JP4624602B2 - Reinforcing bracket for building - Google Patents
Reinforcing bracket for building Download PDFInfo
- Publication number
- JP4624602B2 JP4624602B2 JP2001182408A JP2001182408A JP4624602B2 JP 4624602 B2 JP4624602 B2 JP 4624602B2 JP 2001182408 A JP2001182408 A JP 2001182408A JP 2001182408 A JP2001182408 A JP 2001182408A JP 4624602 B2 JP4624602 B2 JP 4624602B2
- Authority
- JP
- Japan
- Prior art keywords
- metal fitting
- building
- reinforcing
- building structure
- bent
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/14—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against other dangerous influences, e.g. tornadoes, floods
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、地震、台風等により木造建築物に強度の振動が負荷されても崩壊しないように、直交差して接続される建築構造材の接合部に取付けて、この接合部を弾発的に補強することを目的とする建築用補強金具に関する。
【0002】
【従来の技術】
従来、木造建築物の構造材の接合部を補強する方法としては、筋かいや火打梁を設けたり、かすがい、L型金具を取付けるなど種々の方法が採用されている。
しかし、これら補強具では、地震、台風等により強度の振動が負荷された場合に、建築構造材の接合部における振動を吸収する緩衝能力が不足しがちになるために、建築構造材から補強具が離脱したり、補強具が破損してしまう等のトラブルを招き、酷い場合にはこれが原因で木造建築物が倒壊してしまうこともある。
【0003】
そこで、地震、台風等による強度の振動に耐え得るものとして、図6に斜視図で示すような補強金具61が考案され、使用されている。
この補強金具61は、高張力鋼よりなる板材をL字状に折曲すると共に、両片部621,622の各々の中間部に外側に折曲した折曲膨出部621a,622aを各々形成したL形基材62を設け、このL形基材62の折曲角部623に高張力鋼よりなる板材を折曲した補強部材63を溶接により固着し、上記L形基材62の四ヶ所に吸震ゴム等よりなる緩衝部材64を係着したものである。
【0004】
これによれば、L形基材62全体及びその折曲膨出部621a,622aにより、垂直、水平両方向の振動がある程度吸収されるが、木造建築物に強い振動が負荷された場合に、変形したL形基材62を復元させるには不十分であり、建築構造材相互の接合部で破損する虞れがある。
【0005】
【発明が解決しようとする課題】
即ち、上述の如く、補強金具61は、両片部621,622の中間部を外側に折曲して平坦な折曲膨出部621a,622aを形成してあるだけなので、垂直方向の振動、鉛直回りの揺動を吸収したり、L形基材62の変形を復元させる等の作用効果が不十分であると共に、L形基材62に補強部材63を溶接して、L形基材62の折曲角部623と補強部材63の折曲角部631との間が固着されているために、弾性変形量が少なくなって、補強部材63に直接的に過大な集中負荷が加わることとなり、締結用のボルトが飛んだり補強部材63に亀裂が生じたりするという問題があった。
【0006】
本発明は、かかる問題点を解決すべく為されたものであって、垂直方向や水平方向の振動、鉛直回りの揺動を吸収して、地震、台風等により木造建築物に強度の振動が負荷されても崩壊しないように、直交差する建築構造材の双方に跨がって弾発的に補強する補強金具を固着して、耐震性能を一層向上させるようにした建築用補強金具を提供することを目的とする。
【0007】
【課題を解決するための手段】
本発明の要旨は、直交差する建築構造材同士を接合する補強金具であって、L字状に折曲した等辺山形鋼の折曲部で、外側に膨出する緩衝湾曲部が形成された第一金具と、当該第一金具の両端部に固着する固定部が両端に備わり、中間中央部に緩衝湾曲部が形成された第二金具とから構成され、前記第一金具の両端部と第二金具の両固定部を、直交する建築構造材の双方に固着して、建築構造材の接合部を弾発的に補強するものであることを特徴とする建築用補強金具である。
【0008】
【発明の実施の形態】
以下、本発明の建築用補強金具の好適な実施形態について、図面に基づき具体的に説明する。
図1は本発明の建築用補強金具を示す斜視図、図2は本発明で用いる第一金具を示す側面図、図3は本発明で用いる第二金具の一例を示す側面図、図4は本発明で用いる第二金具の他例を示す側面図、図5は本発明の使用状態を示す側面図である。
【0009】
本発明は、図示したように、直交差する建築構造材A,A′同士を接合する高張力鋼よりなる補強金具1であって、L字状に折曲した等辺山形鋼11の折曲部111で、外側に膨出する緩衝湾曲部112が形成された第一金具11−1と、この第一金具11−1の両端部113,113に固着する固定部121が両端に備わり、中間中央部に緩衝湾曲部124が形成された第二金具11−2とから構成され、上記第一金具11−1の両端部113,113と第二金具11−2の両固定部121,121を、直交する建築構造材A,A′の双方に固着して、建築構造材AとA′の接合部を弾発的に補強するものであることを特徴とする。
