cast-in-place concrete) 12. This mortar (or cast-in-place concrete) 12 is also filled in the concave portion 13 on the joint surface side of the vertical member 7 and the horizontal member 8 and adheres to the column surface 3 and the beam surface 4. On the other hand, a steel pipe is used for the connection cotter 6, and the tip side is inserted into the through holes 14 of the vertical member 7 and the horizontal member 8, and the lower side is joined to the insertion groove 15 of the column surface 3 and the beam surface 4 with an adhesive 16. Have been.
Further, the rear end side of the connection cotter 6 is in contact with the stirrup 3a in the column, but is located inside the stirrup 4a in the beam. Further, the connection cotter 6 can be formed of a precast concrete pillar.
【０００９】図３および４は、第２の実施の形態の既存
建物の耐震壁１７を示したものである。この耐震壁１７
は、鉄骨製の補強フレーム１８が接続コッター６にボル
ト止めされたものであり、これ以外は前記の耐震壁１７
と同じ構成である。前記接続コッター６は上面に接合プ
レート１９が設けられ、この接合プレート１９がボルト
２０で補強フレーム１８に接合されている。そして、補
強フレーム１８の接合面側にはモルタル（または現場打
ちコンクリート）１２が充填されて柱面３および梁面４
に接着している。FIGS. 3 and 4 show an earthquake-resistant wall 17 of an existing building according to the second embodiment. This earthquake-resistant wall 17
Is a reinforcing frame 18 made of steel and bolted to the connection cotter 6.
It has the same configuration as. The connection cotter 6 is provided with a joining plate 19 on the upper surface, and the joining plate 19 is joined to the reinforcing frame 18 with bolts 20. Mortar (or cast-in-place concrete) 12 is filled on the joint surface side of the reinforcing frame 18 so that the column surface 3 and the beam surface 4 are filled.
Glued to.
【００１０】図５は、第３の実施の形態の既存建物の耐
震壁２１を示したものであり、ウエブ２２に主筋２３お
よびフープ筋２４が配筋された補強フレーム２５が接続
コッター６で梁面４および柱面３に取り付けられて構成
されたものである。この補強フレーム２５はフランジ２
６が柱面３または梁面４と垂直になるように取り付けら
れ、これらの柱面３または梁面４から突出した接続コッ
ター６の一部がフランジ２６とウエブ２２とで囲まれた
凹部２７に配設され、該凹部２７にモルタル（または現
場打ちコンクリート）１２が充填されている。FIG. 5 shows an earthquake-resistant wall 21 of an existing building according to the third embodiment. A reinforcing frame 25 in which a main reinforcement 23 and a hoop reinforcement 24 are arranged on a web 22 is connected to a beam by a connection cotter 6. It is configured to be attached to the surface 4 and the column surface 3. This reinforcing frame 25 is a flange 2
6 is mounted so as to be perpendicular to the column surface 3 or the beam surface 4, and a part of the connection cotter 6 protruding from the column surface 3 or the beam surface 4 is formed in a concave portion 27 surrounded by the flange 26 and the web 22. The mortar (or cast-in-place concrete) 12 is filled in the recess 27.
【００１１】次に、第１の実施の形態の耐震壁１の構築
方法を図１および２に基づいて説明する。はじめに、接
続コッターを挿入する貫通孔１４が予め設けられた補強
フレーム５を現場または工場で製作する。次に、柱面３
および梁面４にコアドリルで接続コッターの挿入溝１５
を適宜間隔ごとに開け、この挿入溝１５に接続コッター
６を嵌入して接着剤１６で固定すると、先端側が突出し
た状態になる。次に、前記補強フレーム５をクレーンで
吊り上げて、貫通孔１４に接続コッター６を挿入して仮
接合する。そして、水平材の両端部８ａとブレースの両
端部９ａとの交差部に型枠（図示せず）を組立形成し、
該型枠内と、垂直材７および水平材８の凹部１３とに前
記貫通孔１４からモルタル１２を充填する。そして、こ
のモルタル１２が硬化した後に、前記型枠を解体する
と、図１に示すような耐震壁１が構築される。なお、第
２および３の実施の形態の耐震壁１７、２１も上記とほ
ぼ同じ方法で構築する。Next, a method of constructing the earthquake-resistant wall 1 according to the first embodiment will be described with reference to FIGS. First, a reinforcing frame 5 in which a through hole 14 for inserting a connection cotter is provided in advance is manufactured at a site or a factory. Next, pillar surface 3
And a cotter insertion groove 15 connected to the beam surface 4 with a core drill
Are opened at appropriate intervals, and the connection cotter 6 is fitted into the insertion groove 15 and fixed with the adhesive 16, so that the tip side projects. Next, the reinforcing frame 5 is lifted by a crane, and the connection cotter 6 is inserted into the through hole 14 and temporarily joined. Then, a formwork (not shown) is assembled and formed at the intersection of both ends 8a of the horizontal member and both ends 9a of the brace.
