JPH07238618A - High floor structure - Google Patents

Abstract

PURPOSE:To reduce assembly work of columns and beams at site so as to improve work efficiency by providing a plurality of units in which a beam is formed into square in plan view and columns are provided integrally at corners of the beam on which floor member is provided on its top face, fixing them at a fixed interval, and connecting them each other by means of connecting beams. CONSTITUTION:Columns 3 are joined integrally at each corner of a beam 2 formed into square in plan view to constitute high floor frame units 1. A space below floor among the columns 3 is set to a predetermined interval so that piping can be arranged. The units 1 are fixed on a top face of a foundation slab. Furthermore, the units 1 are connected by means of connecting beams 7. Also, an oblique member 11 is attached to prevent vibration. Consequently, it is possible to omit the work process in which the columns 3 are fitted at site, and it is possible to correspond easily to a change of layout such as change of position of ducts by determining the position of the units and connecting the units by means of the connecting beams.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a raised floor structure for easily passing air conditioning ducts, pipes, etc. under the floor of a clean room, a laboratory, a factory or the like.

[0002]

2. Description of the Related Art Conventionally, in a clean room, a high floor structure has been adopted in which a floor surface is maintained at a constant height to form an underfloor space, and an air conditioning duct for exhaust and intake is passed through the underfloor space. Has been done. This high-floor structure is one in which the columns are erected at relatively close intervals, the intervals between the columns are increased in the parts through which the air-conditioning duct passes, and the floor surface is formed on the upper surfaces of these columns via beams. The space surrounded by columns and beams is the underfloor space.

[0003]

By the way, in the above-mentioned high floor structure, since all the columns and beams are assembled on site, the number of work steps on site increases, resulting in poor work efficiency. There is a problem, and further, it is necessary to appropriately change the layout of the pillars in accordance with the change in the position of the air conditioning duct, and there is a problem that a great deal of labor is required for the work at that time.

The present invention has been made in view of the above circumstances, and reduces the on-site assembling work of pillars and beams to improve the work efficiency on the site and to adjust the position of the air conditioning duct. The purpose is to provide a high floor structure that allows the layout of columns to be easily changed.

[0005]

In order to achieve the above object, in the first invention, a beam formed in a quadrangular shape in plan view and provided with a floor material on its upper surface, and a beam integrally formed at the corner portion of the beam. The present invention is characterized in that a plurality of units each including a column provided are provided, and these units are fixed at regular intervals, and these units are connected to each other by a connecting beam.

A second invention is characterized in that, in the first invention, the beam of the unit is formed in a square shape in a plan view.

A third invention is characterized in that, in either of the first and second inventions, the unit is provided with an oblique member for preventing horizontal vibration.

[0008]

According to the first aspect of the present invention, a plurality of units each including a beam formed in a quadrangular shape in plan view and a column integrally provided with the beam at a corner portion of the beam are prepared. The unit is fixed on the upper surface of the unit at a fixed interval, and these units are connected to each other by connecting beams, that is, the unit is used as a unit to assemble a raised floor. You can bring it to the site after
It is possible to omit a troublesome work process such as assembling a pillar on the spot.

Further, according to the first aspect of the invention, since the raised floor is assembled in units, the position of the unit is first determined and the position of the unit is first determined when changing the layout such as changing the position of the air conditioning duct. Therefore, it is possible to easily cope with this by connecting the connecting beam between the units. Further, in the first aspect of the present invention, a unit composed of a beam formed in a quadrangular shape in a plan view and a column integrally provided with the beam at a corner portion of the beam is concentrated at the same work site such as a factory. Can be created dynamically.

According to the second aspect of the invention, since the beams of the units are formed in a square shape in plan view, the units are connected to each other by arranging the units in the x direction and the y direction at the same intervals as the columns. It is sufficient to prepare one kind of connecting beam having the same length as the beam of the unit.

