JP2001295402A - Structure for reinforcing sleeper of wooden floor construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for reinforcing the sleepers of a wooden floor construction, for use as a means taking place of a post-based vertical floor structure, avoiding the need for installation of floor post footings and floor posts and preventing a floor from causing noises or becoming uneven as the result of unequal settlement of the ground by easily increasing strength and rigidity for load placed on top of the sleepers of the wooden floor construction. SOLUTION: Metallic reinforcements for increasing strength against load placed on the tops of the wooden sleepers are arranged in a hanging truss structure and mounted to the sleepers.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a reinforcement structure for a wooden floor set against a large overload.

[0002]

2. Description of the Related Art Conventionally, as a wooden floor group of a building, a "bundle floor structure" is generally constructed. In the "bundling floor structure", as shown in FIG. 12, a bunch of stones 33 installed on the leveled ground and a floor bundle 31 erected thereon support the pulling pulley 2 at a constant span. , Joist 34
And a floor plate 32 to form a floor structure. The wooden floor set by the “bundling floor structure” is composed of a floor bundle 31 and a slab stone 3 in which the loading load to be borne by the pulling pulley 2 is arranged at a constant span.
3 receives it and transmits it to the ground.

[0003]

However, in the wooden floor set by the above "bundled floor structure", when the ground causes local uneven settlement, the slab 33 and the floor bundle 31 at the place are set.
Sinks with the ground and becomes useless. That is, Excessive 2
Cannot be supported, so the slab 33 and the floor bundle 3
The "warp" occurred in the pulley 2 that lost the support of 1, or it caused floor noise and unevenness.

[0004] An object of the present invention is to simply reinforce the strength and rigidity of a wooden floor group against a large overload and to omit the installation of a slab and a floor bundle as an alternative to the "bundled floor structure". In addition, an object of the present invention is to provide a large-scale reinforcement structure for a wooden floor set, which can prevent generation of floor noise, unevenness, and the like due to uneven settlement of the ground.

[0005] A second object of the present invention is to eliminate the installation of slabs and floor bundles, to improve the efficiency of the work of constructing a wooden floor set, shorten the construction period, and reduce the construction cost such as labor costs. An object of the present invention is to provide a large-scale reinforcement structure in a floor group.

[0006]

Means for Solving the Problems As means for solving the above-mentioned problems, a large-scale reinforcement structure for a wooden floor set according to the first aspect of the present invention is a large-scale reinforcement structure for a wooden floor set. In addition, a metal reinforcing member for reinforcing the load strength of the wooden pulley is attached to a truss structure that hangs downward.

According to a second aspect of the present invention, there is provided a large-scale reinforcing structure for a wooden floor set according to the first aspect, wherein
It is characterized in that it is connected to the base via a joint plate formed at the end of the metal reinforcing material.

According to a third aspect of the present invention, in the large-scale reinforcing structure for a wooden floor set according to the first or second aspect, the metal reinforcing member includes an end unit made of two single members;
A truss structure is formed by connecting at least one intermediate unit.

[0009]

1 and 3 show a first embodiment of the present invention.
7 shows an embodiment of a large-scale reinforcement structure in a wooden floor set according to the inventions described in the first to third aspects. This embodiment relates to a reinforcement structure of a large pull-in 2 in a wooden floor set using a large pull-in 2 made of general wood having a substantially square cross section.

This reinforcing structure is implemented by a structure in which a metal reinforcing member 5 for reinforcing an overlying load strength is attached to a wooden truss structure to a truss structure that hangs downward. ). As shown schematically in FIG. 1, the truss structure is a triangular base truss structure in which the pulley 2 is the upper chord and the metal reinforcement 5 forms the lower chord and the diagonal.

The metal reinforcing member 5 is assembled into a truss structure by connecting two end units 3 and 3 made of a single material at the left and right ends and four intermediate units 4 in the example of FIG. (The invention according to claim 3). The metal reinforcing member 5 can be applied to the pulling bar 2 having various lengths by increasing or decreasing the number of the intermediate units 4 to be connected.

