JP2002276163A - Earthquake resisting reinforced structure of building - Google Patents

Earthquake resisting reinforced structure of building

Info

Publication number
JP2002276163A
JP2002276163A JP2001070578A JP2001070578A JP2002276163A JP 2002276163 A JP2002276163 A JP 2002276163A JP 2001070578 A JP2001070578 A JP 2001070578A JP 2001070578 A JP2001070578 A JP 2001070578A JP 2002276163 A JP2002276163 A JP 2002276163A
Authority
JP
Japan
Prior art keywords
wall
bearing wall
cross
existing
parallel
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
Application number
JP2001070578A
Other languages
Japanese (ja)
Inventor
Shuji Ogasawara
修司 小笠原
Isamu Sato
勇 佐藤
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.)
TOKYU AMENIX CORP
Original Assignee
TOKYU AMENIX 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 TOKYU AMENIX CORP filed Critical TOKYU AMENIX CORP
Priority to JP2001070578A priority Critical patent/JP2002276163A/en
Publication of JP2002276163A publication Critical patent/JP2002276163A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide an earthquake resisting reinforced structure of a building as well as the beauty of the building. SOLUTION: The earthquake resisting reinforced structure for reinforcing the earthquake resisting strength of the existing wooden house 1 includes a cross bearing wall 5 fixing one end to the outside of the existing wall 2 having many openings 3 and not many bearing walls and extending the other end to a predetermined length in the cross direction, at the same time, locating the upper end upward from the upper edges of the openings 3 and supporting the basic end by a foundation 7 or the like, a parallel bearing wall 6 connected to the cross bearing wall 5, extending the predetermined length to the existing wall 2 in parallel, at the same time, making the upper end have the same height as that of the cross bearing wall 5 and supporting the basic end by the foundation 7 or the like and an upper wall 8 erected by connecting the parallel bearing wall 6, the cross bearing wall 5 and the outside of the existing wall 2 to each other.

Description

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

【0001】[0001]

【発明の属する技術分野】本発明は、既存の木造住宅の
耐震強度を補強する耐震補強構造に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seismic reinforcement structure for reinforcing the seismic strength of an existing wooden house.

【0002】[0002]

【従来の技術】既存の木造住宅で、特に築年数の大きい
古い住宅は、採光のための南向きの開口部が多く、その
ため南面の既設壁の面積が少ないものが多い。
2. Description of the Related Art Many existing wooden houses, particularly old ones having a long age, have many south-facing openings for daylighting, and therefore have a small existing wall area on the south side.

【0003】ところで、近年、耐震上の問題から、住宅
における構造的強度の向上が求められている。しかし、
上述のように、既設壁の面積が一面に偏って極端に少な
い住宅は、一般的に構造上弱く、必要な耐震構造的強度
を有していないものが見受けられる。
[0003] In recent years, due to the problem of earthquake resistance, improvement of structural strength in houses has been demanded. But,
As described above, houses with existing walls having an extremely small area on one side are generally structurally weak and do not have the required seismic structural strength.

【0004】そのような住宅では、構造的強度を向上さ
せる耐震補強工事を行う必要がある。従来の一般的な耐
震補強は、開口部を潰して壁にしたり、開口部の手前に
ブレースを入れるなどして、構造的に地震荷重を支持す
ることができる耐力壁を増やす工事が行われていた。
[0004] In such a house, it is necessary to perform seismic strengthening work to improve the structural strength. Conventional general seismic retrofitting is done by crushing the opening to form a wall or placing a brace in front of the opening to increase the number of structural walls that can structurally support the seismic load. Was.

【0005】[0005]

【発明が解決しようとする課題】しかしながら、上述の
耐震補強では、開口部が減少したり、室内側へ補強部材
が張り出したりする等、無骨な仕上がりとなってしま
い、美観を損ねてしまいうといった問題があった。特
に、耐震補強が行われる開口部の多い部屋は、居間や客
間といった居室が多く、美観が求められる。
However, in the above-mentioned seismic reinforcement, the openings are reduced, and the reinforcing members are protruded toward the indoor side, resulting in a rustic finish, which impairs the aesthetic appearance. There was a problem. In particular, a room with many openings where seismic reinforcement is performed has many rooms such as a living room and a guest room, and an aesthetic appearance is required.

【0006】そこで本発明は、上記問題を解決するため
に案出されたものであって、その目的は、美観を備える
と共に耐震補強することができる建築物の耐震補強構造
を提供することにある。
The present invention has been devised in order to solve the above problems, and an object of the present invention is to provide a seismic reinforcement structure for a building which has an aesthetic appearance and is capable of seismic reinforcement. .

