JP2001090239A - Floor structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floor structure which is relatively simple in structure and can prevent its floor grating noise. SOLUTION: A floor structure 1 is constructed by assembling longer side beams 11, 11 and shorter side beams 12, 12 into a rectangular frame 10 having a rectangular shape in a plan view, installing a plurality of horizontal floor joists 13, 13,... in the rectangular frame 10 across the longer side beams 11, 11, in a manner being in parallel with the shorter side beams 12, 12 at predetermined intervals, and supporting floor board materials 15 on an upper surface side by the rectangular frame 10 and the horizontal floor joists 13, 13,.... In this structure, a cushioning material 15 is interposed between a lower surface of each horizontal floor joist 13 and each longer side beam 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a floor structure,
In particular, the present invention relates to a floor structure in which a joist is provided inside a rectangular frame formed by assembling a long side beam and a short side beam into a rectangular shape in a plan view.

[0002]

2. Description of the Related Art In a building such as a house, a floor noise may be generated when walking on the floor. In such a case, for example, by increasing the rigidity of the floor, floor noise can be prevented. As a technique for increasing the rigidity of the floor, for example, a technique described in Japanese Patent Application Laid-Open No. H10-176373, “Floor Structure, Building Unit, and Unit Building” is known. In this technology, fitting grooves are provided at regular intervals in the longitudinal direction of the upper surface of the main joists arranged at regular intervals, and the auxiliary joists are provided in the fitting grooves, and the upper surface thereof is substantially the same as the upper surface of the main joists. The floor structure is assembled so as to be flush and fitted in the orthogonal direction.

[0003]

However, in the above technique, it is necessary to form a plurality of fitting grooves in all the main joists, and it is necessary to fit auxiliary joists in the fitting grooves. The production of the body was very time-consuming. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a floor structure having a relatively simple structure and capable of preventing floor noise.

[0004]

In order to solve the above-mentioned problems, a floor structure 1 according to claim 1 (for example, see FIG. 2)
A plurality of horizontal joists 1 are provided inside a rectangular frame 10 formed by assembling the long side beams 11, 11 and the short side beams 12, 12 into a rectangular shape in plan view.
Are erected between the long beams 11, 11 in parallel with the short beams 12, 12 at a predetermined interval, and the floor plate 14 is provided on the upper surface side with the rectangular frame 10 and the horizontal joists 13, 13,. Are provided between the lower surfaces of the lateral joists 13 and the long side beams 11, 11 in the floor structure 1 provided in a state supported by. Here, the rectangular frame 10 formed by assembling the long-side beams 11, 11 and the short-side beams 12, 12 into a rectangular shape in a plan view is made of, for example, lightweight steel such as a channel material.
Are constituted by, for example, square members, and the floor plate member 14 is constituted by, for example, a particle board.
Reference numeral 15 is made of, for example, hard rubber. As shown in FIG. 4, for example, the floor structure 1 has pillars 101, 101,... Erected at four corners thereof, and these pillars are connected to the long ceiling beams 111, 111 and the short ceiling. Building unit 100 connected with side beams 112, 112
May be used as a floor.

According to the floor structure 1 of the first aspect,
A plurality of horizontal joists 13, 13,... Are provided inside a rectangular frame 10 composed of long side beams 11, 11 and short side beams 12, 12.
On the upper surface side, the floor plate 15 is provided with the rectangular frame 10 and the horizontal joist 1.
Are provided in a state of being supported by the third joists 13, 13, and the cushioning members 15, 15,... Are provided between the lower surfaces of the lateral joists 13, 13,. Because of the structure, the structure is relatively simple.
Since the lower surfaces of the long side beams 11, 11 do not directly contact with each other, when a load is applied to the horizontal joists 13, 13, ..., the horizontal joists 13, 13, ... and the long side beams 11, 11, Floor noise caused by friction with the floor can be prevented. Furthermore, even if the horizontal joists 13, 13,... Are slightly thinned by natural drying, the cushioning materials 15, 15,.
Since there is no gap between the lower surfaces of the long side beams 11, 11,... And the floor joists 13, 13,.

According to a second aspect of the present invention, at least one vertical joist 16 is provided between the short side beams 12 in the floor structure 1 (see, for example, FIG. 1). 16 is engaged with the plurality of horizontal joists 13, 13,...

According to the floor structure 1 of the second aspect,
The same effect as that of claim 1 is obtained, and the vertical joist 14 is engaged with the horizontal joists 13, 13,..., That is, the rectangular frame 10, the floor plate 15 and the plural , And these plurality of horizontal joists 13, 1
Since it is composed of at least one vertical joist 14 engaged with 3,..., The structure is relatively simple, and
The rigidity of the floor structure 1 is high, and further soundproofing and vibrationproofing can be provided.

