JPH05133030A - Floor structure and floor construction method for wood construction building - Google Patents

Abstract

PURPOSE:To obtain high sound insulating performance, and reduce component members, and sharply improve construction efficiency. CONSTITUTION:In the upper floor section of a wood construction building whose main constructing members 27, 28 such as a roof, a wall and a beam or the like are composed of wood material, in the case of constructing a floor section, the lower face of a frame body 21 formed of core materials 20a assembled in a frame-shape is first stickedly provided with an inorganic surface material 22 to form a floor panel 20. Next, plural number of the floor panels 20 are arranged with the inorganic surface material 22 set on the side of the lower face and in the direction of the surface, and coupledly fixed by the main constructing members 27, 28. A sound insulating member 35 is next arrangedly provided on the inorganic surface member 22 between the core materials 20a of the floor panel 20. A floor finishing material 23 is then spreadedly provided on the upper face of the floor panel 20 to construct a floor section.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor structure of a wooden structure suitable for use in, for example, a wooden prefabricated house and a floor construction method.

[0002]

2. Description of the Related Art Conventionally, as a floor structure of a wooden structure building, a structure shown in FIG. 7 has been proposed. This figure shows the floor structure of the upper floor portion of a wooden prefabricated house, in which the floor portion 2 is formed in a state of being tightly connected to the walls 1 and 1 of the main structure of the wooden material.

A floor body 5, which is tightly fixed to the wall bodies 1 and 1 to form the floor portion 2, is formed by arranging a plywood 3 on an upper portion of a floor beam 4. A sound insulation flooring 6 is laid on the upper surface of the plywood 3 and a mortar 7 is arranged on the lower surface of the plywood 3 between the floor beams 4 and 4 in order to enhance the sound insulation inside the room. Further, an ALC plate (lightweight aerated concrete) 8 is attached to the lower surface of the mortar 7 so that the sound insulation is further enhanced. Reference numeral 9 in the figure is an auxiliary member for fixing the ALC plate.

A ceiling finishing material 10, which serves as the ceiling of the lower floor, is disposed below the floor body 5. In this ceiling finishing material 10, a ceiling hanging metal fitting 11 is fixed to a predetermined position of a core material 20a, and a gypsum board 12 having fireproof property is arranged so as to cover the entire lower surface of the floor body 5 by the ceiling hanging metal fitting 11. There is. Furthermore, on the upper surface of this plaster board 12,
Rock wool 13 is laid. Although not shown, a decorative plate is attached to the lower surface of the gypsum board 12.

[0005]

However, the above conventional floor structure has the following problems. That is, in order to provide a high-performance sound insulation structure, the sound insulation flooring 6, the mortar 7, and the ALC plate 8 are provided on the upper and lower surfaces of the floor body 5.
However, there is a problem that a lot of time and labor is spent on the construction work.

The work of applying this sound insulation structure is always
There is a problem that the work efficiency is extremely poor because the worker must perform the work in an upright posture.

Further, since the ceiling finishing material 10 is arranged below the floor body 5, there is a problem that the ceiling height of the lower floor becomes low.

Further, in the conventional floor structure, the gypsum board 12
A gap is apt to be generated (a portion which is indicated by B in FIG. 7) where the wall body 1 and the wall 1 contact each other, and there is a problem in terms of fireproofness, and the gypsum board 12 is arranged in a bent state. There was a risk of being. Further, since the number of constituent members increases, there is a problem that the cost tends to rise in terms of member cost and construction cost.

The present invention has been made in view of the above circumstances, and an object thereof is to obtain high sound insulation performance, to reduce the number of constituent members, and to significantly improve the construction efficiency. To provide a floor structure and floor construction method of a wooden structure building.

