JP2017071924A - Structure of building - Google Patents

Abstract

An object of the present invention is to provide a structure of a building in which equipment members can be easily pulled out to a desired location outside a core portion. In a building having a core part, the core part intersects with a pair of first multistory earthquake-resistant walls 431 and 431 arranged along the Y direction (first horizontal direction). A pair of second multi-layer earthquake resistant walls 432 and 432 arranged along the X direction (second horizontal direction), and the core portions 43 and 43 are spaced apart from each other in the horizontal direction by two (plural) Is provided. [Selection] Figure 3

Description

  The present invention relates to a structure of a high-rise or super-high-rise building.

  Conventionally, a high-rise building or a super-high-rise building having a core portion in which continuous multi-layer earthquake-resistant walls are arranged on upper and lower floors to improve earthquake-proof performance is known (see, for example, Patent Documents 1 and 2). The core portion is provided with, for example, a shaft that accommodates equipment members such as water supply / drainage equipment, air conditioning equipment, electrical equipment, and elevator equipment.

JP 2006-045933 A JP 2003-328586 A

  Equipment members such as pipes, wiring, and ducts provided in the core part are drawn out of the core part from the openings between the multi-layer earthquake resistant walls, so the space through which the equipment member passes is limited. It is difficult to pull out to a desired place outside the core portion.

  Then, an object of this invention is to provide the structure of the building which can pull out an installation member easily to the desired location outside a core part.

  In order to achieve the above object, the structure of a building according to the present invention is a building having a core part, wherein the core part is arranged along a first horizontal direction, and the And a second multi-layer earthquake resistant wall arranged along a second horizontal direction intersecting with one horizontal direction, and a plurality of the core portions are provided apart from each other in the horizontal direction.

  Moreover, in the structure of the building which concerns on this invention, it is preferable that the shaft which accommodates an installation member is provided between the said adjacent core parts.

In the present invention, when a plurality of core parts are provided apart from each other in the horizontal direction, and a shaft that accommodates an equipment member is provided in a space between adjacent core parts, the equipment member of the shaft is connected to the first station. It can be easily pulled out to a desired location outside the core portion without interfering with the layered shear wall and the second multi-layered shear wall.
Moreover, the seismic performance of a building can be improved compared with the case where only one core part is provided by providing a plurality of core parts spaced apart in the horizontal direction. Moreover, the seismic performance of a building can be further improved by arranging a plurality of core portions in a balanced manner.
In addition, the core portion includes a first multi-layer earthquake-resistant wall arranged along the first horizontal direction and a second multi-layer earthquake-resistant wall arranged along the second horizontal direction. Seismic performance can be demonstrated efficiently against vibration.

Moreover, in the structure of the building which concerns on this invention, the said core part has a pair of said 1st continuous layer earthquake-resistant wall and a pair of said 2nd continuous layer earthquake-resistant wall, A pair of said 1st continuous layer The earthquake-resistant wall and the pair of second multi-layer earthquake-resistant walls may be arranged in a square shape in a plan view.
By setting it as such a structure, a pair of 1st continuous layer earthquake-resistant wall and a pair of 2nd continuous layer earthquake-resistant wall can exhibit earthquake-resistant performance efficiently with respect to the vibration of a multi-direction.

Moreover, in the structure of the building which concerns on this invention, it has a seismic isolation layer and the upper layer building arrange | positioned above this seismic isolation layer, and the said core parts are mutually spaced apart in a horizontal direction in this upper layer building Thus, it is preferable that a plurality are provided.
By setting it as such a structure, the seismic isolation performance of a building can be improved with a seismic isolation layer and a some core part. Moreover, it can suppress that the upper side of an upper-layer building shakes too much larger than a lower part at the time of an earthquake (whipping phenomenon) with a some core part.

Moreover, in the structure of the building which concerns on this invention, it is preferable that the said 1st continuous layer earthquake-resistant wall and the said 2nd continuous layer earthquake-resistant wall are spaced apart in the horizontal direction, and are connected via the connection beam. .
By adopting such a configuration, the space between the first multi-layer seismic wall and the second multi-layer seismic wall can be used as a space for pulling out equipment members provided in the core section to the outside of the core section. Can be used as an opening for people to pass through. In addition, the first multi-story shear wall and the second multi-story shear wall are integrated by connecting beams even if they are separated in the horizontal direction, so that the core part can be made a strong structure, Seismic performance can be improved.

  According to the present invention, the equipment member can be easily pulled out to a desired place outside the core portion.

