WO2016068401A1 - Entretoise à flambage restreint pour réhabilitation sismique d'une structure de charpente d'acier - Google Patents

Entretoise à flambage restreint pour réhabilitation sismique d'une structure de charpente d'acier Download PDF

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Publication number
WO2016068401A1
WO2016068401A1 PCT/KR2015/001967 KR2015001967W WO2016068401A1 WO 2016068401 A1 WO2016068401 A1 WO 2016068401A1 KR 2015001967 W KR2015001967 W KR 2015001967W WO 2016068401 A1 WO2016068401 A1 WO 2016068401A1
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WO
WIPO (PCT)
Prior art keywords
plate
core material
coupling
reinforcing
brace
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PCT/KR2015/001967
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English (en)
Korean (ko)
Inventor
최성모
Original Assignee
서울시립대학교 산학협력단
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Publication of WO2016068401A1 publication Critical patent/WO2016068401A1/fr

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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62Insulation or other protection; Elements or use of specified material therefor
    • E04B1/92Protection against other undesired influences or dangers
    • E04B1/98Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/08Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements
    • E04B1/5806Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
    • E04B1/5812Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04CSTRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01Reinforcing elements of metal, e.g. with non-structural coatings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/024Structures with steel columns and beams

Definitions

  • the present invention relates to braces for reinforcement of steel structures such as power plants, infrastructure, and plants, and more particularly, in braces for reinforcing steel structures consisting of steel columns and beams, reinforcing materials to surround cores formed of H-beams. It is related to the non-buckling brace for seismic reinforcement of steel structure to prevent buckling even when compressing. .
  • Patent Document 1 As a background technology of the present invention, there is a patent registration No. 1364787 "weak axis reinforced non-buckling brace" (Patent Document 1).
  • a brace for reinforcing a steel frame structure consisting of steel pillars and beams, the core material formed of H-shaped steel; c-shaped cross-section body, the reinforcement consisting of the first coupling portion of the shape of both ends of the body is bent to the outside; Is configured to engage with each other in both directions of the flange of the core to enclose the central portion in the longitudinal direction of the core, and to be introduced between the first coupling portion of the reinforcing member to be joined to each other so that the end is in contact with the longitudinal direction of the central portion of the web of the core
  • the reinforcing member is further configured, and the auxiliary reinforcing member has a cross-sectional shape of any one of the plate type, T-type, I-type or H-type weak axis reinforcement type non-buckling brace.
  • the present invention is to solve the above problems, it is possible to fasten by bolt coupling without using a bonding method such as welding by configuring the reinforcement to surround the core formed of H-shaped steel, even during operation of steel structures such as power facilities It can be easily installed, reinforcing the weak axis of the core web and expanding the cross section of the core to improve the cross-sectional performance, so that buckling does not occur even during compression, leading to stable hysteretic behavior even under repeated loads such as earthquakes.
  • Steel plate structure which is a connection between core material and steel structure, which is easy to be buckled and destroyed during compression, is also constructed by adjusting the brace plate to fix the reinforced core to match the behavior of the core material. To provide non-buckling bracing for seismic reinforcement None.
  • the present invention relates to a brace for reinforcing a steel structure consisting of steel pillars and beams, the core material consisting of an H-shaped steel flanged perpendicular to the central web and both ends;
  • a main body having a C-shaped cross-section having a predetermined length, a coupling part extending at both ends of the main body bent outward at right angles, and a reinforcing part extending at an outer right angle at the outer end of the coupling part, are formed in both directions of the flange of the core material.
  • Two reinforcements configured to be coupled to each other to surround the longitudinal center portion of the core material;
  • a reinforcing plate formed in a plate shape having a predetermined length and thickness between the outer surface of the flange of the core and the inner surface of the main body of the reinforcing material;
  • a fixed plate coupled to the beam in a plate shape, a vertical plate formed perpendicularly to the fixed plate, and a coupling plate having a cut length formed at one end in a longitudinal direction from a longitudinal center portion in a plate shape having a predetermined length and thickness.
