JP4368504B2 - Vibration control device for column beam frame - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vibration damping device, and more specifically, a column material standing in the vertical direction and a large number of columns are arranged in the front and rear, left and right, and a large number of beam members are installed in the vertical direction between two adjacent column materials. In a building that forms a rectangular column beam structure that is vertically continuous with two column members and two upper and lower beam members, it exerts a damping function against external forces such as earthquakes and controls the structure The present invention relates to a vibration damping device that performs
[0002]
[Prior art]
A high-rise building, a high-rise building that is composed of a large number of column members standing in the vertical direction and a large number of beam members extending in the vertical direction between two adjacent column materials to form a large number of rectangular column beam structures in the vertical direction Towers are known, and when an external vibration force such as an earthquake acts on these structures, or when strong winds act, the entire structure swings or a bending moment is generated in the column material, causing the upper part of the structure to bend. Such problems occur. For this reason, a vibration damping device that combines a brace and an attenuator composed of an oil damper, etc., has been installed on the rectangular column beam structure in the past so as to attenuate external forces such as earthquakes so as to prevent structural vibrations and the like. Yes. As this vibration damping device, for example, those disclosed in Japanese Patent Laid-Open Nos. 2000-54667 and 5-31920 have been developed.
[0003]
For example, as shown in FIG. 6, these vibration damping devices have a large number of column members 1, 1 standing in the vertical direction, arranged in the front-rear and left-right directions, and along the vertical direction between two adjacent column members 1, 1. A large number of beam members 2 and 3 are installed to form a rectangular frame structure 4 having a rectangular frame structure which is vertically continuous with two column members 1 and 1 and two upper and lower beam members 2 and 3. Attenuator 12 in which a brace 10 and an attenuator 11 are connected in series is arranged on a diagonal line in one column beam frame 4. Both ends of the damping device 12 are coupled to the crossing portions A and B of the column members 1 and 1 and the beam members 2 and 3 via spherical bearings 13 and 13 and gusset plates 17 and 17, respectively. The attenuator 11 is composed of, for example, a cylinder and a piston rod movably inserted into the cylinder via a piston, and the outer end of the piston rod is coupled to the crossing part A via the spherical bearing 13, and one end of the brace 10 is connected to the cylinder. Coupled in series, the other end of the brace 10 is coupled to the intersection B via a spherical bearing 13.
[0004]
[Problems to be solved by the invention]
In the damping device composed of the brace and the attenuator, the brace and the attenuator are preferably formed to have a large diameter in order to increase rigidity, improve durability, and further improve the damping function.
[0005]
However, when the diameter of the brace and the attenuator is increased, the diameter of the brace and the attenuator become thicker in the radial direction. In a narrow wall space or the like, the side surface of the attenuation device interferes with the wall surface and cannot be attached.
[0006]
Accordingly, an object of the present invention is to provide a vibration damping device for a column beam frame using a damping device that can improve rigidity, durability, and a damping mechanism without increasing the diameter in the radial direction.
[0007]
[Means for Solving the Problems]
In order to achieve the above object, one means of the present invention is to arrange a large number of column members standing in the longitudinal direction in the front and rear, left and right, and lay a large number of upper and lower beam members between two adjacent column members, A column beam structure comprising two column members and two upper and lower beam members that are continuous in the vertical direction, and a damping device in which an attenuator and a brace are connected in series are arranged in the column beam frame. In a damping system for beam frames, a single attenuator consisting of a single oil damper and a single brace are connected in series to form a single attenuator. In parallel, both ends of each single damping device are integrally coupled to a common single bracket, and these brackets are coupled to gusset plates via spherical bearings or pins, respectively. Through both ends of the entire damping device in the column beam frame It is made to couple | bond with.
[0008]
In this case, a gusset plate is provided at the intersection of the column material and the beam material, the damping device is arranged diagonally in the column beam frame, and each bracket is coupled to the gusset plate via a spherical bearing or a pin, respectively. Also good.
