JP2000303604A - Woody floor construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the resisting force of a horizontal plane of structure against a horizontal force by saving labor and time when dropping a floor joist-receiving member when installing a barrier-free type floor while restricting cracks in floor joist-receiving member caused by driving an excessive amount of nails. SOLUTION: A floor joist-receiving member 14 having a notch 15 made almost to a rectangular shape in cross section with a depth almost the same as the height of the floor joist 6 is attached to the side surface of a ground sill 1, the end portion of the floor joist 6 is placed on the bottom face 15a of the notched portion 15 in such a manner that the top face of the floor joist 6 becomes almost flush with the top face of the floor joist-receiving member 14, a floor backing member 7 is placed on the top surface of the floor joist receiving member 14 and the top surface of the floor joist 6, and the end portion of the floor backing member 7 is fixed to the top surface of the floor joist- receiving member 14 with nails 16, 16.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wooden floor structure and, more particularly, to a technical field relating to a floor structure using a joist receiving material which has a high horizontal rigidity of a barrier-free floor and is easy to construct.

[0002]

2. Description of the Related Art Conventionally, when adjusting the height of a Japanese-style room to the height of a flooring material when constructing a barrier-free wooden floor, the thickness of the flooring material is subtracted from the thickness of the tatami mat on the side of the Japanese-style room. A structure is adopted in which only the height and the thickness of the floor base material are dropped. As a structure for dropping the joist, for example, as shown in FIG. 5, a base b as a horizontal member using a joist receiving material a (a body gap or a floor beam on the second floor or more of a house)
, And a plurality of joists c, c,... In a direction orthogonal to the joist receiving material a are placed on the upper surface of the joist receiving material a at a predetermined interval, and the joists c, c,. A floor base material d composed of a structural plywood, a particle board, an MDF, etc., is mounted thereon, and attached with nails e, e,..., Etc., and as shown in FIG. After the joists c, c,... Are mounted, the blocking material f is fitted on the upper surface of the joist receiving member a between the joists c, c so as to be in contact with the side of the base b, and the floor base material d is nailed with the nail e,
A structure is known in which the joists c and the blocking members f are attached to the respective upper surfaces by e,. In these figures, g
Is the foundation that supports the foundation.

[0003]

However, the above joists c
In the former structure (shown in FIG. 5) in which the floor base material d is attached to the upper surface, the floor base material d cannot be fixed to a portion other than the joist c, and as shown in FIG. The part is attached to the structural member only in one direction parallel to the joist c (vertical direction in FIG. 6), and as shown in FIG. 7, it resists as a horizontal plane against horizontal force F such as seismic force and wind pressure. The ability to do is weak. In FIG. 7, h is a floor and i is a wall.

On the other hand, a blocking material f is fitted between the joists c, c, and the blocking material f or the joist c is inserted.
In the latter structure (shown in FIG. 8) in which the floor base material d is attached to each of the upper surfaces, as shown in FIG. 9, the entire peripheral end of the floor base material d is mounted to the structural member with nails e, e,. Therefore, as shown in FIG. 10, the force that resists the horizontal force F as a horizontal structure can be increased.

However, on the other hand, when constructing a barrier-free type floor, after the joist receiving material a is installed in accordance with various floor heights, the blocking material f is further added.
Must be attached to the upper surface of the joist receiving material a between the joists c, c one by one. Moreover, a large number of nails for fixing the joist c to the joist receiving material a and for fixing the joist receiving material a to the base b are driven into the joist receiving material a, which may cause the joist receiving material a to be broken. There was also.

[0006] The present invention has been made in view of the above-mentioned points, and an object of the present invention is to improve the structure of a joist receiving material, thereby reducing the time and labor required for dropping the joist receiving material when constructing a barrier-free type floor. It is possible to increase the resistance of the floor structure as a horizontal structure to the horizontal force while suppressing cracking of the joist receiving material caused by driving a large amount of nails or the like.

[0007]

In order to achieve the above object, according to the present invention, a notch is formed in a joist receiving material,
The end portion of the joist was placed on the notch, and the floor base material was placed over the joist receiving material upper surface and the joist upper surface, and the end portion was fixed to the joist receiving material upper surface.

More specifically, according to the first aspect of the present invention, a joist receiving member having a notch portion cut into a substantially rectangular cross section at substantially the same depth as the height of the joist is attached to the side surface of the transverse member. The end of the joist is on the bottom of the notch of this joist receiving material.
The upper surface of the joist and the upper surface of the joist receiving material are placed so as to be substantially flush with each other, and the floor base material is placed over the upper surface of the joist receiving material and the upper surface of the joist. The end of the material is fixed to the upper surface of the joist receiving material.