  • the incision is inserted into the upper part of the vertical plate to form a fixed angle with the fixed plate, and is formed to be spaced apart from each other by forming a pair, so that the core material is inserted between the pair of coupling plate and the coupling plate, and the web and the vertical plate of the core material
  • a non-buckling brace for seismic reinforcement of the steel structure characterized in that consisting of; brace plate that is bolted to the plate.
  • the coupling plate of the brace plate is inserted in both ends of the reinforcing material, to provide a non-buckling brace for the steel structure seismic reinforcement, characterized in that the flange is formed overlapping the coupling plate and the reinforcing material and core material.
  • the vertical plate is to provide a non-buckling brace for the seismic reinforcement of the steel structure, characterized in that the cutting surface is formed by cutting the end coupled to the coupling plate to form a right angle with the coupling plate.
  • the reinforcing material is to provide a non-buckling brace for earthquake-resistant reinforcing steel structure, characterized in that formed of aluminum.
  • the reinforcing material is formed in the cutting surface is cut to the side in the central portion in the longitudinal direction is divided into two long first segment member and a short second segment member, the cut surface of the segmented two segment members are planar One side protrudes and one side is formed in a concave shape to provide a non-buckling brace for seismic reinforcement of the steel structure, characterized in that the first segment member and the second segment member is configured to mate with each other at the cutting surface.
  • the non-buckling brace for seismic reinforcement of steel structures of the present invention can be fastened by bolting without using a bonding method such as welding by constructing a reinforcement to surround the core formed of H-shaped steel, and is very easy even during operation of steel structures such as electric power facilities. It can be constructed in a simple manner, reinforcing the weak axis of the core web and expanding the cross section of the core to improve the cross-sectional performance, so that the buckling does not occur even during compression, leading to stable hysteretic behavior even under repeated loads such as earthquakes. There is a very useful effect that can be increased.
  • the brace plate for fixing the reinforcing core material to match the behavior of the core material buckling during compression and the brace plate, which is the connection between the core material and the steel structure, which is susceptible to compression also has a very useful effect that does not occur during compression.
  • FIG. 1 is a view showing an embodiment of the installation state of the non-buckling brace for seismic reinforcement steel structure of the present invention.
  • FIG. 2 is a cross-sectional view of the core of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line A-A of FIG.
  • Figure 4 is an exploded perspective view of the connection portion of the brace plate and the core of the present invention.
  • Figure 5a is a perspective view of the coupled state of FIG.
  • Figure 5b is a side cross-sectional view of the coupled state of FIG.
  • FIG. 6A is a perspective view of another embodiment of FIG. 5A.
  • FIG. 6B is a side cross-sectional view of another embodiment of FIG. 5B.
  • FIG. 7A is a perspective view of another embodiment of the reinforcement of the present invention.
  • 7B is a plan view of another embodiment of the reinforcement of the present invention.
  • FIG. 1 is a view showing an embodiment of the installation state of the non-buckling brace for seismic reinforcement steel structure of the present invention.
  • the non-buckling brace 1 of the present invention is used as a brace for reinforcing a steel structure consisting of a steel column 5 and a beam 6.
  • braces In general, in order to reinforce steel structures, such as power plants, infrastructure, and plants, it is difficult to directly reinforce unexposed columns and beams.
  • the brace under tension can be compressed by the compressive force during an earthquake, and because the structures such as plants are pin-bonded, the only transverse resistance element is brace.
  • steel structures such as power plants should be stopped for reinforcement and difficult to reinforce and should be reinforced during operation.
  • steel structures such as infrastructure and plants such as power plants may cause damage to the facilities during operation. Since braces cannot be used, both braces and stiffeners must be constructed using bolted joints.
  • the brace is designed to receive a tensile force, the large equipment, the compression buckling force caused the elastic buckling was not a role of the brace, so the seismic reinforcement non-buckling brace (1) of the steel structure of the present invention the core material (10)
  • the reinforcement 20 is configured to reinforce, thereby increasing the cross-sectional secondary radius to reinforce to secure the compressive strength so as to form a non-buckling brace.
