JPH10306499A - Damping building - Google Patents

Abstract

PROBLEM TO BE SOLVED: To absorb energy of an earthquake through a simple constitution by a method wherein an energy absorbing member, such as a laminate, plastically deformed along with deformation of a column due to a horizontal force is arranged at a column forming a split column and positioned in the middle in a direction of a train. SOLUTION: Three or more columns 11 arranged on one train in an X- direction or an Y-direction are rigid-joined together by a beam 12 to form a steel frame Rahmen structure. In a column 11 situated in an intermediate position A in an X-direction and a column 11 situated in an intermediate position B in a Y-direction, the columns are two-split in the X-direction and the Y-direction to form split columns 31 and 32, and an energy absorbing member 33 is provided. The energy member 33 is composed of laminates 34 respectively connected to the split columns 31 and 33. The energy absorbing member may form a curved plate connected between the split columns 31 and 32. An energy absorbing member 33 is plastically deformed along with deformation of the column 11 to absorb energy. This constitution reliably absorbs input energy generated by a high horizontal force, such as an earthquake force.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration control building capable of absorbing input energy due to a large horizontal force such as an earthquake.

[0002]

2. Description of the Related Art Conventionally, as a vibration-damping building, the actual building was 1-24265.
As described in the publication, a wall panel in which H-shaped steel flanges are connected to each other with a viscous body interposed therebetween is attached between columns and beams.
There is a type in which vibration energy is absorbed by viscous resistance of a viscous body between mold steels to attenuate vibration.

[0003]

However, the prior art uses a wall panel in which a large number of H-shaped steel flanges are connected to each other with a viscous body interposed therebetween, and the configuration is extremely complicated.

An object of the present invention is to reliably absorb input energy due to a large horizontal force such as an earthquake with a simple configuration.

[0005]

According to a first aspect of the present invention, there is provided a control system comprising three or more columns arranged in one row, and adjacent columns and columns being rigidly joined by beams. In a building, a column located in the middle excluding both ends on one row is divided in the direction of one row and divided into columns, and plastic deformation is caused between the divided columns due to deformation of the column due to horizontal force along the direction of one row. An energy absorbing member is provided.

According to a second aspect of the present invention, in a vibration damping building in which building units formed by rigidly connecting columns and beams are juxtaposed, a horizontal building unit is provided between adjacent columns in adjacent building units. An energy absorbing member that is plastically deformed as the column is deformed by a force is provided.

According to a third aspect of the present invention, in the first or second aspect of the present invention, the energy absorbing member further comprises a laminated plate connected to each of the columns on both sides. is there.

According to a fourth aspect of the present invention, in the first or second aspect of the present invention, the energy absorbing member is a bent plate connected to each of the columns on both sides. is there.

[0009]

According to the first aspect of the present invention, the following:
Has the effect of When a horizontal force such as an earthquake acts on the building and the column deforms, the energy absorbing member provided between the divided columns plastically deforms,
Absorbs the input energy due to the horizontal force. By appropriately setting the magnitude of the force at which the energy absorbing member plastically deforms, it is possible to prevent a force greater than a certain magnitude from being applied to the columns and beams of the building, thereby ensuring the safety of the building.

[0010] Since the energy absorbing member is sandwiched between the divided pillars by dividing the pillar in the building, the energy absorbing member is originally provided in the area which is a pillar, and the energy absorbing member is provided in the building. No new space required. That is, the energy absorbing member can be provided without significantly reducing the effective use space in the building.

According to the second aspect of the present invention, the following operations are provided. When a horizontal force such as an earthquake acts on a unit building to deform the columns, the energy absorbing members provided between the columns of adjacent building units are plastically deformed and absorb the input energy due to the horizontal forces. By appropriately setting the magnitude of the force at which the energy absorbing member plastically deforms, it is possible to prevent a force greater than a certain magnitude from being applied to the columns and beams of the building unit, thereby ensuring the safety of the unit building.

Since the energy absorbing member is sandwiched between the columns of adjacent building units in the unit building, the energy absorbing member is originally provided in the gap existing between the adjacent building units. No new space is required for providing an energy absorbing member inside. That is, the energy absorbing member can be provided without significantly reducing the effective use space in the unit building.

According to the third aspect of the present invention, the following operations are provided. The energy absorbing member was made of a laminated plate connected to each of the columns on both sides. Therefore, when the column is deformed, the two columns are displaced, and the force of the displacement causes the laminated plate to undergo shear plastic deformation, and the plastic deformation absorbs energy.