The mortar 12 is filled through the through hole 14 into the inside of the mold and the concave portions 13 of the vertical member 7 and the horizontal member 8. Then, after the mortar 12 has hardened, the mold is dismantled, and the earthquake-resistant wall 1 as shown in FIG. 1 is constructed. The earthquake-resistant walls 17 and 21 of the second and third embodiments are constructed in substantially the same manner as described above.
【００１２】[0012]
【発明の効果】接続コッターが大きなせん断抵抗となっ
て、補強フレームを柱面および梁面に強固に接合するこ
とができる。According to the present invention, the connection cotter has a large shear resistance, and the reinforcing frame can be firmly joined to the column surface and the beam surface.
【００１３】騒音、振動、粉塵などを発生させずに、補
強フレームを柱面および梁面に接合することができる。The reinforcing frame can be joined to the column surface and the beam surface without generating noise, vibration, dust, and the like.
【００１４】既存建物における日常の業務および生活を
妨げることなく、補強フレームを柱および梁面に接合す
ることができる。[0014] The reinforcing frame can be joined to the columns and beam surfaces without interrupting the daily work and life in the existing building.
【００１５】既存建物における仕上げ面を残したままで
（仕上げ面をはつる作業をなくした）補強フレームを接
合することができるので、産業廃棄物の発生を抑えるこ
とができる。[0015] Since the reinforcing frame can be joined while leaving the finished surface of the existing building (the work of stripping the finished surface is eliminated), the generation of industrial waste can be suppressed.
【図１】第１の実施の形態の耐震壁の正面図である。FIG. 1 is a front view of an earthquake-resistant wall according to a first embodiment.
【図２】（１）は図１のＡ−Ａ線断面図、（２）は
（１）の拡大断面図、（３）は図１のＢ−Ｂ線断面図で
ある。2A is a sectional view taken along line AA of FIG. 1, FIG. 2B is an enlarged sectional view of FIG. 1A, and FIG. 2B is a sectional view taken along line BB of FIG.
【図３】第２の実施の形態の耐震壁の正面図である。FIG. 3 is a front view of an earthquake-resistant wall according to a second embodiment.
【図４】（１）は図３のＣ−Ｃ線断面図、（２）は図３
のＤ−Ｄ線断面図である。4A is a cross-sectional view taken along the line CC of FIG. 3; FIG.
FIG. 4 is a sectional view taken along line DD of FIG.
【図５】第３の実施の形態の耐震壁の断面図である。FIG. 5 is a sectional view of an earthquake-resistant wall according to a third embodiment.
【図６】従来の耐震壁の断面図である。FIG. 6 is a sectional view of a conventional earthquake-resistant wall.