  • Non-buckling brace 1 for the earthquake-resistant reinforcement of the steel structure is a brace plate 40 is configured at the end of the core material 10, so that the brace plate 40 is connected to the steel beam (6).
  • the core material 10 may be reinforced with the reinforcing material 20 to secure the compressive strength in the core material 10 itself, but because buckling may occur in the brace plate 40 that fixes the core material 10 to the steel structure,
  • the brace plate 40 for fixing the core 10 to the steel structure is also reinforced so that buckling in the brace plate 40 does not occur.
  • non-buckling brace 1 for the steel structure seismic reinforcement of the present invention both ends by the brace plate 40 to reinforce the space forming the column 5 and the beam 6 of the steel structure in one direction oblique.
  • the brace plate 40 is coupled to the center of the beam 6 and reinforces with a bi-directional oblique line at the brace plate 40 at the center of the beam 6. 6) can be combined.
  • Figure 3 is a cross-sectional view taken along the line A-A of FIG.
  • the non-buckling bracing 1 for the seismic reinforcement of the steel structure of the present invention is a core 10 formed of H-shaped steel and the core 10 in both directions of the flange 12 Combination is composed of a reinforcing material 20 configured to surround the outside.
  • the core material 10 uses a H-shaped steel having a horizontally formed web 11 and a flange 12 configured to be parallel to both ends of the web 11, and the H-shaped steel is manufactured to have two axial directions.
  • Such H-shaped steel is to reinforce the cross-section by configuring the reinforcing material 20 on the outside of the core material 10 in order to reduce the buckling effect when the compressive force is applied.
  • the core material 10 and the reinforcement 20 are non-attached so that there is no direct coupling surface, so as to reinforce only the buckling of the core material 10, only by the mutual coupling of the two reinforcement 20, 20, the reinforcement 20 Is fixedly coupled to the outside of the core material (10).
  • the H-shaped steel used as the core material 10 is reinforced in the bidirectional direction of the flange 12 of the core material 10 so as to surround the outside in order to reinforce the cross section of a predetermined section in order to reduce the buckling effect when the compressive force is applied. ) Is configured.
  • the reinforcing material 20 has a c-shaped cross-section main body 21 having a predetermined length, a coupling portion 22 in which both ends of the main body 21 are bent at an outward right angle, and an outer end portion of the coupling portion 22. Is integrally formed with a reinforcing portion 23 extending at right angles to the outside.
  • the main body 21 of the reinforcing material 20 is configured in a U-shaped cross-sectional shape, so as to cover the flange portion of the core material 10.
  • the flange 12 of the core 10 is drawn into the concave portion of the main body 21, and both ends of the main body 21 are positioned at the center of the web 11 of the core 10.
  • Both ends of the reinforcing material 20 constitutes an engaging portion 22 having an outwardly bent shape, which is the contact of the reinforcing material 20 when the reinforcing material 20 is joined in both flange 12 directions of the core material 10.
  • the reinforcing material 20 is placed in a form in which the body 21 covers the flanges of the core material 10 on both sides, and combines the coupling portions 22 of the reinforcing material 20 facing each other by bolting, welding, or the like.
  • the coupling portion 22 and the reinforcing portion (23) is positioned on the weak axis of the core material 10 to reinforce the weak axis.
  • the coupling hole for the bolt coupling can be made to facilitate the coupling, and the two reinforcing materials 20 configured as described above are mutually provided at both sides of the flange 12 of the core material 10.
  • the coupling portions 22 and 22 of the facing reinforcement 20 and 20 are mutually interviewed, and the coupling portions 22 and 22 that are mutually interviewed are bolted together.
  • the reinforcing material 20 may be made of various materials such as steel, composite materials such as FRP, but the reinforcing material 20 can be easily formed by forming the material itself from aluminum because there are many bending parts. .
