WO2004076761A1 - 梁継手装置 - Google Patents
梁継手装置 Download PDFInfo
- Publication number
- WO2004076761A1 WO2004076761A1 PCT/JP2004/002372 JP2004002372W WO2004076761A1 WO 2004076761 A1 WO2004076761 A1 WO 2004076761A1 JP 2004002372 W JP2004002372 W JP 2004002372W WO 2004076761 A1 WO2004076761 A1 WO 2004076761A1
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- WO
- WIPO (PCT)
- Prior art keywords
- splice plate
- joint device
- plate
- flange
- beam joint
- Prior art date
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Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- 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
- E04H9/024—Structures with steel columns and beams
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2442—Connections with built-in weakness points
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2448—Connections between open section profiles
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2454—Connections between open and closed section profiles
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2457—Beam to beam connections
Definitions
- the present invention relates to a beam joint device for connecting a beam to a column of a steel building.
- Japanese Unexamined Patent Publication No. 2000-0-144091 discloses a splice plate 100 shown in FIG. 16 for connecting a column flange and a beam flange of a steel frame building. Is disclosed.
- a splice plate 100 includes a plate member 102 formed with a narrow width at the center portion, and the plate member 102 has an interval in the axial direction of the beam.
- a pair of stiffening ribs 106 arranged in the above are fixed.
- a portion between the pair of stiffening ribs 106 is a plasticized portion 108.
- the plate member 102 is fastened to the column flange (not shown) and the beam flange (not shown) by bolts (not shown).
- Bolt holes 104 are formed.
- the plate member 102 is formed by welding the stiffening rib 106 to the plate member 102.
- the stiffening rib 106 is welded to the plate member 102
- the plate member 102 is formed by welding the stiffening rib 106 to the plate member 102.
- it is affected by heat, and its mechanical properties such as yield point, tensile strength and toughness decrease (Problem 2). Therefore, for example, due to the repeated load during an earthquake, the plate member 102 becomes fatigued along the welding line and easily breaks at an early stage. Further, stress concentrates on the plate member 102 along the welding line, and the fracture easily proceeds from the welding line (problem 3).
- Japanese Patent Application Laid-Open No. 2000-144091 discloses a beam joint device 110 having a buckling prevention member 116 as shown in FIG.
- the beam joint device 110 passes through the bolts (not shown) through the bolt holes 1 1 4 and 1 1 8 formed in the spliced plate 1 1 2 and the buckling prevention member 1 16 and the column flange (not shown). ) And beam flanges (not shown). Therefore, as compared with the beam joint device 100 of FIG. 16, the buckling prevention member 116 must be attached to the column flange and the beam flange (not shown). The number of assembling steps increases (Problem 4).
- the buckling prevention member 116 is attached at the same time. Since the buckling prevention member 1 16 cannot be mounted after the mounting, the degree of freedom in mounting is reduced. In addition, since the buckling prevention member 1 16 is directly attached to the splice plate 112, the gap between the buckling prevention member 116 and the plasticized portion of the splice plate 112 is limited to a structure such as a building. Strange It changes depending on the shape, and the gap cannot be kept constant
- the buckling prevention member independent of the splice plate is attached to the spliced plate at the plasticized portion of the splice plate without attaching the stiffening rib to the splice plate as in the related art.
- An object of the present invention is to provide a beam joint device that solves at least the problems of the conventional technology described above.
- a beam joint device for joining a flange of a beam to a flange attached to a column, wherein the spliced plate is fastened to the flange of the column and the beam, and has a plasticized portion at a central portion thereof.
- a buckling prevention member that is attached to the splice plate to prevent buckling of the plasticized portion and is independent of the splice plate; and prevents the buckling prevention member and the splice plate from adhering. Therefore, there is provided a beam joint device including an adhesion preventing means disposed between the splice plate and the buckling preventing member.
- the length of the plasticized portion of the splice plate can be freely set, if the plasticized portion is to be yielded quickly against the load during an earthquake, the length of the plasticized portion should be shortened and plasticized. If the part is to be yielded late, it may be lengthened, and the yielding timing can be adjusted by the length of the plasticized part, greatly increasing the degree of freedom in design.
