JP6184754B2 - building - Google Patents

Description

  The present invention relates to a building having a plurality of levels and having a core portion formed therein, for example.

  As a building having a plurality of layers and having a core portion formed therein, a building having an RC core wall (core portion) and a lattice-shaped outer wall PC panel frame as a main frame is known (for example, a patent) Reference 1). In such a building, it can be set as the structure where a pillar type does not come out indoors, and indoor space can be used effectively.

Japanese Patent No. 5120641

  However, in the building described above, the lattice-shaped outer wall PC panel frame is an indispensable component that also serves as a structural housing, and therefore there is a problem that the degree of design freedom with respect to the outer wall is low.

  The present invention has been made in consideration of the above-mentioned matters, and an object of the present invention is to provide a building that can form a space with a high effective rate and can increase the degree of freedom in designing the outer wall. .

In order to achieve the above object, a building according to the present invention is a building having a plurality of hierarchies, and an elevator shaft arranged such that a plurality of elevators are arranged in a row in plan view, and the elevator shaft A core part is formed by surrounding an elevator hall on each floor located on the front side of the elevator and a staircase adjacent to the rear side of the elevator shaft with a seismic wall, and the core part serves as an element that bears a vertical load. in addition to, possess only peripheral portion dispersed arranged steel columns in the building, the core portion is constituted by a wall extending wall and the Y-direction extending in the X direction which is perpendicular to each other in a plan view, and, Located in the center of the building in the X direction and at a position away from the wall extending in the Y direction of the core portion in the Y direction, a wall pillar extending in the Y direction faces the outer wall, and the core portion is in the X direction. In Ku, and wherein the pilasters extending in the X direction is not provided (claim 1).

  In the building, a flat slab may be constructed from the core portion to the outer peripheral portion of the building (Claim 2).

In the building, a beam extending in the Y direction may be installed between the wall column extending in the Y direction and the core portion.

  The building may be seismically isolated by providing a seismic isolation device on a predetermined floor (claim 4).

  According to the present invention, it is possible to obtain a building that can form a space with a high effective rate and can increase the degree of freedom in designing the outer wall.

  That is, in the building of the invention according to each claim of the present application, a vertical load is borne on the core part as a solid core wall frame and the steel pillars distributed and arranged on the outer peripheral part of the building, so that the studs are unnecessary. If the space between the core portion and the outer peripheral portion is a column-free space, a space with a high effective rate can be formed.

  Further, in the building of the present invention, the load on the building is not directly borne on the outer wall by causing the outer wall to bear the vertical load on the core portion in which the seismic elements are collectively arranged and the steel columns distributed on the outer peripheral portion. Therefore, the degree of freedom in designing the outer wall can be increased.

  In the building of the invention according to claim 2, the efficiency of the indoor space can be further increased by constructing the flat slab from the core portion to the outer peripheral portion of the building.

  In the building of the invention which concerns on Claim 3, the composite floor construction method using a half precast concrete floor slab can be simply performed by utilizing a beam.

  In the building of the invention according to claim 4, a seismic isolation effect is obtained, and it is possible to make the steel columns distributed and arranged on the outer periphery of the building thinner.

It is explanatory drawing which shows schematically the structure of the building which concerns on one embodiment of this invention (The perspective view which visualized the structure of the reference floor by omitting a part of building). It is explanatory drawing which shows roughly the structure of the planar structure of the reference floor of the said building.

  Embodiments of the present invention will be described below with reference to the drawings.

  The building according to the present embodiment has been seismically isolated by providing seismic isolation devices on a predetermined floor by, for example, the basic seismic isolation method or the intermediate seismic isolation method, and has a plurality of layers as shown in FIG. The core part 1 is formed in the inside.

  As shown in FIG. 2, the core unit 1 includes an elevator shaft 3 arranged so that a plurality (three in the illustrated example) of elevators 2 are arranged in a row in plan view, and the front side of the elevator shaft 3. It is formed by surrounding the elevator hall 4 on each floor and the staircase 5 adjacent to the back side of the elevator shaft 3 (partially sharing the wall with the elevator shaft 3) with RC seismic walls. Therefore, the core part 1 is a robust core wall frame corresponding to a short-term stress (bearing most of the seismic force).

  Therefore, if the steel columns 6 (see FIGS. 1 and 2) distributed in the outer peripheral portion of the building are provided in addition to the core portion 1 as an element that bears the load in the vertical direction, the studs are unnecessary. In this embodiment, a space between the core portion 1 and the outer peripheral portion is defined as a non-column space.

  Further, a flat slab is constructed from the core portion 1 to the outer peripheral portion of the building. Various methods can be used for the construction of this flat slab. In this embodiment, half precast concrete floor slabs (hereinafter referred to as half PC floor slabs) such as spun cleats (trade name) are laid and placed on the spot. Using a synthetic flooring method in which concrete is cast, no support work is required. And the beam 8 is constructed between the core part 1 and the outer periphery beam 7 (refer FIG. 1, FIG. 2) so that the layout of the half PC floor slab in this synthetic flooring method can be performed simply.