  • the reinforcement plate 30 is formed in a plate shape having a predetermined length and thickness between the outer surface of the flange 12 of the core material 10 and the inner surface of the body 21 of the reinforcement 20, the coupling of the reinforcement 20 It is possible to increase the cross-sectional area of the shaft that is not reinforced by the part 22 and the reinforcing part 23 to reinforce, and the core 10 is inserted between the coupling plates 43 and 43 so that the core 10 Since the coupling plate 43 is positioned outside the flange 12, the thickness of the reinforcing plate 30 and the thickness of the coupling plate 43 are the same so that the step is not formed when the reinforcing material 20 is coupled. It could be.
  • the reinforcement 23 is located and coupled, corresponding to the inside of the reinforcement 20 to facilitate assembly and to reduce the production cost without structural change of a separate reinforcement 20 to reinforce the steel shaft correspondingly. It is to configure the reinforcing plate (30).
  • the reinforcing plate 30 may apply a lubricant to one side or both sides so that slip occurs without being coupled with the core 10 and reinforcement of the shaft not reinforced by the coupling part 22 and the reinforcing part 23. To play a role.
  • Figure 4 is an exploded perspective view of the connection portion of the brace plate and the core of the present invention
  • Figure 5a is a perspective view of the coupling state of Figure 4
  • Figure 5b is a side cross-sectional view of the coupling state of FIG.
  • the core material 10 which is reinforced with the reinforcing material 20, forms a brace plate 40 at both ends to facilitate coupling with the beam 6 of the steel structure.
  • the brace plate 40 has a fixed plate 41 coupled to the beam 6 in a plate shape, and a vertical plate 42 formed by being coupled by a known method such as welding vertically from the fixed plate 41. ) And two coupling plates 43 are fitted to the upper portion of the vertical plate 42 to be coupled by a known method such as welding.
  • the fixing plate 41 is formed in a plate shape of a predetermined size to be fixed by bolting to the beam 6 by interviewing the beam 6, and can be used by drilling a bolt fastening hole if necessary.
  • the vertical plate 42 is coupled and fixed to be perpendicular to the fixed plate 41 in a plate shape. At this time, the vertical plate 42 may be formed in the center portion in the width direction of the fixing plate 41 and, if necessary, may be formed to be shifted to one side in the width direction center portion.
  • the coupling plate 43 is formed in a rectangular plate shape having a predetermined length and thickness, and the coupling plate 43 has one end in the longitudinal direction fitted to the vertical plate 42, and the other end in the longitudinal direction is outside the vertical plate 42. It is coupled to protrude to, in order to facilitate the coupling in one end of the longitudinal direction of the coupling plate 43 is cut to a certain distance in the longitudinal center portion so that the incision 431 is formed, the coupling plate on the vertical plate 42 The cutout 431 of 43 is fitted to be engaged by a known method such as welding.
  • the coupling plate 43 is inclined to be coupled to the fixed plate 41 to have a predetermined angle, so as to match the inclination direction of the core material 10 reinforced with the reinforcing material 20 and the reinforcing plate 30 core material 10 ) To facilitate the coupling and the compressive force to be smoothly transmitted from the brace plate 40 to the core material 10 to reduce the occurrence of buckling.
  • the core 10 is drawn between two coupling plates 43 and 43, and is configured such that the coupling plate 43 and the flange 12 are interviewed and consequently the coupling plate 43.
  • the cross-section of the coupling plate 43 is increased by the flange 12 to be superimposed on the () to have an effect that the coupling plate 43 is reinforced.
  • the vertical plate 42 is cut so that the end coupled to the coupling plate 43 to form a perpendicular to the coupling plate 43 to form a cutting surface 421.
  • the cutting surface 421 is formed as described above, the end of the web 11 of the core material 10 and the cutting surface 421 are not shifted and matched with each other so as to be easily interviewed and coupled to the core material 10. Buckling in the plate 43 can be prevented from occurring.
  • FIG. 6A is a perspective view of another embodiment of FIG. 5A
  • FIG. 6B is a side cross-sectional view of another embodiment of FIG. 5B.