- the buckling prevention member is provided with spliced plate width direction deformation preventing means for preventing buckling deformation of the spliced plate in the width direction, so that the spliced plate can be seated in the thickness direction of the plasticized portion. In addition to preventing bending, excessive deformation in the width direction can be prevented.
- the buckling preventing member can be arranged so as to always maintain a constant clearance with respect to the plasticized portion of the splice plate, and a stable buckling preventing effect can always be obtained.
- FIG. 1 is a side view showing a beam joint device according to a first embodiment of the present invention.
- FIG. 2 is a longitudinal sectional front view of the beam joint device cut at a plasticized portion of a splice plate according to the first embodiment.
- FIG. 3 is an exploded perspective view of the beam joint device according to the first embodiment of the present invention.
- FIG. 4A is a plan view of the first spliced plate.
- FIG. 4B is a plan view of the second splice plate.
- FIG. 4C is a plan view of the third splice plate.
- FIG. 4D is a plan view of the fourth splice plate.
- FIG. 5A is a perspective view of the first buckling prevention member viewed from below.
- FIG. 5B is a perspective view of the first buckling prevention member as viewed from above.
- FIG. 6 is a side view showing a beam joint device according to a second embodiment of the present invention.
- FIG. 7 is a longitudinal sectional front view of the spliced plate according to the second embodiment, which is cut at a plasticized portion.
- FIG. 8 is an exploded perspective view of the beam joint device according to the second embodiment of the present invention.
- FIG. 9A is a perspective view of a first buckling prevention member according to another example viewed from below.
- FIG. 9B is a top perspective view of a first buckling prevention member according to another example.
- FIG. 10A is a plan view of a first splice plate according to another example.
- FIG. 10B is a plan view of a first splice plate according to still another example.
- FIG. 10C is a plan view of a first splice plate according to still another example.
- FIG. 10D is a plan view of a first splice plate according to still another example.
- FIG. 11 is a side view of a beam joint device according to a third embodiment of the present invention.
- FIG. 12 is a longitudinal sectional front view of a beam joint device cut at a plasticized portion of a splice plate according to a third embodiment.
- FIG. 13 is an enlarged sectional view of a portion indicated by A in FIG.
- FIG. 14A is a bottom view of the beam joint device according to the third embodiment viewed from below.
- FIG. 14B is an enlarged plan view of a portion indicated by B in FIG. 14A.
- FIG. 15 is a side view showing an example in which the beam joint device of the present invention is applied to a split T-type column flange.
- FIG. 16 is a perspective view showing an example of a spliced plate according to the related art.
- FIG. 17 is a perspective view showing another example of the spliced plate according to the related art.
- the beam 1 is connected to a vertical column 5 from the building foundation (not shown).
- the beam 1 has a vertically arranged web 4, a lower flange 2 integrally formed along a lower edge of the web 4, and an upper flange 8 integrally formed along an upper edge of the web 4. Is provided.
- the column 5 is provided with upper and lower flanges 7, 6 spaced apart along the column 5 at a distance substantially equal to the distance between the upper and lower flanges 8, 2 of the beam 1.
- the portion indicated by a two-dot chain line with reference numeral 29 is a floor slab.
- a pair of bolt holes 3 extending in the axial direction of the beam 1 are provided symmetrically about the web portion 4.
- the port holes 3 are preferably formed at the same position in the axial direction of the beam 1.
- the lower flange 2 of the beam 1 is fastened to the lower flange 6 of the column 5 by the first and second splinter plates 9 and 9 'as beam joint members.
- the first and second splice plates 9, 9 ′ are fastened to the lower flange 6 of the column 5 and the lower flange 2 of the beam 1 by bolts 16.
- Pillar 5 The lower flange 6 and the lower flange 2 of the beam 1 are provided with a plurality of bolt holes 19, 18 for passing the bolts 16.
- the upper flange 8 of the beam 1 is fastened to the upper flange 7 of the column 5 by the third and fourth splash plates 30, 30 ′ as beam joint members.
- the third and fourth splice plates 30, 30 ′ are fastened to the upper flange 7 of the column 5 and the upper flange 8 of the beam 1 by bolts 31.
- a plurality of port holes (not shown) for passing the bolts 31 are formed in the upper flange 7 of the column 5 and the upper flange 8 of the beam 1.
- the first splice plate 9 is arranged on the lower surface of the lower flange 2 of the beam 1 and the lower flange 6 of the column 5.