【0007】[0007]

【課題を解決するための手段】本発明は、上記問題を解
決するために、既存の木造住宅の耐震強度を補強する耐
震補強構造において、開口部が多く耐力壁が少ない既設
壁の外側面に、一端部が固定され他端部が交差方向に所
定長さ延出されると共に上端部が上記開口部の上縁より
上方に位置され且つ基端部が基礎等に支持された交差耐
力壁と、この交差耐力壁に接続され上記既設壁に平行に
所定長さ延出されると共に上端部が上記交差耐力壁と同
様の高さで且つ基端部が基礎等に支持された平行耐力壁
と、この平行耐力壁と上記交差耐力壁と上記既設壁の外
側面とを互いに結んで掛け渡された上部壁とを備えたも
のである。
SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a seismic reinforcement structure for reinforcing the seismic strength of an existing wooden house, which is provided on an outer surface of an existing wall having many openings and few bearing walls. A cross-bearing wall having one end fixed and the other end extending a predetermined length in the cross direction, the upper end positioned above the upper edge of the opening, and the base end supported by a foundation or the like, A parallel load-bearing wall connected to the cross-bearing wall, extending a predetermined length in parallel with the existing wall, and having an upper end having the same height as the cross-bearing wall and having a base end supported by a foundation or the like; It has a parallel bearing wall, the cross bearing wall, and an upper wall that is connected and bridged to the outer surface of the existing wall.

【0008】上記構成によれば、交差耐力壁、平行耐力
壁、上部壁を一体的に既設壁に結んで固定したことによ
って、比較的小さい部材で効果的に耐力壁を増加させ、
強度を向上することができるので、耐震補強を効率よく
行うことができる。また、交差耐力壁及び平行耐力壁の
デザインの自由度が高いので、美観を備えることができ
る。
According to the above construction, the cross bearing wall, the parallel bearing wall, and the upper wall are integrally connected to the existing wall and fixed, so that the bearing wall can be effectively increased with a relatively small member.
Since the strength can be improved, seismic reinforcement can be efficiently performed. Further, since the degree of freedom in designing the cross bearing wall and the parallel bearing wall is high, an aesthetic appearance can be provided.

【0009】そして、上記交差耐力壁及び平行耐力壁
が、上記既設壁の開口部の両側位置にそれぞれ設けら
れ、且つ各平行耐力壁間が開放されるように間隔をあけ
て配置されたものが好ましい。
The cross bearing wall and the parallel bearing wall are provided on both sides of the opening of the existing wall, and are arranged at intervals so that the parallel bearing walls are opened. preferable.

【0010】また、上記交差耐力壁及び平行耐力壁が、
その外周を囲むフレームに、そのフレームを補強する斜
材が設けられてなるものが好ましい。
[0010] Further, the cross bearing wall and the parallel bearing wall include:
It is preferable that a frame surrounding the outer periphery be provided with a diagonal member for reinforcing the frame.

【0011】さらに、上記上部壁が、その上部に形成さ
れるバルコニーの床面を構成するものが好ましい。
Further, it is preferable that the upper wall constitutes a floor surface of a balcony formed on the upper wall.

【0012】[0012]

【発明の実施の形態】本発明の実施の形態を添付図面を
用いて説明する。
Embodiments of the present invention will be described with reference to the accompanying drawings.

【0013】図1は本発明に係る建築物の耐震補強構造
の好適な実施の形態を示した斜視図、図2は本発明に係
る建築物の耐震補強構造の好適な実施の形態を示した平
面図、図3は本発明に係る建築物の耐震補強構造の好適
な実施の形態を示した正面図、図4は図2のA−A線断
面図、図5は図2のB−B線断面図、図6は本発明に係
る建築物の耐震補強構造の好適な実施の形態を示した側
面図である。
FIG. 1 is a perspective view showing a preferred embodiment of a seismic reinforcement structure of a building according to the present invention, and FIG. 2 shows a preferred embodiment of a seismic reinforcement structure of a building according to the present invention. FIG. 3 is a plan view, FIG. 3 is a front view showing a preferred embodiment of the seismic retrofitting structure of a building according to the present invention, FIG. 4 is a sectional view taken along line AA of FIG. 2, and FIG. FIG. 6 is a side view showing a preferred embodiment of the seismic reinforcement structure for a building according to the present invention.

【0014】まず、係る建築物の耐震補強構造の構成に
ついて説明する。
First, the configuration of the seismic retrofit structure of the building will be described.

