WO2012108703A2 - Contrevent circulaire et procédé de production - Google Patents

Contrevent circulaire et procédé de production Download PDF

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Publication number
WO2012108703A2
WO2012108703A2 PCT/KR2012/000971 KR2012000971W WO2012108703A2 WO 2012108703 A2 WO2012108703 A2 WO 2012108703A2 KR 2012000971 W KR2012000971 W KR 2012000971W WO 2012108703 A2 WO2012108703 A2 WO 2012108703A2
Authority
WO
WIPO (PCT)
Prior art keywords
plate
reinforcement
outer frame
circular
fixing
Prior art date
Application number
PCT/KR2012/000971
Other languages
English (en)
Korean (ko)
Other versions
WO2012108703A3 (fr
Inventor
최재혁
Original Assignee
조선대학교 산학협력단
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 조선대학교 산학협력단 filed Critical 조선대학교 산학협력단
Priority to JP2013553362A priority Critical patent/JP5714136B2/ja
Publication of WO2012108703A2 publication Critical patent/WO2012108703A2/fr
Publication of WO2012108703A3 publication Critical patent/WO2012108703A3/fr

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    • 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
    • E04H9/02—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
    • E04H9/0237—Structural braces with damping devices
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92—Protection against other undesired influences or dangers
    • E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • 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

