JPS6233974A - Ultrahigh building structure - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) This invention relates to a flexible structure superhigh-rise building bridge commonly used in prefectural housing, office buildings, etc.

(Problems to be Solved by the Invention) The frames of superhigh-rise buildings that have been commonly implemented in the past are steel structures, and are flexible structures in which shear walls or places that become flexible above a predetermined load are arranged.

By the way, in apartment complexes, etc., there are many partition walls, so it is easy to arrange seismic walls. Additionally, reinforced concrete structures are often more economical to construct than steel structures. However, the flexible structure required for high-rise buildings cannot be achieved with reinforced concrete.
(- It is difficult to implement in the structure.

In order to solve the above-mentioned conventional problems, the present invention has developed a flexible structure by appropriately combining unit-shaped reinforced concrete structures, steel frames, and shear walls of reinforced concrete structures.

(Means for Solving the Problems) The gist of the present invention is as described in the claims column, and the unit shear walls forming the unit 1- are parallel to each other and arranged at least at a predetermined interval. It is formed in two directions with a continuous wall and a continuous wall, for example, I-shaped, E-shaped, etc., in cross-section. In addition to being arranged in a tree, the slabs are arranged on multiple floors and are connected together.The invention is further developed by arranging eight pillars and beams around the outer periphery of the slabs. The details will be explained below with reference to illustrated embodiments.

(Example) Fig. 1 shows a unit shear wall 1 that forms a void-type plane without an atrium from the center and forms a unit around the circumference of the void part B.
There is. This unit earthquake-resistant wall 1 includes at least parallel walls 1-1 arranged at predetermined intervals and a wall 1-2 connecting these walls.
The reinforcement is preferably formed in two directions on the I-shaped or E-direction plane, and the reinforcement is preferably arranged in a column row wall in the form of connected column reinforcements as shown in FIGS. 3 and 4.

In addition, this unit earthquake-resistant wall 1 has openings 2 that serve as entrances and exits as appropriate.
are provided, but the openings 2 are arranged so that they are not in the same position above and below.

A plurality of unit shear walls 1 are arranged in the form of elongated towers and are not connected by beams or the like, but are independently erected. The multi-story floors, for example, the 20th to 40th floors, are connected by slabs 3, especially concrete slabs in which unbonded PC steel wires are buried.

Further, depending on the floor plan, only columns 4 of reinforced concrete structure or columns 4 and beams 5 with a flat cross section may be arranged on the outer periphery of the slab.

And pillar 4. The beam 5 constitutes a rigid noodles.

Moreover, instead of the slab 3, the unit shear walls 1 may be connected by beams with pins at both ends.

In addition to the reinforcement 6 and hoop reinforcements 7 of the unit shear walls 1 and columns 4, spiral reinforcements 8 are arranged, and if necessary, a steel frame 9 with a small cross section is arranged in the space surrounded by the spiral reinforcements 8. Figure 7 and below show various deformations of the unit shear wall 1.
An application example is shown in FIG. 7, which is a center core type plane in which unit shear walls 1 are formed in two directions of the H-normal plane.

Figure 8 shows a windmill-style plane with unit shear walls I formed in two directions on two sides. FIG. 9 shows a triangular plane in which seismic units 1 are formed in two directions of the E-law plane.

(Operations and Effects of the Invention) A normal concrete shear wall frame has high rigidity and poor toughness, so it has a rigid structure that can withstand large earthquake forces with its strength. For this reason, it has been difficult to design a super high-rise building with a structure based mainly on concrete shear walls.

゛ In contrast, in this invention, the unit shear wall is elongated,
Since it is erected independently as a tower, it provides flexibility through bending deformation and does not receive large seismic input.

In addition, when multiple such unit shear walls are arranged to form a single bridge, they are not connected by rigid beams, etc., but are connected by beams with pins at both ends or simply by slabs, so multiple tower-like walls are connected. Each of the structures retains its flexibility and behaves, making it possible to create a flexible structure that does not receive large earthquake inputs.

This unit shear wall must withstand a large overturning moment. With a normal earthquake-resistant wall that only extends in one direction, it is difficult to design the edge of the mural due to large overturning moments and shear forces.

In this invention, for an external force parallel to 1-2 in FIG.
(2) Since it is possible to bear mainly the shear force in 2-2 and axial force in 1-1, it is possible to withstand a larger overturning moment than a normal earthquake-resistant wall.

In addition, as shown in Figures 3 and 4, by adopting a columnar wall reinforcement method in which columnar reinforcements that are effective against axial force are connected, it can withstand greater axial force than conventional wall reinforcement methods. It becomes possible to create a unit earthquake-resistant wall that can endure.

Also, Special Publication No. 45-24104, Special Publication No. 4 B-
By applying the slit wall structure as shown in Japanese Patent No. 11,135 to form a unit seismic wall of the column wall shown in FIG. 3, its rigidity can be adjusted.

If a larger strength is required for the bridge, columns and beams are provided only on the outer periphery of the building, that is, on the outer periphery of the slab, forming a ζ rigid frame. Therefore, the interior of the frame consists only of walls and slabs, and no pillars or beams protrude into the room, making it possible to utilize the room more effectively and reduce the floor height.

[Brief explanation of the drawing]

FIG. 1 is a cross-sectional view of the frame according to the present invention, and FIG.
The I-1 cross-sectional view, FIGS. 3 and 4 are cross-sectional views showing the reinforcement state of the earthquake-resistant wall. FIG. 5 is a cross-sectional view of a column, FIG. 6 is a vertical cross-sectional view of a beam, and FIGS. 7, 8, and 9 are cross-sectional views of a frame showing other modified examples. ■...Unit shear wall, 2...Opening, 3.
...Slab, 4...Column, 5...
Beam, 6... Main reinforcement, 7... Hoop reinforcement, 8
...Spiral muscle, 9...Steel frame, 10
...Wall horizontal reinforcement, 11...Surisotho No. 7
Figure 139 Togo m-cho] λ

Claims (4)

[Claims] (1) A unit shear wall is formed in two directions with parallel walls arranged at least at a predetermined interval and a wall connecting these walls, and a plurality of the unit shear walls are independently established in the shape of a long and narrow tower. A superhigh-rise building frame characterized by being arranged in multiple floors and connected by slabs arranged in multi-story structures. (2) A unit earthquake-resistant wall is formed in two directions with parallel walls arranged at least at a predetermined interval and a wall connecting these walls, and a plurality of the unit earthquake-resistant walls are independently established in the shape of an elongated tower. 1. A superhigh-rise building frame characterized by being connected by slabs arranged in multiple stories, and having only columns or columns and beams arranged around the slabs. (3) The superhigh-rise building frame according to claim 1 or 2, wherein the unit seismic wall is a column wall. (4) The superhigh-rise building frame according to claim 1 or 2, wherein the walls and columns are of a reinforced concrete structure, or a steel frame, or a reinforced concrete structure.