It is a figure which shows an example of the building by embodiment of this invention, and is AA sectional view taken on the line of FIG. It is a figure which shows an example of the building by embodiment of this invention, and is BB sectional drawing of FIG. It is a top view of an upper building. FIG. 3 is an enlarged view of a portion C in FIG. 2. It is a graph which shows the interlayer deformation angle of each floor of the X direction of each floor when level 2 earthquake motion acts on a building. It is a graph which shows the interlayer deformation angle of each floor of the Y direction of each floor when level 2 earthquake motion acts on the building. It is a graph which shows the acceleration of each floor of the X direction of each floor when level 2 earthquake motion acts on a building. It is a graph which shows the acceleration of each floor of the Y direction of each floor when level 2 earthquake motion acts on the building.

Hereinafter, the structure of the building by embodiment of this invention is demonstrated based on FIG. 1 thru | or FIG.
As shown in FIG. 1 and FIG. 2, the building 1 according to the present embodiment is a high-rise building or a super-high-rise building, and a base portion 2 provided in the ground, and a lower layer constructed on the base portion 2. A building 3, an upper building 4 disposed above the lower building 3, and an intermediate seismic isolation layer (isolation layer) 5 disposed between the lower building 3 and the upper building 4. Have. In the present embodiment, the intermediate seismic isolation layer 5 is disposed between the third floor and the fourth floor of the building 1. The first to third floors and the first and second floors below the middle seismic isolation layer 5 are lower-layer buildings 3, and the upper four floors above the middle seismic isolation layer 5 are upper-layer buildings 4.

The lower building 3 includes a concrete-filled steel pipe column (CFT) 31, 31, a steel beam 32, 32, and a steel pipe brace (not shown) spanned between the concrete-filled steel pipe columns 31, 31. Built with structure.
The intermediate seismic isolation layer 5 is provided with known seismic isolation devices 51, 51. The seismic isolation devices 51, 51... Of this embodiment employ a composite seismic isolation system that combines a lead plug insertion type laminated rubber bearing, a natural rubber-based rubber bearing, an elastic sliding bearing, and a seismic isolation oil damper. doing.

As shown in FIG. 3, the upper-layer building 4 is formed in a substantially rectangular shape in plan view. The upper-layer building 4 includes a plurality of concrete-filled steel pipe columns 41, 41 (see FIG. 3) disposed in the center and the outer periphery in plan view, and a steel beam laid between the concrete-filled steel pipe columns 41, 41. .. (See FIGS. 1 and 2) and two core portions 43 and 43 arranged in the center portion in plan view.
Of the two orthogonal sides of the substantially rectangular shape of the upper-layer building 4 in plan view, the direction in which one side extends is the X direction, and the direction in which the other side extends is the Y direction.

  As shown in FIG. 3, the two core portions 43 and 43 are arranged with an interval in the X direction. The core portion 43 includes a pair of first multi-layer earthquake-resistant walls 431 and 431 and a pair of second multi-layer earthquake-resistant walls 432 and 432 that are continuous over substantially the entire height of the upper-layer building 4. The pair of first multi-layer seismic walls 431 and 431 and the pair of second multi-layer seismic walls 432 and 432 are, for example, reinforced concrete structures and are designed to have a predetermined strength capable of bearing seismic force.

The pair of first multi-layer earthquake-resistant walls 431 and 431 are arranged with their wall surfaces facing the X direction and spaced apart from each other in the X direction.
The pair of second multi-layer seismic walls 432 and 432 are arranged at intervals in the Y direction such that the wall faces in the Y direction and the pair of first multi-layer seismic walls 431 and 431 are sandwiched from the Y direction. .
The pair of second multi-layer seismic walls 432 and 432 has one end in the X direction disposed on one side in the X direction with respect to the pair of first multi-layer seismic walls 431 and 431, and the other end in the X direction. Is disposed on the other side in the X direction from the pair of first multi-layer earthquake resistant walls 431 and 431. A prismatic space is formed inside the pair of first multi-layer earthquake resistant walls 431 and 431 and the pair of second multi-layer earthquake resistant walls 432 and 432.

