JP4971701B2 - Damping structure and damping panel - Google Patents

Description

  The present invention relates to a vibration control structure and a vibration control panel.

Various types of seismic control structures used in buildings such as houses, buildings, and parking lots have been provided, but the structure of the relative displacement in the horizontal direction between the upper floor and the lower floor due to earthquakes is simple. A damping structure that can be damped more effectively has not yet been provided.
JP 2006-152788 A JP 2000-240321 A

  In the technical background as described above, the present invention provides a vibration control structure and a vibration control panel capable of effectively attenuating the horizontal relative displacement operation between the upper floor and the lower floor due to an earthquake or the like with a simple structure. The task is to do.

The above problem is that a V-shaped structure composed of two braces that withstand compression and tension between the left and right columns or the left and right side frames whose upper and lower ends are joined to the upper floor and the lower floor in a rigid connection state. An upper rigid body and an inverted V-shaped lower rigid body composed of two braces that can withstand compression and tension are arranged in an X shape,
The upper end of each brace of the upper rigid body is rigidly joined to the upper end of each column or each side frame, and the lower end of each brace of the lower rigid body is rigidly joined to the lower end of each column or each side frame. Joined to
An energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means is used to attenuate the horizontal relative displacement operation of the upper and lower rigid bodies. 1 invention).

  In this vibration control structure, the upper and lower ends of the left and right columns or the left and right side frames are joined to the upper floor and the lower floor in a rigidly joined state, and the upper end of each brace of the upper rigid body is attached to each column or It is joined to the upper end side of each side frame in a rigidly joined state, and the lower end of each brace of the lower rigid body is joined to the lower end side of each column or each side frame in a rigidly joined state, so that the upper floor and the downstairs The horizontal relative displacement on the side is efficiently transmitted as the horizontal relative displacement between the lower end of the upper rigid body and the upper end of the lower rigid body, and the horizontal relative displacement operation between the upper floor and the lower floor due to an earthquake, etc. A simple structure without using an amplification mechanism or the like can be effectively attenuated by energy absorbing means between the upper and lower rigid bodies.

  In addition, the upper rigid body has a V shape composed of two braces that can withstand compression and tension, and the lower rigid body has an inverted V shape composed of two braces that can withstand compression and tension. Is arranged in an X shape, and energy absorbing means is provided between the upper and lower rigid bodies. For example, in the case of using a single V-shaped rigid body and extending it to the upper and lower floors. Compared to the above, the two braces of the upper and lower rigid bodies can be opened widely between the left and right pillars or between the side frames, and the rigidity of the upper and lower rigid bodies can be increased. The upper and lower rigid bodies do not interfere with the left and right columns or side frames during the horizontal relative displacement operation between the upper side and the downstairs side.

  In addition, access from this side to the far side and from the far side to the far side can be facilitated through the openings between the left and right columns or side frames and the upper and lower rigid bodies.

  Of course, a V-shaped upper rigid body composed of two braces that can withstand compression and tension, and an inverted V-shaped lower rigid body composed of two braces that resist compression and tension are arranged in an X shape. Therefore, as described above, for example, the length dimension of each brace can be kept small as compared with the case of using a single V-shaped rigid body and extending it to the upper and lower floors. Therefore, the rigidity given to each brace can be reduced, and the cross-sectional dimension of each brace can be reduced. For example, the longitudinal dimension of the upper and lower rigid bodies can be reduced.

  In the structure of the first invention, a reinforcing plate for increasing the rigidity of the upper rigid body by connecting these braces to all or part of the upper and lower braces between the upper rigid bodies is provided, and in the vertical direction between the braces of the lower rigid body. It is preferable that a reinforcing plate that increases the rigidity of the lower rigid body by connecting these braces to all or a part is provided (second invention).

  In this case, the rigidity of the upper and lower rigid bodies can be increased by the cooperative action of the brace and the reinforcing plate, and the longitudinal dimensions of the upper and lower rigid bodies can be kept small.

  In particular, in the structure of the first invention, a reinforcing plate that increases the rigidity of the upper rigid body by connecting these braces only to the lower half between the braces of the upper rigid body is provided in a fixed state. It is preferable that a reinforcing plate is provided in a fixed state by connecting these braces only to the half portion to increase the rigidity of the lower rigid body (third invention).

  In this case, the rigidity of the upper and lower rigid bodies on the side connected to the energy absorbing means can be increased, and the energy absorbing means can absorb the energy efficiently and effectively, and both braces of the upper rigid body can be absorbed. It is possible to facilitate access from this side to the far side and from the far side to the far side through the opening in the upper half between the two and the lower half between the braces of the lower rigid body.