【0010】
また、上記第二金具11−2の中間部を外側又は内側に緩かに湾曲させて円弧部123を形成すると共に、中間中央部を内側又は外側に膨出させて緩衝湾曲部124を形成してなることを特徴とする。
【0011】
本発明により、高張力鋼よりなるバネ弾性を有する第一金具11−1と第二金具11−2からなる組合せ金具を建築構造材AとA′に跨がる接合部に適用すれば、第一金具11−1の折曲部111で外側に膨出する緩衝湾曲部112や、第二金具11−2に形成した円弧部123及び緩衝湾曲部124による相乗効果で、地震や台風等により木造建築物に垂直並びに水平方向の振動、鉛直回りの揺動が加わる等の強度の振動が負荷されても、これを吸収する緩衝効果と復元力の起生により、木造建築物の損壊を防止することができるという作用効果を奏するものである。
【0012】
【実施例】
本発明の建築用補強金具1は、第一金具11−1及び第二金具11−2を組合わせて構成し、何れもその材質は、低炭素鋼に、マンガン、珪素、ニッケル、クロム、モリブデン等の合金元素を適当に組合わせて少量添加したものからなり、通常、引っ張り強度50kg/mm2 以上、降伏点30kg/mm2 以上で、溶接性、加工性、靭性、耐蝕性等の点で優れた高張力鋼が好適に使用される。
【0013】
そして、上記第一金具11−1は、図1、図2に示すように、L字状に90゜折曲した等辺山形鋼11の折曲部111に、折曲基端部が開口して外側へ膨出するように緩衝湾曲部112が形成される。
そして、第一金具11−1の両端部113,113には固定孔114,114が各々穿設されている。また、折曲部111の近傍にも固定孔114,114を穿設しておけば、補強金具1の建築構造材A,A′への固着が一層確実になるので好ましい。
【0014】
上記第一金具11−1に組合せ取付ける第二金具11−2は、その両端に固定部121,121を備え、この固定部121,121に固定孔122が各々穿設されている。
そして、図3に示すように、第二金具11−2は、その中間部を外側に緩かに湾曲させて円弧部123を形成すると共に、中間中央部を内側に向けて略Ω状に膨出させた緩衝湾曲部124が形成される。
或いは、図4に示すように、中間部を内側に緩かに湾曲させて円弧部123を形成すると共に、中間中央部を外側に向け略Ω状に膨出させた緩衝湾曲部124が形成される。
【0015】
本発明は、上記第一金具11−1の端部113に、第二金具11−2の固定部121を各々重ね合せ、この重ね合せ箇所を溶接やねじ締結手段により固着して、予め一体に組合せたものを建築構造材A,A′の取付け施工に供するものであるが、先に、第一金具11−1のみを建築構造材A,A′に固着し、しかるのち、これに第二金具11−2を重ね合せて固着するようにしてもよい。後者の場合には、第一金具11−1の端部113に穿設する固定孔114は、第一金具11−1を建築構造材A,A′に先付け固着するための固定孔114と、第二金具11−2を重ね合せたのちに固着する固定孔114とを別々に形成しておく必要がある。
【0016】
本発明を建築構造材A,A′に取付けるには、図5に示すように、柱等の建築構造材Aと梁、桁等の建築構造材A′との交差接合部に合せて、第一金具11−1と第二金具11−2とからなる補強金具1の第一金具11−1側を当てがい、固定金具2を用いて、両金具11−1,11−2の両端部を建築構造材A,A′に簡単に固着することができる。
なお、補強金具1を組合せ一体化しないでおいて、先に、第一金具11−1のみを建築構造材A,A′に固着し、しかるのち第二金具11−2を重ね合せて固着することもできる。即ち、補強金具1を建築構造材A,A′に固着すると同時に、第一金具11−1と第二金具11−2とが固着して一体化されるものである。
【0017】
上記本発明で、高張力鋼よりなるバネ弾性を有する第一金具と第二金具からなる組合せ金具を、柱等の建築構造材と梁、桁等の建築構造材に跨がる接合部に取付けることにより、第一金具の折曲部に形成した緩衝湾曲部や、第二金具に形成した円弧部及び緩衝湾曲部による相乗効果で、木造建築物に、地震や台風等によって垂直並びに水平方向の振動、鉛直回りの揺動が加わる等の強度の振動が負荷されても、これを吸収する緩衝効果と弾発復元力が起生し、拠って木造建築物の損壊が防止されるという作用効果を奏するものである。
【図面の簡単な説明】
【図1】本発明の建築用補強金具を示す斜視図である。
【図2】本発明で用いる第一金具を示す側面図である。
【図3】本発明で用いる第二金具の一例を示す側面図である。
【図4】本発明で用いる第二金具の他例を示す側面図である。
【図5】本発明の使用状態を示す側面図である。
【図6】従来例を示す斜視図である。
【符号の説明】
1 建築用補強金具
11−1 第一金具
11 等辺山形鋼
111 折曲部
112 緩衝湾曲部
113 端部
114 固定孔
11−2 第二金具
12 鋼板材
121 固定部
122 固定孔
123 円弧部
124 緩衝湾曲部
2 固定金具
A 建築構造材(柱等)
A′ 建築構造材(梁、桁等)[0001]
BACKGROUND OF THE INVENTION
The present invention attaches to a joint part of a building structure material connected at a right angle so that it does not collapse even if strong vibration is applied to a wooden building due to an earthquake, a typhoon, etc. The present invention relates to a reinforcing metal fitting for building intended to be reinforced.