【0015】なお、本実施の形態では、木造住宅の開口
部の多い南側壁面に耐震補強工事を行った例を挙げて説
明する。
In the present embodiment, an example in which seismic retrofitting work is performed on the south side wall surface of a wooden house having many openings will be described.

【0016】図示した既存の木造住宅1の南側の既設壁
2には、ほぼ全面に渡って開口部3となる窓4が設けら
れている。本発明に係る建築物の耐震補強構造は、上記
既設壁2の外側面に形成されて、耐震補強を行うもので
ある。
The existing wall 2 on the south side of the illustrated existing wooden house 1 is provided with a window 4 serving as an opening 3 over almost the entire surface. The seismic retrofit structure of the building according to the present invention is formed on the outer surface of the existing wall 2 to perform seismic retrofit.

【0017】上述の耐震補強構造は、一端部が既設壁2
に固定され、他端部が交差方向に所定長さ延出されると
共に、上端部が開口部3の上縁より上方に位置され且つ
基端部が基礎7等に支持された交差耐力壁5と、この交
差耐力壁5に接続され既設壁2に平行に所定長さ延出さ
れると共に上端部が交差耐力壁5と同様の高さで且つ基
端部が基礎7等に支持された平行耐力壁6と、この平行
耐力壁6と交差耐力壁5と既設壁2の外側面とを互いに
結んで掛け渡された上部壁8とを備えたことを特徴とす
る。
In the above-described seismic retrofit structure, one end of the existing wall 2
, The other end is extended in the cross direction by a predetermined length, and the upper end is located above the upper edge of the opening 3 and the base end is supported by the foundation 7 or the like. A parallel bearing wall connected to the cross bearing wall 5 and extending a predetermined length in parallel with the existing wall 2, having an upper end portion having the same height as the cross bearing wall 5, and having a base end supported by the foundation 7 or the like. 6, and an upper wall 8 which is connected to the parallel bearing wall 6, the cross bearing wall 5, and the outer side surface of the existing wall 2 and is bridged therebetween.

【0018】交差耐力壁5及び平行耐力壁6は、その外
周を囲むべく、垂直材9と水平材10とからなる四角形
状のフレーム11に、そのフレーム11を補強する斜材
(筋かい)12が設けられて構成されている。フレーム
11及び斜材12は、ヒバ等の硬質の木材からなり、断
面方形(例えば105×105)に形成されている。フ
レーム11及び斜材12は、互いに接合金物14で補強
接合されている。なお、本実施の形態では、高さ方向中
間部に中桟16が設けられており、強度のさらなる向上
が図られている。
The cross bearing wall 5 and the parallel bearing wall 6 are provided on a square frame 11 composed of a vertical member 9 and a horizontal member 10 so as to surround the outer periphery thereof. Is provided. The frame 11 and the diagonal member 12 are made of hard wood such as hiba, and have a rectangular cross section (for example, 105 × 105). The frame 11 and the diagonal member 12 are reinforced and joined to each other by a metal joint 14. In the present embodiment, the middle crosspiece 16 is provided at the middle portion in the height direction, and the strength is further improved.

【0019】なお、フレーム11及び斜材12の材質
は、木材に限られるものではなく、必要な強度を有して
いれば、鉄骨等他の材質であってもよい。また、その断
面も方形に限られるものではなく、円形や多角形等、求
められるデザインに合わせたものであってよい。
The materials of the frame 11 and the diagonal member 12 are not limited to wood, but may be other materials such as a steel frame as long as they have necessary strength. Also, the cross section is not limited to a square, but may be a circle, a polygon, or the like that matches the required design.

【0020】本実施の形態では、交差耐力壁5は、既設
壁2の開口部3の両側位置で、その既設壁2に直角に交
差してそれぞれ配置されている。なお、既設壁2に対す
る交差耐力壁5の交差角度は、直角に限られるものでは
ない。交差耐力壁5は、既設壁2の内部の柱15の外側
面位置に配置されており、所定ピッチで垂直材9から柱
15に向かって設けられた通しボルト31によって固定
されている。
In the present embodiment, the cross-bearing walls 5 are arranged on both sides of the opening 3 of the existing wall 2 so as to intersect the existing wall 2 at right angles. The intersection angle of the intersection bearing wall 5 with the existing wall 2 is not limited to a right angle. The cross-bearing wall 5 is arranged at an outer surface of the column 15 inside the existing wall 2 and is fixed at a predetermined pitch by a through bolt 31 provided from the vertical member 9 toward the column 15.