  In the second and third inventions, when each reinforcing plate is made of a perforated steel plate having a plurality of holes in a dispersed state (fourth invention), the buckling mode of the reinforcing plate becomes higher and the reinforcing plate The out-of-plane deformation of the plate can be suppressed. In particular, in the fourth invention, when the reinforcing plate is attached to the brace by welding (fifth invention), out-of-plane deformation due to welding distortion can be suppressed by the action of the hole, and the reinforcing plate can be cleaned by welding. Can be attached to braces. In the fourth and fifth inventions, it is more effective if an annular rib is provided that rises over the entire periphery of the peripheral edge of each hole of the reinforcing plate.

In addition, the above problem is that a V-shaped upper rigid body composed of two braces that can withstand compression and tension, and an inverted V-shaped lower rigid body composed of two braces that can also withstand compression and tension are X Arranged in a shape,
While the upper end of each brace of the upper rigid body is joined to the upper floor, the lower end of each brace of the lower rigid body is joined to the lower floor,
An energy absorbing means is provided between the upper and lower rigid bodies, and the same is solved by a vibration control structure characterized in that the energy absorbing means attenuates the relative displacement in the horizontal direction of the upper and lower rigid bodies. (Sixth invention).

  That is, in such a structure, the upper rigid body has a V shape composed of two braces that can withstand compression and tension, and the lower rigid body has a reverse structure composed of two braces that can withstand compression and tension. It has a V shape, and the upper and lower rigid bodies are arranged in an X shape, and energy absorbing means is provided between the upper and lower rigid bodies, so that the two braces of the upper and lower rigid bodies can be opened widely. The rigidity of the upper and lower rigid bodies can be increased, so that the structure can be attenuated effectively by the energy absorbing means between the upper and lower rigid bodies without using an amplification mechanism, etc. The upper and lower rigid bodies do not interfere with the structural parts such as the left and right columns or side frames during the horizontal relative displacement operation between the upper floor and the lower floor due to the above. Further, it is possible to facilitate access from this side to the far side and from the far side to the far side through an opening between the structural portion such as the left and right columns or the side frames and the upper and lower rigid bodies. Of course, the length dimension of each brace can be kept small, the rigidity given to each brace can be lowered, the cross-sectional dimension of each brace can be reduced, and the longitudinal dimensions of the upper and lower rigid bodies can be reduced. It is also possible to do. Needless to say, the limiting element portions of the second to fifth inventions can be subordinate elements of the sixth invention.

In addition, the above-mentioned problem is that a V-shaped upper rigid body composed of two braces that withstand compression and tension between the left and right side frames in which the upper and lower ends are joined to the upper floor and the lower floor in a rigidly joined state, Similarly, an inverted V-shaped lower rigid body consisting of two braces that can withstand compression and tension is arranged in an X shape,
The upper end of each brace of the upper rigid body is joined in a rigidly joined state to the upper end side of each side frame, and the lower end of each brace of the lower rigid body is joined in a rigidly joined state to the lower end side of each side frame,
An energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means is used to attenuate the horizontal relative displacement operation of the upper and lower rigid bodies. (Seventh invention).

In addition, it consists of two braces that can withstand compression and tension, and has a V-shaped upper rigid body whose upper end is joined to the upper floor, and two braces that also resist compression and tension, and its lower end is joined to the lower side. The inverted V-shaped lower rigid body is arranged in an X shape,
An energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means is used to attenuate the horizontal relative displacement operation of the upper and lower rigid bodies. (Eighth invention).

  In particular, in the case of the seventh and eighth inventions, since it is made into a panel, construction on site is easy and the application range of the vibration control panel can be widened. Needless to say, the limiting element portions of the second to fifth inventions can be subordinate elements of the seventh and eighth inventions.

  Since the present invention is as described above, the relative displacement operation in the horizontal direction between the upper floor and the lower floor due to an earthquake or the like can be effectively attenuated with a simple structure.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  In the damping structure of the embodiment shown in FIG. 1, 1 is a damping panel, 2 is an upper floor, and 3 is a lower floor. The upper floor 2 is made of steel beams, and the lower floor 3 is made of steel beams, foundations, foundations, etc., and an interval of one floor is opened between the upper floor 2 and the lower floor 3. ing.

