JP2006312859A - Aseismatic reinforcing structure and aseismatic reinforcing method for existing building - Google Patents

Aseismatic reinforcing structure and aseismatic reinforcing method for existing building Download PDF

Info

Publication number
JP2006312859A
JP2006312859A JP2005185111A JP2005185111A JP2006312859A JP 2006312859 A JP2006312859 A JP 2006312859A JP 2005185111 A JP2005185111 A JP 2005185111A JP 2005185111 A JP2005185111 A JP 2005185111A JP 2006312859 A JP2006312859 A JP 2006312859A
Authority
JP
Japan
Prior art keywords
steel
reinforcing
existing building
building
column
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
Application number
JP2005185111A
Other languages
Japanese (ja)
Other versions
JP4587386B2 (en
Inventor
Hiroshi Kuramoto
Takashi Taguchi
洋 倉本
孝 田口
Original Assignee
Toyohashi Univ Of Technology
Yahagi Construction Co Ltd
国立大学法人豊橋技術科学大学
矢作建設工業株式会社
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
Priority to JP2005109311 priority Critical
Application filed by Toyohashi Univ Of Technology, Yahagi Construction Co Ltd, 国立大学法人豊橋技術科学大学, 矢作建設工業株式会社 filed Critical Toyohashi Univ Of Technology
Priority to JP2005185111A priority patent/JP4587386B2/en
Publication of JP2006312859A publication Critical patent/JP2006312859A/en
Application granted granted Critical
Publication of JP4587386B2 publication Critical patent/JP4587386B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements

