JP4568566B2 - Construction method of wooden building unit - Google Patents

Description

The present invention relates to a method for constructing a wooden building unit.

As a wooden building unit, as described in Patent Document 1, the vertical frame of the wall panel and the floor joist of the floor panel are fastened with a hole down hardware, and the wall panel and the floor panel are integrated with the horizontal force acting on the building. Some attempt to prevent the panel from being pulled out.
JP 2000-96723 A

In the prior art of Patent Document 1, the hole-down hardware is a combination of an L hardware and a bolt, which is complicated and expensive.

As a conventional technique for simply joining the wall panel 1 and the floor panel 2, as shown in FIG. 6 (A), nailing both ends of the band 3 from the outside of the building unit to the outer surface of the wall panel and the floor panel. There is. However, in this prior art, it is impossible to nail the bandage on the outer surface of the building unit after installation of the building unit due to the presence of other adjacent building units,
When nailing the hardware to the outside of the building unit before installation of the building unit,
The strap 3 extends when the building unit is transported and lifted (FIG. 6 (B)), and then swells when installed (FIG. 6 (C)), which impairs the integral effect of the wall panel 1 and the floor panel 2, Pulling out cannot be prevented sufficiently.

An object of the present invention is to prevent a wall panel from being pulled out easily and reliably against a horizontal force acting on a building in a wooden building unit.

The invention according to claim 1, one end of the twist hardware and nailing fixed to the opening side vertical frame of the wall panel, how to build a wooden building unit comprising a second end of the torsion hardware and nailing fixed to the floor panel Floor joists At the factory production stage of the building unit, one end of the twisted hardware is fixed by nailing to the vertical frame beside the opening of the wall panel, and the other of the twisted hardware is transported at the site installation stage after the building unit is transported and lifted. The end is fixed by nailing to the floor joist of the floor panel .

According to a second aspect of the present invention, in the first aspect of the present invention, the twisted hardware is vertically extended through a loose hole provided in a bottom frame of the wall panel and a face material of the floor panel. .

(Claim 1)
(a) The wall panel and the floor panel can be easily integrated by twisting hardware nailing structure.

(b) The twisted hardware is fixed by nailing to the opening side vertical frame of the wall panel and the floor joist of the floor panel, and is provided inside the panel of the wall panel and the floor panel. Therefore, after the installation of the building unit, the twisted hardware can be nailed inside the panel of the building unit regardless of the presence of other adjacent building units. In this way, one end of the twisted hardware is fixed in the vertical frame beside the opening of the wall panel at the factory production stage of the building unit, and the other end of the twisted hardware is secured at the site installation stage after the building unit is transported and lifted. Can be nailed and fixed to the floor joists of the floor panel, so that the twisted hardware can be prevented from extending and bulging by lifting the building unit with both ends of the twisted metal nailed and fixed. The wall panel and the floor panel are stably integrated by the twisted hardware, and the wall panel can be reliably prevented from being pulled out.

(Claim 2)
(c) Since the twisted hardware extends up and down through the loose holes provided in the bottom frame of the wall panel and the face material of the floor panel, the twisted hardware can be easily attached to the wall panel to the floor panel. .

1 is a perspective view showing a wooden building unit, FIG. 2 is a cross-sectional view showing a joining structure of a wall panel and a floor panel in II part of FIG. 1, FIG. 3 is a cross-sectional view taken along line III-III of FIG. 2 is a cross-sectional view taken along line IV-IV in FIG. 2, FIG. 5 shows a twisted hardware, (A) is a front view before twisting, (B) is a front view after twisting, and FIG. 6 is a conventional belt. It is a schematic diagram which shows the use condition of a hardware.

The wooden building unit 1 in FIG. 1 is installed and fixed on a concrete foundation 2 (FIGS. 2 and 3), or is installed and fixed on another lower floor building unit, and becomes a component of the unit building.

The wooden building unit 1 includes a wall panel 10 and a floor panel 20 as shown in FIGS.

The wall panel 10 is erected on the outer edge of the floor panel 20, and includes an upper frame 11, a lower frame 12,
An inner wall surface material 14 and an outer wall surface material 15 are provided on the inside and outside of the wall frame assembly 10 </ b> A composed of the vertical frame 13.

The floor panel 20 is configured by fixing a connecting material 22 around the lower surface of a floor frame assembly 20A made of floor joists 21 and attaching a floor surface material 23 on the upper surface of the floor frame assembly 20A.

The wooden building unit 1 to which the present invention is applied includes an opening 16 in a part or all of the wall surface of the wall panel 10, and the wall having a tendency to weaken the pulling strength against a horizontal force by providing the opening 16. In order to reinforce the panel 10, the following configuration is provided.

That is, the wooden building unit 1 has one end mounting portion 3 of the twisted hardware 30 as shown in FIGS.
1 is fixed to the side surface 13B facing the wall sandwiched between both wall surface materials 14 and 15 in the opening side vertical frame 13A of the wall panel 10 by a nail 31A, and the other end mounting portion 32 of the twisted hardware 30 is fixed to the floor panel 20.
The side joist 21A is fixed to the side surface 21B facing the under floor by a nail 32A. Thereby, the wooden building unit 1 connects the wall panel 10 and the floor panel 20 integrally, and improves the pulling-out strength of the wall panel 10 with respect to the horizontal force which acts on a building.

