JPH0988300A - Floor substrate structure and construction method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily construct a floor substrate structure in which floor boards are supported by end joists. SOLUTION: End joists 4 are horizontally arranged on the wall face 2 of the periphery of a concrete slab 1 and fixed by concrete nails 3. A strut member 11 constituted of a strut body 12 made of a rectangular wooden plate and an elastic base seat 13 fitted to the lower end of the strut body 12 is arranged at the side of the end joist at every certain distance in the longitudinal direction. Nails 16 are inserted in the holes 14 formed in the strut body 12 and driven into the end joist 4 to fix the end joist. A floor substrate material is installed in the end joist 4 and fixed with nails from the upper side and then, floor finish materials are arranged.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor base structure of a building such as a house and a construction method thereof, and more particularly to a floor base structure in which a floor board is arranged on a concrete slab and a construction method thereof.

[0002]

2. Description of the Related Art Conventionally, as a floor substructure of a building such as a house in which a floor board is supported on a concrete slab,
As shown in FIGS. 4 and 5, along the wall surface 2 around the concrete slab 1, a concrete joist 3 or the like is horizontally provided around the concrete joist 4 at a predetermined height position.
In general, a floor base plate 5 is placed on top of which nails 6 are driven, and a floor finishing plate (not shown) is arranged on the upper surface side. In addition, in this type of floor substructure, a bundle 7 is provided between the concrete slab 1 and the joist 4 so as not to cause subsidence, floor squeal, etc. The nail 8 was driven diagonally downward from the side portion to fix the joist 4 and the bundle 7 together.

[0003]

By the way, in the above-mentioned floor base structure, the height of the bundle 7 disposed between the floor joist 4 and the floor joist 4 must be cut and installed at each site. However, there is a problem in that it requires a lot of labor on site.

Here, the bundle 7 is cut in advance according to the size between the concrete slab 1 and the thick joist 4, and the cut bundle 7 is attached on site to reduce the labor on site. However, since the top surface of the concrete slab 1 is hardly finished horizontally and smoothly, and in most cases, it has so-called unevenness such as waviness and peeling, the concrete slab 1 If the dimension between the slab and the sill joist 4 is small, it must be cut on site, and if the dimension between the concrete slab 1 and the sill joist 4 is large, a piece of wood or the like should be used to increase the height. I had to adjust.

The present invention has been made in view of the above circumstances, and provides a floor base structure without sinking or floor squeezing, in which a bundle is extremely easily installed and a floor board is supported by a joist and a construction method thereof. Is intended.

[0006]

In order to achieve the above object, the floor substructure according to claim 1 has a floor board on a joist horizontally fixed to a wall surface around the slab on the upper surface side of the slab. It is a floor base structure to be supported, and is characterized in that a bundle member having a lower end installed on an upper surface of the slab is fixed to a side portion of the joist.

According to a second aspect of the present invention, there is provided the underfloor structure according to the first aspect, wherein the bundle member has a bundle main body fixed to the joists and elasticity attached to a lower end of the bundle main body. It is characterized by being composed of a pedestal. The underfloor structure according to claim 3 is the underfloor structure according to claim 1 or 2, wherein a plurality of holes through which fixing members such as nails, screws, or wood screws driven into the joists are inserted into the bundle body. It is characterized in that the portion is formed so as to penetrate the front and back. The method of constructing the underfloor structure according to claim 4 is a method of constructing the underfloor structure in which a floor board is supported on a joist horizontally fixed to a wall surface around the slab on the upper surface side of the slab, After fixing the joist to the wall surface, on the side surface of this joist, at a distance in the length direction, arrange the bundle member while placing the lower end on the upper surface of the slab,
The bundle member is fixed to the joist with a fixing member such as a nail, a screw, or a wood screw.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a floor base structure and a construction method thereof according to the present invention will be described below with reference to the drawings. 1 and 2, reference numeral 11 is a bundle member. The bundle member 11 is composed of a bundle body 12 and a pedestal 13 attached to the lower end of the bundle body 12. Bundle body 12
As shown in FIG. 3, it is made of a rectangular wooden plate material such as veneer plywood which is formed in advance to a predetermined height, and a plurality of holes 14 penetrating to the front and back are formed in the vicinity of the upper part thereof. There is. The pedestal 13 is made of an elastic material such as rubber, and has a recess 15 on the upper surface thereof into which the lower end of the bundle main body 12 is fitted. Then, the bundle member 11 having the above-described configuration is fixed to the side surface of the outer joist 4 with a space in the length direction.

When constructing the above-mentioned floor base structure, first,
The joist 4 is positioned on the wall surface 2 and fixed with concrete nails 3 or the like. Then, the bundle main body 1 is provided on the side surface of the joist 4 when fixed to the wall surface 2 with a space in the length direction thereof.
The bundling member 11 in which the pedestal 13 is fitted is positioned and arranged at the lower end of 2, and the nail 16 is inserted into the hole 14 formed near the upper end and driven into the joist 4, so that the shedding member 11 is moved to the joist 4 Fixed to. Here, for example, when the upper end of the bundle member 11 protrudes from the upper surface side of the thick joist 4 due to the influence of the unsteadiness of the concrete slab 1, the protruding portion is sawed with the upper surface of the thick joist 4 as a reference. All together. Then, the floor base plate 5 is placed on the top joist 4, and the top joist 4
A nail 6 is hammered in and fixed, and a floor finishing plate is arranged.