【0021】平行耐力壁6は、各交差耐力壁5の外側端
部から平行耐力壁5に直角に交差して互いに内側に向い
てそれぞれ配置されている。すなわち、平行耐力壁6は
既設壁2と平行となっている。各平行耐力壁6は、例え
ば、略910mmの長さに形成されており、その間は開
放されるように間隔をあけて配置されている。なお、こ
の平行耐力壁6の長さは、既存の木造住宅1の耐力壁の
量に応じて算出されるものである。
The parallel bearing walls 6 are arranged so as to intersect at right angles to the parallel bearing walls 5 from the outer ends of the respective cross bearing walls 5 and face inward from each other. That is, the parallel bearing wall 6 is parallel to the existing wall 2. Each parallel load-bearing wall 6 is formed to have a length of, for example, approximately 910 mm, and is arranged at intervals so as to be open therebetween. The length of the parallel bearing wall 6 is calculated according to the amount of the bearing wall of the existing wooden house 1.

【0022】本実施の形態では、交差耐力壁5の外側の
垂直材9が、平行耐力壁6の交差耐力壁5側の垂直材9
と兼用されて同一となっており、交差耐力壁5と平行耐
力壁6とが平面L字状に一体で形成されている。
In the present embodiment, the vertical members 9 on the outer side of the cross bearing wall 5 are the vertical members 9 on the side of the cross bearing wall 5 of the parallel bearing wall 6.
The cross bearing wall 5 and the parallel bearing wall 6 are integrally formed in a plane L-shape.

【0023】基礎7は、交差耐力壁5及び平行耐力壁6
の下部に形成された立上り部17と、交差耐力壁5及び
平行耐力壁6で囲まれる部分の地面に形成された床スラ
ブ18とで構成されている。
The foundation 7 includes a cross bearing wall 5 and a parallel bearing wall 6.
And a floor slab 18 formed on the ground at a portion surrounded by the cross bearing wall 5 and the parallel bearing wall 6.

【0024】立上り部17は鉄筋コンクリートにて形成
され、既存の基礎19とはアンカーボルト(図示せず)
によって固定されている。立上り部17の高さは、階高
から決定されるようになっている。すなわち、立上り部
17の高さを調節することによって、その上部に固定さ
れる交差耐力壁5及び平行耐力壁6の高さを一定にする
ことができる。
The rising portion 17 is made of reinforced concrete, and is connected to an existing foundation 19 by anchor bolts (not shown).
Has been fixed by. The height of the rising portion 17 is determined from the floor height. That is, by adjusting the height of the rising portion 17, the heights of the cross bearing wall 5 and the parallel bearing wall 6 fixed to the upper portion can be made constant.

【0025】交差耐力壁5及び平行耐力壁6は、アンカ
ーボルト20を介して立上り部17に固定されている。
The cross bearing wall 5 and the parallel bearing wall 6 are fixed to the rising portion 17 via anchor bolts 20.

【0026】床スラブ18は、砂利や割りぐり石21の
上に配筋して、コンクリート22を打設し、その上部に
モルタル23を塗って形成されている。表面にはタイル
24等が貼られて、テラス状に仕上げられている。
The floor slab 18 is formed by arranging reinforcing steel on gravel or crushed stone 21, casting concrete 22, and coating mortar 23 on the top. A tile 24 or the like is stuck on the surface and finished in a terrace shape.

【0027】上部壁8は、外周を囲む断面積の大きいフ
レーム25と、そのフレーム25の内側に所定ピッチで
設けられた根太26と、その根太26の上部に貼り付け
られた板材27とで構成されている。なお、本実施の形
態においては、上部壁8が、その上部に形成されるバル
コニー28の床面29を形成するため、フレーム25内
の部材を根太と称している。
The upper wall 8 is composed of a frame 25 having a large cross-sectional area surrounding the outer periphery, a joist 26 provided at a predetermined pitch inside the frame 25, and a plate 27 attached to the upper part of the joist 26. Have been. In the present embodiment, since the upper wall 8 forms the floor surface 29 of the balcony 28 formed thereon, the members in the frame 25 are called joists.

【0028】板材27としては、構造用合板(例えば厚
さ15mm)が用いられている。フレーム25には、断
面方形(例えば105×240)の木材が用いられ、根
太26には、断面方形(例えば45×90)の木材が用
いられている。既設壁2側のフレーム25は、所定ピッ
チで設けられた通しボルト31にて、既設壁2内の梁3
2に固定されている。
As the plate material 27, a structural plywood (for example, a thickness of 15 mm) is used. The frame 25 is made of wood having a square cross section (for example, 105 × 240), and the joist 26 is made of wood having a square cross section (for example, 45 × 90). The frame 25 on the existing wall 2 is connected to the beam 3 in the existing wall 2 by through bolts 31 provided at a predetermined pitch.
It is fixed to 2.