As shown in FIG. 5, the twisted hardware 30 includes a connecting portion 33 that connects the one end mounting portion 31 and the other end mounting portion 32.
It is a bent molded body such as a flat steel plate, which is connected to each other. At this time, the opening side vertical frame 13A and the side joist 21A are arranged orthogonal to each other, and the side surface 13B of the opening side vertical frame 13A and the side surface 21 of the side joist 21A.
Since B is also orthogonal to each other, the twisted hardware 30 is formed by twisting (bending) the one end attachment portion 31 and the other end attachment portion 32 so as to be perpendicular to each other. FIG. 5A shows a state before twisting of the twisted hardware 30, and FIG. 5B shows a state after twisting of the twisted hardware 30.

Further, the wooden building unit 1 has a vertical frame 13 at the side of the opening in the wall panel 10 at the factory production stage.
Loose holes 41 and 42 are drilled in the lower frame 12 on the side of A and the floor material 23 on the side of the side joist 21A in the floor panel 20, and the twisted hardware 30 is passed through the loose holes 41 and 42. It extends vertically from the wall panel 10 side to the floor panel 20 side.

The wooden building unit 1 is intended to improve the pull-out strength of the wall panel 10 after being installed on the foundation 2 (or the lower floor building unit).
Only the above-described attachment to one wall panel 10 is performed at the factory production stage, and the above-described attachment to the floor panel 20 of the other end attachment portion 32 of the twisted hardware 30 is performed after field installation.

Therefore, the installation procedure of the wooden building unit 1 is performed as follows.
(1) The factory-produced wooden building unit 1 is transported to the construction site, and the wooden building unit 1 is lifted by using the lifting tools connected to the four corners of the wooden building unit 1 in plan view, and the foundation 2 (or lower floor building) Unit). At this time, the twisted hardware 30 nails and fixes only one end mounting portion 31 to the side surface 13B of the opening side vertical frame 13A of the wall panel 10, and the other end mounting portion 32 is a loose hole 41 of the lower frame 12 of the wall panel 10. It is simply positioned in front of the side surface 21B of the side joist 21A of the floor panel 20 through the loose hole 42 of the floor surface material 23 of the floor panel 20. Note that when the wooden building unit 1 is lifted, the wall panel 10 and the floor panel 20 are held vertically by a not-shown upper and lower connection tool.

(2) After the installation of the wooden building unit 1, the other end mounting portion 32 of the twisted hardware 30 is nail-fixed to the side surface 21B of the side joist 21A of the floor panel 20 from below the floor.

According to the present embodiment, the following operational effects can be obtained.
(a) The wall panel 10 and the floor panel 20 can be simply integrated by the nailing structure of the twisted hardware 30.

(b) The twisted hardware 30 includes the opening side vertical frame 13A of the wall panel 10 and the side joist 21A of the floor panel 20.
The wall panel 10 and the floor panel 20 are provided inside the panel. Therefore, after the installation of the building unit 1, the twisted hardware 30 is connected to another adjacent building unit 1.
Can be nailed inside the panel of the building unit 1. Thereby, at the factory production stage of the building unit 1, one end of the twisted hardware 30 is connected to the vertical frame 13 on the side of the opening of the wall panel 10.
It is possible to nail and fix the other end of the twisted hardware 30 from below the floor to the side joist 21A of the floor panel 20 at the stage of transporting the building unit 1 and installing it on the site after lifting. It is possible to avoid the extension and swelling of the twisted hardware 30 caused by lifting the building unit 1 in a state where both ends of the hardware 30 are fixed by nailing. The wall panel 10 and the floor panel 20 can be stably integrated by the twisted hardware 30, and the wall panel 10 can be reliably prevented from being pulled out.

(c) Since the twisted hardware 30 extends vertically through the loose holes 41 and 42 provided in the bottom frame 12 of the wall panel 10 and the floor material 23 of the floor panel 20, the twisted hardware 30 is made to extend to the wall panel 10. -It can be easily attached to the floor panel 20.

The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration of the present invention is not limited to this embodiment, and even if there is a design change or the like without departing from the gist of the present invention. It is included in the present invention.

FIG. 1 is a perspective view showing a wooden building unit. FIG. 2 is a cross-sectional view showing a joint structure between a wall panel and a floor panel in a portion II in FIG. FIG. 3 is a sectional view taken along line III-III in FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. FIG. 5 shows a twisted hardware, (A) is a front view before twisting, and (B) is a front view after twisting. FIG. 6 is a schematic diagram showing the state of use of a conventional band.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Wood building unit 10 Wall panel 12 Lower frame 13A Open side vertical frame 20 Floor panel 21A Side joist (floor joist)
23 Face material 30 Twist hardware 41, 42 Loose hole

Claims (2)

One end of the twist hardware and nailing fixed to the opening side vertical frame of the wall panel, the other end of the torsion hardware A method of constructing wooden building units made by nailing fixed to the floor panel floor joists,
At the factory production stage of the building unit, one end of the twisted hardware is nail-fixed to the vertical frame beside the opening of the wall panel, and the other end of the twisted hardware is fixed to the floor panel at the site installation stage after transportation and lifting of the building unit. To build a wooden building unit that is nailed to the floor joists . The method for constructing a wooden building unit according to claim 1, wherein the twisted hardware extends vertically through a loose hole provided in a lower frame of a wall panel and a floor panel.

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