According to the above construction, the end of the floor covering material is attached not only to the upper surface of the joist but also to the upper surface of the joist receiving material in a direction orthogonal to the joist by means of a nail or the like. The whole can be attached and fixed to the joist receiving member and the joist, and the resistance against the horizontal force as a horizontal construction surface can be increased.

[0010] Further, since the conventional blocking material is not used, not only can the construction time be saved, but also a large amount of nails and the like are not driven into the joist receiving material. Can be suppressed.

According to the second aspect of the present invention, the notch of the joist receiving material is formed by continuously cutting the upper end corner of the side surface of the joist receiving material along the length direction of the joist receiving material. Structure. According to the third aspect of the present invention, the plurality of notch portions of the joist receiving material are formed by partially cutting at least a part of the upper surface of the joist receiving material in the width direction along the length direction. And Thereby, the notch of the joist receiving material can be specifically and easily obtained.

In the invention of claim 4, the floor base material is a Japanese room floor base material laid on the upper surface so that the tatami mats are substantially flush with the floor surface material of another room. In this way, an optimum wooden floor structure in which the effects of the first to third aspects of the present invention are effectively exhibited can be obtained.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) FIG. 2 shows the overall structure of Embodiment 1 of the present invention, and 1 is a portion on the first floor of a house, around a Western-style room R1 on the right side and a Japanese-style room R2 on the left side of FIG. The base is placed on the boundary 2 and is set on the foundation 2. The base 1 is a horizontal member constituting a structural member that is responsible for the main structural strength of the house, and is made of a wood-based material such as wood (lumber) or laminated wood. At the corners on the base 1, pillars 4, 4,...

Among the bases 1 located around the Western-style room R1, the base 1 located at the boundary between the Western-style room R1 and the Japanese-style room R2.
And the base 1 in parallel with the base 1 on the center side of the room (in the case of the base 1 located at the boundary between the Western-style room R1 and the Japanese-style room R2, the side surface on the Western-style room R1 side), the joist receiving members 5, 5 are nailed ( (Not shown). Each joist receiving material 5
As the above, the same woody material as the base 1 is used,
In addition, plywood, LVL, and the like can also be used as the wood-based material.

A plurality of joists 6, 6,... Extending parallel to the direction perpendicular to the joist receiving members 5 are provided between the joist receiving members 5, 5.
(Only one is shown). Each of the joists 6 is for supporting and fixing a floor base material 7 to be described later, and the upper surface thereof is arranged so as to be substantially flush with the upper surface of the base 1, and its end is formed on the upper surface of the joist receiving material 5. It is mounted and fixed with nails (not shown). Each joist 6 is the base 1
It is made of a wood-based material as in

A plurality of flooring materials 7, 7, ... (only one is shown) are laid out on the upper surface of the joists 6, 6, ... so as to form a series of continuous surfaces. The members 7 are fixed to the joists 6 by nails (not shown).

Of the ends of the floor base material 7, the end located at the periphery of the floor surface is located on the upper surface of the base 1 substantially flush with the upper surface of the joist 6 so as to extend to the center in the width direction. In this state, it is fixed to the base 1 by nails (not shown). For each floor base material 7, for example, plywood, LVL, OS
B, particle board, MDF and other wood-based board materials are used. In addition, inorganic board materials such as "Dailite" (trade name, manufactured by Daiken Kogyo Co., Ltd.) can also be used.

On the end of the floor base material 7 located on the base 1 located on the opposite side to the Japanese-style room R2, an inner wall base receiving material 8 is provided.
Is placed between the pillars 4 and 4, and the inner wall base receiving member 8 is nailed to the base 1 with the end of the floor base material 7 sandwiched between the base 1 and the upper surface. (Not shown). As the inner wall base receiving material 8, the same material as that described for the joist receiving material 5 is used.

On the upper surface near the end opposite to the Japanese-style room R2 among the ends of the floor base material 7, a plurality of inner wall base strength members 9, 9,... The lower end portion of each inner wall base bearing surface material 9 is provided with the inner wall base receiving member 8.
Is fixed to a side surface of the column 4 by a nail (not shown), and the side portion is directly fixed to the column 4 by a similar nail (not shown). Plywood, LVL,
Wood-based board materials such as OSB, particle board, and MDF are used. In addition, gypsum board and inorganic board materials such as “Dailite” (trade name, manufactured by Daiken Kogyo Co., Ltd.) can also be used.

