JPH05148918A - Double steel pipe column laying structure for building - Google Patents

Abstract

PURPOSE:To enhance an efficient use of space by storing an inner column being a column which supports an oscillation generation source in an outer column being a column which supports the frames of a building, thereby preventing the column supporting the oscillation generating source from being positioned at a part of space of floors below the oscillation generating source. CONSTITUTION:A double steel pipe column structure is composed of an inner column 10 and an outer column 11 which forms a part of a plurality of columns for supporting a building 3. The outer column 11 constitutes a part of frames of the building 3 while the inner column 10 supports a floor board 5 on which an oscillation generating source such as a railroad track 2 to the building 3 is placed. The inner column 10 is arranged in a manner to move freely in the vertical direction to the outer column 11 and a lower end of the inner column 10 is arranged to penetrate the frame of the building 3 and is supported with the ground 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a solid vibration caused by a vibration source of a building having a vibration source such as a railroad track, a road, and other mechanical vibrations therein, and a vibration sound accompanying the solid vibration. TECHNICAL FIELD The present invention relates to a double steel pipe column frame structure of a building suitable as a technique for shutting off the above.

[0002]

2. Description of the Related Art In a building such as a station building or a terminal building in which a vibration source such as a railroad track or an elevated road is pulled in, a solid vibration from the vibration source or a vibration sound accompanying it is generated. Various methods to block or reduce have been adopted conventionally

As a conventional vibration isolation method in, for example, a station building, a method shown in FIG. 13 or 14 is known. Of these, the one shown in FIG.
By laying a vibration damping mat made of hard elastic rubber or the like or a cushioning material having a large vibration isolation effect such as a spring under the track 2 of the railway vehicle 1, the structure (floor) 4 of the building 3 is affected. It is configured to reduce vibration.

Further, in the structure shown in FIG. 14, a frame structure including a floor slab 5 for supporting a track and a column 6 for supporting the floor slab 5 is constructed independently of the foundation separately from the frame of the building 3. The lower end of the pillar 6 of this frame is configured to penetrate the frame of the building 3 and to be supported by the foundation pile 8 in the ground 7.

[0005]

However, the conventional vibration isolation method as described above has the following problems. First, in the method shown in FIG. 13, since the weight of the vibration source is considerably large including the vehicle, the rigidity of the vibration isolating cushioning material must be correspondingly increased. In order to give the cushioning function to the cushioning material, the structure must be contradictory, so that the sufficient vibration isolation effect cannot be exhibited, and it cannot be said to be a fundamental solution.

On the other hand, in the method shown in FIG. 14, the frame having the floor slab 5 on which the track 2 is mounted and the pillar 6 supporting the floor slab 5 is an independent frame separate from the skeleton of the building. Therefore, the vibration isolation effect and the solid sound transmission sound isolation effect are effectively exhibited, and although this makes it possible to use the building with high added value, in the floor below the track,
In addition to the pillar 9 that supports the frame of the building, there is a pillar 6 that has an independent frame that supports the track 2. As a result, there is a problem that the utility value of the space is reduced.

The present invention has been made in consideration of the above points, and effectively and effectively exerts a vibration isolation effect and a solid sound transmission sound isolation effect, while efficiently and highly adding value to the interior space of a building. It is intended to provide a double steel pipe column frame structure of a building that can be utilized effectively.

[0008]

The invention according to claim 1 is
A part of a plurality of pillars supporting a building is an inner and outer double steel tube pillar structure consisting of an inner pillar and an outer pillar, and the outer pillar constitutes a part of the skeleton of the building, and the inner pillar is Supporting the floor slab on which the vibration source for the building is placed,
Further, the inner pillar is configured to be movable relative to the outer pillar in its own axial direction, and the lower end of the inner pillar is supported by the ground through the body of the building. ..

According to a second aspect of the present invention, the displacement restraint means for restraining the relative movement of the inner pillar in the horizontal direction with respect to the outer pillar and allowing the relative movement in the vertical direction between the inner pillar and the outer pillar. It is characterized by the provision of.

According to a third aspect of the present invention, a displacement suppressing means is provided between the inner column and the skeleton for restraining relative movement of the inner column in the horizontal direction with respect to the skeleton and permitting relative movement in the vertical direction. It is characterized by that.