  The seismic control panel 1 includes left and right steel side frames 4 and 4 spaced apart from each other, and between the side frames 4 and 4, a V-shape composed of two steel braces 5a and 5a that withstand compression and tension. The upper rigid body 5 and the inverted V-shaped lower rigid body 6 composed of two steel braces 6a, 6a that are also resistant to compression and tension are arranged in an X shape, and the upper ends of the braces 5a, 5a of the upper rigid body 5 Are joined to the upper ends of the side frames 4 and 4 in a rigid joint state, and the lower ends of the braces 6a and 6a of the lower rigid body 6 are joined to the lower ends of the side frames 4 and 4 in a rigid joint state. Yes.

  Further, the inverted trapezoidal reinforcing plates 5b, 5b, which connect the braces 5a, 5a only to the lower half portion between the braces 5a, 5a of the upper rigid body 5 to increase the rigidity of the upper rigid body 5, are fixed to both surfaces by welding. Reinforcing plates 6b, 6b are provided in a fixed state on both sides of the lower rigid body 6 so as to increase the rigidity of the lower rigid body 6 by connecting the braces 6a, 6a only to the upper half between the braces 6a, 6a of the lower rigid body 6. .

  Each of the reinforcing plates 5b and 6b is made of a perforated steel plate in which a plurality of holes 7 are formed in a dispersed state. As shown in FIG. 2, each hole 7 has an annular rib that rises over the entire periphery thereof. 7a is provided.

  And the vibration control device 8 as an energy absorption means is provided between these upper and lower rigid bodies 5 and 6. The damping device 8 is composed of viscoelastic bodies 9 and 9 and, as shown in FIG. 2, a drooping 1 attached to a lower end of the upper rigid body 5 with a plurality of bolts. A flat plate 10 and two Z-shaped bent plates 11, 11 standing upright attached to the upper end of the lower rigid body 6 with a plurality of bolts. The flat plate 10 is a Z-shaped bent plate 11. 11, viscoelastic bodies 9, 9 are interposed between the flat plate 10 and one Z-shaped bent plate 11, and between the flat plate 10 and the other Z-shaped bent plate 11, respectively. As shown in FIG. 3, when the flat plate 10 and the Z-shaped bent plate 11 perform a relative displacement operation in the left and right horizontal directions, the viscoelastic body 9 undergoes shear deformation and absorbs energy, Its relative displacement It has been made to attenuate the work. 12 and 12 are steel binders.

  The seismic control panel 1 has a seismic control structure in which the upper and lower ends of the left and right side frames 4 and 4 are joined to the upper floor 2 and the lower floor 3 in a rigid joint state.

  In the above-described vibration control structure, the upper and lower ends of the left and right side frames 4 and 4 are joined to the upper floor 2 and the lower floor 3 in a rigid joint state, and the braces 5a and 5a of the upper rigid body 5 are connected. The upper end portion is joined to the upper end side of each side frame 4, 4 in a rigidly joined state, and the lower end portion of each brace 6 a, 6 a of the lower rigid body 6 is joined to the lower end side of each side frame 4, 4 in a rigidly joined state. As a result, the horizontal relative displacement between the upper floor 2 and the lower floor 3 can be efficiently transmitted as the horizontal relative displacement between the lower end of the upper rigid body 5 and the upper end of the lower rigid body 6. The relative displacement operation in the horizontal direction between the upper side 2 and the lower level side 3 can be effectively damped by the vibration control device 8 between the upper and lower rigid bodies 5 and 6 with a simple structure without using an amplification mechanism or the like.

  In addition, the upper rigid body 5 has a V shape composed of two braces 5a, 5a that can withstand compression and tension, and the lower rigid body 6 is an inverted structure composed of two braces 6a, 6a that can withstand compression and tension. Since the upper and lower rigid bodies 5 and 6 are V-shaped and arranged in an X shape, and the vibration control device 8 is provided between the upper and lower rigid bodies 5 and 6, two upper and lower rigid bodies 5 and 6 are provided. The braces 5a, 5a; 6a, 6a can be greatly opened between the left and right side frames 4, 4, and the rigidity of the upper and lower rigid bodies 5, 6 can be increased. The upper and lower rigid bodies 5 and 6 do not interfere with the left and right side frames 4 and 4 during the horizontal relative displacement operation between the upper side 2 and the lower floor side 3.

  Further, the upper and lower rigid bodies 5, 6 are provided with reinforcing plates 5b, 6b, and the rigidity of the upper and lower rigid bodies 5, 6 is enhanced by the cooperative action of the brace and the reinforcing plate. Energy can be absorbed effectively.