According to a third aspect of the present invention, there is provided a floor structure 1 (see, for example, FIG. 1).
It is characterized in that it is engaged with the lower part of 3, 13, ....

According to the floor structure 1 of the third aspect,
The same effect as in claim 2 is obtained, and
Are fixed to the floor plate 14 on the upper surface and engaged with the vertical joists 16 on the lower surface, so that the horizontal joists 13, 13, ... are securely fixed. Therefore, also in this respect, the rigidity of the floor structure 1 is enhanced, and excellent soundproofing and vibrationproofing can be provided.

According to a fourth aspect of the present invention, there is provided a floor structure 1 (for example, see FIG. 1) according to any one of the first to third aspects, wherein each of the short side beams 12, 12 has a joist along its inner surface. 17, 17 are attached.

According to the floor structure 1 of the fourth aspect,
The same effect as any one of claims 1 to 3 can be obtained, and the short joists 17, 17 are used to reinforce the short side beams 12, 12 of the floor structure 1. Is further enhanced, and excellent soundproofing and vibrationproofing can be provided. In addition, on the upper portion of the short side beams 12, 12 of the floor structure 1 to which the joists 17, 17 are attached,
When the fitting is attached, vibration of the fitting can be prevented.

According to a fifth aspect of the present invention, in the floor structure 1 (see, for example, FIG. 1), in the fourth aspect, the upper joist 17, 17 has an upper surface which is an upper surface of the rectangular frame 10 and a horizontal joist 13, 1.
It is characterized by being provided so as to be flush with the upper surface of 3,.

According to the floor structure 1 of the fifth aspect,
The same effect as in claim 4 is obtained, and the upper surface of the joist 17, 17 is flush with the upper surface of the rectangular frame 10 and the upper surface of the horizontal joist 13, 13,.
Are supported by the upper surface of the rectangular frame 10 and the upper surfaces of the horizontal joists 13, 13,..., And are also supported by the upper surfaces of the joists 17, 17, so that the rigidity of the floor structure 1 is further increased, and excellent soundproofing is achieved. , And can have anti-vibration properties.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a floor structure 1 according to the present invention will be specifically described with reference to the drawings. In addition, the floor structure 1 of the present embodiment is, as shown in FIG.
.. Are erected at two corners, and the pillars 101, 101,... Are connected by long ceiling beams 111, 111 and short ceiling beams 112, 112. It is used as a floor of the unit 100.

FIG. 1 is a partially broken plan view showing a floor structure 1 according to the present embodiment. FIG. 2 is a sectional view of the floor structure 1 taken along the line AA, and FIG. 3 is a sectional view of the floor structure 1 taken along the line BB.

As shown in FIG. 1, a floor structure 1 according to the present embodiment has a rectangular frame 10 formed by assembling long-side beams 11, 11 and short-side beams 12, 12 into a rectangular shape in plan view. , A plurality of horizontal joists 13, 13, ... are installed between the long side beams 11, 11 in parallel with the short side beams 12, 12 at a predetermined interval, and the floor plate 14 is provided on the upper surface side with the rectangular frame 10 and the horizontal roots. Thick 13,1
Each of the horizontal joists 13 and the long side beams 1 which are provided in a state supported by
Buffer materials 15 and 15 are provided between them and 1 and 11, respectively, so that they are schematically configured.

Here, the long side beams 11, 11 and the short side beams 12,
12 is assembled into a rectangular shape in a plan view.
It is composed of channel material (lightweight steel),
, And the joists 17, 17 are composed of square members having a vertically long cross section, the floor plate 14 is composed of a particle board, and the cushioning members 15, 15 are composed of hard rubber. The height of the long side beams 11, 11 and the height of the short side beams 12, 12 are formed to have the same dimensions, and are joined to each other by welding so that their upper and lower surfaces are flush.

As shown in FIG. 2, notches are provided on the lower surfaces of both ends of each of the horizontal joists 13, and cushioning materials 15, 15 having the same shape as the notches are attached to these portions with an adhesive. Also, notches are provided on the upper surfaces of both ends of the horizontal joists 13, 13,.... The two ends of each of the horizontal joists 13, 13,... Are inserted into the channel material grooves of the long beams 11, 11, and the cushioning members 15, 15 attached to the lower surfaces of both ends of the horizontal joists 13, 13,. With the abutment on the lower flanges of the long beams 11, 11, the side faces of both ends of the horizontal joists 13, 13, ... are screwed to the plates 13a, 13a, ... which are joined to the long beams 11, 11 by welding. It has been stopped. The height of the horizontal joists 13, 13,... Is set to 1 with the horizontal joists 13, 13,.
The upper surfaces of 3, 13, ... are the upper surface of the rectangular frame 10 and the joist 1
It is formed so as to be flush with the upper surfaces of 7, 17.