【0029】上部壁8は、交差耐力壁5及び平行耐力壁
6の上面に、接合金物(図示せず)を介して補強接合さ
れている。
The upper wall 8 is reinforced and joined to the upper surfaces of the cross bearing wall 5 and the parallel bearing wall 6 via metal fittings (not shown).

【0030】これによって、交差耐力壁5、平行耐力壁
6、上部壁8は構造的に一体で、既設壁2に連結固定さ
れることとなる。
As a result, the cross bearing wall 5, the parallel bearing wall 6, and the upper wall 8 are structurally integrated and fixedly connected to the existing wall 2.

【0031】なお、床面29の上部には、バルコニー2
8の壁面を構成するサイディング33及び笠木34、手
摺を構成する木材(例えば90×90)35が設けられ
ている。
The balcony 2 is located above the floor 29.
8 are provided with a siding 33 and a shade 34 forming a wall surface, and wood (for example, 90 × 90) 35 forming a handrail.

【0032】次に、上記構成による建築物の耐震補強構
造の作用を、その計算例と合わせて、説明する。
Next, the operation of the seismic retrofitting structure for a building having the above configuration will be described together with a calculation example.

【0033】図7は補強前の平面プランの一例を示した
平面図である。
FIG. 7 is a plan view showing an example of a plan before reinforcement.

【0034】まず、この平面プランで、最も構造的に厳
しい1階部分のX方向について、必要な耐力壁の壁量の
チェックを行う。
First, in this plane plan, the necessary amount of the load-bearing wall is checked in the X direction of the first floor portion, which is the most structurally strict.

【0035】必要壁量(水平方向長さ)は、平面の床面
積に地震係数を乗じて求められる。よって、床面積10
8.06m2 ×地震係数33で、必要壁量長さ3566
cmが求められる。
The required wall amount (horizontal length) is obtained by multiplying the floor area of the plane by the earthquake coefficient. Therefore, floor area 10
8.06m 2 × 33 earthquake coefficient, required wall length 3566
cm is required.

【0036】既存建物の耐力壁(図中、三角マークにて
示す)の内、X方向の存在壁量(水平方向長さ)を表1
に示す。なお、表1に示す壁倍率は、耐力壁の強度に応
じて設定されている。
Table 1 shows the amount of existing walls (length in the horizontal direction) in the X direction among the bearing walls (indicated by triangles in the figure) of the existing building.
Shown in In addition, the wall magnification shown in Table 1 is set according to the strength of the load-bearing wall.

【0037】[0037]

【表1】 [Table 1]

【0038】表1に示すように、存在壁量は、2821
cmとなり、必要壁量の3566cmには足りず、補強
が必要であることが分かる。
As shown in Table 1, the amount of existing wall was 2821
cm, which is less than the required wall amount of 3566 cm, and it is understood that reinforcement is required.

【0039】これと併せて、耐力壁の配置についてのチ
ェックを行う。
At the same time, the arrangement of the bearing wall is checked.

【0040】耐力壁の配置のチェックは、平面を両側1
/4と中央1/2の3つに分割して、両側1/4それぞ
れで、床面積から計算される必要壁量に対する存在壁量
の割合を計算して行う。
To check the arrangement of the load-bearing walls, the plane should be
The ratio is calculated by dividing the ratio of the existing wall amount to the required wall amount calculated from the floor area at each of the quarters on both sides by dividing into and 中央.

【0041】[0041]

【表2】 [Table 2]

【0042】表2に示すように、北側1/4は、必要壁
量841cmに対して存在壁量1365cmで、壁量充
足率1.62となる。
As shown in Table 2, the northern quarter has a required wall amount of 841 cm, an existing wall amount of 1365 cm, and a wall amount satisfying rate of 1.62.

【0043】一方、南側1/4は、必要壁量909cm
に対して存在壁量728cmで、壁量充足率0.80と
なる。
On the other hand, the south quarter has a required wall amount of 909 cm.
Is 728 cm, and the wall filling ratio is 0.80.

【0044】ここで、壁量充足率が両側とも1を越えて
いれば問題ないが、南側1/4の壁量充足率が1を越え
ていないので、壁率比の計算を行う。
There is no problem if the wall sufficiency rate exceeds 1 on both sides. However, since the wall sufficiency rate on the south quarter does not exceed 1, the wall rate ratio is calculated.