The intermediate unit 4 is shown in FIGS. 2A and 3A.
As shown in detail in FIG.
b, 4b are members that are integrally formed into an isosceles triangle by press working, or a member in which an angle is processed to assemble a lower chord member 4a and two diagonal members 4b, 4b into an isosceles triangle shape. As shown in FIG. 2B or 3A, an L-shaped joint plate 4e is integrally formed at the apexes of the two diagonal members 4b, 4b. As shown in FIG. 2B, this paired with an independent substantially Z-shaped joint plate 4f, sandwiched both side surfaces of the large pulley 2, and provided a bolt hole 16 at the top of the diagonal members 4b, 4b and the joint plate. Pass the bolt 19 through the bolt hole 16 'of 4f,
The nut is screwed and tightened from the opposite side to pinch and connect the pulley 2. Then, a nail 18 (or a wood screw or the like) is driven through the nail holes 7 and 7 'provided in the joint plates 4e and 4f to complete the connection with the pulling pulley 2.

One or more bolt holes 20 are formed at both ends of the lower chord material 4a of the intermediate unit 4.
As shown in FIG. 2A, the bolt holes 20 are used to connect the bolt holes 23 provided in the adjacent end unit 3 or the bolt holes 20 of another adjacent intermediate unit 4 with bolts 21. is there. Regarding the connection between the intermediate units 4, the bolt holes 20 are overlapped in a back-to-back arrangement so that the reinforcing ribs of the lower chord member 4a and the diagonal members 4b do not interfere with each other, and are fixed by bolts 21.

As shown in FIG. 3B, the end unit 3 has a substantially Z-shaped joint plate 3b at the upper end of an elongated plate 3a.
Consists of a welded single piece. Bolt holes 22 and 23 are formed at the upper end and the lower end of the plate member 3a, respectively.

As shown in FIG. 2A, the end unit 3 is inserted into the longitudinal groove provided at the end of the large pulley 2, and
The upper end of a is fitted, the bolt 24 is passed through the bolt hole 22 with the end of the large pulley 2 in close contact with the joint plate 3b, and a nut is screwed and tightened from the opposite side to join the two. The end unit 3 and the base 1 are joined by driving a nail 27 (or a wood screw or the like) through a nail hole 17 provided in the joint plate 3b.

As described above, the pulley 2 is rationally reinforced by the reinforcing member 5 made of metal and having a truss structure. Furthermore, it is firmly connected to the base 1 via the joint plate 3b at the end (the invention according to claim 2). Therefore, the base 1, the pulling pulley 2, and the metal reinforcing material 5 form an integral structure, and are connected and fixed more firmly, so that the strength against the overload is exhibited.

FIGS. 4A to 4C show an embodiment in which the pulley 2 has a configuration in which two rectangular members 2a, 2a having a rectangular cross section are combined in parallel. The metal reinforcing member is implemented in a configuration in which the end unit 3 and the intermediate unit 6 are assembled in a truss structure, similarly to the embodiment shown in FIGS.

As shown in detail in FIGS. 4A and 4B, the intermediate unit 6 includes a lower chord member 6a and a diagonal member, similarly to the intermediate unit 4 of the embodiment shown in FIGS. 6b, 6b is a member integrally formed by pressing into an isosceles triangular shape, or a member obtained by processing an angle to assemble a lower chord material 6a and two diagonal members 6b, 6b into an isosceles triangular shape. However, the apexes of the two diagonal members 6b, 6b are simply folded back, and the bolt holes 25 are formed. As shown in FIG. 4C, the intermediate unit 6 has two rectangular cross-sections 2
The top portion is inserted into the middle of a, 2a, a bolt 26 is passed through a bolt hole 25, and a nut is screwed in from the opposite side and tightened.

The lower chord material 6a of the intermediate unit 6
One or more bolt holes 20 are formed at both ends of
The bolt 2 is aligned with the bolt hole 23 of the end unit 3 or the bolt hole 20 of another adjacent intermediate unit 6.
The connection through 1 is the same as in the first embodiment.

As shown in FIG. 4A, the connection between the large pulley 2 and the end unit 3 is made up of two square members 2 forming the large pulley 2.
a and 2a, the joint plate 3b is brought into close contact with the ends, the upper end of the plate material 3a of the end unit 3 is inserted into the middle of the square members 2a, 2a, and the bolt 24 is passed through the bolt hole 22 of the end unit 3; It is performed in substantially the same manner as the embodiment shown in FIGS. On the other hand, the connection between the end unit 3 and the base 1 is performed in the same manner as in the embodiment shown in FIGS.