- the first splinter plate 9 is formed of a rectangular plate member, and a pair of long holes 10 are formed in a central portion of the first splinter plate 9 in the longitudinal direction. I have.
- the pair of elongated holes 10 are formed so that when the first splice plate 9 is attached to the lower flange 2 of the beam 1, the first splice plate 9 vertically overlaps the bolt holes 3 of the lower flange 2.
- the first splice plate 9 has a plurality of port holes 28 corresponding to the bolt holes 18 and 19 of the lower flange 2 of the beam 1 and the lower flange 6 of the column 5.
- the cross-sectional area of the first splice plate 9 including the long hole 10 in the longitudinal center region crossing the first splice plate 9 is formed.
- the yield strength becomes lower in this region than in other portions, and this region becomes the plasticized portion 11 of the first splice plate 9.
- the second splice plate 9 ′ is arranged on the upper surface of the lower flange 2 of the beam 1 and the lower flange 6 of the column 5.
- the second splice plate 9 ′ is formed of a rectangular plate member, and A single elongated hole 10 'is formed in the central portion in the longitudinal direction of the price plate 9'.
- a plurality of bolt holes 2 8 ′ are formed in the second spliced plate 9 ′ corresponding to the bolt holes 18, 19 of the lower flange 2 of the beam 1 and the lower flange 6 of the column 5. ing.
- the long hole 10 ′ vertically overlaps each of the pair of bolt holes 3 of the lower flange 2 when each of the second spliced plates 9 ′ is attached to the lower flange 2 of the beam 1.
- the elongated hole 10 ′ causes the central region in the longitudinal direction of the second splice plate 9 ′ including the elongated hole 10 ′ to have a cross-sectional area transverse to the second splice plate 9 ′. As the area becomes smaller, the yield strength becomes lower in this region than in other portions, and this region becomes the plasticized portion 11 'of the second splice plate 9'.
- the third splice plate 30 is arranged on the upper surface of the upper flange 8 of the beam 1 and the upper flange 7 of the column 5.
- the third splinter plate 30 is made of a rectangular plate member and corresponds to the port holes (not shown) of the upper flange 8 of the beam 1 and the upper flange 7 of the column 5.
- a plurality of port holes 32 are formed.
- the third splice plate 30 does not have a plasticized portion.
- the fourth splice plate 30 ′ is arranged on the lower surface of the upper flange 8 of the beam 1 and the upper flange 7 of the column 5.
- the fourth splice plate 30 ′ is made of a rectangular plate member and corresponds to the port holes (not shown) of the upper flange 8 of the beam 1 and the upper flange 7 of the column 5.
- a plurality of bolt holes 32 ' are formed.
- the fourth spray plate 30 ' also has no plasticized portion.
- the upper flange 8 of the beam 1 and the upper flange 7 of the column 5 connect the third and fourth splice plates 30, 30 ′ without plasticized parts.
- the third and fourth splice plates 30 and 30 ' are connected to each other through a vertical shear force.
- the third and fourth splice plates 30 and 30 ′ may have stiffening lips 20 and 20 ′ as shown by a two-dot chain line in FIG.
- the first and second spliced plates 9 and 9 'and the third and fourth spliced plates 30 and 30' are preferably made of steel having a low yield point, but other known materials are used. Can be used as appropriate.
- the beam joint device further includes a rectangular thick steel plate for preventing buckling of the plasticized portions 11 and 11 ′ of the first and second splice plates 9 and 9 ′.
- the first and second buckling prevention members 13 and 13 / are provided.
- the first buckling prevention member 13 is disposed on the lower surface of the first splice plate 9 so as to overlap the plasticized portion 11, and a sheet made of synthetic rubber or the like is provided between the two to prevent adhesion.
- a first anti-adhesion layer 14 formed of a film is interposed.
- the first splinter plate 9 is prevented from adhering to the first buckling prevention member 13.
- adheresion means a state in which the spliced plate and the buckling prevention member cannot move relative to each other due to a frictional force.
- the second buckling prevention member 13 ′ is arranged on the upper surface of the second spliced plate 9 ′ so as to overlap the plasticized portion 11 ′, and a composite is formed between the two as an adhesion preventing means.