[0010]

According to the floor structure of a wooden structure building according to claim 1, in the upper floor portion of the wooden structure building in which main structural materials such as roofs, walls and beams are made of a wooden material. In the structure of the floor portion, an inorganic surface material is attached to the lower surface of a frame body incorporating a core material in a frame shape, and a floor finish material is laid on the upper surface of the frame body, and A floor panel in which a sound insulating member is disposed in the floor panel, and a plurality of floor panels are disposed in the surface direction with the inorganic surface material as the lower surface side, and the peripheral end portion is fastened and fixed by the main structural material to form the floor portion. It is characterized by being formed. The floor construction method for a wooden structure building according to claim 2 is a floor construction method for an upper floor portion of a wooden structure building in which main structural materials such as a roof, a wall, and a beam are made of a wooden material. A floor panel is formed by pasting an inorganic surface material on the lower surface of a frame body incorporated in a frame shape, and this floor panel is the lower surface side of the inorganic surface material,
In addition, a plurality of them are arranged in the surface direction and the peripheral end portions are fastened and fixed by the main structural material, the sound insulation member is arranged on the inorganic surface material between the core materials of the floor panel, and the floor finishing material is further arranged on the upper surface of the floor panel. Is laid and the floor is constructed.

[0011]

According to the floor structure and floor construction method for a wooden structure building according to the present invention, the inorganic surface material disposed below the floor panel disposed in the upper floor portion is the ceiling finishing material for the lower floor. Therefore, it becomes possible to perform the ceiling finishing work on the lower floor in advance at the factory stage, and it is possible to significantly reduce the labor on site.

Further, the structure is simple in that the sound insulating material is arranged in the space between the core material of the floor panel, the inorganic surface material and the floor finishing material, and the operator can use the sound insulating material in a comfortable posture. It can be provided.

Further, since the inorganic panel material of the floor panel disposed on the upper floor portion becomes the ceiling finishing material for the lower floor, the sound insulation performance between the upper floor and the lower floor is high, and the fireproof structure is also high. And the ceiling height on the lower floor will increase.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a floor structure and a floor construction method for a wooden structure according to the present invention will be described with reference to the drawings. What is shown in FIGS. 3 and 4 is a floor panel 2 used in this embodiment.
0 is shown. As shown in FIG. 4, the floor panel 10 includes an inorganic face material 22 on a lower surface of a frame body 21 made of a core material 20a.
Is affixed, and the floor finishing material 23 is laid on the upper surface of the frame 21.

The frame body 21 is formed by incorporating the core material 20a into a rectangular frame shape, and further has the vertical core material 20a arranged at predetermined intervals in the longitudinal direction.

The inorganic surface material 22 attached to the lower surface of the frame 21 is a known material composed of gypsum board, lightweight cellular concrete, inorganic siding material, calcium silicate, etc., and has excellent sound insulation. A member having a heat insulating property. In addition, the method of attaching the inorganic surface material 22 to the frame body 21 is a known adhesive which has been conventionally used for bonding the inorganic surface material 22 in a state of being in surface contact with the lower end surface of the core material 20a. Used.

Further, as the floor finishing material 23 laid on the upper surface of the frame body 21, a plate-shaped soundproofing flooring member is used, and is joined by an adhesive or the like in a state of being in surface contact with the upper end portion of the core material 20a. Has been done.

Here, when the floor panel 20 having the above-mentioned structure is used in the present embodiment, the space 25 defined by the frame body 21, the inorganic surface material 22 and the floor finishing material 23 is provided with a sound insulation as will be described later. Materials and the like are arranged. Therefore, the floor finishing material is attached to the upper surface of the frame body 21 in the final step, as shown in FIG.

Next, FIGS. 1 and 2 show the floor panel 20.
In the state where a plurality of are joined in the surface direction, the peripheral end portion 26 is placed on the wall panel 27 on the lower floor, and the wall panel 2 on the upper floor is further installed.
8 shows a floor portion 29 which is configured by being fastened together with 8.

That is, the wall panel on the lower floor has a wooden material 30 and 31 attached to both sides of a frame material, and a crosspiece, a heat insulating material and the like arranged inside. The barrel 33 is disposed on the upper frame member 32 of the wall panel 27 on the lower floor, and the plurality of floor panels 20 are arranged on the upper frame member 32 on the inner side of the barrel 33 at the peripheral end portions. 26 is arranged in a mounted state. Here, in the adjacent floor panels 20, the core members 20a in the longitudinal direction are joined together.

On the upper part of the wall panel 27 on the lower floor,
A wall panel 28 on the upper floor is arranged flush with each other. Similar to the wall panel 27 on the lower floor, the wall panel 28 on the upper floor has the wooden boards 30 and 31 affixed to both sides of the frame member, and the crosspiece,
It is configured such that a heat insulating material and the like are arranged.