Next, FIGS. 5A to 5C show different embodiments of the large-scale reinforcement 2 having a substantially square cross section shown in FIGS. As shown in FIG. 5A, the reinforcing structure of the present embodiment is assembled into a substantially trapezoidal truss structure in which the large pulley 2 is the upper chord material and the metal reinforcing material 5 forms the lower chord material and the diagonal material. Have been.

That is, the present embodiment uses the hat-shaped intermediate unit 8 shown in FIG. 5C which is different from the embodiment shown in FIGS. 1 to 3 or 4A to 4C.
Except for this point, the embodiment is performed in the same manner as the embodiment shown in FIGS.

Regarding the intermediate unit 8 of the present embodiment,
This will be described below. This intermediate unit 8 is shown in FIGS.
As shown in detail in FIG.
This is a member in which b and 8b are integrally formed into a hat shape by press working, or a member in which an angle is processed and a lower chord material 8a and two slant members 8b and 8b are assembled in the hat shape. As in the first embodiment, an L-shaped joint plate 8e paired with a substantially Z-shaped joint plate 4f is provided at the apexes of the two diagonal members 8b, 8b.

As shown in FIG. 4C, the guide 2 has a rectangular section 2.
Even when the two square members 2a and 2a are combined in parallel, the intermediate unit 9 integrally formed by press working into the hat-shaped shape shown in FIG. 6 or the angle is assembled into the hat-shaped shape. When the intermediate unit 9 is used, the truss structure of the form shown in FIG. 5A can be implemented in the same manner as the embodiment shown in FIGS. 4A to 4C described above.

Next, FIGS. 7A to 7C show different embodiments of the reinforcement structure which is also a large square 2 having a substantially square cross section shown in FIGS. As shown in FIG. 7A, the reinforcing structure of the present embodiment uses the large pulley 2 as the upper chord material and the metal reinforcing material 5.
Are assembled in a rectangular based truss structure forming the lower chord and web material.

That is, the present embodiment uses the inverted T-shaped intermediate unit 11 shown in FIG. 7C, which is different from the above-described embodiments, except for this point. Is carried out in the same manner as described above.

The intermediate unit 11 of this embodiment will be described below. This intermediate unit 11 is shown in FIG.
As shown in detail in B and C, the lower chord 11a and the web 11b are integrally formed by pressing into an inverted T-shape, or the angle is processed to form the lower chord 11a and one web. 11b is a member assembled into the inverted T-shape. At the apex of the web material 11b, a pair with a Z-shaped joint plate 4f is formed similarly to the first embodiment.
A joint plate 11e having a U-shape is formed.

As shown in FIG. 4C, the guide 2 has a rectangular section 2.
Even when the two square members 2a and 2a are combined in parallel, the intermediate unit 12 integrally formed by press working into the inverted T-shape shown in FIG.
By using the intermediate unit 12 assembled in a U-shape, the truss structure of the form shown in FIG.
The present invention can be implemented by the same method as the embodiment shown in FIGS.

Next, FIGS. 9A and 9B and FIGS. 10A and 10B show different embodiments of the large square reinforcement structure having a substantially square cross section shown in FIGS. As shown in FIG. 9A, the reinforcing structure of the present embodiment is assembled in a rectangular truss structure in which the pulley 2 is the upper chord material and the metal reinforcing material 5 forms the lower chord material and the web material. ing.

The metal reinforcing member 5 includes an intermediate unit 13 or 13 'and an end unit 1 shown in FIGS. 10A and 10B.
4 and as shown in FIG. 9B,
3 is performed in the same manner as in the embodiment shown in FIG. The intermediate units 13, 13 'and the end unit 14, which constitute the metal reinforcing member 5, will be described below.

The intermediate unit 13 (or 13 ')
Is a lower chord material 1 as shown in FIGS. 9B and 10A and 10B.
3a (or 13'a) and web material 13b (or 13 ')
b) is formed into a substantially L-shaped member by press working, or an angle is processed to form a lower chord material 13a (or 13'a) and one web material 13b (or 13'b) in the substantially L-shape. Are assembled members. The web material 13
At the apex of b (or 13'b), similarly to the embodiment shown in FIGS. 1 to 3, a pair with a Z-shaped joint plate 4f, also a Z-shaped joint plate 13e (or 13 '). e) is attached.