As described above, according to the above-mentioned floor base structure, the bundle member 11 is arranged on the side portion of the outer joist 4 and the nail 1
By the extremely simple work of hitting 6, 6
The bundling member 11 can be securely supported by the bundling member 11 by fixing the bundling member 11 to. Moreover, even if the bundle member 11 projects from the upper surface of the sash joist 4 due to the unevenness of the concrete slab 1, the height of the bunch member 11 can be adjusted very easily by sawing the upper surface of the sash joist 4 as a reference. be able to. That is, it is not necessary to individually adjust the height by cutting each bundle 7 or interposing a wood piece in the gap according to the size between the concrete slab 1 and the joist 4 as in the conventional art. The construction can be greatly facilitated.

Further, since a plurality of holes 14 are formed in the vicinity of the upper end in advance, the driving position of the nail 16 can be easily grasped, and when the nail 16 is inserted into the hole 14 and driven therein. The bundle body 11 can be securely fixed without cracking. Further, it is possible to eliminate the need for skilled nailing of nails, and it is possible to simplify the work. Further, since the elastic pedestal 13 is attached to the lower end portion of the bundle main body 11, even if vibration, sound, or the like is transmitted from the floor plate through the joint joist 4, the pedestal 1
3, it is possible to obtain a floor base structure having good sound insulation, and it is also possible to absorb fine irregularities on the upper surface of the concrete slab 1. In the above embodiment, the nail 16 is used as the fixing member that fixes the bundle member 11 to the joist 4, but the present invention is not limited to the nail 16, and, for example, a screw or a wood screw may be used. Further, by applying an adhesive between the bundle member 11 and the joist 4, the bundle member 11 can be fixed to the joist 4 with higher strength.

[0012]

As described above, according to the floor base structure and the construction method thereof of the present invention, the following effects can be obtained. According to the floor base structure of the first aspect, the bundle member can be surely supported by the bundle member by a very simple operation of disposing the bundle member from the side of the joist and driving a nail, for example. Further, even if the bundle member projects from the upper surface of the joist due to unevenness of the slab, the height of the bundle member can be extremely easily adjusted by sawing the upper surface of the joist as a reference. That is, as before,
Since it is not necessary to individually adjust the height by cutting each bundle according to the size between the slab and joist or interposing wood pieces in the gap, it is possible to greatly simplify the construction. .

According to the floor base structure of the second aspect, since the elastic pedestal is attached to the lower end portion of the bundle main body, even if vibration, sound, etc. are transmitted from the floor plate through the joists,
It is possible to obtain a floor base structure having good sound insulation that can be absorbed by the pedestal, and it is also possible to absorb fine irregularities on the upper surface of the slab. According to the floor base structure of the third aspect, since the plurality of holes are formed in the bundle main body, the nail driving position can be easily grasped and the fixing member such as the nail, the screw or the wood screw can be provided. It is possible to securely fix the bundle body to the joist without causing cracks in the bundle body when it is inserted into the hole and driven. Further, it is possible to eliminate the need for skilled nailing of nails, and it is possible to simplify the work. According to the construction method of the floor base structure of claim 4, since the bundle member is arranged and fixed on the side surface of the joist, it is possible to facilitate the work of driving the fixing member such as the nail, the screw, or the wood screw. Workability can be significantly improved.

[Brief description of drawings]

FIG. 1 is a perspective view in section of a floor explaining a floor base structure and an installation method thereof according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a floor explaining a floor base structure and an installation method thereof according to an embodiment of the present invention.

FIG. 3 is an exploded perspective view of the floor illustrating the structure of the floor base structure and the bundle member used in the construction method according to the embodiment of the present invention.

FIG. 4 is a perspective view showing a part of a floor for explaining a conventional floor substructure.

FIG. 5 is a cross-sectional view of a floor illustrating a conventional floor base structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Concrete slab (slab) 2 Wall surface 4 Edge joist (joist) 5 Floor base plate (floor board) 11 Bundle member 12 Bundle body 13 Pedestal 14 Hole 16 Nails

Claims (4)

[Claims] 1. A floor foundation structure for supporting a floor board on a joist horizontally fixed to a wall surface around the slab on the upper surface side of the slab, wherein a lower end of the slab is provided at a side portion of the joist. A floor base structure characterized in that a bundle member installed on the upper surface is fixed. 2. The underfloor according to claim 1, wherein the bundle member includes a bundle main body fixed to the joist and an elastic pedestal attached to a lower end of the bundle main body. Earth structure. 3. The bundle main body is formed with a plurality of holes, through which a fixing member driven into the joist is inserted, penetrating through the front and back sides.
Floor base structure described. 4. A method of constructing a floor base structure in which a floor board is supported on a joist that is horizontally fixed to a wall surface around the slab on the upper surface side of the slab, and after the joist is fixed to the wall surface, An underfloor characterized by arranging a bundle member on the side surface of the joist with a space in the lengthwise direction and placing the lower end on the upper surface of the slab, and fixing the bundle member to the joist with a fixing member. Construction method of the earth structure.