Definitions

  • the present invention relates to a circular brace and a construction method thereof, and more particularly, to a circular brace and a construction method installed on the structure to improve the seismic performance of the structure against external forces such as earthquakes.
  • the brace frame system installs the brace in X- or K-shape in the steel structure consisting of columns and beams. And the brace is in contact with the column and beam to install the gusset plate to reinforce the brace.
  • the brace installed in the horizontal direction can receive the tensile force and endure up to the maximum load.
  • the drastic deterioration causes the brace frame to become unstable.
  • the external force caused by the earthquake acts repeatedly in the left and right directions due to the steel structure, the external force in the horizontal direction acts alternately in opposite directions, and the tensioned brace receives the compressive force again. Will be raised.
  • the braces share the horizontal force acting on the brace frame together with the pillars and the visible main members, the pillars and beams are deformed after the braces are buckled.
  • the conventional brace formed in the X-shaped or K-shaped has a problem that does not have good aesthetics to harm the aesthetics of the structure.
  • the present invention has been made to solve the above problems, and provides a circular brace including an annular reinforcement that is installed to reinforce rigidity that can support it against external forces caused by earthquakes or typhoons applied to the structure. There is a purpose.
  • Another object of the present invention is to provide a circular brace that can minimize the deterioration of the aesthetics of the structure according to the installation of the reinforcing structure.
  • Circular brace according to the present invention for achieving the above object is installed on the structure and the outer frame is deformed by the external force applied to the structure, the outer circumferential surface is installed in contact with the inner peripheral surface of the outer frame to support the strength of the outer frame
  • a circular reinforcing part for reinforcing and fixing means for mutually coupling the outer frame and the reinforcing part.
  • the reinforcement part includes a plurality of unit members formed to be curved to have a predetermined curvature, and a connection part interconnecting end portions of the unit members, wherein the unit members are radially spaced apart from each other and extend side by side. And an outer plate, and a connecting plate connecting the inner plate and the outer plate to each other, wherein the connecting part is coupled to an end of the unit member, and a coupling plate having a fastening hole penetrating both sides of the unit member and opposite to the unit member; It is preferable that the fastener is formed with a fastener for fixing the two adjacent unit members and the coupling plate by passing through the fastening holes provided in the coupling plates formed at the ends of the two adjacent unit members.
  • the unit member has a first fixing hole is formed on the side in contact with the outer frame, the outer frame is formed with a second fixing hole corresponding to the first fixing hole in the contact portion in contact with the reinforcement,
  • the fixing means includes a fastener fastened through the first and second fixing holes to fix the reinforcing part and the outer frame.
  • Circular brace according to the present invention is to be installed in a structure consisting of two pillars extending up and down and spaced apart from each other by a predetermined interval, and a beam connecting the upper and lower ends of the pillars, respectively, the outer peripheral surface is in contact with the inner peripheral surface of the structure It may be formed with a circular reinforcement for reinforcing the support strength of the structure when the structure is deformed by an external force, and a fixing portion for fixing the reinforcement to the structure.
  • the reinforcement part includes a plurality of unit members formed to be curved to have a predetermined curvature, and a connection part interconnecting end portions of the unit members, wherein the unit members are radially spaced apart from each other and extend side by side. And an outer plate, and a connecting plate interconnecting the inner plate and the outer plate, wherein the fixing part is inserted into the structure through the outer plate at a contact portion where the reinforcing portion and the structure contact each other. It is preferable to have a fixed anchor for fixing the parts to each other.
  • the fixing part further includes a fixing anchor which radially protrudes through the outer plate, and an auxiliary fastening bracket having an insertion groove formed therein so that the fixing anchor installed on the structure and protruding through the outer plate can be screwed together. It may be provided.
  • the construction method of the circular brace according to the present invention is an outer frame installation step of installing an outer frame that is formed to be deformed with the structure when the external force is applied to the inside of the structure, and the outer peripheral surface to be in contact with the inner peripheral surface of the outer frame And a reinforcing part manufacturing step of manufacturing a circular reinforcing part having a radius corresponding to the outer frame, and a reinforcing part installing step of installing the reinforcing part to the outer frame by interconnecting the reinforcing parts to contact the inner circumferential surface of the outer frame.
  • the construction method of the circular brace is such that the outer circumferential surface is in contact with the pillar and the beam with respect to the structure having two pillars spaced apart from each other and extending in the vertical direction, and a beam connecting the top and the bottom of the pillar.
  • the circular brace according to the present invention can enhance the stability of the structure by enhancing the reinforcement strength against external force acting on the structure, compared to the conventional X-type or K-type brace installation structure, and the structure is excellent in the esthetics than the conventional brace mentioned above There is an advantage that does not significantly degrade the sense of beauty.
  • FIG. 1 is a perspective view showing a first embodiment of a circular brace according to the present invention
  • FIG. 1 is an exploded perspective view of the circular brace of Figure 1
  • FIG. 3 is an exploded perspective view showing the coupling portion of the unit members
  • Figure 4 is a partially cut perspective view showing a coupling portion of the reinforcing portion and the outer frame
  • FIG. 5 is a front view showing a deformation state of a circular brake supporting a structure in which deformation occurs due to external force
  • FIG. 6 is a front view showing an embodiment in which two reinforcement units are installed in a structure having a large horizontal length
  • FIG. 7 is a front view illustrating an embodiment in which two reinforcement parts are installed in a structure having a large length
  • FIG. 8 is a perspective view showing a second embodiment of a circular brace
  • FIG. 9 is a perspective view showing a third embodiment of a circular brace
  • FIG. 10 is a front view showing a fourth embodiment of a circular braid with the outer frame omitted;