- a second anti-adhesion layer 14 ′ formed from a sheet or film made of rubber or the like is interposed.
- the first buckling prevention member 13 is made of the same material as the first splice plate 9, the first buckling prevention member 13 is made to have a higher bending rigidity than the first splice plate 9. As shown in FIG. 5B, a steel plate thicker than the first splice plate 9 is used.
- the first buckling prevention member 13 is composed of a rectangular plate member 21, and the plate member 21 is formed with a long hole 10, 10 ′ of the first and second splice plates 9, 9 ′. It has four bolt holes 15 arranged to overlap.
- the first adhesion preventing layer 14 is attached to one side surface of the plate member 21 in advance.
- the second buckling prevention member 13 ′ is formed of a rectangular plate member, and each of the pair of elongated holes 10 of the first splinter plate 9 and the elongated hole 1 of each of the second spliced plates 9 ′. 0 Porto holes formed in correspondence with f (not shown) or has a long hole (not shown). It is preferable from the viewpoint of construction that the second adhesion preventing layer 14 ′ is also attached to one side surface of the plate member 21 in advance.
- the first splice plate 9 is arranged on the lower surface of the lower flange 2 of the beam 1 and the lower flange 6 of the column 5.
- Two second spliced plates 9 ′ are arranged on both sides of the web 4 of the beam 1 on the upper surface of the lower flange 2 and on the upper surface of the lower flange 6 of the column 5.
- the third splice plate 30 is arranged on the upper surface of the upper flange 8 of the beam 1 and on the upper surface of the upper flange 7 of the column 5.
- Two fourth splice plates 30 ′ are arranged on both sides of the web 4 of the beam 1 on the lower surface of the upper flange 8 and on the lower surface of the upper flange 6 of the column 5.
- the first to fourth spliced plates 9, 9 ′, 30, 30 ′ thus arranged pass through bolts 16 such as high-strength ports through the respective bolt holes, and pass through the ports 16.
- bolts 16 such as high-strength ports through the respective bolt holes
- the bolt hole 3 of the lower flange 2 of the beam 1 and the long holes 10 and 10 'of the first and second splice plates 9 and 9' are at the same vertical position. It is arranged so that.
- the first buckling prevention member 13 is disposed on the plasticized portion 11 on the lower surface of the first splinter plate 9.
- the second buckling prevention member 13 ′ is arranged on the plasticized portion 11 ′ on the upper surface of each of the second splice plates 9 ′.
- the first and second seats are formed by passing a port 17 through a port hole 15 ′ of the 0 ′ and second buckling prevention member 13 ′ and screwing a nut therewith.
- the anti-buckling members 13, 13 ' are attached to the plasticized portions 11, 11' of the first and second splice plates 9, 9 '.
- the first and second buckling prevention members 13 and 13 ′ are connected to the first and second splice plates 9 and 9 by the first and second anti-adhesion layers 14 and 14 ′. , 9 'is prevented from coming into direct contact.
- the first and second buckling prevention members 13, 13 are formed when the plasticized portions 11, 11 ′ of the first and second splice plates 9, 9 ′ undergo plastic deformation.
- the first and second anti-adhesion layers 14 and 14 ′ are used when the plasticized portions 11 and 11 ′ of the first and second splice plates 9 and 9 ′ are subjected to compressive loads. Absorb swelling.
- the rigidity of the first and second buckling prevention members 13 and 13 ' is not transmitted to the plasticized portions 11 and 11'. Therefore, the load and the secondary stiffness after the plasticized portions 11 1 and 1 1 ′ are plasticized do not increase sharply, and only the rigidity and the load of the plasticized portions 11 1 and 11 ′ are designed. Should be considered.
- the plasticized portions 11 and 11 ' are compressed and expanded, the rigidity of the plasticized portions 11 and 11' due to contact with the first and second buckling prevention members 13 and 13 ' The rise in load can be suppressed.
- the first and second seats A space (clearance) may be provided between the buckling prevention members 13 and 13 'and the first and second spliced plates 9 and 9'.
- a space (clearance) is provided between the first and second buckling prevention members 13 and 13 'and the first and second spliced plates 9 and 9'.
- Forming ribs (not shown) and abutting portions (not shown) can be provided on the first and second buckling prevention members 13 and 13 '.