Note that, as shown in FIG. 9B, in a span constituted by the intermediate unit, it is always necessary to set 2 in any one span.
The two intermediate units 13 ′, 13 ′ are attached to the pulley 2 in a line-symmetrical arrangement, and in the other spans, the intermediate unit 1
3 is attached to the pulley 2.

End unit 14 used in this embodiment
Is that the diagonal member 3a of the end unit 3 shown in FIG.
The diagonal line 14a having a length dimension capable of connecting a diagonal line of about 1 span while connecting the diagonal line with a span of 2
A joint plate 14b having the same Z-shape as the joint plate 3b is attached as an end material.

Even when the guide 2 is formed by combining two rectangular members 2a, 2a having a rectangular cross section as shown in FIG. 4C,
The intermediate unit 15, 15 'integrally formed by press working into the substantially L-shape shown in FIG. 11, or the intermediate unit 15, 1 assembled into an approximately L-shape by processing an angle
If 5 ′ is used, the truss structure of the form shown in FIG. 9A can be implemented in the same manner as the embodiment shown in FIGS. 4A to 4C.

The metal reinforcing member 5 in all of the above-described embodiments is a product in which an end unit and an intermediate unit are assembled into a kit that can be connected with bolts or the like at the time of manufacture and shipment. The present invention can also be implemented as a product in which the unit unit and the end unit are bolted and integrally assembled.

[0036]

According to the large reinforcing structure of the wooden floor set according to the first to third aspects of the present invention, as a means instead of the "bundled floor structure", the large pulling load on the wooden floor set can be reduced. The strength and rigidity can be easily reinforced, the installation of slabs and floor bundles can be omitted, and floor noise and unevenness due to uneven settlement of the ground can be prevented. In addition, the installation of slabs and floor bundles is omitted, so that the efficiency of construction work of the wooden floor group, the shortening of the construction period, and the reduction of construction costs such as labor costs can be achieved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view schematically showing the entire structure of an embodiment according to the present invention.

FIG. 2A is a partially detailed view showing an example of the embodiment of FIG. 1, and FIG. 2B is an end view of A taken along line ii.

FIG. 3A is a perspective view of the intermediate unit shown in FIG. 2A;
B is a perspective view of the end unit.

4A is a partial detailed view showing an example of the embodiment of FIG. 1, B is a perspective view of an intermediate unit of A, and C is hh of A.
FIG.

5A is a cross-sectional view schematically showing the entire structure of a different embodiment of the present invention, FIG. 5B is a partial detailed view showing an example of the embodiment of A, and FIG. 5C is a perspective view of an intermediate unit of B. is there.

FIG. 6 is a perspective view of an intermediate unit.

7A is a cross-sectional view schematically showing the entire structure of a different embodiment of the present invention, B is a partial detailed view showing an example of the embodiment of A, and C is a perspective view of an intermediate unit of B. FIG. is there.

FIG. 8 is a perspective view of an intermediate unit.

FIG. 9A is a cross-sectional view schematically illustrating the entire structure of a different embodiment of the present invention, and FIG. 9B is a partial detailed view illustrating an example of the embodiment of A.

FIGS. 10A and 10B are perspective views of the intermediate unit used in FIG. 7B.

FIGS. 11A and 11B are perspective views of the intermediate unit.

FIG. 12 is a cross-sectional view showing a floor group using a conventional “bundled floor structure”.

[Explanation of symbols]

2 Large pull 5 Metal reinforcement 1 Base 3, 4 End unit 4, 6, 8, 9, 11, 12, 13, 13 ', 15, 1
5 'middle unit

Claims (3)

[Claims] Claims: 1. A large-scale reinforcement structure for a wooden floor set, wherein a wooden reinforcement is attached to a downwardly hanging truss structure with a metal reinforcing material for reinforcing the load capacity. Characteristic, heavy-duty reinforcement structure in wooden floors. 2. The wooden floor set according to claim 1, wherein the pulley is connected to the base through a joint plate formed at an end of the metal reinforcing member. Reinforcement structure. 3. A truss structure in which a metal reinforcement is connected to an end unit made of two single members and at least one intermediate unit. A large-scale reinforcement structure for the wooden floor set according to claim 1 or 2.