On the other hand, the base 1 located on the Japanese-style room R2 side
A threshold 11 having the same width as that of the base 1 is provided on the lower surface of the western room R1 (at the boundary between the western room R1 and the Japanese room R2).
The floor base material 7 is fixed to the notch 11a formed in the side half part with the end of the floor base material 7 fitted. And floor base material 7,
The flooring material 10 as a surface flooring material is laid on the upper surface of the sill 11 so as to be substantially flush with the upper surface of the sill 11.

The feature of the present invention resides in the floor structure of the Japanese-style room R2. Since the basic structure of the floor structure of the Japanese-style room R2 is the same as the floor structure of the Western-style room R1, the same parts as those of the Western-style room R1 are denoted by the same reference numerals, and detailed description thereof will be omitted. That is, of the bases 1 located around the Japanese-style room R2, the base 1 located at the boundary between the western-style room R1 and the Japanese-style room R2 and the base 1 parallel to the base-side side of each room (the boundary between the Western-style room R1 and the Japanese-style room R2). In the base 1 located in the portion, the side face on the Japanese-style room R2 side) is provided with a joist receiving member 14, 1 respectively.
4 is attached and fixed by nails (not shown). As shown in FIG. 1, each of the joist receiving members 14 is different from the joist receiving member 5 on the western room R1 side. The notch 15 formed by cutting into a substantially rectangular cross section at a depth is a joist receiving member 14.
The notch 1 is formed continuously along the length direction of the
The bottom surface 15a of 5 is located at a position lower by a predetermined dimension h than the upper surface of the joist receiving member 5 on the Western room R1 side.

A plurality of joists 6, 6,... Are bridged between the two joist receiving members 14, 14.
Of the notch 15 of the joist receiving member 14
The upper surface of the joist 6 and the upper surface of the joist receiving member 14 are placed on the top so that they are substantially flush. Also, as shown in FIG. 3, a plurality of floor base materials 7, 7,... Are placed on the upper surface of each joist receiving member 14 and the upper surface of each joist 6. The side end is fixed to the upper surface of the joist receiving member 14, and the long side end and the center in the width direction are fixed to the upper surface of the joist 6 by nails 16. Further, tatami mats 17 as surface floor materials are provided on the upper surfaces of the floor base materials 7, 7,.
Are laid such that the upper surface thereof is substantially flush with the upper surface of the sill 11 (therefore, the upper surface of the flooring material 10 of the Western room R1), so that the floors of the Western room R1 and the Japanese room R2 also include the sill 11. It is a barrier-free type with no steps.

Therefore, in this embodiment, the Japanese-style room R2
Are attached to the base 1 around the floor at a predetermined height on the side surface of the opposing portion with a nail, and the joist receiving members 14, 14 are attached between the joist receiving members 14, 14, respectively. , A plurality of joists 6, 6,... Are placed on the bottom 15 a of the notch 15 of each joist receiving member 14, and the end of each joist 6 is connected to the notch 15. It is fixed to the bottom 15a. Next, the floor base materials 7, 7, 7, 7 are spread over the upper surface of the joist receiving member 14 and the upper surface of the joist 6.
Are placed, the entire peripheral edge of each floor substrate 7, specifically, the short side end of the floor substrate 7 is placed on the upper surface of the joist receiving member 14, and the long side edge and the width direction The central part is fixed to the upper surface of the joist 6 with nails 16, 16,. After a while
The tatami mats 17, 17,...

As described above, each floor substrate 7 in the Japanese-style room R2 is provided.
A part of the peripheral end of is attached to the base 1 through the joist receiving member 14,
In addition, since the rest is attached to the joist 6 and the entire peripheral end is fixed to the structural member, the horizontal rigidity of the floor of the Japanese-style room R2 is further increased as shown in FIG. The force that resists as a horizontal plane against force increases.

Further, by simply attaching and fixing the joist receiving members 14 to the side surfaces of the base 1 in accordance with various floor heights, each floor base material 7
Can be attached and fixed to the structural member, so that the work of attaching the blocking material to the upper surface of the joist receiving material between the joists as in the related art (see FIGS. 8 and 9) can be omitted. Cracking caused by driving of the nail can be suppressed.

(Embodiment 2) FIG. 4 shows Embodiment 2 of the present invention.
(Note that the same parts as those in FIGS. 1 and 2 are denoted by the same reference numerals, and detailed description thereof is omitted).
The cutout 15 of FIG.