[0011]

According to the first aspect of the present invention, the inner pillar, which is the pillar of the frame that supports the vibration source, is accommodated in the outer pillar, which is the pillar that supports the frame of the building. The columns below the vibration source do not occupy a part of the floor space because there are separate columns of the frame that support the vibration source, and the space can be used efficiently.

According to the second and third aspects of the invention, the horizontal relative movement of the inner pillar is restrained between the inner pillar and the outer pillar, or between the inner pillar and the skeleton, and vertically. Since the displacement restraint means that allows the relative movement of the inner column is provided, a large restraining force with respect to the horizontal force of the inner column can be obtained.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings. 1 to 4 show a double steel pipe column frame structure of a building according to the present invention. In these drawings,
The same parts as those in FIGS. 13 and 14 shown as the conventional example are designated by the same reference numerals. In the embodiment, a part of the plurality of columns supporting the building 3 has an inner and outer double steel pipe column structure composed of an inner column 10 and an outer column 11, and the outer column 11
Is a part of the structure of the building 3, and the inner pillar 10 is the building 3
Is configured to support the floor slab 5 on which the track 2 of the railway vehicle 1 that is a vibration source is mounted. Furthermore, the inner pillar 10 is configured to be movable relative to the outer pillar 11 in its own axial direction, that is, in the vertical direction, and the lower end of the inner pillar 10 is a foundation part that is a part of the skeleton of the building. It penetrates 12 and is respectively supported by the foundation pile 13 in the ground 7.

The outer column 11 has an outer peripheral portion shown in FIGS.
As shown in FIG. 4, the beams 14 in the layer h portion below the floor slab 5 supporting the track 2 are connected to each other through the diaphragm 15 and are integrated with the body of the building 3. The frame structure is of a frame style with high earthquake resistance. In addition, in the embodiment, the inner pillar 10 is supported by the foundation pile 13, but the outer pillar 11 is integrally supported by the foundation pile 16 that supports the foundation portion 12 of the building 3. In this embodiment, the inner pillar 10 is filled with concrete 17. However, the concrete 17 may be filled as necessary, and if necessary, a reinforcing material such as a reinforcing bar may be contained in the concrete 17. May be embedded.

Further, the inner column 10 supporting the vibration source is
When it becomes a long independent pillar like the embodiment due to the relationship with the layer h part, it becomes unstable with respect to the horizontal force at the time of an earthquake and the like, so near the upper end of the outer pillar 11 in the horizontal direction of the inner pillar 10. Displacement restraining means 20 is provided for restraining the relative movement of the above and allowing the relative movement in the vertical direction.

FIGS. 5 and 6 show the displacement suppressing means 20.
In the first embodiment, the space between the inner column 10 and the outer column 11 is filled with a flexible filler 21 such as glass wool. The filling material 21 may be filled only in the vicinity of the uppermost portion of the outer column 11 as in the illustrated example, or may be filled entirely.

FIGS. 7 and 8 show a second embodiment of the displacement suppressing means 20. In this embodiment, a so-called laminated rubber 22 in which rubber and steel plate are stacked is provided between the inner column 10 and the outer column 11. It was loaded in. Since the laminated rubber 22 has a very high rigidity (proof strength) in the laminating direction and has flexibility in the direction of displacement (vertical direction), the laminating rubber 22 is loaded by laminating the laminated rubber 22 as shown in the figure. It is loaded so that the direction and the radial direction of the inner column 10 and the outer column 11 are matched.

FIGS. 9 and 10 show a third embodiment of the displacement suppressing means 20, in which the inner column 10 and the outer column 1 are shown.
The bearing 23 is mounted between the first and second bearings. In this case, the horizontal displacement of the inner column 10 is mechanically suppressed, and only the vertical displacement is allowed.

11 and 12 show the displacement suppressing means 20.
4 shows a fourth embodiment of the present invention, in this embodiment, the inner pillar 10
The link 25 having the two-point hinges 24, 24 is connected between the outer peripheral portion of the inner column 10 and the frame such as the beam 14 connected to the outer column 11 so that the relative displacement of the inner column 10 in the vertical direction with respect to the outer column 11 is increased. This is an allowable configuration. The displacement restraint means 20 is not limited to the above embodiment, but may be any structure that restrains the horizontal relative displacement of the inner column 10 with respect to the outer column 11 or the skeleton and allows the vertical relative displacement. It goes without saying that other displacement suppressing means may be adopted.

