JPH03187476A - Vibration removing and vibration proofing building - Google Patents

Abstract

PURPOSE:To facilitate the designing and construction of a vibration removing device by suspending a suspended floor in a body frame by a hanging support material from a slide ceiling connected onto an upper surface floor provided on the body frame in such a manner as to be capable of horizontally sliding, and constructing a building thereon. CONSTITUTION:The circumference of an upper surface floor 1 having open pores 8 formed thereon at proper intervales and a number of burying type bearings 9 arranged on the circumferential upper surface thereof is supported by pillars 2. In the bearing 9, a regulating rubber plate is laid in the channel 10 of the upper surface floor 1 of reinforced concrete, and a mounting plate 9a is fixed thereon. As for the pillars 2, steel pipe contrete pillars having high axial pressure resisting forces are used, with the height of about several layers to 10 layers, which are connected through buckling preventing connecting materials 12. A slide ceiling 4 connected onto the upper floor 1 in such a manner as to be capable of horizontally sliding is provided, and a building 7 is constructed on a suspended floor 5 suspended in a body frame 3 by a hanging support material 5. Hence, the action of earthquake power can be largely reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a seismic isolation/vibration-proof building that eliminates shaking during an earthquake and greatly reduces the action of seismic force on the structure.

[Conventional technology]

Many construction methods have been proposed for seismic isolation structures for buildings, especially buildings, which use various devices to insulate between the ground and the building.

There are various types of insulating devices such as hair rings and sliding temporary devices, but for example, the foundation part in the ground and the building part on the ground floor above it are separated, and the building is covered with laminated rubber etc. on the foundation part. The greenery will be cut and supported, and a damping device such as a steel rod damper or hydraulic damper will be interposed between the foundation part and the building part.

In this way, when an earthquake occurs, building parts supported by laminated rubber etc. do not resonate due to their long natural period, and the damping device converts vibration energy into thermal energy etc. and attenuates it, reducing shaking. The seismic force applied to the building is significantly reduced.

[Problem to be solved by the invention]

However, in conventional seismic isolation structures, all seismic isolation devices such as laminated rubber and damping devices are installed at the bottom of the building. Deformation and vertical deformation act simultaneously.

The effect of this rocking vibration becomes greater the higher the building is, so it has been difficult to seismically isolate high-rise buildings using conventional seismic isolation structures. Furthermore, when seismically isolating a mid- to low-rise building, it is necessary to take into account that the seismic isolation device undergoes vertical deformation as well as horizontal deformation. Therefore, in reality, it is necessary to use a combination of multiple seismic isolation devices with different functions, making the design and construction of seismic isolation devices extremely complicated.

An object of the present invention is to eliminate the disadvantages of the conventional example, simplify the design and construction of a seismic isolation device, and provide a seismic isolation/vibration-proof building that can be applied to high-rise buildings.

[Means to solve the problem]

In order to achieve the above-mentioned object, the present invention includes a body frame in which the periphery of the upper floor is supported by pillars, and a suspension suspended within the body frame by hanging supports such as wires from a sliding ceiling that is horizontally slidably joined to the upper floor. The gist is that it consists of a floor and a building constructed on the suspended floor.

[Effect]

According to the present invention, during an earthquake, the main frame vibrates due to the movement of the ground, but since the sliding ceiling freely slides horizontally against the upper floor of the main frame, all the vibrations of the main frame are absorbed by this part, and the The floor and the building above it do not move due to inertia. As a result, this suspended floor and the buildings above it are immune to vibrations during earthquakes.

In addition, since the horizontal force of the suspended floor and the building on it during an earthquake does not act on the frame, it is only necessary to support the long-term load (self-weight) of the suspended floor and the building on it, which is different from the conventional It is possible to significantly reduce the cross section of members compared to buildings.

[Example] Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a longitudinal sectional front view showing an embodiment of the seismic isolation/vibration-proof building of the present invention, which includes a main frame 3 and a sliding ceiling 4 that is horizontally slidably joined to the upper floor I of the main frame 3.
, a suspended floor 6 suspended within the main body frame 3 from the sliding ceiling 4 with suspension supports 5 such as wires, and a building 7 constructed on the suspended floor 6.

First, let me explain from the main frame 3, which is shown in Figure 2~
As shown in FIG. 6, pillars 2 support the periphery of an upper floor 1 in which rectangular or other openings 8 are formed at appropriate intervals and a large number of embedded bearings 9 are arranged side by side on the upper surface of the periphery. It is.

The bearing 9 has a groove 1 in the upper floor 1 of reinforced concrete.
0, lay the adjustment rubber plate 11 in this groove 10, and fix the mounting plate 9a thereon. This adjustment rubber plate 11 allows all bearings 9 to receive the load uniformly.