That is, in this embodiment, the notch 15 ′ of the joist receiving member 14 partially covers the entire upper surface of the joist receiving member 14 in the width direction (or a part on the center side of the chamber) along the length direction. A plurality is formed by notching. Each joist 6 rests on the bottom surface 15a 'of each notch 15'. Therefore, in this embodiment, the same operation and effect as those of the first embodiment can be obtained.

When the two embodiments 1 and 2 are compared, in the first embodiment, since the notch 15 of the joist receiving member 14 is provided continuously, the mounting position of the end of each joist 6 is set. Is adjusted in the length direction of the joist receiving member 14 to provide an advantage that various joist 6 mounting positions can be accommodated.

The notch 1 of the joist receiving member 14
5, 15 'can be easily processed at the construction site, but may be processed at a factory in advance. Further, each of the above embodiments is applied to the Japanese-style room R2 on the first floor of the house. However, the present invention can also be applied to the floor structure of a Japanese-style room on the second floor or more of the house. Differences and floor beams become horizontal members. Further, a fixing tool other than a nail (for example, a screw) can be used.

[0030]

As described above, according to the first to fourth aspects of the present invention, at the time of constructing the wooden floor structure of the barrier-free floor, the joist receiving member is attached to the side of the horizontal member according to the floor height. By simply placing the joist on the bottom of the notch of the joist receiving material, the entire peripheral edge of the floor base material can be attached to the structural member, and the earthquake resistance and wind resistance of the floor surface improve,
It is possible to reduce the time required for the construction and to suppress cracking due to excessive driving of the joist receiving material such as a nail.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a wooden floor structure of Embodiment 1 of the present invention.

FIG. 2 is a sectional view showing floor structures of a Japanese-style room and a Western-style room.

FIG. 3 is a plan view showing a nailing position with respect to a floor base material in a Japanese-style room.

FIG. 4 is an exploded perspective view showing a main part of a wooden floor structure according to a second embodiment of the present invention.

FIG. 5 is a diagram corresponding to FIG. 1 showing a conventional example.

FIG. 6 is a diagram corresponding to FIG. 3 showing a conventional example.

FIG. 7 is an explanatory diagram showing an action of a resistance force as a horizontal construction surface to a horizontal force in a conventional example.

FIG. 8 is a diagram corresponding to FIG. 1 showing another conventional example.

FIG. 9 is a diagram corresponding to FIG. 3 showing another conventional example.

FIG. 10 is a diagram corresponding to FIG. 7 showing another conventional example and the first embodiment of the present invention.

[Explanation of symbols]

 R1 Western-style room R2 Japanese-style room 1 Base (horizontal material) 5 Western-style side joist receiving material 6 joist 7 Floor base material 10 Flooring material 11 Sill 14 Japanese-style side joist receiving material 15, 15 'Notch 15a, 15a' Bottom 16 Nail (fixed) Ingredients) 17 tatami mats

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Tatsuya Toyama 2-3-18 Nakanoshima, Kita-ku, Osaka-shi, Osaka Daiken Industries Co., Ltd. (72) Tomoyuki Iriyama 2-3-3 Nakanoshima, Kita-ku, Osaka, Osaka No. 18 Daiken Kogyo Co., Ltd.

Claims (4)

[Claims] A joist receiving member having a notch cut into a substantially rectangular cross section at a depth substantially equal to the height of the joist is attached to a side surface of the horizontal member, and the notch of the joist receiving material is provided. The end of the joist is placed on the bottom surface of the joist so that the upper surface of the joist and the upper surface of the joist receiving material are substantially flush with each other, and the floor base material extends over the upper surface of the joist receiving material and the upper surface of the joist. A wooden floor structure, wherein the wooden floor structure is placed, and an end of the floor base material is fixed to an upper surface of a joist receiving material. 2. The wooden floor structure according to claim 1, wherein the cut-out portion of the joist receiving material is formed by continuously cutting the upper end corner of the side surface of the joist receiving material along the length direction of the joist receiving material. A wooden floor structure characterized by being made. 3. The wooden floor structure according to claim 1, wherein the notch portion of the joist receiving material is formed by partially cutting at least a part of the upper surface of the joist receiving material in the width direction along the length direction. A wooden floor structure characterized by being formed. 4. The wooden floor structure according to any one of claims 1 to 3, wherein the floor base material is a Japanese-style room in which tatami mats are laid on an upper surface thereof so as to be substantially flush with a floor surface material of another room. A wooden floor structure characterized by being a floor substrate.