【0045】壁率比は、壁量充足率(小さい方の数値)
/壁量充足率(大きい方の数値)で示され、0.80/
1.62で0.49となり、0.5より小さく、耐力壁
の配置が偏っており、条件を満たしていない。
The wall ratio is the wall filling ratio (small numerical value).
/ Wall volume satisfaction rate (larger numerical value), 0.80 /
1.62 was 0.49, which was smaller than 0.5, and the arrangement of the load-bearing walls was uneven, and did not satisfy the conditions.

【0046】これからも、補強が必要であることが分か
る。
From this, it can be seen that reinforcement is necessary.

【0047】そこで、図8の補強後の平面プランの一例
を示した平面図に示すように、南側に本発明に係る建築
物の耐震補強構造を設ける。
Therefore, as shown in a plan view showing an example of the reinforced plan in FIG. 8, a seismic reinforcement structure for a building according to the present invention is provided on the south side.

【0048】以下、補強後の平面プランでの、耐力壁の
壁量のチェックを行う。
In the following, the amount of the load-bearing wall in the plan after reinforcement is checked.

【0049】本発明によれば、平行耐力壁6を一体的に
既設壁2に設けたことによって、既存の木造住宅1の耐
力壁として見なすことができる。
According to the present invention, since the parallel bearing wall 6 is integrally provided on the existing wall 2, it can be regarded as a bearing wall of the existing wooden house 1.

【0050】[0050]

【表3】 [Table 3]

【0051】存在壁量(水平方向長さ)は表3に示すよ
うに、3731cmとなり、必要壁量の3566cmを
越えて、条件を満たすことができる。
As shown in Table 3, the amount of existing walls (length in the horizontal direction) is 3731 cm, which exceeds the required wall amount of 3566 cm, and can satisfy the conditions.

【0052】これと併せて、耐力壁の配置についてのチ
ェックを行う。
At the same time, a check is made on the arrangement of the load-bearing walls.

【0053】[0053]

【表4】 [Table 4]

【0054】平行耐力壁6を設けたことによって、表4
に示すように、南側1/4は、必要壁量909cmに対
して存在壁量1638cmとなり、壁量充足率1.80
となる。
By providing the parallel bearing wall 6, Table 4
As shown in the figure, on the south side, the existing wall amount is 1638 cm with respect to the required wall amount of 909 cm, and the wall amount filling rate is 1.80
Becomes

【0055】これによって、壁量充足率が両側とも1を
越えることとなり、条件を満たすことができる。
As a result, the wall sufficiency rate exceeds 1 on both sides, and the condition can be satisfied.

【0056】このように、本発明によれば、上述の条件
に応じて、平行耐力壁6の水平方向長さを設定すること
によって、耐震補強を適宜行うことができる。その水平
長さは、設計モジュールに合わせて決定するか、或いは
平行耐力壁6間の開放部分の距離を大きくとるために必
要最低長さに合わせるかのいずれかが選択される。
As described above, according to the present invention, by setting the horizontal length of the parallel bearing wall 6 in accordance with the above-described conditions, it is possible to appropriately perform earthquake-resistant reinforcement. Either the horizontal length is determined according to the design module or the horizontal length is selected to be the minimum length necessary to increase the distance between the parallel bearing walls 6 at the open portion.

【0057】また、交差耐力壁5、平行耐力壁6、上部
壁8を構造上、一体的に構成し、既設壁2に一体的に連
結固定しているので、効果的に強度の向上ができ、フレ
ーム11や斜材12のサイズを小さくすることができる
ので、設計の自由度が高まり外観を向上させることがで
きる。
Further, since the cross bearing wall 5, the parallel bearing wall 6, and the upper wall 8 are structurally integrated and integrally connected and fixed to the existing wall 2, the strength can be effectively improved. Since the size of the frame 11 and the diagonal member 12 can be reduced, the degree of freedom in design can be increased and the appearance can be improved.

【0058】さらに、斜材12を効果的に用いており、
美観を得ると同時に、構造的強度を向上させることがで
きる。斜材12を用いたことによって、南側の開口部3
に当たる太陽光の減少を極力抑制することができると共
に、通風の面においても、環境の悪化を防ぐことができ
る。
Further, the diagonal member 12 is effectively used,
At the same time as obtaining an aesthetic appearance, the structural strength can be improved. By using the diagonal material 12, the southern opening 3
In addition to reducing the amount of sunlight falling on the surface of the vehicle, the deterioration of the environment can be prevented in terms of ventilation.