As a result, between the wall panel 28 on the upper floor and the wall panel 27 on the lower floor, the barrel 33 and the floor panel 20 are provided.
The lower end frame member 34 of the upper floor wall panel 28, the upper end frame member 32 of the lower floor wall panel 27, the barrel 33, and the peripheral end portion 26 of the floor panel 20 are not shown. A plurality of floor panels 20 are arranged in the plane direction on the upper floor by being fastened with the body bolts.

The lower and upper floor wall panels 27, 28
As shown in FIG. 1, a sound insulation material 35, piping equipment 36, electric wiring equipment, and the like are provided inside the floor panel 20 tightly fixed to the floor panel 20.

As a concrete structure of the sound insulating material 35, as shown in FIG. 5, a lightweight panel 35 made of a mortar material is used.
It is arranged in a space 25 defined by the core material 20 a and the inorganic surface material 22. Further, as another structure of the sound insulating material 35, as shown in FIG. 6, the space portion is directly filled with liquid mortar and solidified.

Then, a flooring sheet is laid on the upper surface of the floor finishing material 23 of the plurality of floor panels 20 arranged on the upper floor portion, and a decorative plate is attached to the lower surface of the inorganic surface material, whereby the floor portion is formed. 29 are to be constructed.

As a procedure for constructing the floor portion 29 of the upper floor portion having the above-described structure, first, a plurality of floor panels 20 in which an inorganic surface material 22 is attached to the lower surface of the frame body 21 are manufactured in advance in a factory or the like. deep. The floor finishing material 23 is not laid on these floor panels 20.

Next, at the site, the wall panel 27 on the lower floor
The barrel 33 is arranged on the upper frame member 32 of the
The peripheral end portions 26 of the plurality of floor panels 20 to which the floor finishing material 23 is not attached are placed on the upper frame member 32 on the inside of 3. Here, the floor panels 20 adjacent to each other are the core materials 2 in the longitudinal direction.
0a20a is joined.

Next, a wall panel 28 on the upper floor is disposed above the wall panel 27 on the lower floor so as to be flush with each other through the barrel 33 and the peripheral end portion 26 of the floor panel 20. And the wall panel 2 on the upper floor
Lower frame member 34 of 8 and upper frame member 3 of the wall panel 27 on the lower floor
2. The barrel 33 and the peripheral end 26 of the floor panel 20 are fastened with a barrel bolt. As a result, the inorganic surface material 22 located on the lower surface side of the floor panel 20 arranged on the upper floor portion
Is used as a ceiling finishing material on the lower floor.

Next, the floor panel 20 arranged on the upper floor part
Since the floor finishing material is not attached, the operator should be in a comfortable posture in the space 25 defined by the core material 20a and the inorganic surface material 22 in the mortar panel or liquid mortar. Sound insulation material 35 obtained by directly pouring and solidifying
To arrange. Furthermore, a pipe 36 is provided in the space 25.
Also, electrical wiring and the like are provided.

Then, a floor finishing material 23 is laid on the upper surface of the floor panel 20, a flooring sheet is further laid on the upper surface thereof, and a decorative plate is attached to the lower surface of the inorganic surface material 22 to construct the floor portion 29. Is completed.

As can be easily understood from the above description, according to the present embodiment, the inorganic surface material 22 arranged on the lower side of the floor panel 20 arranged on the upper floor portion is the lower floor. Since it will be used as a ceiling finishing material, it will be possible to perform ceiling finishing work on the lower floors in advance at the factory stage, and it will be possible to greatly save labor on site.

Further, a sound insulating material 35 is not provided in the space 25 between the core material 20a of the floor panel 20, the inorganic surface material 22 and the floor finishing material 23 without the need for several kinds of sound insulating members as in the conventional floor structure.
It is a simple structure that only arranges the
Since the sound insulating material 35 can be arranged in a comfortable posture, the construction time can be dramatically shortened.

The floor panel 20 disposed on the upper floor portion
Since the inorganic surface material 22 of No. 2 serves as a ceiling finishing material, the sound insulation performance between the upper floor and the lower floor is high, and the fire prevention performance is high, and the ceiling height T of the lower floor can be increased.