[0009]
Similarly, the other means is that a large number of column members 1 standing in the longitudinal direction are arranged in the front and rear, left and right, and a large number of upper and lower beam members are installed between two adjacent column members. In the vibration damping device for a column beam frame, a column beam frame that is vertically continuous with the beam material of the book is arranged, and an attenuation device in which an attenuator and a brace are connected in series is arranged in the column beam frame. A single attenuator consisting of a single oil damper and a single brace are connected in series to form a single attenuator, and this single attenuator is provided in parallel along multiple longitudinal directions. Both ends of the damping device are integrally joined to a common single bracket, gusset plates are provided at the upper intersections of the two column members and the upper beam member 2, and the other is placed in the middle of the lower beam member. Gusset plates, and the two crossover side gusset plates and the beam 3 side gusset plate A pair of attenuating devices disposed in a direction opposite to each other between the base plate and the plate plate are coupled via the bracket .
[0010]
Similarly, another means is to arrange a large number of column members standing in the longitudinal direction in the front and rear, left and right, and install a number of upper and lower beam members between two adjacent columns, In the vibration damping device for a column beam frame, a column beam frame that is vertically continuous with the beam material of the book is arranged, and an attenuation device in which an attenuator and a brace are connected in series is arranged in the column beam frame. A single attenuator consisting of a single oil damper and a single brace are connected in series to form a single attenuator, and this single attenuator is provided in parallel along multiple longitudinal directions. Both ends of the damping device are integrally joined to a common single bracket, and the upper ends of the front K-shaped braces are joined to the two upper intersections between the two column members and the upper beam member, On the other side, a gusset plate is provided at the lower crossing of the column and the lower beam, and the bottom of the K-shaped brace Be that horizontally coupled to form a damping device via the respective bracket between said gusset plate is characterized in.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
[0012]
1 to 3 show a damping device according to an embodiment of the present invention and a vibration damping device in a column beam frame using the damping device.
That is, the embodiment corresponding to the invention of each claim is such that a large number of column members 1 standing in the longitudinal direction are arranged in the front and rear, left and right, and a large number of upper and lower beam members between two adjacent column members 1 and 1. 2 and 3 are constructed, and the two column members 1 and 1 and the two upper and lower beam members 2 and 3 constitute a column beam frame 4 that is continuous in the vertical direction. This is a vibration damping device in the column beam frame 4 in which a damping device connected in series with the brace 20 is disposed.
In the embodiment of FIG. 1 corresponding to the invention of claim 1, a single attenuator 22a is configured by connecting an attenuator 21a composed of a single oil damper and a single brace 20a in series. The single damping device 22a is provided in parallel along a plurality of longitudinal directions, and both ends of each single damping device 22a are integrally coupled to a common single bracket 24, 24, respectively. 24 and 24 are coupled to gusset plates 26 and 26 through spherical bearings 23 and 23 or pins, respectively, and both ends of the entire damping device 22 are coupled into the column beam frame 4 through these gusset plates 26 and 26. It is characterized by being.
Similarly, in the embodiment of FIG. 4 corresponding to the invention of claim 3, a single attenuator 22a is configured by connecting an attenuator 21a composed of a single oil damper and a single brace 20a in series. The single damping device 22a is provided in parallel along a plurality of longitudinal directions, and both ends of each single damping device 22a are integrally coupled to a common single bracket 24, 24, respectively. Gusset plates 25 and 25 are respectively provided at the upper crossing portions of the first and first beams 2 and the upper beam member 2, and another gusset plate 27 is provided in the middle of the lower beam member 3. , 25 and the gusset plate 27 on the beam member 3 side, a pair of damping devices 22, 22 arranged in directions opposite to each other are coupled via the brackets 24, 24.
Further, in the embodiment of FIG. 5 corresponding to the invention of claim 4, a single attenuator 22a is configured by connecting an attenuator 21a composed of a single oil damper and a single brace 20a in series. The single damping device 22a is provided in parallel along a plurality of longitudinal directions, and both ends of each single damping device 22a are integrally coupled to a common single bracket 24, 24, respectively. 1, 1 and the upper two crossing portions A, A between the upper beam member 2 are joined to the upper end of the front K-shaped brace K, and the other one column member 1 and the lower beam member 3 A gusset plate 25 is provided at the side crossing portion B, and an attenuation device is horizontally coupled between the lower side of the K-shaped brace K and the gusset plate 25 via the brackets 24 and 24. .
This will be described in more detail below.
[0013]
As in the prior art , the vibration damping device in the column beam frame 4 according to the present invention includes a large number of column members 1 standing in the longitudinal direction, front and rear, left and right, and a large number of upper and lower beam members on two adjacent column members 1 and 1. 2 and 3 are constructed, and the two column members 1 and 1 and the two upper and lower beam members 2 and 3 constitute a column beam frame that is continuous in the vertical direction, and the attenuator 21 and the brace are provided in the column beam frame 4. 20 is disposed in series with an attenuation device 22.