[0002]
[Prior art]
Conventionally, as a method of reinforcing a joint portion of a structural member of a wooden building, various methods such as providing a brace or a fire beam, wiping, and attaching an L-shaped metal fitting have been adopted.
However, these reinforcing tools tend to have insufficient buffering capacity to absorb vibrations at the joints of building structural materials when strong vibrations are applied due to earthquakes, typhoons, etc. May cause troubles such as detachment or damage to the reinforcing tool. In severe cases, this may cause the wooden building to collapse.
[0003]
Accordingly, a reinforcing metal fitting 61 as shown in a perspective view in FIG. 6 has been devised and used as one that can withstand strong vibrations such as earthquakes and typhoons.
The reinforcing metal fitting 61 bends a plate made of high-strength steel into an L shape, and forms
[0004]
According to this, vibrations in both the vertical and horizontal directions are absorbed to some extent by the entire L-
[0005]
[Problems to be solved by the invention]
That is, as described above, the reinforcing
[0006]
The present invention has been made to solve such problems, and absorbs vibrations in the vertical direction and horizontal direction, and swings in the vertical direction, and strong vibration is applied to the wooden building due to earthquakes, typhoons, and the like. Providing building reinforcement brackets that further improve seismic performance by fixing reinforcement brackets that elastically reinforce across both of the building structure materials orthogonal to each other so that they do not collapse even when loaded The purpose is to do.
[0007]
[Means for Solving the Problems]
The gist of the present invention is a reinforcing metal fitting for joining building structural materials orthogonal to each other, and is a bent portion of an equilateral mountain-shaped steel bent in an L shape, and a buffer curved portion bulging outward is formed. The first metal fitting and a second metal fitting provided at both ends with fixing portions fixed to both ends of the first metal fitting and having a buffer curved portion formed in the middle central portion, A construction reinforcing metal fitting characterized in that both fixing portions of two metal fittings are fixed to both orthogonal building structural materials to reinforce the joints of the building structural materials.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the reinforcing metal fitting for building of the present invention will be specifically described with reference to the drawings.
FIG. 1 is a perspective view showing a reinforcing metal fitting for building of the present invention, FIG. 2 is a side view showing a first metal fitting used in the present invention, FIG. 3 is a side view showing an example of a second metal fitting used in the present invention, and FIG. The side view which shows the other example of the 2nd metal fitting used by this invention, FIG. 5 is a side view which shows the use condition of this invention.
[0009]
As shown in the figure, the present invention is a reinforcing metal fitting 1 made of high-tensile steel that joins building structure materials A and A ′ that are orthogonal to each other, and is a bent portion of an equilateral mountain-
[0010]
Further, the
[0011]
According to the present invention, if the combination fitting made of the first metal fitting 11-1 and the second metal fitting 11-2 made of high-tensile steel and having spring elasticity is applied to the joint portion extending over the building structural materials A and A ′, Due to the synergistic effect of the
[0012]
【Example】
The construction reinforcing metal fitting 1 of the present invention is configured by combining the first metal fitting 11-1 and the second metal fitting 11-2, all of which are made of low carbon steel, manganese, silicon, nickel, chromium, molybdenum. It consists of a suitable combination of alloying elements such as, usually with a tensile strength of 50 kg / mm2 or more and a yield point of 30 kg / mm2 or more, and is excellent in terms of weldability, workability, toughness, corrosion resistance, etc. High strength steel is preferably used.