As shown in FIG. 4, on the fourth floor of the upper-layer building 4, the pair of first multi-layer earthquake resistant walls 431, 431 and the pair of second multi-layer earthquake resistant walls 432, 432 are connected to come into contact with each other. . In FIG. 4, a pair of first multi-layer earthquake resistant walls 431, 431, a pair of second multi-layer earthquake resistant walls 432, 432, and connecting beams 433, 433.
On the 5th floor or higher of the upper-layer building 4, the pair of first multi-layer seismic walls 431 and 431 and the pair of second multi-layer seismic walls 432 and 432 are arranged at intervals in the Y direction and provided on each floor. Are connected via connecting beams 433, 433,. Between the connecting beams 433, 433 on the upper and lower floors, openings 434, 434,... Are formed by separating the first multi-layer seismic wall 431 and the second multi-layer seismic wall 432 from each other.
The connecting beams 433, 433, ... are made of steel beams, reinforced concrete beams, etc., and are formed in such a size that a space is formed between the connecting beams 433, 433,.

Returning to FIG. 3, in the central part of the building 1, shafts 6 and 6 that accommodate equipment such as water supply and drainage equipment, air conditioning equipment, electrical equipment, and elevator equipment, and equipment members such as wiring, piping, and ducts of these equipment. ... is provided. In the present embodiment, the spaces S1 and S1 surrounded by the pair of first multi-layer earthquake resistant walls 431 and 431 and the second multi-layer earthquake resistant walls 432 and 432 of the two core portions 43 and 43, and the two core portions, respectively. These facilities and equipment members are provided in the spaces S2 and S2 on the sides of 43 and 43 and the space S3 between the two core portions 43 and 43.
A living room 7 is provided on the outer peripheral portion of the upper-layer building 4 outside the core portion 43.

Next, the operation and effect of the structure of the building 1 described above will be described with reference to the drawings.
In the structure of the building 1 according to the above-described embodiment, the two core portions 43 and 43 are spaced apart in the horizontal direction, and the shaft that accommodates the equipment member in the space S3 between the two core portions 43 and 43. 6 is provided. For this reason, equipment members such as piping, wiring, and ducts provided in the space S3 between the two core portions 43, 43 are connected to the first multi-layer seismic walls 431, 431 and the second multi-layer seismic walls 432, 432, respectively. It can be easily pulled out to a desired location outside the core portion 43 (for example, the living room 7) without interference.
In addition, the pair of first multi-layer earthquake-resistant walls 431 and 431 and the pair of second multi-layer earthquake-resistant walls 432 and 432 are separated in the horizontal direction. For this reason, the openings 434, 434,... Between the first multistory earthquake-resistant walls 431, 431 and the second multistory earthquake-resistant walls 432, 432 are provided as pipes, wires, ducts, etc. provided inside the core part 43. It can be used to pull out the equipment member to the outside of the core part 43 or can be used as an opening through which a person passes.

In this embodiment, since the two core parts 43 are provided in the building 1 at intervals in the horizontal direction, the seismic performance of the building 1 compared to the case where only one core part 43 is provided. Can be improved.
In the present embodiment, the building 1 is a base isolation structure having an intermediate base isolation layer 5. For this reason, the seismic isolation performance of the building 1 can be improved by the intermediate seismic isolation layer 5 and the two core portions 43 and 43. In this embodiment, since the upper-layer building 4 becomes a strong structure by the two core parts 43 and 43, it can suppress that the upper side of the upper-layer building 4 shakes more largely than the lower side at the time of an earthquake.

In the present embodiment, the pair of first multi-layer earthquake-resistant walls 431 and 431 and the pair of second multi-layer earthquake-resistant walls 432, 432 are connected via the connecting beams 433, 433, so that the pair of first Since the single-layer seismic walls 431 and 431 and the pair of second multi-layer earthquake-resistant walls 432 and 432 are integrated, the core portion 43 can have a strong structure.
In the present embodiment, the connecting beam 433 is formed in such a size that a space is formed between the connecting beam 433 and the ceiling material, so that the space between the connecting beam 433 and the ceiling material is a core. It can be used as a space for pulling out equipment members from the portion 43 to the outside of the core portion 43.

The inter-layer deformation angle of each floor and the acceleration of each floor when a level 2 earthquake motion was applied to the building 1 according to this embodiment were examined.
FIG. 5 shows an X direction interlayer deformation angle when a level 2 earthquake motion acts on the building 1, and FIG. 6 shows a Y direction interlayer deformation angle when a level 2 earthquake motion acts on the building 1. Is shown. As shown in FIGS. 5 and 6, it can be seen that the interlayer deformation angle of each floor (four or more floors) of the upper building 4 is less than 1/250 (rad) in both the X direction and the Y direction.
FIG. 7 shows the acceleration in the X direction when a level 2 earthquake motion acts on the building 1, and FIG. 8 shows the Y direction acceleration when the level 2 earthquake motion acts on the building 1. .
Moreover, as shown in FIGS. 7 and 8, it can be seen that the acceleration of each floor (four or more floors) of the upper building 4 is less than 300 (gal) in both the X direction and the Y direction.