  • the reinforcing member 20 configured as described above is coupled to the brace plate 40 at the end of the core member 10 such that the reinforcing member 20 is configured to be coupled to the central portion in the longitudinal direction except for both ends of the core member 10 as shown in FIGS. 5A and 5B.
  • the coupling plate 43 of the brace plate 40 may be inserted inwardly at both ends of the reinforcing material 20, such that the coupling plate 43 and the reinforcing material 20 are provided.
  • the flange 12 of the core material 10 can be configured to be formed overlapping.
  • the core material 10 since the web 11 is coupled to the vertical plate 42 by the cover plate 45, the core material 10 does not need to be separately coupled, but the coupling plate 43 and the core material inserted into the reinforcing material 20 ( 10 may be bolted to the flange 12 of the reinforcement 20 at the same time.
  • the coupling plate 43 when the coupling plate 43 is inserted into the reinforcing material 20 and reinforced, the core material 10 is inserted between the coupling plates 43 and 43 so that the flange 12 of the core material 10 ( 12 are interviewed with the coupling plates 43 and 43, respectively, so that the inner side of the reinforcing material 20 and the outside of the flange 12 of the core material 10 and the core material 10, the coupling plate 43 or reinforcing plate 30 Since is formed, the thickness of the reinforcing plate 30 and the thickness of the coupling plate 43 is formed to be the same so that no step is formed.
  • FIG. 7A is a perspective view of another embodiment of the reinforcement of the present invention
  • FIG. 7B is a plan view of another embodiment of the reinforcement of the present invention.
  • the reinforcement 20 is formed of a molded steel sheet or a bent steel sheet and is formed of one long member such as the core 10, the reinforcement 20 may be segmented in the longitudinal direction to facilitate transport and workability of the reinforcement 20. have.
  • the reinforcing material 20 is formed with a cutting surface 27 which is cut to one side from the central portion in the longitudinal direction is formed of two long first segment member (20a) and a short second segment member
  • a cutting surface 27 which is cut to one side from the central portion in the longitudinal direction is formed of two long first segment member (20a) and a short second segment member
  • the upper reinforcing member 20 sequentially arranges the second segment member 20b having a shorter length and the first segment member 20a having a longer length from the left side, and the lower reinforcing member 20. ),
  • the first segment member 20a having a long length and the second segment member 20b having a short length are arranged in this order, so that the cut surface 27 of the upper reinforcement 20 and the cut surface of the lower reinforcement 20 ( 27) do not match, staggered to combine.
  • a discontinuous surface may be formed at the cutting surface 27.
  • the cutting surface 27 itself is formed in a shape in which one side of the reinforcing material 20 protrudes and one side is recessed so that the first segment member 20a and the second segment member on the cutting surface 27. 20b can be configured to engage with each other.
  • the non-buckling brace for seismic reinforcement of steel structures of the present invention configured as described above can be fastened by bolting without using a coupling method such as welding by constructing a reinforcement to surround a core formed of H-shaped steel, such as power facilities. It can be installed very easily during operation, and reinforces the weak axis of the core web and expands the cross section of the core to improve the cross-sectional performance, so that buckling does not occur even during compression, inducing stable hysteretic behavior even in repeated loads such as earthquakes There is a very useful effect to increase the stability of the structure, and also, brace plate that is a connection between the core material and steel structure, which is easy to buckling and fracture during compression by configuring the brace plate to secure the reinforced core to match the behavior of the core material Very useful to avoid buckling during compression There is one effect.
  • Non-buckling braces for seismic reinforcement of steel structures of the present invention configure the reinforcement to surround the core formed of H-shaped steel to reinforce the weak axis of the core and expand the cross section of the core to improve the cross-sectional performance, and to fix the reinforced core
  • the brace plate is also a very useful invention for reinforcing braces of steel structures, such as power plants and plants, such that the buckling does not occur during compression.