Abstract

<P>PROBLEM TO BE SOLVED: To provide an aseismatic reinforcing structure and an aseismatic reinforcing method for an existing building allowing construction only from the outside of the building and having excellent seismic resistance without using reinforcements and interposed reinforcing bodies (bracing members). <P>SOLUTION: In the aseismatic reinforcing structure of the existing building, a column body 12 or a beam body 14 located at the external wall surface of the existing building is provided with anchor bolts 18. Reinforcing shape steel 20 is fixed to the anchor bolts 18 and disposed at the column body 12 or beam body 14. Fiber reinforced concrete 28 is placed to surround the anchor bolts 18 and the reinforcing shape steel 20, and a steel frame concrete composite structural member comprising the reinforcing shape steel 20 and fiber reinforced concrete 28 is integrally provided at the external wall surface of the existing building. When the building strong against an earthquake is demanded, the reinforced part is provided with a bracing type or stud type seismic control member. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、既設建物の耐震補強構造及び耐震補強工法に関し、更に詳しくは、鉄骨コンクリート合成構造部材を用いた既設建物の耐震補強構造及び耐震補強工法に関するものである。   The present invention relates to a seismic reinforcing structure and a seismic reinforcing method for an existing building, and more particularly to an seismic reinforcing structure and a seismic reinforcing method for an existing building using a steel-concrete composite structural member.
従来、既設建物の耐震補強工法としては、既設建物の左右の柱体の対向内面部と上下の梁体の対向内面部にそれぞれ補強体を設置して枠体とすることにより補強する鉄骨枠付ブレース工法が行われていた。   Conventionally, as a seismic reinforcement method for existing buildings, there is a steel frame that reinforces by installing reinforcement bodies on the opposing inner surfaces of the left and right columns of the existing building and the opposing inner surfaces of the upper and lower beams. The brace method was used.
しかしながら、左右の柱体及び上下の梁体の間には通常窓ガラスや出入り口用等のサッシが取り付けられているため、補強施工時にはそれらを一旦撤去し、再度取り付けるなどの作業が必要となる。この場合、その作業は建物の内部からも行うため、その建物の使用者等に不便を与えるものであった。   However, since sashes such as window glass and doorways are usually attached between the left and right column bodies and the upper and lower beam bodies, it is necessary to remove them once and reattach them at the time of reinforcement work. In this case, since the work is also performed from the inside of the building, it is inconvenient for the user of the building.
そのため、例えば特許文献1には、建物の外部からの作業で施工できる既設建物の耐震補強工法が提案されている。   Therefore, for example, Patent Document 1 proposes a seismic reinforcement method for an existing building that can be constructed by work from outside the building.
この特許文献1で示される耐震補強構造における補強体は、図4に示すように、柱体42にアンカーボルト46が打設され、そのアンカーボルト46にナット48と座板50を用いて鋼板52が取付けられ、その鋼板52の周囲にフープ筋54が配され、これらを型枠で囲ってその型枠中にコンクリート56が打設されたもの(鉄筋鉄骨コンクリート部材)からなっている。   As shown in FIG. 4, the reinforcement body in the seismic reinforcement structure disclosed in Patent Document 1 is provided with an anchor bolt 46 placed on a column body 42, and a steel plate 52 using a nut 48 and a seat plate 50 on the anchor bolt 46. And hoop bars 54 are arranged around the steel plate 52, and these are surrounded by a mold frame and concrete 56 is placed in the mold frame (a reinforced steel concrete member).
また、その耐震補強構造は、補強体40をより強固なものとするため、図5に示すように、柱体42や梁体44に取り付けられた鋼板52同士を介在補強体(筋違材)58で連結して補強したものが主となっている。   Further, the seismic reinforcement structure makes the reinforcing body 40 stronger, and therefore, as shown in FIG. 5, the steel plates 52 attached to the column bodies 42 and the beam bodies 44 are intervening reinforcing bodies (stiffeners). Mainly connected and reinforced at 58.
そして、この特許文献1では、既設建物の外壁面に位置する柱体や梁体の外側に上記補強体40を設置しているため、外部作業のみで既設建物の耐震補強ができるものとなっている。   And in this patent document 1, since the said reinforcement body 40 is installed in the outer side of the column body and beam body which are located in the outer wall surface of an existing building, it becomes what can perform the earthquake-proof reinforcement of an existing building only by external work. Yes.
しかしながら、特許文献1に示される耐震補強構造では、地震による圧縮や引張りなどの応力に対して、補強体に高い耐力や靭性などを持たせるためには、鋼板(鉄骨)にフープ筋(鉄筋)を配さなければならず、そのため、耐震補強の施工が複雑となり、工程全体として時間やコストがかかるものとなる。   However, in the seismic reinforcement structure shown in Patent Document 1, in order to give the reinforcement a high proof stress and toughness against stresses such as compression and tension caused by an earthquake, a steel sheet (steel frame) has a hoop (rebar). Therefore, the construction of the seismic reinforcement becomes complicated, and the entire process takes time and cost.
さらに、その鉄骨にはプレート状の鋼板を用いているため、補強建物の水平耐力の向上は期待できない。そのため、柱と柱、梁と梁あるいは柱と梁とを介在補強体(筋違材)などで連結して補強する必要性があった。   Furthermore, since the steel frame uses a plate-shaped steel plate, it cannot be expected to improve the horizontal strength of the reinforced building. Therefore, there has been a need to reinforce by connecting columns and columns, beams and beams, or columns and beams with intervening reinforcing bodies (struts).
特許第3051071号Japanese Patent No. 3051071
本発明が解決しようとする課題は、建物の外側からだけで施工でき、鉄筋及び介在補強体(筋違材)を用いない、耐震性に優れた既設建物の耐震補強構造及び耐震補強工法を提供することにある。   The problem to be solved by the present invention is to provide a seismic reinforcement structure and a seismic reinforcement method for an existing building that can be constructed only from the outside of the building and does not use reinforcing bars and intervening reinforcements (strengthening materials) and has excellent earthquake resistance. There is to do.
上記課題を解決するために本発明の既設建物の耐震補強構造は、請求項1に記載のように、既設建物の外壁面に位置する柱体若しくは梁体にアンカーボルトが打設されると共に、前記アンカーボルトに補強用形鋼が固定され、前記アンカーボルト及び補強用形鋼を囲むように繊維補強コンクリートが打設され、補強用形鋼−繊維補強コンクリートとからなる鉄骨コンクリート合成構造部材が前記既設建物の外壁面に一体となり、設けられていることを要旨とする。   In order to solve the above problems, the seismic reinforcement structure for an existing building according to the present invention is, as described in claim 1, with anchor bolts placed on a column or beam positioned on the outer wall surface of the existing building, A steel-concrete composite structural member made of reinforcing steel and fiber reinforced concrete is provided with reinforcing steel fixed to the anchor bolt, fiber reinforced concrete is placed so as to surround the anchor bolt and reinforcing steel. The gist is that it is integrated with the outer wall surface of the existing building.
この場合、上記既設建物の耐震補強構造において、請求項2に記載のように、上記柱体の外壁面には上記アンカーボルトを介して上記鉄骨コンクリート合成構造部材が設けられ、上記梁体の外壁面には上記アンカーボルトを介して若しくは上記アンカーボルトを介さずに上記鉄骨コンクリート合成構造部材又は在来の鉄筋コンクリート部材か鉄骨部材が設けられていることが望ましい。   In this case, in the seismic retrofit structure of the existing building, as described in claim 2, the steel-concrete composite structural member is provided on the outer wall surface of the column body via the anchor bolt, and the outside of the beam body is provided. The wall surface is preferably provided with the steel-concrete composite structural member, the conventional reinforced concrete member, or the steel member with or without the anchor bolt.