[0020]

As described above, according to the present invention, a part of a plurality of pillars for supporting a building has an inner and outer double steel pipe pillar structure composed of an inner pillar and an outer pillar, and The pillar constitutes a part of the skeleton of the building, the inner pillar is configured to support a floor slab on which a vibration source for the building is placed, and further, the inner pillar is self-contained with respect to the outer pillar. In addition to being configured to be relatively movable in the axial direction of the inner pillar, the lower end of the inner pillar has a structure in which it is supported on the ground by penetrating the body of the building. However, it will be accommodated in the outer pillar that is the pillar that supports the frame of the building, and there is a separate frame pillar that supports the vibration source in the hierarchy below the vibration source in this building. It no longer occupies a portion of its hierarchical space, thus making efficient use of space. Rukoto can.

Further, the vibration from the vibration source is directly transmitted to the ground through the inner pillar, and the vibration to the skeleton of the building, the solid sound, etc. are sufficiently blocked, so that the vibration blocking effect and the solid The present invention has an excellent effect that the internal space can be efficiently and highly value-added used while effectively exerting the transmission sound blocking effect and the like. In addition, when a displacement suppression mechanism is provided between the inner pillar and the outer pillar, or between the inner pillar and the skeleton, which restrains the relative movement of the inner pillar in the horizontal direction and allows the movement in the vertical direction. Has a large restraining force against the horizontal force of the inner column during an earthquake, etc., and thus can have a structure with excellent earthquake resistance.

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional view showing a double steel pipe frame structure of a building according to the present invention.

FIG. 2 is a vertical sectional view of a main part according to the present invention.

FIG. 3 is a partial cross-sectional plan view of a main part according to the present invention.

FIG. 4 is a partial cross-sectional side view of a main part according to the present invention.

FIG. 5 is a cross-sectional view of a displacement suppressing means according to the present invention.

FIG. 6 is a vertical cross-sectional view of a displacement suppressing means according to the present invention.

FIG. 7 is a cross-sectional view of a displacement suppressing means according to the present invention.

FIG. 8 is a vertical cross-sectional view of the displacement suppressing means according to the present invention.

FIG. 9 is a cross-sectional view of a displacement suppressing means according to the present invention.

FIG. 10 is a vertical cross-sectional view of the displacement suppressing means according to the present invention.

FIG. 11 is a cross-sectional view of a displacement suppressing means according to the present invention.

FIG. 12 is a vertical cross-sectional view of the displacement suppressing means according to the present invention.

FIG. 13 is a schematic vertical sectional view showing a conventional example.

FIG. 14 is a schematic vertical sectional view showing another conventional example.

[Explanation of symbols]

 2 Orbits 3 Buildings 5 Floor slabs 6, 9 Pillars 7 Ground 8 Foundation piles 10 Inner columns 11 Outer columns 12 Foundations 20 Displacement suppressing means

Claims (3)

[Claims] 1. A part of a plurality of pillars for supporting a building has an inner and outer double steel pipe pillar structure composed of an inner pillar and an outer pillar, and the outer pillar constitutes a part of a skeleton of the building. , The inner pillar is configured to support a floor slab on which a vibration generation source for the building is mounted, and further, the inner pillar is configured to be relatively movable in the axial direction of itself with respect to the outer pillar, A double steel pipe column structure structure for a building, wherein a lower end of the inner pillar penetrates a structure of the building and is supported by the ground. 2. Displacement suppressing means is provided between the inner pillar and the outer pillar to restrain the relative movement of the inner pillar in the horizontal direction with respect to the outer pillar and to allow the relative movement in the vertical direction. The double steel pipe column frame structure of the building according to claim 1. 3. Displacement suppressing means is provided between the inner column and the skeleton, for restraining relative movement of the inner column in the horizontal direction with respect to the skeleton and permitting relative movement in the vertical direction. The double steel tubular column frame structure of the building according to claim 1.