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Abstract

La présente invention concerne une entretoise de renforcement d'une structure de charpente d'acier comprenant des colonnes et des poutres d'acier d'usines, d'installations importantes telles que des centrales électriques ou similaires, ainsi qu'une entretoise à flambage restreint pour réhabilitation sismique d'une structure de charpente d'acier, comprenant des contreforts conçus pour entourer un matériau d'âme, façonné en poutre en H, de manière à renforcer un axe faible du matériau d'âme et à dilater une section transversale du matériau d'âme, ce qui permet d'améliorer la performance de section transversale et d'empêcher le flambage d'une plaque d'entretoise fixant le matériau d'âme renforcé, même sous compression. Selon un mode de réalisation préféré de l'invention, l'entretoise de renforcement de la structure de charpente d'acier comprenant les colonnes et les poutres d'acier comprend : le matériau d'âme configuré en poutre en H comprenant une armature centrale et des brides formées verticalement aux deux parties d'extrémité de celle-ci ; deux contreforts dont chacun comprend un corps principal ayant une longueur prédéterminée et une section transversale en forme d'agrafe, des parties d'accouplement formées par flexion et extension des deux parties d'extrémité du corps principal dans une direction orientée vers l'extérieur à angle droit, et des parties de renforcement formées par extension les parties terminales extérieures des parties d'accouplement dans une direction orientée vers l'extérieur à angle droit, lesdits contreforts étant reliés mutuellement à partir des deux côtés des brides du matériau d'âme de manière à entourer la partie centrale longitudinale du matériau d'âme ; une plaque de renfort façonnée en forme de plaque ayant une longueur et une épaisseur prédéterminées, et qui est disposée entre la surface externe de la bride du matériau d'âme et la surface interne du corps principal du contrefort ; et la plaque d'entretoise comprenant une plaque de fixation en forme de plaque reliée à la poutre, une plaque verticale formée verticalement au niveau de la plaque de fixation, et une plaque d'accouplement, qui est formée en une forme de plaque ayant une longueur et une épaisseur prédéterminées, comprenant une fente découpée formée par découpage jusqu'à une distance prédéterminée à partir d'une partie d'extrémité longitudinale de celle-ci jusqu'à la partie centrale longitudinale de celle-ci, ladite fente découpée étant ajustée dans la partie supérieure de la plaque verticale et reliée à celle-ci de telle sorte que la plaque d'accouplement forme un angle prédéterminé avec la plaque de fixation, et deux plaques d'accouplement sont formées de façon à être espacées l'une de l'autre à une distance prédéterminée de manière à former une paire, de telle sorte que le matériau d'âme est inséré entre la paire de plaques d'accouplement, et l'armature du matériau d'âme et la plaque verticale sont accouplées par boulon par un gousset.
PCT/KR2015/001967 2014-10-29 2015-02-27 Entretoise à flambage restreint pour réhabilitation sismique d'une structure de charpente d'acier WO2016068401A1 (fr)

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KR1020140148660A KR101670548B1 (ko) 2014-10-29 2014-10-29 철골구조물 내진 보강용 비좌굴 가새
KR10-2014-0148660 2014-10-29

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US20170145686A1 (en) * 2015-11-23 2017-05-25 Korea Electric Power Corporation Seismic reinforcing device
CN108756411A (zh) * 2018-05-30 2018-11-06 长江大学 树状柱的偏心支撑结构
JP2019132046A (ja) * 2018-01-31 2019-08-08 三菱日立パワーシステムズ株式会社 連結部材、構造物及び構造物の接続方法
US20200011051A1 (en) * 2017-07-25 2020-01-09 Shandong University Buckling-restrained brace with flat energy dissipation element, building and assembly method
CN111287368A (zh) * 2020-02-19 2020-06-16 上海鼎美幕墙工程技术有限公司 一种高强度铝板幕墙的施工工艺
US10988952B2 (en) * 2017-07-25 2021-04-27 Shandong University Buckling-restrained brace containing L-shaped energy dissipation element, building and assembly method

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KR101820343B1 (ko) 2016-12-20 2018-01-19 김창원 하중 보강용 브레이스
JP6941467B2 (ja) * 2017-04-10 2021-09-29 株式会社竹中工務店 ダンパー、及びダンパーの製作方法
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