In addition, the columns 2 that support the periphery of this upper floor l are made of steel pipe concrete columns with high axial pressure resistance, and the height of the columns is about several to 10 layers, with a connecting material 12 in the middle to prevent buckling. Link.

In this way, as shown in FIG. 4, the main body frame 3 is
Below the upper floor 1 is an atrium surrounded by pillars 2.

Figures 7 and 8 show a sliding ceiling 4 that is horizontally slidably joined to the upper floor 1, and is made of SC concrete in which concrete 15 is filled in a steel frame 14 whose bottom surface is lined with a low-friction material 13. A cross-shaped reinforcing/fixing steel frame 16 was placed on the top of the board.

A wire opening 20 is provided at the intersection of this reinforcing/fixing steel frame 16.
and slide the ceiling 4 onto the bearing 9 on the upper floor 1.
is placed horizontally slidably, and the upper end of the high-tension wire as the hanging support 5 that passes through the SC concrete plate and the wire opening 20 is attached with seismic rubber 17 and washer 1.
It is fixed with a wire fixing metal fitting 19 with a wire 8 interposed therebetween.

In this way, the suspension support 5 is suspended within the main body frame 3 through the opening 8 in the upper floor 1, but as shown in FIGS. Installed.

This suspension floor 6 is also fixed to the suspension strut 5 by interposing seismic rubber 17 and washers 18 to the lower end of the suspension strut 5 and fastening it with fixed wire fasteners 19 in the same manner as the reinforcing/fixing steel frame 16. In addition, the seismic rubber 17 is attached to the suspension support 5
It is also possible to install it only at the upper or lower end.

Depending on the length of the hanging supports 5, the suspended floor 6 may have multiple levels at the top and bottom positions (furthermore, a multi-story building 7 may be constructed on the suspended floor 6).

Note that if both the upper floor 1 and the slide ceiling 4 are slightly curved so that their centers are lower, a restoring force can be obtained that allows them to always overlap. The bending of the upper floor caused by the load of the suspended floor 6 is sufficient for this curvature.

FIG. 11 shows another embodiment of the present invention.
This is a case where the first embodiment shown in the figure is made up of multiple layers.

That is, the main body frame 3 has a plurality of upper floors 1, each of which has a sliding ceiling 4 connected thereto, from which a suspended floor 6 is suspended and supported by suspension supports 5.

In this way, during an earthquake, the main frame 3 vibrates with the ground, and the upper floor 1 also moves horizontally, but since the sliding ceiling 4 is supported from the upper floor 1 by bearings 9, the suspended floor 6 and the upper floor 1 move horizontally. Building 7 does not move due to inertia.

All vibrations of the main body frame 3 are absorbed by the rotation of the bearings 9.

As a result, the horizontal force during an earthquake does not act on the suspended floor 6 and the building 7 above it at all.

On the other hand, since the horizontal force of the suspended floor 6 and the building 7 above it during an earthquake does not act on the frame 3, which receives direct vibration from the ground, only the long-term load (self-weight) of the suspended floor 6 and the building 7 above it is applied. What you support is enough.

〔Effect of the invention〕

As described above, in the seismic isolation/vibration-proof building of the present invention, by locating the insulating part between the ground and the building above the building, the long vibration of the building that occurs during an earthquake is prevented, and the seismic isolation device This not only simplifies the design and construction of buildings, but also provides stable seismic isolation and vibration isolation effects for high-rise buildings.

[Brief explanation of drawings]

Fig. 1 is a vertical sectional front view showing the first embodiment of the seismic isolation/vibration proof building of the present invention, Fig. 2 is a perspective view of the main frame, Fig. 3 is a plan view of the same, and Fig. 4 is a top and bottom view of the same. A cross-sectional plan view, FIG. 5 is a perspective view of the main parts of the above, FIG. 6 is a vertical side view of the upper surface pressure part of the above, FIG. 7 is a longitudinal side view of the sliding ceiling, FIG. 8 is a perspective view of the above, and FIG. 10 is a vertical sectional side view of the suspended floor and the building above it, FIG. 1O is a partial perspective view of the same, and FIG.
FIG. 2 is a longitudinal side view showing an example. 1...Top floor 2...Column 3...Structure frame 4...Sliding ceiling 5...
・Hanging support material 6... Hanging floor 7... Building
8...Opening hole 9...Hair ring 9a...
・Mounting plate 10...groove

Claims (1)

[Claims] A building frame that supports the periphery of the upper floor with columns, a suspended floor that is suspended within the frame using hanging supports such as wires from a sliding ceiling that is horizontally slidably joined to the upper floor, and a building constructed on the suspended floor. A seismic isolation/vibration-proof building characterized by consisting of.