  • FIG. 11 is a front view showing a fifth embodiment of a war type brake provided with an auxiliary fastening bracket
  • FIG. 12 is an exploded perspective view of FIG. 11.
  • FIG. 1 to 5 show a first embodiment of a circular brace 100 according to the invention.
  • the circular brace 100 of the present embodiment includes an outer frame 110 installed in the structure 10 and a circular reinforcement part 120 in contact with the inner circumferential surface of the outer frame 110. .
  • the outer frame 110 is formed by connecting the ends of the four support rods 111 to form a rectangular frame shape.
  • the outer frame 110 is installed to contact the inner circumferential surface of the structure 10, the H-beam was applied to facilitate the mounting of the reinforcement portion (120).
  • the reinforcement part 120 is installed to contact the outer circumferential surface of the outer circumferential surface of the outer frame 110 to increase the bearing capacity of the outer frame 110 against the external force, and the plurality of unit members 121 are connected to each other in a circular shape. Is formed.
  • the unit members 121 are curvedly extended to have a predetermined curvature, and four are connected to each other to form a circle.
  • the unit member 121 is composed of an inner plate 122 and an outer plate 123 and the connecting plate 124 connecting the inner plate 122 and the outer plate 123 are spaced apart from each other along the radial direction. Thus, the H-beams are curvedly extended.
  • the unit members 121 are interconnected by the connecting portion 125, the connecting portion 125 is coupled to the coupling plate 126 is coupled to the end of the unit member 121, through the coupling plate 126 It consists of a fastener 128 for fastening the plates 126.
  • the coupling plate 126 is coupled to the end of the unit member 121 by welding and a plurality of fastening holes 127 penetrating the upper and lower surfaces are formed.
  • the coupling plate 126 installed at the end of the unit member 121 is in contact with each other, the fastening hole 127 formed in the two coupling plate 126
  • the unit members 121 may be connected to each other by installing the fasteners 128 to penetrate all of them.
  • unit members 121 are combined to form a circle.
  • the reinforcing part 120 is illustrated as four unit members 121 are connected to each other, but the unit members 121 may be divided into three or five or more.
  • the reinforcement parts 120 are fastened at contact portions whose outer circumferential surfaces contact the outer frame 110, respectively.
  • the outer frame 110 is formed in a rectangular frame shape, the circular reinforcement part 120 is in contact with the outer frame 110 at four portions, and the outer reinforcement part 120 in contact with the outer frame 110 is external to the outer frame 110.
  • the first fixing hole 131 is formed in the plate 123, and the second fixing hole 132 corresponding to the first fixing hole 131 is formed in the outer frame 110.
  • the fixing unit 133 is installed to penetrate the first and second fixing holes 131 and 132 so that the reinforcing part 120 is fixed to the outer frame 110.
  • the circular brace 100 of the present invention installed as described above is the outer frame 110 is deformed together with the structure 10 when an external force is applied to the structure 10 by an external factor such as an earthquake or typhoon as shown in FIG.
  • the reinforcement part 120 supports the external force according to the deformation of the outer frame 110 to prevent the structure 10 and the outer frame 110 from collapsing.
  • the reinforcement portion 120 of the present invention is formed in a circular shape to support the external force applied throughout the reinforcement portion 120, the reinforcement of the other shape of the same length or volume It can provide relatively greater reinforcement.
  • the reinforcement part 120 is most preferably formed in the form of a garden, but according to the shape or size of the structure 10, the reinforcement part 120 may be formed in an elliptical shape having different cross and vertical diameters.
  • a plurality of circular reinforcement parts 120 may be provided.
  • the reinforcement part 120 is closer to the garden form, the reinforcement may be relatively increased than when the reinforcement part 120 is formed in an elliptical shape.
  • FIG. 8 is a third embodiment of a circular brace 100.
  • the outer frame 140 is fixed to the inside of the structure 10, unlike the first embodiment, the ends of each of the supporting rods 141 are simply fixed without being rotatably linked.
  • the outer frame 140 is simply configured to lower the manufacturing cost.
  • the circular brace 100 of this embodiment may be installed on the front of the structure (10).
  • the outer frame 150 for installing the reinforcement part 120 may be fixed to the front surface of the structure 10 to increase the size of the reinforcement part 120 to increase reinforcement force against external force.
  • the circular brace 200 of the present invention may be formed by installing a circular reinforcement 210 directly on the structure 10 without an outer frame as shown in FIG. 10.
  • the present embodiment includes a reinforcing part 210 for reinforcing the support force of the structure 10 against external force and a fixing part 220 for fixing the reinforcing part 210 to the structure 10.
  • 220 may be formed as a fixed anchor 221 penetrating the reinforcement portion 210 is inserted into the structure 10.
  • the fixing portion 220 further includes an auxiliary fastening bracket 222 installed on the structure 10. It can be provided.
  • the auxiliary fastening bracket 222 is a member of the first and second brackets 222 surrounding the structure 10, and the threads are threaded so that the fixing anchors 221 can be screwed to the members of the first and second brackets 222.
  • the formed insertion groove 223 is formed so that the reinforcement portion 210 can be coupled to the structure 10 through the auxiliary fastening bracket 222.
  • the construction method of the circular brace includes an external frame 110 installation step, reinforcement part 120 manufacturing step and reinforcement part 120 installation step.
  • the support rods 111 forming the external frame 110 are installed to install the reinforcement part 120 in the structure 10.
  • the unit members 121 are connected to each other to produce a single reinforcement part 120.
  • the reinforcement part 120 may be directly connected at a factory, or may be manufactured in advance. ) Can be transported in a fastened state so that they can be installed immediately on site.
  • the reinforcement part 120 installation step is a step of connecting the manufactured reinforcement part 120 with the outer frame 110 and fastening the above-described fastener 133 by passing through the first and second fixing holes 131 and 132. Install 120 on the outer frame 110.
  • the construction method of the circular brace is made of only the manufacturing step of the reinforcement unit 120 and the installation step of the reinforcement unit 120, omitting the external frame 110 installation step when the reinforcement unit 120 is directly installed on the structure 10. It may be.
  • Circular braze of the present invention and its construction method can be applied to the construction of the building to be seismic design or reinforcement of the building has high industrial applicability in the field of construction.