また、さらに地震に対して強い建物が要求される場合には、上記既設建物の耐震補強構造において、請求項3に記載のように、前記鉄骨コンクリート合成構造部材からなる前記柱体の補強体と前記鉄骨コンクリート合成構造部材又は前記在来の鉄筋コンクリート部材か前記鉄骨部材からなる前記梁体の補強体とで囲まれた枠体に、筋違型の制震部材を自由に設けることも可能である。   Further, when a building that is more resistant to earthquakes is required, in the seismic reinforcement structure of the existing building, as described in claim 3, the reinforcing body of the column body made of the steel-concrete composite structural member and It is also possible to freely provide a striation-type seismic damping member in a frame surrounded by the steel-concrete composite structural member or the conventional reinforced concrete member or the reinforcing body of the beam body made of the steel member. .
同様に、上記既設建物の耐震補強構造において、請求項4に記載のように、前記鉄骨コンクリート合成構造部材又は前記在来の鉄筋コンクリート部材か前記鉄骨部材からなる前記梁体の補強体間に、間柱型の制震部材を自由に設けることも可能である。   Similarly, in the seismic reinforcement structure of the existing building, as described in claim 4, between the reinforcement members of the beam body composed of the steel-concrete composite structural member or the conventional reinforced concrete member or the steel member, It is also possible to freely provide a vibration control member of the mold.
一方、本発明の既設建物の耐震補強工法は、請求項5に記載のように、既設建物の外壁面に位置する柱体若しくは梁体にアンカーボルトを打設する工程と、前記アンカーボルトに補強用形鋼を固定してこの形鋼を前記既設建物の外壁面側に配置する工程と、前記アンカーボルトと補強用形鋼とを囲むように型枠を組む工程と、前記型枠中に繊維補強コンクリートを打設する工程とからなり、補強用形鋼−繊維補強コンクリート部材(鉄骨コンクリート合成構造部材)を前記既設建物の外壁面に一体となるように設けることを要旨とする。   On the other hand, the seismic reinforcement method for an existing building according to the present invention includes a step of placing an anchor bolt on a column or a beam located on the outer wall surface of the existing building, and reinforcing the anchor bolt as described in claim 5. Fixing the structural steel and disposing the structural steel on the outer wall surface side of the existing building, assembling a mold so as to surround the anchor bolt and the reinforcing structural steel, and a fiber in the mold It consists of a step of placing reinforced concrete, and the gist is to provide a reinforcing steel-fiber reinforced concrete member (steel concrete composite structural member) so as to be integrated with the outer wall surface of the existing building.
請求項1に記載の既設建物の耐震補強構造によれば、上記繊維補強コンクリートは、コンクリート中に繊維を加えたものであり、鉄骨コンクリート合成構造とすれば鉄筋を配さなくても鉄筋鉄骨コンクリート構造と同程度の耐力、変形能力を有するため、鉄筋を用いなくても耐震補強が可能となり、施工の簡略化とコスト低減が図れる。   According to the seismic reinforcement structure of an existing building according to claim 1, the fiber reinforced concrete is obtained by adding fibers to the concrete. If a steel-concrete composite structure is used, a reinforced steel concrete can be provided without a reinforcing bar. Because it has the same strength and deformation capacity as the structure, it can be seismically reinforced without using reinforcing bars, simplifying construction and reducing costs.
また、その鉄骨は、曲げに対して強い耐力を有する形鋼であることから、従来の耐震補強構造では必要であった介在補強体(筋違材)が不要となり、柱体と梁体の補強だけで既設建物の補強を行うことができるようになる。   In addition, because the steel frame is a shape steel with a strong resistance to bending, there is no need for intervening reinforcements (stiffeners) that were necessary in conventional seismic reinforcement structures, and reinforcement of columns and beams. It will be possible to reinforce existing buildings.
さらに、上記鉄骨コンクリート合成構造部材が、アンカーボルトを介して強固に既設建物の外壁面の柱体若しくは梁体と一体化されるため、これらの補強部材が既設建物と一体となって作用し、補強建物の耐震性は向上することとなる。   Furthermore, since the steel-concrete composite structural member is firmly integrated with the column or beam of the outer wall surface of the existing building via anchor bolts, these reinforcing members act integrally with the existing building, The earthquake resistance of reinforced buildings will be improved.
そして、請求項2に記載のように、上記既設建物の耐震補強構造では、上記柱体を、上記アンカーボルトを介して上記鉄骨コンクリート合成構造部材で補強し、上記梁体は、上記アンカーボルトを介して若しくは上記アンカーボルトを介さずに上記鉄骨コンクリート合成構造部材又は在来の鉄筋コンクリート部材か鉄骨部材で補強することができるため、従来の鉄筋鉄骨コンクリート構造部材を用いる必要がなく、施工の簡略化とコスト低減が図れる。なお、上記梁体に上記鉄骨コンクリート合成構造部材を用いない場合には、よりいっそう施工の簡略化とコスト低減が図れるものとなる。   In the seismic reinforcement structure of the existing building, the column body is reinforced with the steel-concrete composite structural member via the anchor bolt, and the beam body includes the anchor bolt. Because it can be reinforced with the above-mentioned steel-concrete composite structural members or conventional reinforced concrete members or steel members without using the anchor bolts, it is not necessary to use conventional reinforced steel-concrete structural members, simplifying the construction And cost reduction. When the steel-concrete composite structural member is not used for the beam body, the construction can be further simplified and the cost can be further reduced.
また、さらに地震に強い建物が要求される場合には、請求項3に記載のように、上記既設建物の耐震補強構造において、柱体と梁体に施した補強体で囲まれた枠体に筋違型の制震部材を自由に設けることも可能であり、これにより建物の地震による振動に対する耐力を高めるだけでなく、地震による振動エネルギーを吸収して振動エネルギーを低減させるため、建物の揺れ自体を軽減して倒壊を防ぐことができる。   In addition, when a building that is more resistant to earthquakes is required, as described in claim 3, in the seismic reinforcement structure of the existing building, a frame surrounded by a reinforcing body applied to a column and a beam is used. It is also possible to freely install a striation-type damping member, which not only increases the resistance to vibration caused by earthquakes in the building, but also absorbs vibration energy from earthquakes and reduces vibration energy. It can reduce itself and prevent collapse.
同様に、請求項4に記載のように、上記既設建物の耐震補強構造において、梁体に施した補強体間に間柱型の制震部材を自由に設けることも可能であり、建物の地震による振動に対する耐力を高めるだけでなく、地震による振動エネルギーを吸収して振動エネルギーを低減させるため、建物の揺れ自体を軽減して倒壊を防ぐこともできる。   Similarly, as described in claim 4, in the seismic reinforcement structure of the existing building, it is also possible to freely provide a stud-type vibration control member between the reinforcements applied to the beam body, In addition to increasing the resistance to vibration, the vibration energy is reduced by absorbing the vibration energy caused by the earthquake, so that the building itself can be reduced to prevent collapse.
一方、請求項5に記載の既設建物の耐震補強工法によれば、既設建物の外壁面に位置する柱体若しくは梁体に上記鉄骨コンクリート合成構造部材を打設するため、建物の外側からだけで施工可能となり、その建物を使用しながら工事を進めることができ、使用者等に不便さを感じさせないものとなる。   On the other hand, according to the seismic reinforcement method for an existing building according to claim 5, since the steel-concrete composite structural member is placed on the column or beam located on the outer wall surface of the existing building, only from the outside of the building. Construction becomes possible, and the construction can be carried out while using the building, so that the user is not inconvenienced.
これによって、一般的なビルや集合住宅等の多層多スパン建物の耐震補強に用いることができるようになる。   Thus, it can be used for seismic reinforcement of multi-story multi-span buildings such as general buildings and apartment houses.