- the first and second buckling prevention members 1 3 , 1 3 ' are separate members from the first and second splice plates 9 and 9 ′ and the lower flange 6 of the column 5, and 1 Bolt holes 3 in lower flange 2 and slots 10, 10 ′ in first and second spliced plates 9, 9 ′ allow first and second spliced plates 9, 9 ′ On the other hand, it is relatively movable in the axial direction.
- FIGS. 6 to 9B A second embodiment of the present invention will be described with reference to FIGS. 6 to 9B. Note that this embodiment is different from the first embodiment only in the shape of the first and second buckling prevention members, and the other parts are configured in the same manner as the first embodiment. Therefore, description of the same components will be omitted, and only different portions will be described.
- the first buckling prevention member 13 is formed integrally with a rectangular plate member 21 and both edges of the plate member 21. Flange 22.
- the plate member 21 has four bolt holes 15 arranged corresponding to the port holes 3 of the lower flange 2 of the beam 1. Also in this example, it is preferable from the viewpoint of construction that the first adhesion preventing layer 14 is previously attached to one side surface of the plate member 21.
- the plate member 21 prevents the first splice plate 9 from buckling in the thickness direction, and the flange 22 mainly prevents the first splice plate 9 from buckling in the width direction.
- the inner part 22 a of the flange 22 is spaced apart from the first spliced plate 9 by a distance slightly larger than the width dimension of the plasticized part 11 of the first split plate 9,
- the present invention provides a splice plate width direction deformation preventing means for improving the bending rigidity of the first splice plate and preventing the first splice plate 9 from buckling in the width direction.
- the outer portion 22b of the flange 22 increases the bending rigidity of the plate member 21. Therefore, the portions 22a and 22b of the flange 22 do not need to be arranged in the same vertical plane because their actions are different. However, as shown in FIGS. 9A and 9B, arranging them in the same vertical plane simplifies the shape of the first buckling prevention member 13 and reduces the manufacturing cost. Can be.
- the portion 22 a of the flange 22 as the spliced plate width direction deformation preventing means is appropriately provided with the buckling preventing member 13 according to the shape of the spliced plate 9. It is also possible to provide them partially in the longitudinal direction.
- the second buckling prevention member 13 ′ arranged on the upper surface of the lower flange 2 of the beam 1 is wider than the first buckling prevention member 13 shown in FIGS. 9A and 8B in the width direction.
- the difference is that the dimensions are smaller and the number of bolt holes is two, but the other configuration is the same as in the case of the description of FIGS. 9A and 8B, so detailed illustration is omitted.
- FIGS. 10A to 10D show other examples of the first splice plate 9.
- a pair of cutouts 12 cut out inward from both longitudinal edges of the first splinter plate 9 are provided outside the elongated hole 10.
- the first splice plate 9 has a notch 12 ′ deeply formed to include the long hole 10 as shown by a two-dot chain line d in FIG. 10A. Have.
- no independent long holes 10 are formed as shown in FIGS. 4A and 10A.
- a pair of trapezoidal cutouts 12 ⁇ which are cutout inward from both longitudinal ends of the first splice plate 9 are provided.
- a plasticized portion 11 is formed between the notched portions 12 ".
- a wide portion having a long hole 10 for mounting a buckling prevention member 13 on both axial sides of the plasticized portion 11 is formed.
- the first buckling prevention member 13 has a protruding portion 31 protruding in a trapezoidal shape on the inner side in the width direction.
- the first buckling prevention member 13 is (1) arranged only in the lower flange 2 of the beam 1, (2) arranged in the lower flange 6 of the column 5, (3) A configuration is possible in which the lower flange 2 of the beam 1 and the lower flange 6 of the column 5 are arranged.
- FIG. 10D is a modified example of FIG. 10C, in which a wide portion having a long hole 10 for attaching a buckling prevention member 13 is provided on both sides in the axial direction of the plasticized portion 11. At the same time, the width of the wide portion extends to the mounting portion having the bonole hole 28. In this case, the diameter of the bolt hole 28 should be smaller than the diameter of the long hole 10 so that the mounting portion does not break.
- one second spliced plate 9 ′ is arranged on one side of the lower flange 6 of the column 5 and the front and back (upper and lower surfaces) of the lower flange 2 of the beam 1, and on the outside thereof, A configuration in which one buckling prevention member 13 is provided may be adopted.