【0059】また、交差耐力壁5及び平行耐力壁6をラ
チス状に形成したことによって、耐震補強を行いなが
ら、ガーデニングを行うことができ、外観をさらに向上
させることができる。
Further, since the cross bearing wall 5 and the parallel bearing wall 6 are formed in a lattice shape, gardening can be performed while seismic reinforcement is performed, and the appearance can be further improved.

【0060】なお、交差耐力壁5及び平行耐力壁6のデ
ザインは、斜材12が設けられ構造的強度を備えていれ
ば、適宜変更することが可能である。複数のデザインパ
ターンを形成しておくことも可能である。
The design of the cross bearing wall 5 and the parallel bearing wall 6 can be appropriately changed as long as the diagonal members 12 are provided and the structural strength is provided. It is also possible to form a plurality of design patterns.

【0061】また、基礎7の立上り部17の高さは、階
高から決定するようになっているので、交差耐力壁5及
び平行耐力壁6の高さを一定にすることができ、耐力壁
のパネル規格化及び工業化が可能となる。
Further, since the height of the rising portion 17 of the foundation 7 is determined from the floor height, the height of the cross bearing wall 5 and the parallel bearing wall 6 can be made constant, and the bearing wall can be fixed. Panel standardization and industrialization are possible.

【0062】さらに、本発明によれば、交差耐力壁5、
平行耐力壁6等を既設壁2の外側に固定しているので、
従来のように、内装工事をする必要がないので、工期の
短縮が図れると共に、工事費用の低減が達成される。
Further, according to the present invention, the cross bearing wall 5,
Since the parallel bearing wall 6 and the like are fixed outside the existing wall 2,
Unlike the related art, there is no need to perform interior construction, so that the construction period can be shortened and the construction cost can be reduced.

【0063】なお、本実施の形態では、上部壁8の上部
にバルコニー28が形成されているが、バルコニー28
がない形状であっても、同様の作用効果を得ることがで
きるのは勿論である。
In this embodiment, the balcony 28 is formed above the upper wall 8, but the balcony 28
It is a matter of course that the same function and effect can be obtained even if the shape does not have any.

【0064】また、交差耐力壁5及び平行耐力壁6は互
いに端部同士で接続されているが、これに限られるもの
ではなく、互いに中間部同士等で接続するものであって
もよいのは勿論である。
Although the cross bearing wall 5 and the parallel bearing wall 6 are connected to each other at their ends, the invention is not limited to this, and they may be connected to each other at their intermediate portions. Of course.

【0065】さらに、本実施の形態では、交差耐力壁5
及び平行耐力壁6をそれぞれ二か所に形成しているが、
平行耐力壁6の必要面積が確保できていれば、一か所或
いは三か所以上であってもよい。
Further, in this embodiment, the cross bearing wall 5
And the parallel bearing wall 6 are formed in two places, respectively.
One or three or more places may be used as long as the required area of the parallel bearing wall 6 can be secured.

【0066】[0066]

【発明の効果】以上要するに本発明によれば、美観を備
えつつ耐震補強を行うことができるという優れた効果を
発揮する。
As described above, according to the present invention, an excellent effect that seismic reinforcement can be performed while maintaining aesthetic appearance is exhibited.

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

【図1】本発明に係る建築物の耐震補強構造の好適な実
施の形態を示した斜視図である。
FIG. 1 is a perspective view showing a preferred embodiment of an earthquake-resistant reinforcement structure for a building according to the present invention.

【図2】本発明に係る建築物の耐震補強構造の好適な実
施の形態を示した平面図である。
FIG. 2 is a plan view showing a preferred embodiment of an earthquake-resistant reinforcement structure for a building according to the present invention.

【図3】本発明に係る建築物の耐震補強構造の好適な実
施の形態を示した正面図である。
FIG. 3 is a front view showing a preferred embodiment of an earthquake-resistant reinforcement structure for a building according to the present invention.

【図4】図2のA−A線断面図である。FIG. 4 is a sectional view taken along line AA of FIG. 2;

【図5】図2のB−B線断面図である。FIG. 5 is a sectional view taken along line BB of FIG. 2;

【図6】本発明に係る建築物の耐震補強構造の好適な実
施の形態を示した側面図である。
FIG. 6 is a side view showing a preferred embodiment of an earthquake-resistant reinforcement structure for a building according to the present invention.

【図7】補強前の平面プランの一例を示した平面図であ
る。
FIG. 7 is a plan view showing an example of a plan before reinforcement.