Further, since the peripheral edge portion 26 of the floor panel 20 having the inorganic surface material 22 adhered on the lower surface is set on the upper frame material 32 of the wall panel 27 on the lower floor, the peripheral end portion 26 is accommodated. There is no gap at the joint with the wall panel 27 on the lower floor,
It is possible to obtain extremely excellent fire resistance. Moreover, since the number of constituent members is reduced, it is possible to reduce member costs and construction costs.

Furthermore, the core material 20a of the floor panel 20,
Utilizing the space between the inorganic surface material 22 and the floor finishing material 23, it becomes possible to arrange equipment such as piping 36 and electric wiring, and maintenance of these equipment can be performed simply by removing the floor finishing material 23. Can be done easily.

By changing the thickness of the sound insulating material 35 arranged in the space 25 of the floor panel 20 to a predetermined thickness, the effect of the sound insulating performance can be appropriately changed.

[0037]

As described above, according to the floor structure and the floor construction method for a wooden structure building according to the present invention, the inorganic surface provided on the lower side of the floor panel provided on the upper floor portion. Since the material is a ceiling finishing material for the lower floor, it is possible to perform ceiling finishing work for the lower floor in advance at the factory stage, and it is possible to significantly reduce the labor on site.

[0038] Further, a simple structure in which a sound insulating material is provided in the space between the core material of the floor panel, the inorganic surface material and the floor finishing material without requiring several kinds of sound insulating members as in the conventional floor structure. In addition, since the worker can dispose the sound insulating material in a comfortable posture, the construction time can be drastically shortened.

In addition, since the inorganic surface material of the floor panel disposed on the upper floor portion serves as the ceiling finishing material for the lower floor, the sound insulation performance between the upper floor and the lower floor is high, and the fireproof performance is also high. In addition, the ceiling height of the lower floor can be increased.

Since the number of constituent members is reduced, it is possible to significantly reduce the member cost and the construction cost.

Furthermore, by utilizing the space of the core material of the floor panel, the inorganic surface material and the floor finishing material, it becomes possible to dispose equipment such as gas pipes and electric wiring. Maintenance can be easily done by simply removing the floor finish.

[Brief description of drawings]

FIG. 1 is a perspective view showing a floor portion on which a floor finishing material is laid according to the present invention.

FIG. 2 is a perspective view showing a floor panel arranged on an upper floor portion in a state where a floor finishing material is not laid in the present invention.

FIG. 3 is a perspective view showing a state in which a floor finishing material is not attached to the floor panel used in the present invention.

FIG. 4 is a perspective view showing a state in which a floor finishing material is attached to the floor panel used in the present invention.

FIG. 5 is a partial cross-sectional perspective view showing a state in which a panel made of a mortar material is arranged on the floor panel used in the present invention.

FIG. 6 is a partial cross-sectional perspective view showing a state in which a floor mortar used in the present invention is filled with a liquid mortar material.

FIG. 7 is a front cross-sectional view showing a conventional floor structure.

[Explanation of symbols]

 20 Floor Panel 20a Core Material 21 Frame 22 Inorganic Surface Material 23 Floor Finishing Material 27 Lower Floor Wall Panel (Main Structural Material) 28 Upper Floor Wall Panel (Main Structural Material) 35 Sound Insulation Member 29 Floor.

Claims (2)

[Claims] 1. A structure of a floor portion in an upper floor of a wooden structure building in which a main structural material such as a roof, a wall and a beam is made of a wooden material, the frame body including a core material in a frame shape. An inorganic surface material is attached to the lower surface, a floor finishing material is laid on the upper surface of the frame body, and a sound insulation member is arranged inside the frame body. A floor structure of a wooden structure building, wherein a plurality of face materials are arranged in the surface direction with the lower surface side and the peripheral end portions are fastened and fixed by the main structural material to form a floor portion. 2. A floor construction method in an upper floor part of a wooden structure building in which main structural materials such as roofs, walls and beams are made of a wooden material, the lower surface of a frame body having a core material incorporated in a frame shape. A floor panel is formed by adhering an inorganic surface material to the bottom surface of the floor panel, and a plurality of floor panels are arranged in the surface direction and the peripheral end portions are fastened and fixed by the main structural material. A floor of a wooden structure characterized by arranging a sound insulation member on an inorganic surface material between core materials of the floor panel, and further laying a floor finishing material on the upper surface of the floor panel to construct a floor portion Construction method.