[0014]
In the present invention, a single attenuator 21a and a single brace 20a are connected in series to form a single attenuator 22a, and a plurality of the single attenuators 22a are provided in series in the longitudinal direction. Both ends of each single damping device 22a are integrally coupled via brackets 24, 24, and both ends of the entire damping device 22 are coupled to the inside of the column beam frame 4 via these brackets 24, 24. In this case, the vertical direction means a direction along the wall surface when a wall is provided on the column beam frame 4, for example.
[0015]
The attenuation device 22 of FIG. 1 is provided with two single attenuation devices 22a and 22a arranged in parallel. The diameter of the single attenuation device 22a is smaller than the diameter of the conventional attenuation device, and these two are combined. As a result, the overall rigidity and durability are improved, and the damping function is also improved. Since the single attenuator 22a has a small diameter, even if two of them are combined, the above-mentioned function is improved without increasing the overall diameter so much that the installation space is not restricted. Further, when the single attenuation device 22a is arranged in the vertical direction, the diameter in the horizontal direction may be small even if the diameter in the vertical direction increases.
[0016]
The single attenuator 21a includes a cylinder and an oil damper that is movably inserted into the cylinder via a piston. Attenuators 22 are provided in series on the diagonal lines in the column beam frame 4, or may be assembled in a V shape, a W shape, or a K shape.
[0017]
1st Embodiment has shown the example arrange | positioned on the diagonal. That is, gusset plates 25 and 26 are provided at the intersections A and B of the column member 1 and the beam members 2 and 3, and the entire damping device 22 is disposed diagonally in the column beam frame 4. Are connected to the gusset plates 25, 26 via spherical bearings 23, 23 or pins , respectively.
[0018]
FIG. 4 relates to another embodiment of the present invention, in which two sets of damping devices 22 are attached in a slightly V shape. That is, gusset plates 25 and 25 are provided at the upper crossing portions A and A of the column member 1 and the beam members 2 and 3, and another gusset plate 27 is provided in the middle of the lower beam member 3, and the two crossing portion sides are provided. Attenuators 22 and 22 are connected to each other through brackets 24 between the gusset plates 25 and 25 and the gusset plate 27 on the beam material side so that the housings are moved obliquely in opposite directions. Other structures, operations, and effects are the same as in FIG.
[0019]
Similarly, FIG. 5 shows an embodiment of the present invention, in which a damping device 22 is mounted in a column beam frame 4 via a K-shaped brace K. That is, a front K-shaped brace K is provided between the upper two intersections A, A of the column member 1 and the beam members 2, 3 and the middle of the lower beam member 3, and the other column member 1 and the beam member 3 is provided with a gusset plate 25 at the lower crossing portion B of the brace K, and the entire damping device 22 is horizontally coupled between the beam material side top mounting portion of the brace K and the gusset plate 25 via brackets 24 and 23. It is what. Other structures, functions, and effects are the same as those in FIG.
[0020]
According to the vibration damping device according to each of the embodiments shown in FIGS. 1, 4, and 5, a single attenuator 21 a such as an oil damper and a brace 20 a are connected in series in the column beam frame 4 having a rigid frame structure. Since the single attenuating device 22a is arranged in series, the attenuator 21a is applied in the axial direction of the brace 20a when an external force such as an earthquake or strong wind acts on the structure, that is, the column beam frame 4. The external force is attenuated by the damping function at that time, and the structure is damped. At this time, the attenuator 21a carries not only the horizontal input but also the vertical load on the column members 1 and 1 for attenuation.
[0021]
【The invention's effect】
According to the invention of each claim, since a plurality of single attenuators in which a single attenuator and a single brace are connected in series are arranged in parallel, both ends thereof are integrated via the bracket. The lateral diameter of each single damping device can be reduced, and the rigidity and durability can be improved without increasing the lateral diameter of the entire damping device, and the damping device can also be improved. Further, since it is not necessary to increase the transverse diameter of the entire damping device, it can be installed in a narrow wall space or the like, and there is no restriction on the installation space. That is, by arranging a single damping device in the vertical direction along the wall surface or the like, the lateral diameter is small even if the longitudinal diameter is long, so that the side surfaces of the entire damping device do not interfere with the wall surface. .