  In particular, since the reinforcing plates 5b and 6b are provided in the lower half part between both braces of the upper rigid body and the upper half part between both braces of the lower rigid body, the vibration control devices of the upper and lower rigid bodies 5 and 6 are provided. The rigidity of the side connected to 8 is increased, and the vibration control device 8 can efficiently and effectively absorb energy.

  In addition, through the openings 13 and 13 between the left and right side frames 4 and 4 and the upper and lower rigid bodies 5 and 6, it is possible to facilitate access from this side to the other side and from the other side to this side. Through the opening 14 in the upper half between the braces 5a, 5a of the upper rigid body 5 and through the opening 15 in the lower half between the braces 6a, 6a of the lower rigid body 6, click here from the other side and from the other side Access to the side can be facilitated.

  A V-shaped upper rigid body 5 composed of two braces 5a, 5a that can withstand compression and tension, and an inverted V-shaped lower rigid body 6 composed of two braces 6a, 6a that can withstand compression and tension. Is a structure arranged in an X shape, the length dimension of each brace 5a, 5a, 6a, 6a can be kept small, the rigidity given to each brace can be reduced, and the cross-sectional dimensions of each brace can be reduced. Can be reduced, and the longitudinal dimensions of the upper and lower rigid bodies 5 and 6 can be reduced, and a thin vibration control panel can be realized.

  Further, since the reinforcing plates 5b and 6b are made of a perforated steel plate in which a plurality of annular rising rib-attached holes 7 are opened in a dispersed state, the buckling mode of the reinforcing plates 5b and 6b becomes higher, A thin steel plate with high rigidity, the plates on both sides and the braces between them can be integrated to form a closed cross section locally to suppress out-of-plane deformation, and the reinforcing plates 5b and 6b are braces. Although the welding distortion is dispersed by the action of the holes 7 with the annular rising rib, the out-of-plane deformation of the reinforcing plate can be suppressed, and the reinforcing plates 5b and 6b are attached to the brace neatly by welding. be able to.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above-described embodiment, the case where the viscoelastic bodies 9 and 9 are used as the energy absorbing means is shown, but various other energy absorbing means may be used. Moreover, there is no restriction | limiting in the material of the member which comprises a damping structure, and components, The rigid joining state may be formed by various methods.

  Moreover, although the case where the damping panel 1 was used was shown in said embodiment, it may be comprised as a non-panel type damping structure, and when comprised in a non-panel type damping structure, the side A column may be used in place of the frames 4 and 4.

  Furthermore, in the above embodiment, the space dimension for one floor is opened between the upper floor 2 and the lower floor 3, and the vibration control panel 1 has a height dimension of about one floor. The vibration control panel 1 may have a height dimension smaller than the height dimension of one floor, and the upper floor and the lower floor are provided with a height interval of about one floor. It may be a thing provided at intervals of about half the height of one floor.

  Further, in the above embodiment, the case where the reinforcing plates 5b and 6b are provided only in the half of the upper and lower rigid bodies 5 and 6 on the vibration control device 8 side is shown, but between the both braces 5a and 5a, 6a, It may be provided in all of the up-down direction between 6a, and may be provided in a part of up-down direction in another aspect.

  In the above embodiment, the left and right side frames are joined to the upper floor and the lower floor in a rigidly joined state, and the upper and lower rigid bodies are joined to each side frame in a rigidly joined state. In the sixth invention and the eighth invention, not limited to this, it is only necessary to have a structure capable of transmitting the horizontal relative displacement between the upper floor and the lower floor as the horizontal relative displacement of the upper and lower rigid bodies, It does not matter whether it is in a rigid connection state, a pin connection state, or an intermediate connection state between them, and the connection destination of the upper and lower rigid bodies is not limited to a side frame or a column, for example, a beam is the connection destination. Also good.

It is the whole front view which shows the damping structure and damping panel of embodiment. Fig. (A) is an enlarged front view showing a vibration control device portion of the vibration control panel, and Fig. (B) is a side view of the same portion. Drawing (a) and figure (b) are front views showing the operating state of a vibration control device.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Damping panel 2 ... Upper floor 3 ... Downstairs 4 ... Side frame 5 ... Upper rigid body 5a ... Brace 5b ... Reinforcement plate 6 ... Lower rigid body 6a ... Brace 6b ... Reinforcement plate 7 ... Hole 8 ... Damping device (energy absorption) means)
9 ... Viscoelastic body

Claims (7)