According to the fourth aspect of the present invention, the following operations are provided. The energy absorbing member was constituted by a bent plate connected to each of the columns on both sides. Therefore, when the column is deformed, a displacement occurs between the two columns, and the force of the displacement causes the bent plate to plastically deform, and the plastic deformation absorbs energy.

[0015]

FIG. 1 is a schematic diagram showing a pillar layout in a building, FIG. 2 is a schematic diagram showing an example in which an energy absorbing member is provided in a building, and FIG. 3 is a schematic diagram showing an energy absorbing member in a building. FIG. 4 is a schematic diagram illustrating another example, FIG. 4 is a schematic diagram illustrating a building unit, and FIG. 5 is a schematic diagram illustrating an example in which an energy absorbing member is provided in a unit building.

(First Embodiment) (FIGS. 1 to 3) The building 10 has (a) three or more columns 11 arranged in one row in the X direction, as shown in the column layout shown in FIG. Then, the adjacent columns 11, 11 are rigidly joined by the beam 12, and (b) the column 11 has three or more columns 11 arranged in one row in the Y direction. The rigid frame 12 has a rigid frame structure. Note that the building 10 may include a steel frame structure including a load bearing wall mixed structure.

However, in the building 10, 1 in the X direction
Pillar 1 located in the middle position (A in FIG. 1) excluding both ends on the row
1 and columns 11 located at an intermediate position (B in FIG. 1) excluding both ends on one row in the Y direction are configured as shown in (1) and (2) below. (1) The column 11 located at the intermediate position (A) in the X direction is divided into two columns 31 and 32 in the X direction.
The column 11 located at the intermediate position (B) in the direction is divided into two divided columns 31 and 32 in the Y direction.

(2) Regarding the column 11 of (1), an energy absorbing member 33 is provided between the divided columns 31 and 32.
A divided column 31 of the column 11 located at an intermediate position (A) in the X direction,
The energy absorbing member 33 provided between the members 32 plastically deforms due to the deformation of the column 11 due to horizontal force such as seismic force along the Y direction, and absorbs the input energy of the horizontal force. Further, the divided column 3 of the column 11 located at the intermediate position (B) in the Y direction
The energy absorbing member 33 provided between the first and second members 32 is plastically deformed with the deformation of the column 11 due to horizontal force such as seismic force along the Y direction, and absorbs the input energy of the horizontal force.

The energy absorbing member 33 can be constituted by a laminated plate 34 connected to each of the divided columns 31 and 32 on both sides as shown in FIG. 2, for example. One side surface of the laminated plate 34 is connected to the divided columns 31, and the other side surface of the laminated plate 34 is connected to the divided columns 32. And pillar 1 by horizontal force
If the two columns 31 and 32 are displaced by the deformation of 1, the force of this displacement causes the laminate 34 to undergo shear plastic deformation.

The energy absorbing member 33 can be constituted by a bent plate 35 connected to each of the divided columns 31 and 32 on both sides, for example, as shown in FIG. One connecting portion of the bent plate 35 is connected to the divided column 31, and the other connecting portion of the bent plate 35 is connected to the divided column 32. When the two columns 31 and 32 are displaced by the deformation of the column 11 due to the horizontal force, the force of the displacement plastically deforms the bent plate 35.

The energy absorbing member 33 composed of the laminated plate 34, the bent plate 35, etc.
It may be provided in any range of one end, both ends, an intermediate part, or the entire length of the first and second directions.

Therefore, according to the present embodiment, the following effects are obtained. When the column 11 is deformed due to a horizontal force such as an earthquake acting on the building 10, the energy absorbing member 33 provided between the divided columns 31 and 32 is plastically deformed and absorbs the input energy due to the horizontal force. By appropriately setting the magnitude of the force at which the energy absorbing member 33 plastically deforms, it is possible to prevent a force greater than a certain magnitude from being applied to the columns 11 and the beams 12 of the building 10 and to secure the safety of the building 10.

Since the pillar 11 in the building 10 is divided and the energy absorbing member 33 is sandwiched between the divided pillars 31 and 32, the energy absorbing member 33 is provided in the area which is originally the pillar 11, and the building 10 No new space for providing the energy absorbing member 33 therein is required. That is, the energy absorbing member 33 can be provided without significantly reducing the effective use space in the building 10.