本発明の実施形態を、図1〜図3を用いて詳細に説明する。   An embodiment of the present invention will be described in detail with reference to FIGS.
図1は、本実施形態に係る既設建物の耐震補強構造の一例を示すものであり、既設建物の柱体12又は梁体14と鉄骨コンクリート合成構造部材10の断面図である。図示のように、既設柱体12又は梁体14には取付孔16が空けられており、この取付孔16にはアンカーボルト18が打設され、接着剤等を用いて固定されている。そして、このアンカーボルト18には形鋼20の挿通孔22から形鋼20が通されており、この形鋼20は、ナット24及び座板26で挟んでアンカーボルト18に固定されている。更に、そのアンカーボルト18と形鋼20とを囲むように、繊維補強コンクリート28が打設されている。   FIG. 1 shows an example of a seismic reinforcement structure for an existing building according to this embodiment, and is a cross-sectional view of a column 12 or a beam 14 and a steel-concrete composite structural member 10 of the existing building. As shown in the figure, a mounting hole 16 is formed in the existing column body 12 or the beam body 14, and an anchor bolt 18 is driven into the mounting hole 16 and fixed using an adhesive or the like. The shape steel 20 is passed through the anchor bolt 18 through the insertion hole 22 of the shape steel 20, and the shape steel 20 is fixed to the anchor bolt 18 with a nut 24 and a seat plate 26 interposed therebetween. Further, a fiber reinforced concrete 28 is placed so as to surround the anchor bolt 18 and the shaped steel 20.
上記鉄骨コンクリート合成構造部材10は、少なくとも形鋼20と繊維補強コンクリート28とを含むものからなるものである。   The steel-concrete composite structural member 10 includes at least a section steel 20 and fiber reinforced concrete 28.
上記形鋼20は、例えば、その断面形状によって分類されるH形鋼、I形鋼、溝形鋼(断面匚形)、山形鋼(断面L形)等が挙げられる。より好ましくは、H形鋼、I形鋼、溝形鋼(断面匚形)などである。これらは、引張り、曲げ、圧縮といった応力に対して高い耐力を有するものだからである。   Examples of the shape steel 20 include H-shape steel, I-shape steel, groove-shape steel (cross-section saddle shape), and angle steel (cross-section L-shape) classified according to the cross-sectional shape thereof. More preferably, they are H-shaped steel, I-shaped steel, groove-shaped steel (cross-section saddle shape) and the like. This is because they have a high yield strength against stresses such as tension, bending, and compression.
一方、プレート状の鋼板は、引張り耐力は高いものの、曲げ耐力が低いことからあまり好ましくない。   On the other hand, a plate-shaped steel plate is not preferable because it has high tensile strength but low bending strength.
本実施形態においては、上記形鋼を鉄骨材料として用いていることから、補強体は、外壁面に対して平行方向の曲げ耐力、水平耐力が向上するため、従来の耐震補強工法において水平耐力を高めるために必要であった介在補強体(筋違材)を用いる必要がなくなり、柱体と梁体の補強だけで既設建物の補強を行うことができるようになる。   In the present embodiment, since the shape steel is used as a steel frame material, the reinforcement body has improved bending strength in the direction parallel to the outer wall surface and horizontal strength. Therefore, the horizontal strength is improved in the conventional seismic reinforcement method. It is no longer necessary to use intervening reinforcing bodies (stiffeners) that were necessary to increase the height, and the existing building can be reinforced only by reinforcing the pillars and beams.
上記繊維補強コンクリート28に加えられる繊維は、ビニロンファイバー、ステンレスファイバー等が好ましい。   The fiber added to the fiber reinforced concrete 28 is preferably vinylon fiber, stainless fiber or the like.
上記ビニロンファイバーやステンレスファイバーなどの繊維をコンクリートに加え、鉄骨コンクリート合成構造とすることによって、鉄筋鉄骨コンクリート構造と同程度の耐力、変形能力を有するようになる。それによって、鉄筋を用いない鉄骨コンクリートで耐震補強が可能となり、施工の簡略化とコスト低減が図れることとなる。   By adding fibers such as vinylon fiber and stainless fiber to the concrete to form a steel-concrete composite structure, the steel has a proof strength and deformation capacity comparable to those of a reinforced steel-concrete structure. As a result, seismic reinforcement is possible with steel-framed concrete that does not use reinforcing bars, which simplifies construction and reduces costs.
図2は、既設建物の外壁側の柱体12及び梁体14にアンカーボルト18とH形鋼20を配設させた状態の一例を示す図である。図のように、柱体12には縦方向に、梁体14には横方向に、それぞれH形鋼20が配置され、適度に間隔をあけて打設されたアンカーボルト18に固定されている。   FIG. 2 is a diagram illustrating an example of a state in which anchor bolts 18 and H-section steel 20 are arranged on the column 12 and the beam 14 on the outer wall side of the existing building. As shown in the figure, H-section steel 20 is arranged in the column body 12 in the vertical direction and in the beam body 14 in the horizontal direction, and is fixed to anchor bolts 18 that are placed at appropriate intervals. .
本実施形態においては、従来の耐震補強工法において用いていたプレート状の鋼板ではなく、引張り、曲げ、圧縮といった応力に対して高い耐力を有するH形鋼を鉄骨材料に用いているため、柱体12及び梁体14にそれぞれ配置されたH形鋼20の間を補強するための介在補強体(筋違材)は必要ない。   In this embodiment, since the H-shaped steel having high strength against stress such as tension, bending, and compression is used for the steel frame material instead of the plate-shaped steel plate used in the conventional seismic reinforcement method, the column There is no need for an interstitial reinforcement (strengthening material) for reinforcing the space between the H-shaped steels 20 respectively disposed on the beam 12 and the beam 14.
そして、1つのH形鋼20aと、その隣り合う他のH形鋼20bは、接合部材30で接合されている。これによって、より耐力や靭性に富んだ補強柱部若しくは補強梁部となって既設建物を補強する。   One H-section steel 20 a and another adjacent H-section steel 20 b are joined by a joining member 30. As a result, the existing building is reinforced as a reinforcing column or a reinforcing beam having a higher yield strength and toughness.
図3は、ビルや集合住宅等の多層階建物における耐震補強の一実施例を示している。同図に示す耐震補強構造は、集合住宅におけるベランダなどの廊下側に露出した既設柱体、既設梁体に適用した場合を例示するものである。   FIG. 3 shows an example of seismic reinforcement in a multi-storey building such as a building or an apartment house. The seismic reinforcement structure shown in the figure illustrates the case where it is applied to an existing column body and an existing beam body exposed on a corridor side such as a veranda in an apartment house.
既設柱体12と既設梁体14の外壁側にある廊下32の上下方向に貫通孔34が形成され、その貫通孔34を上下方向に貫通して、アンカーボルト18とH形鋼20が既設柱体12に配置される。一方、既設梁体14にも、廊下32と平行にアンカーボルト18とH形鋼20が配置される。そして、これらH形鋼20を囲むようにしてコンクリート型枠を配置し、繊維補強コンクリート28が打設されて、既設柱体12及び既設梁体14に鉄骨コンクリート合成構造部材10が連設されている。   A through hole 34 is formed in the vertical direction of the corridor 32 on the outer wall side of the existing column body 12 and the existing beam body 14, and the anchor bolt 18 and the H-shaped steel 20 are installed in the existing column through the through hole 34 in the vertical direction. Located on the body 12. On the other hand, the anchor bolt 18 and the H-shaped steel 20 are also arranged in the existing beam body 14 in parallel with the hallway 32. A concrete formwork is arranged so as to surround these H-shaped steels 20, fiber-reinforced concrete 28 is placed, and the steel-frame concrete composite structural member 10 is connected to the existing column 12 and the existing beam 14.
なお、この鉄骨コンクリート合成構造部材10中にはH形鋼20が配置されているが、その1つのH形鋼と上下し合う他のH形鋼とは接合部材30で接合されて一体とされているため、多層におよぶ場合も既設柱体12を補強することができる。   In addition, although the H-section steel 20 is arrange | positioned in this steel-frame concrete composite structural member 10, it joins with the other H-section steel which moves up and down with the one H-section steel, and is united. Therefore, the existing column 12 can be reinforced even when the number of layers extends.