- the buckling prevention member 13 is attached to the plasticized portion 11 of the splice plate 9, the buckling prevention member 13 is a short member.
- the first and second splice plates 9 and 9 ′ having the plasticized portions 11 1 and 11 ′ are connected to the lower flange 6 of the column 5 and the lower flange 2 of the beam 1.
- the example used for the connection has been described.
- the first and the second having plasticized portions 11 and 11 ' Second splice plates 9, 9 ' may be used.
- the pillar 5 includes a vertically provided web 42, a lower flange 44 integrally formed along a lower portion of the work piece 42, and an upper edge of the web 42.
- An H-shaped bracket 40 having an upper flange 46 integrally formed therewith is attached, and the beam 1 is connected to the H-shaped bracket 40. More specifically, the lower flange 2 of the beam 1 is connected to the lower flange 44 of the H-shaped bracket 40 via the first splice plate 50, and the upper flange 8 of the beam 1 is connected to the lower flange 4 of the beam 1.
- the upper flange 46 of the H-shaped bracket 40 via the third and fourth splice plates 30, 30 ′ having the stiffening ribs 20, 20 f described in the first embodiment. Is combined with Note that, in the present embodiment, the above-described second splice plate is not used.
- the first splice plate 50 has substantially the same configuration as the first splice plate 9 shown in FIG. 10B, and is formed from both longitudinal edges of the first splice plate 50.
- a pair of trapezoidal cutouts 50a cut out on the inside are provided, and a plasticized portion 51 is formed between the cutouts 50a.
- a buckling prevention member 52 is disposed so as to be superimposed on the plasticized portion 51 of the first splice plate 50, and a sheet member or a film member made of synthetic rubber or the like is provided as an adhesion preventing means between the two. From The anti-adhesion layer 14 to be formed is interposed.
- the first splice plate 50 is disposed on the lower surface of the lower flange 2 of the beam 1 and the H-shaped bracket 40 of the column 5.
- the third splice plate 30 is arranged on the upper surface of the upper flange 8 of the beam 1 and on the upper surface of the upper flange 46 of the H-shaped bracket 40.
- the first, third and fourth spliced plates 50, 30 and 30 'arranged as described above are passed through ports 60 and 62 such as high carbonoleto through respective bolt holes, and By screwing nuts to 60 and 62, lower flange 2 of beam 1 and H-shaped bracket 40 Lower flange 4 4 and upper flange 8 of beam 1 and H-shaped bracket 40 Fastened to the upper flange 46, which connects the beam 1 to the column 5.
- the buckling prevention member 52 is disposed on the plasticized portion 51 on the lower surface of the first splice plate 50.
- the port 63 is inserted into the bolt hole 3 of the buckling prevention member 52, the bolt hole 3 of the lower flange 1 and the beam 2 of the buckling prevention member 52, and the nut is screwed into this to buckle.
- the prevention member 52 is attached to the plasticized portion 51 of the first splice plate 50.
- the bolt 63 is positioned immediately away from the side surface of the plasticized portion 51 with a small distance capable of contacting the side surface. (See Figure 12). This prevents or limits the deformation of the plasticized portion 51 in the width direction.
- the port 63 may be in contact with the side surface of the plasticized portion 51 in a state where the plasticized portion 51 is not plastically deformed. The point is that when the plasticized portion 51 is plastically deformed, the side surface thereof contacts the port 63 and deformation in the width direction is limited.
- an annular member 64 is provided around the bolt 63 to prevent the side of the plasticized portion 51 from directly contacting the side of the bolt 63. You may.
- the length of the annular member 64 along the longitudinal direction of the port 63 slightly longer than the thickness of the plasticized portion 51, the surface of the opposing splice plate 50 and the buckling prevention member are formed. A space is formed with the surface of 52. This space prevents the plasticized portion 51 from being pressed by the buckling prevention member 52 and being attached to the buckling prevention member 52 when the plasticized portion 51 is plastically deformed. Acts as a means.
- the upper flange 46 of the column 5 and the upper flange 8 of the beam 1 are connected to the third and fourth split plates 3 having the stiffening ribs 20 and 20 ′. 0, 30 '.
- the stiffening ribs 20 and 20 ' carry the shearing force acting on the third and fourth splice plates 30 and 30'.