  Specifically, as shown in FIG. 2, first, as shown in FIG. 2, the planar structure of the building is a rectangular shape that is surrounded by a side extending in the X direction and a side extending in the Y direction that are perpendicular to each other in a plan view. It is. On the other hand, the core part (seismic wall) 1 includes a wall 1x extending in the X direction and a wall 1y extending in the Y direction. The wall 1x is longer than the wall 1y, and the core part 1 is the X of the building. It is located at the center in the direction and at the end in the Y direction. Then, wall pillars (RC wall pillars) 9 extending in the Y direction are provided at positions away from the two walls 1y extending in the Y direction of the core portion 1 in a state of facing the outer wall 10, respectively. A beam (for example, a prestressed beam) 8 extending in the Y direction is installed between the core portion 1 (wall 1y).

  By laying the beam 8 as described above, when laying the half PC floor slab, the half PC floor slab extending in the X direction is hung between the beam 8 and the outer beam 7 or between the two beams 8. Since it can be handed over, the half-PC floor slabs can be easily arranged.

  Further, since the wall column 9 supporting one end of the beam 8 corresponds to a long-term stress, the steel column 6 is not required in the vicinity of the wall column 9 as shown in FIGS.

  In the building according to the present embodiment, the seismic elements are intensively arranged in the core portion 1, and the vertical load is applied to the core portion 1, the steel column 6 distributed in the outer peripheral portion, and the wall column 9. Thus, it is possible to prevent the outer wall 10 from being directly burdened with the building load, and therefore, the degree of freedom in designing the outer wall 10 can be increased.

  Therefore, in this embodiment, the outer wall 10 is a glass curtain wall. The high line-of-sight transmission to the outside by adopting a glass curtain wall as the outer wall 10 is conspicuous because the inner space from the core portion 1 to the outer peripheral portion is a column-free space. By thinning the steel column 6 that is dispersedly arranged, it becomes even better. The steel column 6 can be thinned because the building of this embodiment adopts a seismic isolation structure, and the core portion 1 has a very robust core wall frame, for example, 200 mm diameter to 340 mm. A steel column 6 having a diameter can be used.

  Moreover, since the building of this embodiment has the pillar-free space and flat slab constructed | assembled from the core part 1 to the outer peripheral part, it has a space with a high effective rate inside.

  In addition, this invention is not limited to said embodiment at all, Of course, it can change and implement variously in the range which does not deviate from the summary of this invention. For example, the following modifications can be given.

  In the example shown in FIG. 2, only one elevator shaft 3 is provided in the core portion 1. However, the present invention is not limited to this. For example, another elevator shaft is provided on the front side of the elevator shaft 3 with the elevator hole 4 interposed therebetween. This other elevator shaft may also be in the core portion 1.

  In the example shown in FIG. 2, the core part 1 is located at the center in the X direction of the building and at the end in the Y direction. It may be located at the center in the Y direction.

  In the example shown in FIG. 2, the beam 8 extending in the Y direction from the wall 1 y extending in the Y direction of the core portion 1 toward the outer peripheral portion is installed. A beam extending in the X direction from the wall 1x extending toward the outer periphery may be installed, and this beam may be used for laying half PC slabs extending in the Y direction.

  In the example shown in FIGS. 1 and 2, the beam 8 and the wall column 9 are provided in order to easily perform the layout of the half PC floor slabs in the synthetic flooring method. However, the present invention is not limited to this. For example, when the flat slab is constructed by another method, the beam 8 and the wall column 9 may not be provided. However, in this case, for example, it is needless to say that the number of steel columns 6 should be increased and appropriately arranged to compensate for the increase in the vertical load caused by the reduction of the wall columns 9.

  In the present embodiment, a glass curtain wall is adopted as the outer wall 10, but not limited to this, the outer wall 10 may be another non-bearing wall such as an aluminum curtain wall or a bearing wall. .

  Needless to say, the above modifications may be combined as appropriate.

DESCRIPTION OF SYMBOLS 1 Core part 1x Wall extended in X direction 1y Wall extended in Y direction 2 Elevator 3 Elevator shaft 4 Elevator hall 5 Staircase 6 Steel column 7 Outer beam 8 Beam 9 Wall column 10 Outer wall

Claims (4)

A building having a plurality of levels,
An elevator shaft arranged such that a plurality of elevators are arranged in a row in plan view, an elevator hall on each floor located on the front side of the elevator shaft, and a staircase adjacent to the back side of the elevator shaft A core part is formed by surrounding with a seismic wall,
As an element to bear vertical loads, in addition to the core portion, it has a dispersing arranged steel columns on the outer periphery of the building,
The core portion is configured by a wall extending in the X direction and a wall extending in the Y direction that are perpendicular to each other in plan view, and is located in the center of the building in the X direction,
At a position away from the wall extending in the Y direction of the core portion in the Y direction, a wall pillar extending in the Y direction is provided facing the outer wall,
The building characterized in that the core portion is long in the X direction and no wall pillar extending in the X direction is provided .   The building according to claim 1, wherein a flat slab is constructed from the core portion to an outer peripheral portion of the building. The building according to claim 1, wherein a beam extending in the Y direction is provided between the wall column extending in the Y direction and the core portion. The building according to any one of claims 1 to 3, wherein a seismic isolation device is provided on a predetermined floor to make the seismic isolation.