The energy absorbing member 33 is connected to the pillars 1 on both sides.
1 were connected to each other. Therefore, when the column 11 is deformed, the two columns 11 are displaced, and the force of this displacement causes the laminated plate 34 to undergo plastic shear deformation, and the plastic deformation absorbs energy.

The energy absorbing member 33 is connected to the pillars 1 on both sides.
1 was formed of a bent plate 35 connected to each of them. Therefore, when the column 11 is deformed, the two columns 11 are displaced, and the force of this displacement causes the bent plate 35 to plastically deform,
Energy is absorbed by this plastic deformation.

(Second Embodiment) (FIGS. 4 and 5) The unit building 40 is constructed by installing a plurality of building units 42 adjacent to each other on a foundation 41 as shown in FIG. As shown in FIG. 4, each building unit 42 is a frame structure in which a plurality of columns 43 and beams 44 and 45 are rigidly connected. In the present embodiment, each of the four square steel tube columns 43, the shaped steel floor beams 44, and the shaped steel ceiling beams 45 are rigidly connected in a box shape.

However, in the unit building 40,
Pillar 4 located at the boundary between neighboring building units 42, 42
An energy absorbing member 46 is provided between 3 and 43.
The energy absorbing member 46 plastically deforms due to the deformation of the columns 43, 43 due to horizontal force such as seismic force and absorbs the input energy of the horizontal force.

The energy absorbing member 46 is formed by the laminated plate 34 (FIG. 2) or the bent plate 35 described in the first embodiment.
(FIG. 3).

As in the first embodiment, the energy absorbing member 46 may be provided at any one end, both ends, an intermediate portion, or the entire length of the columns 43, 43.

Therefore, according to the present embodiment, the following operations are provided. A horizontal force such as an earthquake acts on the unit building 40 and the column 43
Is deformed, the energy absorbing member 46 provided between the columns 43 of the adjacent building units 42 is plastically deformed, and absorbs the input energy due to the horizontal force. By appropriately setting the magnitude of the force at which the energy absorbing member 46 plastically deforms, it is possible to prevent a force greater than a certain magnitude from being applied to the columns 43, beams 44, and 45 of the building unit 42 and to secure the unit building 40 as a unit. Can be secured.

Since the energy absorbing member 46 is sandwiched between the columns 43 of the adjacent building units 42 in the unit building 40, the energy absorbing member 46 is originally placed in the gap existing between the adjacent building units 42. Therefore, a new space for providing the energy absorbing member 46 in the unit building 40 is not required. That is, the energy absorbing member 46 can be provided without significantly reducing the effective use space in the unit building 40.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific structure of the present invention is not limited to this embodiment, and the design can be changed without departing from the scope of the present invention. The present invention is also included in the present invention. For example, a building unit of a unit building to which the present invention is applied is a building unit in which a floor beam is joined to a column and has no ceiling beam, or a building unit in which a ceiling beam is joined to a column and has no floor beam. May be.

[0033]

As described above, according to the present invention, the input energy due to a large horizontal force such as an earthquake can be reliably absorbed with a simple configuration.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a column layout in a building.

FIG. 2 is a schematic view showing an example in which an energy absorbing member is provided in a building.

FIG. 3 is a schematic view showing another example in which an energy absorbing member is provided in a building.

FIG. 4 is a schematic diagram showing a building unit.

FIG. 5 is a schematic diagram showing an example in which an energy absorbing member is provided in a unit building.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Building 11 Column 12 Beam 31, 32 Split column 33 Energy absorption member 34 Laminated plate 35 Bent plate 40 Unit building 42 Building unit 43 Column 44, 45 Beam 46 Energy absorption member

Claims (4)

[Claims] 1. A vibration-damping building having three or more columns arranged in one row, and adjacent columns and columns being rigidly connected by beams. The column to be divided is divided into one column direction, and an energy absorbing member that is plastically deformed with the deformation of the column due to horizontal force along the one column direction is provided between the divided columns. Building. 2. A vibration control building comprising juxtaposed building units formed by rigidly connecting columns and beams, wherein adjacent building units have plasticity between adjacent columns due to deformation of the columns due to horizontal force. A vibration damping building comprising a deformable energy absorbing member. 3. The vibration damping building according to claim 1, wherein the energy absorbing member comprises a laminated plate connected to each of the columns on both sides. 4. The vibration damping building according to claim 1, wherein the energy absorbing member is a bent plate connected to each of the columns on both sides.