本発明の内容である図2などに示す耐震補強構造は、図7に示す従来の耐震補強構造のように、柱体と梁体の補強体で囲まれた枠体に耐震補強体の強度を補うための介在補強体(筋違材)を設けていないため、この枠体内部に筋違型や間柱型といったさまざまな制震部材をとりつけることができる。   The seismic reinforcement structure shown in FIG. 2 and the like, which is the content of the present invention, provides the strength of the seismic reinforcement body to the frame body surrounded by the column body and the beam body reinforcement body as in the conventional earthquake resistance reinforcement structure shown in FIG. Since no interstitial reinforcing body (stiffener) is provided for the supplement, various vibration control members such as a staggered type and a stud type can be attached inside the frame.
そこで以下に、上記耐震補強構造に制震部材を取付けたものからなる耐震補強構造について説明する。   In view of this, a description will be given below of a seismic reinforcement structure including a seismic reinforcement member attached to the seismic reinforcement structure.
図4は、既設建物の外壁面に位置する柱体と梁体に一体的に設けられた鉄骨コンクリート合成構造部材等の補強体からなる枠体に、筋違型の制震部材(35a、35b)を設けた耐震補強構造の一例である。図4(a)はこの枠体に筋違型の制震部材が1本設けられたものであり、図4(b)は筋違型の制震部材が2本設けられたものである。図4(b)は、柱側がコンクリート合成構造部材10による補強で、梁側は鉄骨部材11による補強からなっているが、特に限られるものではない。   FIG. 4 is a diagram showing a structure of a reinforcing member such as a steel-concrete composite structural member integrally provided on a column and a beam located on the outer wall surface of an existing building. ) Is an example of a seismic reinforcement structure. FIG. 4 (a) shows one frame-type vibration damping member provided on the frame, and FIG. 4 (b) shows two line-type vibration control members. In FIG. 4B, the column side is reinforced by the concrete composite structural member 10 and the beam side is reinforced by the steel member 11, but it is not particularly limited.
制震部材(35a、35b)は、例えば、この枠体に取付けられたカゼット38に、制震部材(35a、35b)の端部に備えたクレビス継手39等の継手を、ピンやボルト等で固定して建物に取付けることができる。   For example, the damping member (35a, 35b) is formed by connecting a joint such as a clevis joint 39 provided at an end of the damping member (35a, 35b) to a casette 38 attached to the frame with a pin, a bolt, or the like. Can be fixed and installed in buildings.
この制震部材(35a、35b)は、筒状や棒状の鋼材、コンクリート等からなる剛体の支材(37a、37b)の一部分に、地震等により建物に加わる振動エネルギーを吸収し建物の変位を小さくするためのダンパー(36a、36b)を有する。このダンパー(36a、36b)としては、例えば、速度依存性の粘性抵抗を利用して建物に加わる振動に対して減衰性能を発揮するオイルダンパーや粘弾性ダンパー、部材の変形履歴に伴うエネルギー消費を利用して減衰性能を発揮する履歴型ダンパー等がある。   This vibration control member (35a, 35b) absorbs vibration energy applied to the building due to an earthquake or the like to a part of a rigid support (37a, 37b) made of cylindrical or bar steel, concrete, etc. It has dampers (36a, 36b) for reducing the size. As the dampers (36a, 36b), for example, an oil damper or a viscoelastic damper that exhibits damping performance against vibration applied to a building using a speed-dependent viscous resistance, energy consumption accompanying deformation history of the member is used. There are hysteretic dampers that exhibit damping performance when used.
オイルダンパーは、例えば、シリンダー内に充填されたオイルをピストンの押し引きによる圧力差によって、オイルがシリンダー内に設けられた弁を通過するときに生じる抵抗力によって地震エネルギーを吸収するものである。   The oil damper absorbs seismic energy by, for example, a resistance force generated when oil passes through a valve provided in the cylinder due to a pressure difference caused by pushing and pulling the oil filled in the cylinder.
粘弾性ダンパーは、例えば、鋼材間に高分子材料などの粘弾性体をサンドイッチ状に挟みこんだ基本構造を有するものなどがあり、振動によって鋼材が相互にずれたときに、この粘弾性体が変形して振動エネルギーを吸収することができる。   Viscoelastic dampers include, for example, those having a basic structure in which a viscoelastic body such as a polymer material is sandwiched between steel materials. When the steel materials are displaced from each other by vibration, the viscoelastic body is It can be deformed to absorb vibration energy.
履歴型ダンパーは、低降伏点鋼材等の塑性変形を利用して振動エネルギーを吸収するものである。筋違型のものとしては、例えば、座屈を防止するための座屈補剛材の内側に芯材として低降伏点鋼材を用いたものなどがある。   The hysteretic damper absorbs vibration energy by utilizing plastic deformation of a low yield point steel material or the like. Examples of the distorted type include those using a low yield point steel material as a core material inside a buckling stiffener for preventing buckling.
図5は、既設建物の外壁面に位置する梁体に一体的に設けられた鉄骨コンクリート合成構造部材等の補強体間に、間柱型の制震部材35cを設けた耐震補強構造の一例である。図示するものは、柱側がコンクリート合成構造部材10による補強で、梁側は鉄骨部材11による補強からなっているが、特に限られるものではない。   FIG. 5 is an example of an earthquake-resistant reinforcement structure in which a stud-type damping member 35c is provided between reinforcement bodies such as steel-concrete composite structural members that are integrally provided on a beam body located on the outer wall surface of an existing building. . In the figure, the pillar side is reinforced by the concrete composite structural member 10 and the beam side is reinforced by the steel member 11, but it is not particularly limited.
この制震部材35cも、図4に示すものと同様、その一部分に、地震等により建物に加わる振動エネルギーを吸収し建物の変位を小さくするためのダンパー36cを有する。この間柱型の制震部材35cのダンパー36cは、例えば、粘弾性ダンパーや履歴型ダンパー等が挙げられる。   The damping member 35c also has a damper 36c for absorbing vibration energy applied to the building due to an earthquake or the like and reducing the displacement of the building, as in the case shown in FIG. Examples of the damper 36c of the stud type vibration control member 35c include a viscoelastic damper and a hysteretic damper.
筋違型のものと同様、粘弾性ダンパーには高分子材料などの粘弾性体が用いられ、履歴型ダンパーには、間柱の一部に低降伏点鋼材を用いたもの等がある。   Similar to the muscular type, a viscoelastic material such as a polymer material is used for the viscoelastic damper, and a hysteretic damper includes a material using a low yield point steel material for a part of the stud.
図4、5に示すものとすることによって、建物の地震による振動に対する耐力を高めるだけでなく、地震による振動エネルギーを吸収して振動エネルギーを低減させることにより、建物の揺れ自体を軽減して倒壊を防ぐことができる。そして、耐震構造と制震構造が組み合わされるため、更に地震に強い建物とすることができる。   As shown in FIGS. 4 and 5, not only increases the resistance to vibration caused by earthquakes in the building, but also absorbs vibration energy caused by earthquakes and reduces vibration energy, thereby reducing the vibration of the building itself and collapsing. Can be prevented. And since an earthquake-resistant structure and a vibration control structure are combined, it can be set as a building strong against an earthquake.
次に、本実施形態に係る既設建物の耐震補強工法について説明する。この耐震補強工法は、次の工程(1)〜(4)を含むものからなるものである。   Next, the seismic reinforcement method for an existing building according to this embodiment will be described. This seismic reinforcement method includes the following steps (1) to (4).
工程(1)は、既設建物の外壁面に位置する柱体若しくは梁体にアンカーボルトを打設する工程である。   Step (1) is a step of placing an anchor bolt on a column or beam positioned on the outer wall surface of an existing building.