As mentioned above, although embodiment of the building by this invention was described, this invention is not limited to said embodiment, In the range which does not deviate from the meaning, it can change suitably.
For example, in the above embodiment, the core unit 43, the pair of first multi-layer earthquake resistant walls 431, 431, and the pair of second multi-layer earthquake resistant walls 432, 432 are provided. If both of the second multi-layer seismic walls 432 are provided, the number of the first multi-layer seismic walls 431 and the second multi-layer seismic walls 432 may be appropriately set. For example, the pair of first multi-layer earthquake-resistant walls 431 and 431 and one second multi-layer earthquake-resistant wall 432 may be arranged in a substantially U shape in plan view.
In the above embodiment, the horizontal direction along which the first multistory earthquake-resistant wall 431 is aligned and the horizontal direction along which the second multistory earthquake-resistant wall 432 are orthogonal to each other, but the horizontal direction along which the first multistory earthquake-resistant wall 431 is aligned. And the horizontal direction along which the second multistory earthquake resistant wall 432 intersects may not be orthogonal.

Moreover, in said embodiment, although the two core parts 43 and 43 are provided in the building 1, three or more core parts 43 and 43 ... may be provided.
Moreover, in said embodiment, although the two core parts 43 and 43 are provided in the center part in planar view of the building 1, several core parts 43 and 43 ... are arrange | positioned at intervals in the horizontal direction. If so, the position where the plurality of 43 and 43 are provided may be set as appropriate.
Moreover, in the space S1 inside the core part 43 and the space S3 between the adjacent core parts 43 and 43, things other than various equipment may be provided.

Moreover, in said embodiment, although the building 1 is a seismic isolation structure, it does not need to be a seismic isolation structure. Moreover, the seismic isolation apparatus in case a building is a seismic isolation structure may be set suitably. Further, the building 1 may be a seismic isolation structure in which a base isolation layer is provided in the base instead of the intermediate base isolation layer 5.
Moreover, the structure of the base part 2, the lower layer building 3, the upper layer building 4, and the middle seismic isolation layer 5 may be set suitably. The plan view shape and the elevation view shape of the building 1 may be appropriately designed.

Moreover, the structure and shape of the 1st continuous layer earthquake-resistant wall 431 and the 2nd continuous layer earthquake-resistant wall 432 may be set suitably. In the above embodiment, the first multi-layer seismic wall 431 and the second multi-layer seismic wall 432 are connected via the connecting beam 433, but may be directly connected or not connected. Also good.
Further, the plurality of first multi-layer earthquake resistant walls 431, 431,... May be connected or directly connected via the connecting beam 433, or the plurality of second multi-layer earthquake resistant walls 432, 432 may be connected via the connecting beam 433. It may be connected or directly connected.

1 Building 2 Foundation 3 Lower Building 4 Upper Building 5 Middle Seismic Isolation Layer (Seismic Isolation Layer)
6 Shaft 43 Core part 431 First multi-layer seismic wall 432 Second multi-layer seismic wall 433 Connection beam

Claims (5)

In a building with a core part,
The core portion includes a first multi-layer earthquake-resistant wall disposed along a first horizontal direction, and a second multi-layer earthquake-resistant wall disposed along a second horizontal direction intersecting the first horizontal direction. Have
A structure of a building, wherein a plurality of the core parts are provided horizontally apart from each other. The core portion has a pair of the first multi-layer seismic walls and a pair of the second multi-layer seismic walls,
2. The structure of a building according to claim 1, wherein the pair of first multi-layer earthquake resistant walls and the pair of second multi-layer earthquake resistant walls are arranged in a square shape in a plan view. A seismic isolation layer, and an upper building disposed above the seismic isolation layer,
The structure of the building according to claim 1 or 2, wherein a plurality of the core portions are provided in the upper layer building apart from each other in the horizontal direction.   The structure of the building according to any one of claims 1 to 3, wherein a shaft that accommodates equipment members is provided between the adjacent core portions.   5. The first multi-layer seismic wall and the second multi-layer seismic wall are separated from each other in the horizontal direction and connected via a connecting beam. The structure of the building described in 2.

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