According to the third aspect of the present invention, since the unit is provided with the diagonal member, even if a device for generating vibration is installed on the unit, the diagonal member causes the unit to move horizontally. Vibration is prevented.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. In these figures, reference numeral 1 is a high floor frame unit (a portion surrounded by a chain double-dashed line in FIG. 2), which is a beam 2 formed in a square shape in plan view, and a beam 2
The beam 2 and the column 3 are joined to each other by welding. In addition, these raised floor frame units 1 have pillars 3
The space between the pillars 3 (indicated by m) and the space between the high floor frame units 1 (indicated by n) in the high floor frame unit 1 so that the air conditioning duct D and the pipes P can be arranged in the underfloor spaces 50 to 54.
Is about 1500 mm, and the length of the pillar 3 is set to about 850 mm.

Further, these raised floor frame units 1 are shown in FIG.
As shown in FIG. 1, many units are arranged along the x-direction and the y-direction, and these intervals (indicated by n) are set in the unit 1
Set to the same as the spacing between the pillars 3 (indicated by m), and
As shown in FIG. 1, the lower portion of each pillar 3 is fixed by a bolt 6 to a base slab 5 with a mortar 4 interposed. The beams 2 and columns 3 of each of the high floor frame units 1 are welded in a factory and then installed on site as shown in FIGS.

The raised floor frame units 1 are connected to each other by connecting beams 7 as shown in FIGS. These connecting beams 7 are set to have the same length as the beams 2 of the high floor frame unit 1 (that is, the same as the distance m between the beams 3), and the ends thereof are connected via high tension bolts 8. It is adapted to be fixed to the outside of the pillar 3 of each raised floor frame unit 1. Also, these connecting beams 7
Are arranged on the extension lines of the beams 2 of the high floor frame unit 1, and are also arranged between the beams 2 so as to be parallel to each other at relatively close intervals (intervals of about 500 mm).

Further, as shown in FIG. 1, on the upper surfaces of these raised floor frame units 1, floor legs 9 are erected at regular intervals (intervals of about 500 mm) along the x and y directions.
A floor material 10 is provided on the floor legs 9 so as to be horizontal. The floor material 10 is provided corresponding to the space between the floor legs 9, and is, for example, 500 × 500 mm.
The size is laid out.

A diagonal member 11 for preventing vibration is attached to the high floor frame unit 1. As shown in FIG. 1, one end of each of the diagonal members 11 is fixed to the lower portion of the pillar 3 via a fixing member 12, and the other end of the diagonal member 11 is fixed to a joint portion between another upper portion of the pillar 3 and the beam 2. Is fixed through. Even if a device for generating vibration is installed on the floor material 10 on the high floor frame unit 1 by such a diagonal member 11, the high floor frame unit 1 may vibrate in the horizontal direction by the diagonal material 11. Being prevented
Vibration of the entire floor is prevented. The diagonal member 11 may be provided for each high-floor frame unit 1, or may be provided only for the high-floor frame unit 1 in which a device that generates vibration is installed.

In the raised floor structure described in detail above, the raised floor frame unit 1 is composed of a beam 2 formed in a quadrangular shape in a plan view and a column 3 integrally provided with the beam 2 at a corner of the beam 2. Since the raised floor is assembled as described above, the raised floor frame unit 1 can be assembled at a place other than the site (a factory in this embodiment) and then brought to the site, whereby the pillar 3 is assembled at the site, etc. The troublesome work process can be omitted, and the work efficiency can be improved. Further, in the raised floor structure of the present embodiment, since the raised floor is assembled by using the raised floor frame unit 1 as a unit, even when the layout is changed such as when the positions of the air conditioning duct D and the pipe P are changed, the raised floor frame unit is first. 1 position is determined, and then the connecting beams 7 are connected between the high-rise frame units 1.
It is possible to easily deal with the problem by connecting with, and it is possible to greatly improve the workability when changing the layout. Further, in the high floor structure of the present embodiment, a high floor frame unit 1 including a beam 2 formed in a quadrangular shape in a plan view and a column 3 integrally provided with the beam 2 at a corner of the beam 2 is installed in a factory or the like. Since it can be created intensively at the same work site of
In this respect as well, improvement of work efficiency when assembling a high floor can be expected.

Further, in the high floor structure of this embodiment, the beams 2 of the high floor frame unit 1 are formed in a square shape in a plan view, and the high floor frame units 1 are arranged in the x direction at the same intervals as the columns 3 in the high floor frame unit 1. Since they are arranged in the y direction, it is sufficient to prepare one kind of connecting beam 7 for connecting the high floor frame units 1 to each other having the same length as the beam 2 of the high floor frame units 1,
It is also advantageous in terms of construction cost.