１、１７、２１、２８ 耐震壁 ２ 開口部 ３ 柱面 ４ 梁面 ５、１８、２３、２５、３０ 補強フレーム ６ 接続コッター ７ 垂直材 ８ 水平材 ９ ブレース １０ 鉄骨 １１ 鉄筋コンクリート １２ モルタル １３、２７ 凹部 １４ 貫通孔 １５ 挿入溝 １６ 接着剤 １９ 接合プレート ２０ ボルト ２２ ウエブ ２３ 主筋 ２４ フープ筋 ２６ フランジ ２９ 外壁面 ３１ 後施工アンカー 1, 17, 21, 28 Earthquake-resistant wall 2 Opening 3 Column surface 4 Beam surface 5, 18, 23, 25, 30 Reinforcement frame 6 Connection cotter 7 Vertical member 8 Horizontal member 9 Brace 10 Steel frame 11 Reinforced concrete 12 Mortar 13, 27 Recess Reference Signs List 14 through hole 15 insertion groove 16 adhesive 19 bonding plate 20 bolt 22 web 23 main bar 24 hoop bar 26 flange 29 outer wall surface 31 post-installed anchor
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小迫 英司 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 荒井 豊人 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 中原 理揮 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 山下 英利 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 岩波 光一 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 松永 茂実 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 羽鳥 敏明 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 山内 茂一 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 菊田 繁実 東京都中央区京橋１−７−１ 戸田建設株 式会社内 (72)発明者 佐藤 則勝 千葉県千葉市中央区新宿１−21−11 戸田 建設株式会社千葉支店内 Ｆターム(参考） 2E176 AA01 AA07 BB29 ────────────────────────────────────────────────── ─── Continued on the front page (72) Eiji Kosako, Inventor 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Toyoto Arai 1-7-1, Kyobashi, Chuo-ku, Tokyo Toda Construction Inside (72) Inventor Riki Nakahara 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Hidetoshi Yamashita 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Koichi Iwanami 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Shigetomi Matsunaga 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Toshiaki Hatori 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Shigeichi Yamauchi 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Shigemi Kikuta east 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Norikatsu Sato 1-21-11 Shinjuku, Chuo-ku, Chiba-shi, Chiba Toda Construction Co., Ltd. F-term (reference) 2E176 AA01 AA07 BB29
Claims (5)
に補強フレームが設けられ、該補強フレームと柱面およ
び梁面とにわたって接続コッターが設けられたことを特
徴とする既存建物の耐震壁。1. An earthquake-resistant wall of an existing building, wherein a reinforcing frame is provided on a column surface and a beam surface of an outer wall of the existing building, and a connection cotter is provided between the reinforcing frame and the column surface and the beam surface.
コンクリートであることを特徴とする請求項１に記載の
既存建物の耐震壁。2. The earthquake-resistant wall of an existing building according to claim 1, wherein the reinforcing frame is made of steel frame or precast concrete.
ら筋より内側に位置したことを特徴とする請求項１また
は２に記載の既存建物の耐震壁。3. The earthquake-resistant wall of an existing building according to claim 1, wherein a lower end of the connection cotter on the beam surface is located inside the stirrup.
コンクリート柱体であることを特徴とする請求項１〜３
のいずれかに記載の既存建物の耐震壁。4. The connecting cotter is a tubular body and a precast concrete column.
The earthquake-resistant wall of an existing building described in any of the above.
に接続コッターを一端部が突出するように適宜間隔をも
って設け、該接続コッターの一端部を補強フレームに接
合することを特徴とする既存建物の耐震壁の構築方法。5. An existing building, wherein connection cotters are provided at appropriate intervals on the beam surface and the column surface of the outer wall of the existing building so that one end thereof protrudes, and one end of the connection cotter is joined to the reinforcing frame. How to build a shear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001135183A JP3776330B2 (en) | 2001-05-02 | 2001-05-02 | Seismic walls of existing buildings and construction methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001135183A JP3776330B2 (en) | 2001-05-02 | 2001-05-02 | Seismic walls of existing buildings and construction methods |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| JP3776330B2 JP3776330B2 (en) | 2006-05-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008138411A (en) * | 2006-11-30 | 2008-06-19 | Kumagai Gumi Co Ltd | Connecting member and connecting structure of skeleton of existing building and aseismic reinforcement |
| JP2008303705A (en) * | 2008-07-24 | 2008-12-18 | Toda Constr Co Ltd | Aseismic control structure |
| JP2009013782A (en) * | 2008-07-24 | 2009-01-22 | Toda Constr Co Ltd | Aseismic response control reinforcing construction method, its aseismic response control reinforcing body and aseismic response control reinforcing structure |
| JP2009068182A (en) * | 2007-09-11 | 2009-04-02 | Takenaka Komuten Co Ltd | Aseismatic reinforcing structure and method for existing building |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6172501B2 (en) * | 2013-03-08 | 2017-08-02 | 戸田建設株式会社 | Seismic reinforcement structure and seismic reinforcement method |
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2001
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008138411A (en) * | 2006-11-30 | 2008-06-19 | Kumagai Gumi Co Ltd | Connecting member and connecting structure of skeleton of existing building and aseismic reinforcement |
| JP2009068182A (en) * | 2007-09-11 | 2009-04-02 | Takenaka Komuten Co Ltd | Aseismatic reinforcing structure and method for existing building |
| JP2008303705A (en) * | 2008-07-24 | 2008-12-18 | Toda Constr Co Ltd | Aseismic control structure |
| JP2009013782A (en) * | 2008-07-24 | 2009-01-22 | Toda Constr Co Ltd | Aseismic response control reinforcing construction method, its aseismic response control reinforcing body and aseismic response control reinforcing structure |
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| JP3776330B2 (en) | 2006-05-17 |
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