【図8】補強後の平面プランの一例を示した平面図であ
る。
FIG. 8 is a plan view showing an example of a plan after reinforcement.

【符号の説明】[Explanation of symbols]

1 木造住宅 2 既設壁 3 開口部 5 交差耐力壁 6 平行耐力壁 7 基礎 8 上部壁 11 フレーム 12 斜材 28 バルコニー 29 床面 DESCRIPTION OF SYMBOLS 1 Wooden house 2 Existing wall 3 Opening 5 Cross bearing wall 6 Parallel bearing wall 7 Foundation 8 Upper wall 11 Frame 12 Diagonal material 28 Balcony 29 Floor surface

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 既存の木造住宅の耐震強度を補強する耐
震補強構造において、開口部が多く耐力壁が少ない既設
壁の外側面に、一端部が固定され他端部が交差方向に所
定長さ延出されると共に上端部が上記開口部の上縁より
上方に位置され且つ基端部が基礎等に支持された交差耐
力壁と、この交差耐力壁に接続され上記既設壁に平行に
所定長さ延出されると共に上端部が上記交差耐力壁と同
様の高さで且つ基端部が基礎等に支持された平行耐力壁
と、この平行耐力壁と上記交差耐力壁と上記既設壁の外
側面とを互いに結んで掛け渡された上部壁とを備えたこ
とを特徴とする建築物の耐震補強構造。
1. A seismic retrofit structure for reinforcing the seismic strength of an existing wooden house, wherein one end is fixed to the outer surface of an existing wall having a large number of openings and a small number of load-bearing walls, and the other end has a predetermined length in a cross direction. A cross-bearing wall that is extended and whose upper end is located above the upper edge of the opening and whose base end is supported by a foundation or the like; a predetermined length connected to the cross-bearing wall and parallel to the existing wall; A parallel load-bearing wall that is extended and whose upper end is at the same height as the cross-bearing wall and whose base end is supported by a foundation, etc .; The building is provided with an upper wall that is tied to each other and hangs over each other.
【請求項2】 上記交差耐力壁及び平行耐力壁が、上記
既設壁の開口部の両側位置にそれぞれ設けられ、且つ各
平行耐力壁間が開放されるように間隔をあけて配置され
た請求項1記載の建築物の耐震補強構造。
2. The cross bearing wall and the parallel bearing wall are provided on both sides of an opening of the existing wall, respectively, and are arranged so as to open between the parallel bearing walls. 1. The seismic retrofit structure of the building according to 1.
【請求項3】 上記交差耐力壁及び平行耐力壁が、その
外周を囲むフレームに、そのフレームを補強する斜材が
設けられてなる請求項1または2いずれかに記載の建築
物の耐震補強構造。
3. The structure according to claim 1, wherein the cross bearing wall and the parallel bearing wall are provided on a frame surrounding the outer periphery thereof with a diagonal member for reinforcing the frame. .
【請求項4】 上記上部壁が、その上部に形成されるバ
ルコニーの床面を構成する請求項1から3いずれかに記
載の建築物の耐震補強構造。
4. The aseismic reinforcement structure for a building according to claim 1, wherein the upper wall forms a floor surface of a balcony formed on the upper wall.
JP2001070578A 2001-03-13 2001-03-13 Earthquake resisting reinforced structure of building Pending JP2002276163A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001070578A JP2002276163A (en) 2001-03-13 2001-03-13 Earthquake resisting reinforced structure of building

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001070578A JP2002276163A (en) 2001-03-13 2001-03-13 Earthquake resisting reinforced structure of building

Publications (1)

Publication Number Publication Date
JP2002276163A true JP2002276163A (en) 2002-09-25

Family

ID=18928426

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001070578A Pending JP2002276163A (en) 2001-03-13 2001-03-13 Earthquake resisting reinforced structure of building

Country Status (1)

Country Link
JP (1) JP2002276163A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007077601A (en) * 2005-09-12 2007-03-29 Misawa Homes Co Ltd Installation structure of vibration control panel
JP2015014169A (en) * 2013-07-08 2015-01-22 史 安麗 Opening reinforcement structure
JP2016031000A (en) * 2014-07-30 2016-03-07 史 安麗 Building reinforcement structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007077601A (en) * 2005-09-12 2007-03-29 Misawa Homes Co Ltd Installation structure of vibration control panel
JP2015014169A (en) * 2013-07-08 2015-01-22 史 安麗 Opening reinforcement structure
JP2016031000A (en) * 2014-07-30 2016-03-07 史 安麗 Building reinforcement structure

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