Abstract

La présente invention concerne un contrevent circulaire qui est disposé dans une structure de manière à pouvoir améliorer l'aptitude de résistance aux vibrations de la structure relativement à des forces externes telles que des tremblements de terre, et un procédé de production dudit contrevent. Le contrevent circulaire selon la présente invention comprend : un cadre externe qui est situé dans la structure et est déformé par des forces externes appliquées à la structure; Une pièce de renforcement circulaire qui est placée de telle manière que sa surface périphérique externe assure un contact avec la surface périphérique interne du cadre externe, et que ladite pièce de renforcement assure le renforcement de la résistance de soutènement du cadre externe; et un moyen de sécurité qui réunit le cadre externe et la pièce de renforcement.
PCT/KR2012/000971 2011-02-09 2012-02-09 Contrevent circulaire et procédé de production WO2012108703A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2013553362A JP5714136B2 (ja) 2011-02-09 2012-02-09 円形ブレース及びその施工方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0011485 2011-02-09
KR1020110011485A KR101188784B1 (ko) 2011-02-09 2011-02-09 원형 브레이스 및 이의 시공방법

Publications (2)

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WO2012108703A2 true WO2012108703A2 (fr) 2012-08-16
WO2012108703A3 WO2012108703A3 (fr) 2012-12-20

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PCT/KR2012/000971 WO2012108703A2 (fr) 2011-02-09 2012-02-09 Contrevent circulaire et procédé de production

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JP (1) JP5714136B2 (fr)
KR (1) KR101188784B1 (fr)
WO (1) WO2012108703A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106481134A (zh) * 2016-11-15 2017-03-08 东南大学 一种端部具有刻槽型诱导单元的屈曲诱导支撑
CN106639462A (zh) * 2016-11-15 2017-05-10 东南大学 一种端部具有双向螺旋型诱导单元的屈曲诱导支撑
CN106639461A (zh) * 2016-11-15 2017-05-10 东南大学 一种具有变长度四折痕型诱导单元的套管屈曲诱导支撑
US11746521B2 (en) 2020-09-29 2023-09-05 The University Of Tokyo Reinforced structure for column and beam frame

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101631993B1 (ko) * 2016-01-19 2016-06-20 김기태 건축물의 내진 보강구조
JP6178953B1 (ja) * 2016-05-12 2017-08-09 一夫 有▲吉▼ 家屋のクッション性耐震構造
KR102178849B1 (ko) * 2019-08-23 2020-11-25 (주)테르자기 입체형 아치구조를 활용한 버팀 보강 시스템
KR102312941B1 (ko) * 2021-03-31 2021-10-14 경희대학교 산학협력단 내진 보강용 철골 브레이스 시스템 및 그 시공 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09195386A (ja) * 1996-01-17 1997-07-29 Yoshiro Watanabe 耐震構築構法とその構法に用いる鉄筋ブレース
JP2002004435A (ja) * 2000-06-22 2002-01-09 Kajima Corp 方杖型ブレース及び方杖型ブレース付きフレーム
JP2002070329A (ja) * 2000-09-05 2002-03-08 Takenaka Komuten Co Ltd 枠材接着先行組立式の鉄骨ブレース接着工法
JP2009197576A (ja) * 2008-01-22 2009-09-03 Univ Of Ryukyus コンクリート構造物の耐震補強構造

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603235Y2 (ja) * 1980-04-26 1985-01-29 株式会社ケンザイシヤ 耐震補強構造体
JPS62273336A (ja) * 1987-05-06 1987-11-27 旭化成株式会社 耐力フレ−ム
JP3472192B2 (ja) * 1999-04-27 2003-12-02 勲 山下 連結金具を用いた筋違構造体
JP2002327497A (ja) * 2001-05-01 2002-11-15 Shoichi Maekawa 木造建築工法用の筋交いと該筋交いを組み入れた木造建築工法。
JP4252427B2 (ja) * 2003-11-21 2009-04-08 俊之 梅野 耐震ユニットと耐震建築工法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09195386A (ja) * 1996-01-17 1997-07-29 Yoshiro Watanabe 耐震構築構法とその構法に用いる鉄筋ブレース
JP2002004435A (ja) * 2000-06-22 2002-01-09 Kajima Corp 方杖型ブレース及び方杖型ブレース付きフレーム
JP2002070329A (ja) * 2000-09-05 2002-03-08 Takenaka Komuten Co Ltd 枠材接着先行組立式の鉄骨ブレース接着工法
JP2009197576A (ja) * 2008-01-22 2009-09-03 Univ Of Ryukyus コンクリート構造物の耐震補強構造

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106481134A (zh) * 2016-11-15 2017-03-08 东南大学 一种端部具有刻槽型诱导单元的屈曲诱导支撑
CN106639462A (zh) * 2016-11-15 2017-05-10 东南大学 一种端部具有双向螺旋型诱导单元的屈曲诱导支撑
CN106639461A (zh) * 2016-11-15 2017-05-10 东南大学 一种具有变长度四折痕型诱导单元的套管屈曲诱导支撑
CN106639462B (zh) * 2016-11-15 2019-01-01 东南大学 一种端部具有双向螺旋型诱导单元的屈曲诱导支撑
US11746521B2 (en) 2020-09-29 2023-09-05 The University Of Tokyo Reinforced structure for column and beam frame

Also Published As

Publication number Publication date
JP2014509356A (ja) 2014-04-17
WO2012108703A3 (fr) 2012-12-20
KR20120091612A (ko) 2012-08-20
KR101188784B1 (ko) 2012-10-10
JP5714136B2 (ja) 2015-05-07

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