Each of the short side beams 12, 12 is provided with
As shown in FIG. 7, mounting members 17a, 17a,.
Are joined by welding so as to project to the lateral joists 13, 13,..., And the mounting members 17a, 17a,.
Then, the joist 17, 17 is screwed using a screw hole (not shown) provided on the side surface, so that the joist 1 is attached to each of the short side beams 12, 12 along the inner surface thereof.
7, 17 are attached. Here, the jojo 17,
The height of 17 is the short side beams 12, 12 and the long side beams 1
The height of the mounting members 17
The heights of a, 17a,... are substantially the same as the heights of the joists 17, 17, respectively. In addition, the jojo 17, 17
Are attached to the short side beams 12, 12 at positions where the upper surface thereof is flush with the upper surface of the rectangular frame 10.

A single vertical joist 16 composed of structural plywood is provided between the joists 17 and 17.
7, 17 and the plurality of horizontal joists 13, 13,... Here, the jog 17,
Notches 17c, 17c having the same shape as the cross section of the vertical joist 16 are formed on the lower surface of the penetrating hole 17 so as to penetrate in the thickness direction of the joists 17, 17, and these notches 17c, 17c are formed.
The vertical joist 16 is inserted into the vertical joist 16 by using the screw holes provided in the vertical joist 16.
It is screwed to the lower part of 7,17. Also, vertical joist 16
The vertical joist 16 is screwed to the lower surface of each horizontal joist 13, 13,.

With the above configuration, the short side beams 12, 12, the long side beams 11, 11, the horizontal joists 13, 13,.
The upper surfaces of the 17 are flush with each other as shown in FIGS. On these upper surfaces, a floor plate 14 is placed, fixed on the upper surfaces of the horizontal joists 13, 13,... And the joists 17, 17 by an adhesive and nailing.
The upper and lower beams 1 and 11 and the short side beams 12 and 12 are screwed using screw holes (not shown) provided in the upper flanges thereof.

As described above, according to the floor structure 1 of the present embodiment, a plurality of horizontal joists 13, 13,... Are provided inside the rectangular frame 10 including the long side beams 11, 11 and the short side beams 12, 12. The floor plate 15 is provided on the upper surface side in a state supported by the rectangular frame 10 and the horizontal joists 13, 13,..., And the lower surface of each of the horizontal joists 13, 13,. Are provided between them and the cushioning material 15, so that the structure is relatively simple.
Since there is no direct contact between the lower surface of the long beams 11, 11 and the long beams 11, 11, when a load is applied to the horizontal joists 13, 13,. , 11 can be prevented from generating floor noise. Furthermore, even if the horizontal joists 13, 13,.
Since there is no gap between the lower surfaces of the long side beams 11, 11,... And the floor joists 13, 13,.

Since the vertical joists 14 are engaged with the horizontal joists 13, 13,..., That is, a rectangular frame 10, a floor plate 15, a plurality of horizontal joists 13, 13,.
, And at least one vertical joist 14 engaged with the plurality of horizontal joists 13, 13,..., The structure is relatively simple, and the rigidity of the floor structure 1 is high. Further soundproofing and vibrationproofing can be provided.

Are fixed to the floor plate 14 on the upper surface, and the vertical joists 16 on the lower surface.
, The horizontal joists 13, 13,... Are securely fixed. Therefore, also in this respect, the rigidity of the floor structure 1 is enhanced, and excellent soundproofing and vibrationproofing can be provided.

Further, since the short joists 17, 17 reinforce the short side beams 12, 12 of the floor structure 1, the rigidity of the floor structure 1 is further increased, and excellent soundproofing and soundproofing are achieved. Vibration can be provided. In addition, the short side beams 12 of the floor structure 1 to which the joists 17, 17 are attached,
When a fitting is attached to the upper portion on the side 12, vibration of the fitting can be prevented.

Since the upper surfaces of the joists 17, 17 are flush with the upper surface of the rectangular frame 10 and the upper surfaces of the horizontal joists 13, 13,... 13, 13 ..., is supported by the upper surface of the joist 17, 17,
The rigidity of the floor structure 1 is further increased, and excellent soundproofing and vibrationproofing can be provided.

