JP3218526B2 - High floor structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-floor structure for easily passing air-conditioning ducts and pipes under floors of clean rooms, laboratories, factories and the like.

[0002]

2. Description of the Related Art Conventionally, a clean room employs a high-floor structure in which a floor surface is maintained at a fixed height to form an underfloor space, and an air conditioning duct for exhaust and intake air is passed through the underfloor space. Have been. In this high-floor structure, the pillars are erected at relatively close intervals, and where the air-conditioning duct passes, the spacing between the pillars is increased, and the floor surface is formed on the upper surface of these pillars via beams. The part 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 at the site, the number of work steps at the site increases, and the work efficiency deteriorates. There is a problem, and further, the layout of the pillars needs to be appropriately changed in accordance with the change in the position of the air-conditioning duct, and there has been a problem that the work at that time requires a great deal of labor.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and aims to reduce the on-site assembling work of pillars and beams, improve the work efficiency at the site, and adjust the position of the air conditioning duct. It is another object of the present invention to provide a high-floor structure that can easily change the layout of columns.

[0005]

According to a first aspect of the present invention, there is provided a beam having a square shape in plan view and having a floor material provided on an upper surface thereof, and a beam integrally provided at a corner of the beam. was a unit consisting of a pillar and a plurality equipped, together with these units are fixed at regular intervals in the X and Y directions orthogonal to each other, these units are the unit
Are connected to each other by a connecting beam having the same length as that of the first beam.

[0006] In the second invention, the first in the present invention, the upper
The unit has diagonal material to prevent horizontal vibration
Is provided.

[0007]

According to the first aspect of the present invention, a plurality of units each including a beam formed in a square shape in a plan view and columns provided integrally with the beam at corners of the beam are prepared, and these units are used as a base slab. The unit is fixed at regular intervals in the X and Y directions orthogonal to each other on the upper surface , and these units are attached to the unit.
It is a configuration that is connected to each other by connecting beams of the same length as the beam of the unit, that is, a configuration in which a high floor is assembled in units of a unit, so that the unit is assembled at a place other than the site and then brought to the site. Accordingly, troublesome work steps such as assembling a pillar on site can be omitted.

In the first aspect of the present invention, the raised floor is assembled in units of units. Therefore, when changing the layout of the air conditioning duct or the like, the position of the unit is determined first, and then the layout is changed. Accordingly, it is possible to easily cope with the problem by connecting the connecting beams between the units.

According to the first aspect of the present invention, a unit including a beam formed in a square in a plan view and a column provided integrally with the beam at a corner of the beam is provided in the same unit such as a factory. Can be created intensively at the work site.

In the first invention, the beams of the unit are formed in a square shape in plan view. For example, if the units are arranged in the x direction and the y direction at the same interval as the column,
It is sufficient to prepare one kind of connecting beam for connecting the units to each other with the same length as the beam of the unit.

According to the second aspect of the present invention, since the unit is provided with the diagonal member , even if a device that generates vibrations is installed on the unit, the unit can be moved in the horizontal direction by the diagonal member. Vibration is prevented.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. In these figures, what is indicated by reference numeral 1 is a raised floor frame unit (a portion surrounded by a two-dot chain line in FIG. 2), and a beam 2 and a beam 2 formed in a square in plan view.
Each of the corners is composed of the beam 2 and a column 3 provided integrally, and the beam 2 and the column 3 are joined to each other by welding. In addition, these raised floor frame units 1
An interval (indicated by m) between columns 3 in the high-floor frame unit 1 and an interval (indicated by n) between the high-floor frame units 1 so that the air-conditioning duct D and the pipe P can be arranged in the underfloor spaces 50 to 54 therebetween.
Is set to about 1500 mm, and the length of the column 3 is set to about 850 mm.

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

These high-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 interval m between the beams 3), and the ends thereof are connected via high tension bolts 8. Each of the raised floor frame units 1 is fixed to the outside of the column 3. In addition, these connecting beams 7
Are arranged on the extension of the beam 2 of the high-floor frame unit 1, and are arranged between the beams 2 at relatively close intervals (interval of about 500 mm) so as to be parallel to each other.

As shown in FIG. 1, floor legs 9 are erected on the upper surface of the raised floor frame unit 1 at regular intervals (intervals of about 500 mm) along the x and y directions orthogonal to each other . 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 interval between the floor legs 9 and is, for example, 50
Objects having a size of 0 × 500 mm are laid.