A V-shaped upper rigid body composed of two braces that withstand compression and tension between the left and right columns or the left and right side frames whose upper and lower ends are joined to the upper floor and the lower floor in a rigidly joined state. An inverted V-shaped lower rigid body composed of two braces that withstand compression and tension is arranged in an X shape,
The upper end of each brace of the upper rigid body is rigidly joined to the upper end of each column or each side frame, and the lower end of each brace of the lower rigid body is rigidly joined to the lower end of each column or each side frame. Joined to
Energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means attenuates the horizontal relative displacement operation of the upper and lower rigid bodies ,
A reinforcing plate for increasing the rigidity of the upper rigid body by connecting these braces to all or a part of the upper rigid body between both braces is provided, and on all or a part of the upper rigid body between the braces of the lower rigid body. Reinforcing plate that increases the rigidity of the lower rigid body by connecting these braces is provided,
Each reinforcing plate is made of a perforated steel plate with a plurality of holes in a dispersed state . A V-shaped upper rigid body composed of two braces that withstand compression and tension between the left and right columns or the left and right side frames whose upper and lower ends are joined to the upper floor and the lower floor in a rigidly joined state. An inverted V-shaped lower rigid body composed of two braces that withstand compression and tension is arranged in an X shape,
The upper end of each brace of the upper rigid body is rigidly joined to the upper end of each column or each side frame, and the lower end of each brace of the lower rigid body is rigidly joined to the lower end of each column or each side frame. Joined to
Energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means attenuates the horizontal relative displacement operation of the upper and lower rigid bodies ,
A reinforcing plate that increases the rigidity of the upper rigid body by connecting these braces only to the lower half part between both braces of the upper rigid body is provided in a fixed state, and these braces are only attached to the upper half part between the braces of the lower rigid body. Reinforcing plate to increase the rigidity of the lower rigid body is provided in the fixed state,
Each reinforcing plate is made of a perforated steel plate with a plurality of holes in a dispersed state . A V-shaped upper rigid body composed of two braces that can withstand compression and tension, and an inverted V-shaped lower rigid body composed of two braces that can also withstand compression and tension are arranged in an X shape.
While the upper end of each brace of the upper rigid body is joined to the upper floor, the lower end of each brace of the lower rigid body is joined to the lower floor,
Energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means attenuates the horizontal relative displacement operation of the upper and lower rigid bodies ,
A reinforcing plate for increasing the rigidity of the upper rigid body by connecting these braces to all or a part of the upper rigid body between both braces is provided, and on all or a part of the upper rigid body between the braces of the lower rigid body. Reinforcing plate that increases the rigidity of the lower rigid body by connecting these braces is provided,
Each reinforcing plate is made of a perforated steel plate with a plurality of holes in a dispersed state . The vibration control structure according to any one of claims 1 to 3, wherein the reinforcing plate is attached to the brace by welding. Between the left and right side frames whose upper and lower ends are rigidly joined to the upper floor and the lower floor, a V-shaped upper rigid body composed of two braces that withstand compression and tension, and also withstands compression and tension. An inverted V-shaped lower rigid body consisting of braces is arranged in an X shape,
The upper end of each brace of the upper rigid body is joined in a rigidly joined state to the upper end side of each side frame, and the lower end of each brace of the lower rigid body is joined in a rigidly joined state to the lower end side of each side frame,
Energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means attenuates the horizontal relative displacement operation of the upper and lower rigid bodies ,
A reinforcing plate for increasing the rigidity of the upper rigid body by connecting these braces to all or a part of the upper rigid body between both braces is provided, and on all or a part of the upper rigid body between the braces of the lower rigid body. Reinforcing plate that increases the rigidity of the lower rigid body by connecting these braces is provided,
Each reinforcing plate is made of a perforated steel plate having a plurality of holes in a dispersed state . It consists of two braces that can withstand compression and tension, and has a V-shaped upper rigid body whose upper end is joined to the upper floor, and two braces that are also resistant to compression and tension, and its lower end is joined to the lower floor. An inverted V-shaped lower rigid body is arranged in an X shape,
Energy absorbing means is provided between the upper and lower rigid bodies, and the energy absorbing means attenuates the horizontal relative displacement operation of the upper and lower rigid bodies ,
A reinforcing plate for increasing the rigidity of the upper rigid body by connecting these braces to all or a part of the upper rigid body between both braces is provided, and on all or a part of the upper rigid body between the braces of the lower rigid body. Reinforcing plate that increases the rigidity of the lower rigid body by connecting these braces is provided,
Each reinforcing plate is made of a perforated steel plate having a plurality of holes in a dispersed state . The vibration control panel according to claim 5 or 6 , wherein the reinforcing plate is attached to the brace by welding.

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