[Brief description of the drawings]
FIG. 1 is a schematic front view of a vibration damping device according to an embodiment of the present invention.
FIG. 2 is a front view of the attenuation device.
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a front view of a vibration damping device according to another embodiment.
FIG. 5 is a front view of a vibration damping device according to another embodiment.
FIG. 6 is a schematic front view of a conventional vibration damping device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Column material 2, 3 Beam material 4 Column beam frame 20a Brace 21a Attenuator 22 Attenuator 23 Spherical bearing 24 Bracket 25, 26 Gusset plate 27 Gusset plate A, B Crossing part K K-shaped brace

Claims (4)

A large number of pillar members (1) standing in the vertical direction are arranged in the front and rear, left and right, and a large number of upper and lower beam members (2, 3) are installed between two adjacent pillar members (1, 1) . The column material (1, 1) and the two upper and lower beam members (2, 3) constitute a column beam frame (4) continuous in the vertical direction, and the attenuator (21) and the beam beam frame (4) are arranged in the column beam frame (4) . In the vibration damping device in the column beam frame (4) in which the damping device in which the brace (20) is connected in series is disposed, the attenuator (21a) composed of a single oil damper and the single brace (20a) Are connected in series to form a single attenuation device (22a) , and the single attenuation device (22a) is provided in parallel along a plurality of longitudinal directions, and both ends of each single attenuation device (22a) are provided. the bound together to a common single bracket (24, 24), respectively, further, the spherical these brackets (24, 24), respectively Receiving (23, 23) or pins attached to gusset plate (25, 26) via both ends of the beam-column Frame (4) of the entire damping device through these gusset plates (25, 26) (22) Damping device for a column beam structure characterized by being coupled to Gusset plates (25, 26) are provided at the intersections between the column members (1, 1) and the beam members (2, 3), and the damping device (22) is disposed diagonally in the column beam frame (4) . The vibration damping device for a column beam frame according to claim 1, wherein each bracket (24, 24) is coupled to the gusset plate (25, 26) via a spherical bearing (23) or a pin. A large number of pillar members (1) standing in the vertical direction are arranged in the front and rear, left and right, and a large number of upper and lower beam members (2, 3) are installed between two adjacent pillar members (1, 1) . The column material (1, 1) and the two upper and lower beam members (2, 3) constitute a column beam frame (4) continuous in the vertical direction, and the attenuator (21) and the beam beam frame (4) In the damping device in the column beam frame ( 4 ) in which the damping device connected in series with the brace (20) is disposed, the attenuator (21a) made of a single oil damper and the single brace (20a) Are connected in series to form a single attenuation device (22a) , and the single attenuation device (22a) is provided in parallel along a plurality of longitudinal directions, and both ends of each single attenuation device (22a) are provided. each bonded together to a common single bracket (24, 24), an upper crossover two pillar and (1,1) the upper beam member (2) The gusset plates (25, 25) respectively, intermediate the provided other gusset plates (27) of the lower beam member (3), and the beam the two crossover side of the gusset plate (25, 25) A column connecting a pair of damping devices (22, 22) disposed diagonally opposite each other between the gusset plate (27 ) on the material (3) side via the brackets (24, 24) . Damping device for beam frames. A large number of pillar members (1) standing in the vertical direction are arranged in the front and rear, left and right, and a large number of upper and lower beam members (2, 3) are installed between two adjacent pillar members (1, 1) . The column material (1, 1) and the two upper and lower beam members (2, 3) constitute a column beam frame (4) continuous in the vertical direction, and the attenuator (21) and the beam beam frame (4) In the vibration damping device in the column beam frame (4) in which the damping device in which the brace (20) is connected in series is disposed, the attenuator (21a) composed of a single oil damper and the single brace (20a) Are connected in series to form a single attenuation device (22a) , and the single attenuation device (22a) is provided in parallel along a plurality of longitudinal directions, and both ends of each single attenuation device (22a) are provided. the bound together to a common single bracket (24, 24) respectively, the upper second between two pillar and (1,1) the upper beam member (2) Of intersection (A, A) combining an upper end of the front K-shaped bracing (K), one pillar other (1) and the lower beam member (3) under the intersection of (B) A gusset plate (25) is provided, and an attenuation device is connected horizontally between the lower side of the K-shaped brace (K) and the gusset plate (25) via the brackets (24, 24). Vibration control device in a column beam structure.

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