- the web 42 of the H-shaped bracket 40 and the web 4 of the beam 1 do not need to be connected by a splice plate (not shown).
- the upper and lower flanges 7 and 6 of the first and second embodiments described above may be used as the upper and lower flanges 46 and 44 of the H-shaped bracket of the third embodiment.
- the upper and lower flanges 46, 44 of the H-shaped bracket of the third embodiment may be the upper and lower flanges 7, 6 of the first and second embodiments.
- the upper and lower flanges of the column may be formed by split T members 70 and 72 such as cut T-section steels as shown in FIG.
- the adhesion preventing means includes A lubricant applied to one of the surface of the buckling prevention member and the surface of the buckling prevention member or a coating film formed on the surface can be used.
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- Engineering & Computer Science (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
- Vibration Dampers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/546,108 US20060144006A1 (en) | 2003-02-28 | 2004-02-27 | Beam joint device |
HK06106014A HK1086050A1 (en) | 2003-02-28 | 2006-05-25 | Beam joint device |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-054088 | 2003-02-28 | ||
JP2003054088 | 2003-02-28 | ||
JP2004046460A JP4376088B2 (ja) | 2003-02-28 | 2004-02-23 | 梁継手構造 |
JP2004-046460 | 2004-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004076761A1 true WO2004076761A1 (ja) | 2004-09-10 |
Family
ID=32929666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/002372 WO2004076761A1 (ja) | 2003-02-28 | 2004-02-27 | 梁継手装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060144006A1 (ja) |
JP (1) | JP4376088B2 (ja) |
HK (1) | HK1086050A1 (ja) |
TW (1) | TWI237082B (ja) |
WO (1) | WO2004076761A1 (ja) |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103015534A (zh) * | 2012-12-14 | 2013-04-03 | 金天德 | 矩形钢管混凝土柱与钢梁的侧向连接节点 |
CN104196127A (zh) * | 2014-08-20 | 2014-12-10 | 中冶建筑研究总院有限公司 | 一种屈曲约束支撑法兰式安装结构及其安装和调制方法 |
CN104196127B (zh) * | 2014-08-20 | 2016-03-23 | 中冶建筑研究总院有限公司 | 一种屈曲约束支撑法兰式安装结构及其安装和调制方法 |
CN105569204A (zh) * | 2016-02-01 | 2016-05-11 | 中国地震局工程力学研究所 | 一种可更换的梁柱节点地震损伤控制装置 |
CN105569204B (zh) * | 2016-02-01 | 2018-05-18 | 中国地震局工程力学研究所 | 一种可更换的梁柱节点地震损伤控制装置 |
CN106320517B (zh) * | 2016-11-01 | 2019-12-03 | 华南理工大学 | 震后可替换的上端悬挂式钢框架耗能梁柱节点 |
CN106320517A (zh) * | 2016-11-01 | 2017-01-11 | 华南理工大学 | 震后可替换的上端悬挂式钢框架耗能梁柱节点 |
US20180347172A1 (en) * | 2017-08-19 | 2018-12-06 | Mohammad Ramezani | Moment-resisting frame |
US10626595B2 (en) * | 2017-08-19 | 2020-04-21 | Mohammad Ramezani | Moment-resisting frame |
US11072938B2 (en) * | 2019-09-13 | 2021-07-27 | Simpson Strong-Tie Company Inc. | Structural fuse with integral spacer plates |
US11795721B2 (en) | 2019-09-13 | 2023-10-24 | Simpson Strong-Tie Company Inc. | Structural fuse with integral spacer plates |
CN111705925A (zh) * | 2020-07-02 | 2020-09-25 | 王柏彰 | 一种建筑钢结构预制件 |
CN112482602A (zh) * | 2020-12-04 | 2021-03-12 | 上海赛弗工程减震技术有限公司 | 防屈曲耗能支撑 |
Also Published As
Publication number | Publication date |
---|---|
US20060144006A1 (en) | 2006-07-06 |
JP2004278293A (ja) | 2004-10-07 |
TWI237082B (en) | 2005-08-01 |
JP4376088B2 (ja) | 2009-12-02 |
HK1086050A1 (en) | 2006-09-08 |
TW200426281A (en) | 2004-12-01 |
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