この場合、上記アンカーボルトの打設は、上記柱体と上記梁体の両方に行っても良いし、柱体のみ又は梁体のみに行うこともできる。そして、既設建物の柱体や梁体に、一定のピッチで打設する。このアンカーボルトは、柱体や梁体の軸方向に沿って一列に打設しても良いし、2列又は3列に打設することもできる。好ましくは、複数列に打設することである。柱体若しくは梁体に、より強固に鉄骨コンクリート合成構造部材が固定されるからである。なお、アンカーボルトは、柱体や梁体に打設した際、接着剤等によって固定化される。   In this case, the anchor bolts may be placed on both the column body and the beam body, or only the column body or the beam body. Then, it is placed at a fixed pitch on the pillars and beams of the existing building. The anchor bolts may be driven in a line along the axial direction of the column or beam, or may be driven in two or three lines. Preferably, they are placed in a plurality of rows. This is because the steel-concrete composite structural member is more firmly fixed to the column or beam. The anchor bolt is fixed by an adhesive or the like when it is placed on a column or beam.
工程(2)は、上記アンカーボルトに補強用形鋼を固定してこの補強用形鋼を既設建物の外壁面側に配置する工程である。   Step (2) is a step of fixing the reinforcing structural steel to the anchor bolt and arranging the reinforcing structural steel on the outer wall surface side of the existing building.
例えば、既設柱体などから10cm程度の位置に形鋼を配置し、アンカーボルトに取り付けることができる。   For example, the shape steel can be arranged at a position of about 10 cm from the existing column body and attached to the anchor bolt.
この場合、アンカーボルトによるH形鋼の固定は、上記アンカーボルトの打設によって、上記柱体と上記梁体の両方に行う場合もあるし、柱体のみ又は梁体のみに行う場合もある。   In this case, the fixing of the H-shaped steel with the anchor bolt may be performed on both the column body and the beam body, or may be performed only on the column body or only the beam body by placing the anchor bolt.
例えば、柱体のみアンカーボルトによるH形鋼の固定を行う場合には、柱体は鉄骨コンクリート合成構造部材で補強し、一方、梁体は、アンカーボルトを介さずに鉄骨コンクリート合成構造部材あるいは在来の鉄筋コンクリート部材、鉄骨部材などで補強することができる。   For example, when fixing the H-shaped steel with anchor bolts only to the column body, the column body is reinforced with a steel-concrete composite structural member, while the beam body is a steel-concrete composite structural member or existing member without an anchor bolt. It can be reinforced with conventional reinforced concrete members and steel members.
工程(3)は、上記アンカーボルトと補強用形鋼とを囲むように型枠を組む工程である。   Step (3) is a step of assembling a mold so as to surround the anchor bolt and the reinforcing structural steel.
工程(4)は、上記型枠中に繊維補強コンクリートを打設する工程である。アンカーボルトと補強用形鋼を包み込むようにコンクリートを打設する。   Step (4) is a step of placing fiber reinforced concrete in the mold. Concrete is placed so as to wrap the anchor bolt and the reinforcing steel.
このように、本発明に係る既設建物の耐震補強工法においては、上記鉄骨コンクリート合成構造部材を用いるため、地震による曲げや圧縮、引張りなどの応力に対して柱体や梁体の剛性及び耐力ともに充分な値を有することとなり、従来の工法では必要であった介在補強体(筋違材)が不要となり、柱体、梁体の補強のみで既設建物の補強を行うことができることとなる。   As described above, in the seismic reinforcement method for an existing building according to the present invention, since the above-described steel-concrete composite structural member is used, both the rigidity and the proof stress of the column body and the beam body with respect to stress such as bending, compression, and tension due to the earthquake Since it has a sufficient value, an intervening reinforcement body (stiffener), which was necessary in the conventional construction method, becomes unnecessary, and the existing building can be reinforced only by reinforcing the columnar body and the beam body.
少なくとも上記工程(1)〜(4)を経ることにより、本発明の既設建物の耐震補強工法が実施されることとなる。そして、上記鉄骨コンクリート合成構造部材は、上記既設建物の外壁面に設けられたものとなり、既設建物と一体となって作用するため、既設建物の耐震性は向上することとなる。また、建物の外側からだけで施工可能とであり、その建物を使用しながら工事を進めることができるものである。それによって、建物の使用者等に不便さを感じさせないものとなる。   At least through the steps (1) to (4), the seismic reinforcement method for an existing building of the present invention is carried out. And since the said steel-frame concrete composite structural member becomes what was provided in the outer wall surface of the said existing building, and acts integrally with the existing building, the earthquake resistance of the existing building will improve. In addition, the construction can be performed only from the outside of the building, and the construction can be performed while using the building. As a result, the user of the building does not feel inconvenience.
なお、前記制震部材を取付ける工程を組み込むことも可能である。この場合には、耐震構造と制震構造が組み合わされるため、更に地震に強い建物とすることもできる。   In addition, it is also possible to incorporate the process of attaching the said damping member. In this case, since the seismic structure and the vibration control structure are combined, the building can be made more resistant to earthquakes.
以上、本発明の実施の形態について詳細に説明したが、本発明は上記実施の形態に何ら限定されるものではなく、本発明の要旨を逸脱しない範囲で種々の改変が可能である。   Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.
例えば、上記実施形態において、H形鋼のみについて示しているが、用いる形鋼は、その断面形状がI形でもL形でも構わない。また、H形鋼であっても、アンカーボルトを通す位置は、そのウェブ部分であっても、フランジ部分であっても構わない。   For example, although only the H-shaped steel is shown in the above embodiment, the cross-sectional shape of the used steel may be I-shaped or L-shaped. Moreover, even if it is H-section steel, the position which lets an anchor bolt pass may be the web part, or a flange part.
本発明に係る既設建物の耐震補強構造及び耐震補強工法は、鉄骨鉄筋コンクリート建築、鉄筋コンクリート建築、鉄骨建築等の各種の建築構造物や、必要によっては土木構造物等の耐震補強に使用することができる。   The seismic strengthening structure and seismic strengthening method for existing buildings according to the present invention can be used for seismic reinforcement of various building structures such as steel reinforced concrete architecture, reinforced concrete architecture, steel construction, and civil engineering structures as necessary. .
本発明の一実施形態に係る既設柱体又は既設梁体と鉄骨コンクリート合成構造部材の要部断面図である。It is principal part sectional drawing of the existing pillar body or existing beam body and steel-frame concrete composite structural member which concerns on one Embodiment of this invention. 既設建物の外壁側の柱体及び梁体にアンカーボルトとH形鋼を配設させた状態を示した図である。It is the figure which showed the state which has arrange | positioned the anchor bolt and H-section steel to the pillar and beam body by the side of the outer wall of an existing building. ビルや集合住宅等の多層階建物における補強構造の断面図である。It is sectional drawing of the reinforcement structure in multi-storey buildings, such as a building and an apartment house. 既設建物の外壁側の柱体と梁体に設けられた補強体からなる枠体に、筋違型の制震部材を設けた耐震補強構造の一例である。It is an example of the earthquake-proof reinforcement structure which provided the strut type | mold damping member in the frame which consists of the reinforcement body provided in the column and beam body of the outer wall side of the existing building. 既設建物の外壁側の梁体に設けられた補強体間に、間柱型の制震部材を設けた耐震補強構造の一例である。It is an example of the earthquake-proof reinforcement structure which provided the stud-type vibration control member between the reinforcement bodies provided in the beam body of the outer wall side of the existing building. 従来の鉄筋鉄骨コンクリート工法を用いた既設建物の補強構造の断面図である。It is sectional drawing of the reinforcement structure of the existing building using the conventional reinforced steel concrete method. 従来の介在補強体(筋違材)を用いた鉄筋鉄骨コンクリート工法におけるコンクリート打設前の構造を示した図である。It is the figure which showed the structure before concrete placement in the reinforced steel concrete method using the conventional intervening reinforcement body (strengthening material).
符号の説明Explanation of symbols
10 鉄骨コンクリート合成構造部材
12 柱体
14 梁体
18 アンカーボルト
20 形鋼(鉄骨)
28 繊維補強コンクリート
35a、35b、35c 制震部材
36a、36b、36c ダンパー