[0013]
As shown in FIGS. 1 and 2, the first metal fitting 11-1 has a bent base end portion opened to a
And the
[0014]
The second metal fitting 11-2 to be attached to the first metal fitting 11-1 in combination is provided with
Then, as shown in FIG. 3, the second metal fitting 11-2 has its middle portion gently curved outward to form an
Alternatively, as shown in FIG. 4, the
[0015]
In the present invention, the
[0016]
In order to attach the present invention to the building structural materials A and A ′, as shown in FIG. 5, the construction structure materials A such as pillars and the building structural materials A ′ such as beams and girders are cross-joined. The first metal fitting 11-1 side of the reinforcing metal fitting 1 comprising the one metal fitting 11-1 and the second metal fitting 11-2 is applied, and both ends of both the metal fittings 11-1, 11-2 are attached using the fixing
In addition, without combining and integrating the reinforcing metal fittings 1, only the first metal fitting 11-1 is first fixed to the building structure materials A and A ', and then the second metal fitting 11-2 is overlapped and fixed. You can also. That is, the first metal fitting 11-1 and the second metal fitting 11-2 are fixed and integrated at the same time as the reinforcing metal fitting 1 is fixed to the building structural materials A and A ′.
[0017]
In the present invention, the first and second metal fittings having spring elasticity made of high-strength steel are attached to the joint straddling the building structure material such as a pillar and the building structure material such as a beam and a girder. By the synergistic effect of the buffer bending part formed in the bent part of the first metal fitting, the arc part and the buffer bending part formed in the second metal fitting, the wooden building is vertically and horizontally affected by an earthquake, typhoon, etc. Even if a vibration with a high strength such as vibration or vertical swing is applied, a buffering effect and a resilient restoring force are generated to absorb this, thereby preventing damage to the wooden building. It plays.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a structural reinforcing bracket of the present invention.
FIG. 2 is a side view showing a first metal fitting used in the present invention.
FIG. 3 is a side view showing an example of a second metal fitting used in the present invention.
FIG. 4 is a side view showing another example of the second metal fitting used in the present invention.
FIG. 5 is a side view showing a use state of the present invention.
FIG. 6 is a perspective view showing a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Reinforcement metal fitting 11-1 1st metal fitting 11 Equilateral mountain-shaped
A 'Building construction materials (beams, girders, etc.)
Claims (2)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001182408A JP4624602B2 (en) | 2001-06-15 | 2001-06-15 | Reinforcing bracket for building |
KR1020010069697A KR20020096822A (en) | 2001-06-15 | 2001-11-09 | Reinforcing attachment for construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001182408A JP4624602B2 (en) | 2001-06-15 | 2001-06-15 | Reinforcing bracket for building |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2002371632A JP2002371632A (en) | 2002-12-26 |
JP4624602B2 true JP4624602B2 (en) | 2011-02-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001182408A Expired - Lifetime JP4624602B2 (en) | 2001-06-15 | 2001-06-15 | Reinforcing bracket for building |
Country Status (2)
Country | Link |
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JP (1) | JP4624602B2 (en) |
KR (1) | KR20020096822A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4609628B2 (en) * | 2004-03-17 | 2011-01-12 | 巌 柳瀬 | Seismic shock absorber and seismic joint device using the same |
JP2007239416A (en) * | 2006-03-13 | 2007-09-20 | Mokken Giken Kk | Vibration control member which is built in building |
KR101029009B1 (en) * | 2009-12-24 | 2011-04-12 | (주)비온디 | A reinforcement armature for a building constructure and a earthquake resistent process with it |
KR101046159B1 (en) * | 2010-03-22 | 2011-07-05 | 장은환 | Method for enhancing load bearing capacity and resistance to earthquake of a corner by using a strengthening material for box shaped figures |
KR101306055B1 (en) * | 2013-05-13 | 2013-09-09 | 정원용 | Reinforcing structure and method of corner of structure |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4925142Y1 (en) * | 1968-02-19 | 1974-07-06 | ||
JPH07324386A (en) * | 1994-06-01 | 1995-12-12 | Fukui Giyomou Kk | Method for connecting joint part of fiber-reinforced columnar member, and connecting auxiliary member |
JPH1150535A (en) * | 1997-07-31 | 1999-02-23 | Masami Tanimura | Reinforcing tool for construction |
JPH11148180A (en) * | 1997-11-14 | 1999-06-02 | Kiyoshi Sawai | Joint method of boilding structure and metal fitting |
-
2001
- 2001-06-15 JP JP2001182408A patent/JP4624602B2/en not_active Expired - Lifetime
- 2001-11-09 KR KR1020010069697A patent/KR20020096822A/en not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4925142Y1 (en) * | 1968-02-19 | 1974-07-06 | ||
JPH07324386A (en) * | 1994-06-01 | 1995-12-12 | Fukui Giyomou Kk | Method for connecting joint part of fiber-reinforced columnar member, and connecting auxiliary member |
JPH1150535A (en) * | 1997-07-31 | 1999-02-23 | Masami Tanimura | Reinforcing tool for construction |
JPH11148180A (en) * | 1997-11-14 | 1999-06-02 | Kiyoshi Sawai | Joint method of boilding structure and metal fitting |
Also Published As
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KR20020096822A (en) | 2002-12-31 |
JP2002371632A (en) | 2002-12-26 |
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