Further, an oblique member 11 for preventing vibration is attached to the raised floor frame unit 1. As shown in FIG. 1, these oblique members 11 have one end fixed to the lower part of the column 3 via the fixing member 12, and the other end fixed to the joint between the upper part of the other column 3 and the beam 2. Has been fixed through. And, even if a device that generates vibration is installed on the floor member 10 on the raised floor frame unit 1 due to the diagonal member 11, the raised floor frame unit 1 may vibrate in the horizontal direction due to the diagonal member 11. Being prevented,
Vibration of the entire floor is prevented. Note that such an oblique 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 high-floor structure described in detail above ,
Since the stilt frame unit 1 is composed of a stilt frame unit 1 composed of a beam 2 formed in a square and a pillar 3 provided integrally with the beam 2 at a corner of the beam 2, the slab unit 1 is After assembling at a place other than the site (in this embodiment, a factory), it can be brought to the site, and a troublesome work process such as assembling the pillar 3 at the site can be omitted. Improvement can be achieved. Further, in the high floor structure of the present embodiment, since the high floor is assembled by using the high floor frame unit 1 as a unit, even when the layout is changed when the positions of the air conditioning duct D and the pipe P are changed, the high floor frame unit is first used. 1 and then connect the connecting beams 7 between the raised floor frame units 1.
Can be easily dealt with by linking them, and the workability when changing the layout can be greatly improved. Further, in the raised floor structure of the present embodiment, a raised floor frame unit 1 including a beam 2 formed in a square shape in a plan view and a column 3 provided integrally with the beam 2 at a corner of the beam 2 is installed in a factory or the like. Since it can be intensively created at the same work site, improvement of work efficiency when assembling a high floor can be expected also in this regard.

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

It should be noted that the numerical values indicating the distance between the high-floor frame units 1 and the lengths of the beams 2 and the columns 3 shown in the present embodiment are merely examples, and the present invention is not limited thereto.

In this embodiment, the raised floor frame unit 1
In addition to this, similarly to the arrangement of the diagonal members 11, one end is fixed to the lower part of the column 3 via the fixing member 12, and the other end is connected to the upper part of the other column 3. It is preferable to provide a damping device such as a hydraulic cylinder which is fixed to the fixing member 13 which is a connecting portion with the beam 2 and which is entirely inclined. With such a configuration, even when the raised floor frame unit 1 vibrates in the horizontal direction due to vibration from the device,
This vibration can be effectively attenuated. In this embodiment, the underfloor space 50 of the high-floor frame unit 1 is used.
Although the air-conditioning duct D and the pipe P are arranged in the underfloor space 50 in the to -floor spaces 50 to 54, the invention is not limited thereto.
Needless to say, it may be arranged at any one of the four positions.

[0021]

As is apparent from the above description, according to the first aspect, a unit including a beam formed in a square shape in a plan view and a column provided integrally with the beam at a corner of the beam is provided. It provides multiple, mutually these units on the upper surface of the base slab
At fixed intervals in the X and Y directions perpendicular to each other, these units are fixed at the same length as the beam of the unit.
Since the configuration is such that the unit is united to assemble a high floor, the unit can be assembled at a place other than the site and brought to the site. It is possible to omit a troublesome work process such as assembling a pillar, and to improve work efficiency.

Further, in the first invention, since the raised floor is assembled in units of units, the layout of the air conditioner duct is changed when the position of the air conditioning duct is changed. Therefore, it is possible to easily cope with the problem by connecting the connecting beams between the units, and it is also possible to improve the workability when changing the layout. Further, in the first invention, a unit composed of a beam formed into a square in a plan view and a column integrally provided with the beam at a corner of the beam is concentrated at the same work site such as a factory. , So in this regard,
It can be expected to improve work efficiency when assembling the raised floor.

Further , in the first invention, since the beams of the unit are formed in a square shape in plan view, for example, if the units are arranged in the x direction and the y direction orthogonal to each other at the same interval as the column, the unit It is sufficient to prepare only one kind of connecting beam for connecting the members with the same length as the beam of the unit, and the effect that the construction cost is advantageous can be obtained.

According to the second aspect of the present invention, the unit is provided with the diagonal member. Therefore, even if a device for generating vibration is installed on the unit, the unit can be horizontally moved by the diagonal member. And the entire floor is prevented from vibrating.

[Brief description of the drawings]

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

FIG. 2 is a plan view of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 High-floor frame unit (unit) 2 Beam 3 Column 5 Foundation slab 10 Floor material 11 Diagonal material

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-3-271441 (JP, A) JP-A-47-21912 (JP, A) JP-A-3-103546 (JP, A) JP-A-5-103546 179694 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04B 5/02 E04B 5/48

Claims (2)

(57) [Claims] 1. A plurality of units each comprising a beam formed into a square in plan view and provided with a floor material on the upper surface thereof, and a column provided integrally with the beam at a corner of the beam.
Is fixed at regular intervals in the X and Y directions orthogonal to each other, the beams of these units is the unit
A high floor structure characterized by being connected to each other by connecting beams of the same length as . The method according to claim 2, wherein said unit, characterized in that it oblique member is provided for preventing horizontal vibration 請
The raised floor structure according to claim 1 .