10 Steel-concrete composite structural member 12 Column 14 Beam 18 Anchor bolt 20 Shape steel (steel)
28 Fiber reinforced concrete 35a, 35b, 35c Damping members 36a, 36b, 36c Damper

Claims (5)

  1. 既設建物の耐震補強構造であって、既設建物の外壁面に位置する柱体若しくは梁体にアンカーボルトが打設されると共に、該アンカーボルトに補強用形鋼が固定され、前記アンカーボルト及び補強用形鋼を囲むように繊維補強コンクリートが打設され、補強用形鋼−繊維補強コンクリートとからなる鉄骨コンクリート合成構造部材が前記既設建物の外壁面に一体となり、設けられていることを特徴とする既設建物の耐震補強構造。   A seismic reinforcement structure for an existing building, in which an anchor bolt is placed on a column or a beam located on the outer wall surface of the existing building, and a reinforcing structural steel is fixed to the anchor bolt. Fiber reinforced concrete is cast so as to surround the structural steel, and a steel-concrete composite structural member made of reinforcing structural steel and fiber reinforced concrete is provided integrally with the outer wall surface of the existing building. Seismic reinforcement structure for existing buildings.
  2. 前記柱体の外壁面には前記アンカーボルトを介して前記鉄骨コンクリート合成構造部材が設けられ、前記梁体の外壁面には前記アンカーボルトを介して若しくは前記アンカーボルトを介さずに前記鉄骨コンクリート合成構造部材又は在来の鉄筋コンクリート部材か鉄骨部材が設けられていることを特徴とする請求項1に記載の既設建物の耐震補強構造。   The steel-concrete composite structural member is provided on the outer wall surface of the column body via the anchor bolt, and the steel-concrete composite material is provided on the outer wall surface of the beam body via the anchor bolt or without the anchor bolt. 2. The seismic reinforcement structure for an existing building according to claim 1, wherein a structural member, a conventional reinforced concrete member or a steel frame member is provided.
  3. 前記鉄骨コンクリート合成構造部材からなる前記柱体の補強体と前記鉄骨コンクリート合成構造部材又は前記在来の鉄筋コンクリート部材か前記鉄骨部材からなる前記梁体の補強体とで囲まれた枠体に、筋違型の制震部材が設けられていることを特徴とする請求項1又は2に記載の既設建物の耐震補強構造。   The frame body surrounded by the reinforcing body of the column body made of the steel-concrete composite structural member and the steel-concrete composite structural member or the conventional reinforced concrete member or the reinforcing body of the beam body made of the steel member, The seismic reinforcement structure for an existing building according to claim 1, wherein an irregular vibration control member is provided.
  4. 前記鉄骨コンクリート合成構造部材又は前記在来の鉄筋コンクリート部材か前記鉄骨部材からなる前記梁体の補強体間に、間柱型の制震部材が設けられていることを特徴とする請求項1又は2に記載の既設建物の耐震補強構造。   3. A stud-type vibration control member is provided between reinforcing members of the beam body composed of the steel-concrete composite structural member, the conventional reinforced concrete member, or the steel member. Seismic reinforcement structure for existing buildings as described.
  5. 既設建物の耐震補強工法であって、既設建物の外壁面に位置する柱体若しくは梁体にアンカーボルトを打設する工程と、該アンカーボルトに補強用形鋼を固定して該形鋼を前記既設建物の外壁面側に配置する工程と、前記アンカーボルトと補強用形鋼とを囲むように型枠を組む工程と、該型枠中に繊維補強コンクリートを打設する工程とからなり、補強用形鋼−繊維補強コンクリート部材(鉄骨コンクリート合成構造部材)を前記既設建物の外壁面に一体となるように設けることを特徴とする既設建物の耐震補強工法。
    A seismic reinforcement method for an existing building, the step of placing an anchor bolt on a column or beam located on the outer wall surface of the existing building, and fixing the shape steel for reinforcement to the anchor bolt. It consists of a step of arranging on the outer wall surface side of an existing building, a step of assembling a mold so as to surround the anchor bolt and the reinforcing steel, and a step of placing fiber reinforced concrete in the mold. A seismic reinforcement method for an existing building, wherein a structural steel-fiber reinforced concrete member (steel concrete composite structural member) is provided so as to be integrated with an outer wall surface of the existing building.
JP2005185111A 2005-04-06 2005-06-24 Seismic reinforcement structure for existing buildings Active JP4587386B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2005109311 2005-04-06
JP2005185111A JP4587386B2 (en) 2005-04-06 2005-06-24 Seismic reinforcement structure for existing buildings

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2005185111A JP4587386B2 (en) 2005-04-06 2005-06-24 Seismic reinforcement structure for existing buildings
TW095108715A TWI347996B (en) 2005-04-06 2006-03-15
PCT/JP2006/306684 WO2006109580A1 (en) 2005-04-06 2006-03-30 Seismic strengthening structure and seismic strengthening construction method for existing building

Publications (2)

Publication Number Publication Date
JP2006312859A true JP2006312859A (en) 2006-11-16
JP4587386B2 JP4587386B2 (en) 2010-11-24

Family

ID=37086862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005185111A Active JP4587386B2 (en) 2005-04-06 2005-06-24 Seismic reinforcement structure for existing buildings

Country Status (3)

Country Link
JP (1) JP4587386B2 (en)
TW (1) TWI347996B (en)
WO (1) WO2006109580A1 (en)