It should be noted that the numerical values indicating the intervals between the raised floor frame units 1 and the lengths of the beams 2 and columns 3 shown in this embodiment are merely examples, and the present invention is not limited to these. Further, in the present embodiment, the interval n between the high-floor frame units 1 and the distance m between the beams 3 in the high-floor frame unit 1 are made to coincide with each other, but this is not essential, and the point is with respect to the x and y directions. It may be arranged so that they are the same. Further, in the present embodiment, the beams 2 of the high floor frame unit 1 are arranged in a square shape, but the present invention is not limited to this and may be arranged in a rectangular shape.

Further, in this embodiment, the high floor frame unit 1
In addition to the arrangement of the diagonal member 11, one end is fixed to the lower part of the pillar 3 via the fixing member 12 and the other end is connected to the upper part of the other pillar 3 similarly to the arrangement of the diagonal member 11. It is preferable that a damping device such as a hydraulic cylinder is provided so that the damping device is fixed to a fixing member 13 that is a connecting portion with the beam 2 so that the whole is inclined. With this configuration, even when the high floor frame unit 1 vibrates in the horizontal direction due to the vibration from the equipment,
This vibration can be effectively damped. Further, in this embodiment, the underfloor space 50 of the high floor frame unit 1
54 to 54, the air conditioning duct D and the pipe P are arranged in the underfloor space 50, but the present invention is not limited to this.
It goes without saying that they may be arranged in any of the four.

[0021]

As is apparent from the above description, according to the first aspect of the present invention, a unit including a beam formed in a quadrangular shape in a plan view and a column integrally provided at the corner portion of the beam. A plurality of are prepared, these units are fixed to the upper surface of the foundation slab at regular intervals, and these units are connected to each other by connecting beams, that is, the unit is a unit to construct a raised floor, It is possible to assemble the unit at a place other than the site and then bring it to the site, which makes it possible to omit troublesome work steps such as assembling pillars at the site, and to improve work efficiency. It will be possible.

Further, in the first aspect of the present invention, since the raised floor is assembled in units, the position of the unit is first determined and the position of the unit is first determined when changing the layout such as changing the position of the air conditioning duct. Then, it is possible to easily cope with the problem by connecting the connecting beams between the units, and it is possible to improve the workability when changing the layout. Further, in the first aspect of the present invention, a unit composed of a beam formed in a quadrangular shape in a plan view and a column integrally provided with the beam at a corner portion of the beam is concentrated at the same work site such as a factory. In this respect as well, it is possible to expect an improvement in work efficiency when assembling a raised floor.

According to the second aspect of the invention, since the beams of the units are formed in a square shape in a plan view, the units are connected to each other by arranging the units in the x direction and the y direction at the same intervals as the intervals between the columns. As for the connecting beam, it is sufficient to prepare one kind of beam having the same length as the beam of the unit, which is advantageous in terms of construction cost.

According to the third aspect of the invention, since the unit is provided with the diagonal member, even if a device for generating vibration is installed on the unit, the diagonal member causes the unit to move in the horizontal direction. The vibration of the entire floor is prevented and the vibration of the entire floor is prevented.

[Brief description of drawings]

FIG. 1 is a front view showing a raised floor structure of the present invention.

FIG. 2 is a plan view of FIG.

[Explanation of symbols]

 1 High floor frame unit (unit) 2 Beam 3 Pillar 5 Foundation slab 10 Floor material 11 Diagonal material

Claims (3)

[Claims] 1. A plurality of units each comprising a beam formed in a quadrangular shape in a plan view and provided with a flooring material on the upper surface thereof, and a column integrally provided with the beam at a corner portion of the beam, and these units are fixed. The high floor structure is characterized in that the units are fixed at intervals and are connected to each other by connecting beams. 2. The raised floor structure according to claim 1, wherein the beams of the unit are formed in a square shape in a plan view. 3. The raised floor structure according to claim 1, wherein the unit is provided with a diagonal member for preventing horizontal vibration.