The present invention is not limited to the above-described embodiment, and various improvements and design changes may be made without departing from the gist of the present invention. For example, in the above-described embodiment, the cushioning members 15 and 15 are made of hard rubber. However, instead of this, the cushioning materials 15 and 15 are made of another material such as a synthetic resin material having an elastic coefficient equivalent to that of hard rubber. You may. Long side beams 11, 11 and short side beams 12, 1
Although 2 is made of a channel material (light-weight steel), it may be made of, for example, an H-shaped steel or a square bar instead. The horizontal joists 13, 13,..., The horizontal joists 17, 17 are made of square bars, but may be made of, for example, a channel material (light-weight steel) instead. In addition, floor board material 14
Is made of a particle board, but may be made of a structural plywood instead. In addition, the floor structure 1 of the present embodiment includes the vertical joist 16 formed of the structural plywood, but the present invention is not limited to this. , Or horizontal joists 13, 13,.
A notch may be provided in the groove, and the vertical joist 16 may be fitted into the notch. In addition, when the width of the vertical joist 16 is increased, the rigidity of the floor structure 1 is increased. Further, the vertical joist 16 may be omitted. In the above embodiment, the floor structure 1 is used as the floor of the building unit 100 (see FIG. 4) constituting the building assembled by the unit construction method. However, the present invention is not limited to this, and can be applied to a building assembled by another method such as a panel method. In addition, it is needless to say that specific detailed structures can be appropriately changed.

[0028]

According to the floor structure of the present invention, a plurality of horizontal joists are provided inside the rectangular frame formed by the long side beam and the short side beam, and the floor plate is formed on the upper surface by the floor frame. The structure is provided in a state where it is supported by the horizontal joists, and the cushioning material is provided between the lower surface of each of the horizontal joists and the long side beam. Therefore, the structure is relatively simple, and Since the lower surface of the thick member and the long side beam do not directly contact each other, it is possible to prevent the generation of floor noise caused by the friction between the horizontal joist and the long side beam when a load is applied to the horizontal joist. Further, even if the horizontal joist is slightly thinned by natural drying, no gap is generated between the lower surface of the horizontal joist and the long side beam by the cushioning material, so that the floor noise caused by the natural drying of the horizontal joist is generated. Can be prevented.

According to the floor structure of the second aspect, the same effect as that of the first aspect can be obtained, and the vertical joist is engaged with the horizontal joist. , A floor plate, a plurality of horizontal joists, and at least one vertical joist engaged with the plurality of horizontal joists, the structure is relatively simple, and the rigidity of the floor structure is reduced. It is high and can have further soundproofing and vibrationproofing.

According to the floor structure of the third aspect, the same effect as that of the second aspect can be obtained, and the horizontal joist is fixed to the floor plate at the upper surface and is engaged with the vertical joist at the lower surface. , The horizontal joists are securely fixed. Therefore, also in this respect, the rigidity of the floor structure 1 is enhanced, and excellent soundproofing and vibrationproofing can be provided.

According to the floor structure of the fourth aspect, the same effect as any one of the first to third aspects is obtained, and the short joist of the floor structure is reinforced by the joist. Therefore, the rigidity of the floor structure can be further increased, and excellent soundproofing and vibrationproofing can be provided. Also,
When a fitting is attached to the upper part on the short side beam side of the floor structure to which the joist is attached, vibration of the fitting can be prevented.

According to the floor structure of the fifth aspect, the same effect as in the fourth aspect is obtained, and the upper surface of the joist is flush with the upper surface of the rectangular frame and the upper surface of the horizontal joist. The floor plate is supported by the upper surface of the rectangular frame and the upper surface of the horizontal joist, and also supported by the upper surface of the lateral joist, so that the rigidity of the floor structure is further increased, and excellent soundproofing and vibration-proofing are provided. be able to.

[Brief description of the drawings]

FIG. 1 is a partially broken plan view showing an example of a floor structure of the present invention.

FIG. 2 is a sectional view taken along the line AA in FIG.

FIG. 3 is a BB cross-sectional view of the same.

FIG. 4 is a perspective view showing an example of a building unit using the floor structure of the present invention as a floor.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Floor structure 10 Rectangular frame 11 Long side beam 12 Short side beam 13 Horizontal joist 14 Floor board material 15 Buffer agent 16 Vertical joist 17 Edge joist

Claims (5)

[Claims] 1. A plurality of horizontal joists are installed inside a rectangular frame formed by assembling a long side beam and a short side beam into a rectangular shape in a plan view, in parallel with the short side beam and at predetermined intervals. In the floor structure provided on the upper surface side with a floor plate material supported by the rectangular frame and the horizontal joist, a cushioning material is provided between the lower surface of each horizontal joist and the long side beam. A floor structure characterized by the above. 2. The floor structure according to claim 1, wherein at least one vertical joist is provided between the short side beams, and the vertical joist is engaged with the plurality of horizontal joists. And floor structure. 3. The floor structure according to claim 2, wherein the vertical joist is engaged with a lower portion of the horizontal joist. 4. The floor structure according to claim 1, wherein a joist is attached to each of said short side beams along an inner surface thereof. body. 5. The floor structure according to claim 4, wherein the upper joist is provided so that an upper surface thereof is flush with an upper surface of the rectangular frame and an upper surface of the horizontal joist. Floor structure.