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008050788A (en) * 2006-08-23 2008-03-06 Yahagi Construction Co Ltd Seismic strengthening structure of existing building
JP2010138658A (en) * 2008-12-15 2010-06-24 Maeda Corp Seismic strengthening structure of existing building
JP2011168954A (en) * 2010-02-16 2011-09-01 Kunimoto Co Ltd Reinforcing concrete form structure
JP2011168955A (en) * 2010-02-16 2011-09-01 Kunimoto Co Ltd Reinforcing concrete form structure
KR101150392B1 (en) 2011-11-24 2012-06-01 김정수 The joint structure and method of steel structure for earthquake-proof reinforcement
KR101303666B1 (en) * 2012-08-22 2013-09-24 이현남 The earthquake-proof reinforcement structure of building
JP2014020119A (en) * 2012-07-19 2014-02-03 Taisei Corp Outer-equipped reinforcement structure of existing building, and method for reinforcing existing building
JP2014101662A (en) * 2012-11-19 2014-06-05 Toa Harbor Works Co Ltd Reinforcement structure and reinforcement method of existing beam member
JP5694596B1 (en) * 2014-09-05 2015-04-01 矢作建設工業株式会社 Seismic reinforcement structure for existing buildings and seismic reinforcement method for existing buildings
JP2016008465A (en) * 2014-06-26 2016-01-18 山本 泰稔 Aseismic reinforcement structure for existing beam body
JP2016075130A (en) * 2014-10-09 2016-05-12 株式会社竹中工務店 Earthquake-resistant reinforcement frame
JP2016108911A (en) * 2014-12-10 2016-06-20 株式会社竹中工務店 Earthquake resistant wall structure
JP2016160607A (en) * 2015-02-27 2016-09-05 矢作建設工業株式会社 Structure and method for aseismic reinforcement of existing building

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5923565B2 (en) * 2013-08-27 2016-05-24 山本 泰稔 Seismic strengthening method for existing buildings using steel plates for seismic strengthening method
CN106013840B (en) * 2016-05-16 2018-03-06 中天建设集团有限公司 The unloading bracing members joint structure and its construction method of a kind of stiffness cantilevered structure
CN108824830B (en) * 2018-06-08 2020-11-20 中国能源建设集团广东省电力设计研究院有限公司 Reinforcing device for steel column bolt node and design method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09235892A (en) * 1995-12-28 1997-09-09 Kajima Corp Facing repairing/reinforcing method for existing building
JP2003328568A (en) * 2002-05-15 2003-11-19 Shimizu Corp Earthquake resistant reinforcing construction for structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3104679U (en) * 2004-04-16 2004-10-07 五洋建設株式会社 Braceless reinforced concrete construction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09235892A (en) * 1995-12-28 1997-09-09 Kajima Corp Facing repairing/reinforcing method for existing building
JP2003328568A (en) * 2002-05-15 2003-11-19 Shimizu Corp Earthquake resistant reinforcing construction for structure

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008050788A (en) * 2006-08-23 2008-03-06 Yahagi Construction Co Ltd Seismic strengthening structure of existing building
JP2010138658A (en) * 2008-12-15 2010-06-24 Maeda Corp Seismic strengthening structure of existing building
JP2011168955A (en) * 2010-02-16 2011-09-01 Kunimoto Co Ltd Reinforcing concrete form structure
JP2011168954A (en) * 2010-02-16 2011-09-01 Kunimoto Co Ltd Reinforcing concrete form structure
KR101150392B1 (en) 2011-11-24 2012-06-01 김정수 The joint structure and method of steel structure for earthquake-proof reinforcement
JP2014020119A (en) * 2012-07-19 2014-02-03 Taisei Corp Outer-equipped reinforcement structure of existing building, and method for reinforcing existing building
KR101303666B1 (en) * 2012-08-22 2013-09-24 이현남 The earthquake-proof reinforcement structure of building
JP2014101662A (en) * 2012-11-19 2014-06-05 Toa Harbor Works Co Ltd Reinforcement structure and reinforcement method of existing beam member
JP2016008465A (en) * 2014-06-26 2016-01-18 山本 泰稔 Aseismic reinforcement structure for existing beam body
JP5694596B1 (en) * 2014-09-05 2015-04-01 矢作建設工業株式会社 Seismic reinforcement structure for existing buildings and seismic reinforcement method for existing buildings
WO2016035411A1 (en) * 2014-09-05 2016-03-10 矢作建設工業 株式会社 Seismic reinforcing structure for existing buildings and seismic reinforcing method for existing buildings
KR20160039143A (en) * 2014-09-05 2016-04-08 야하기 컨스트럭션 코., 엘티디 Seismic strengthening structure and method for existing building
KR101634512B1 (en) 2014-09-05 2016-06-28 야하기 컨스트럭션 코., 엘티디 Seismic strengthening structure and method for existing building
JP2016075130A (en) * 2014-10-09 2016-05-12 株式会社竹中工務店 Earthquake-resistant reinforcement frame
JP2016108911A (en) * 2014-12-10 2016-06-20 株式会社竹中工務店 Earthquake resistant wall structure
JP2016160607A (en) * 2015-02-27 2016-09-05 矢作建設工業株式会社 Structure and method for aseismic reinforcement of existing building

Also Published As

Publication number Publication date
JP4587386B2 (en) 2010-11-24
WO2006109580A1 (en) 2006-10-19
TWI347996B (en) 2011-09-01
TW200643277A (en) 2006-12-16

Similar Documents

Publication Publication Date Title
US7188452B2 (en) Sleeved bracing useful in the construction of earthquake resistant structures
US8511025B2 (en) Metal joint and building comprising the same
Hitaka et al. Cyclic tests on steel and concrete‐filled tube frames with Slit Walls
JP2006045776A (en) Construction method of shear wall
JP3832581B2 (en) RC braceless seismic reinforcement method for RC construction
Devereux et al. NMIT arts & media building-damage mitigation using post-tensioned timber walls
KR101657481B1 (en) Seismic reinforcement structure and retrofitting method of infilled masonry wall with hollow steel plate
JP4721273B2 (en) Seismic reinforcement method for existing buildings with reinforced concrete frame structures
US5271197A (en) Earthquake resistant multi-story building
JP2007321486A (en) Armed pipe aseismatic structure and armed pipe aseismatic reinforcing method
JP2006037628A (en) Earthquake resistant reinforcement method for existing building
JP4072687B2 (en) Seismic reinforcement structure for building structures
JP2009249851A (en) Seismic strengthening method for existing building
JP5885950B2 (en) Seismic control wall frame structure
KR20120074130A (en) Compisite column structure for steel and concrete
JP2005351078A (en) Construction method of steel frame reinforced concrete column
JP2009097165A (en) Outer shell-reinforcing structure of existing building
JP4038472B2 (en) Seismic retrofitting frame for existing buildings and seismic control structures using the same
CN203741998U (en) Connected joint of self-resetting beam and column
JP5213248B2 (en) Seismic reinforcement structure for existing buildings
KR101165320B1 (en) Earthquake-proof construction method for opening parts of building
US8607528B2 (en) Building methods
KR101372087B1 (en) Strengthen method for steel frame structure using seismic control device
JP2007046410A (en) Vibration proof device
WO2006031001A1 (en) Steel-concrete sandwitch type hybrid beam and high strengh hybrid structure system using the same

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20071214

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20100525

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100722

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100817

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100903

R150 Certificate of patent or registration of utility model

Ref document number: 4587386

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130917

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130917

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130917

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313117

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250