JP7392250B2 - Wooden pole mounting structure - Google Patents

Description

The present invention relates to a wooden pole mounting structure.

2. Description of the Related Art Hardware for attaching exterior wall materials to a structural frame is known (for example, see Patent Document 1).

Japanese Patent Application Publication No. 5-222790

By the way, it is conceivable to attach a mounting member such as a sash to a wooden pole having a burnable layer on the outer periphery using a screw member such as a screw. However, in this case, in the event of a fire, fire heat may be transferred to the inside of the wooden column via the screw member, and the fire resistance of the wooden column may deteriorate.

The present invention takes the above-mentioned facts into account, and aims to attach a mounting member to the burnt layer of a wooden column using a screw member while suppressing a decrease in the fire resistance performance of the wooden column.

The wooden column mounting structure according to the first aspect includes a wooden column having a wooden column main body, a burnable layer that covers the outer surface of the wooden column main body, and a wooden column that is made of metal that does not penetrate the burnable layer. The present invention includes a metal base material fixed by a screw member, and a mounting member attached to the base material.

According to the wooden pillar attachment structure according to the first aspect , the wooden pillar has a wooden pillar main body and a burning layer that covers the outer surface of the wooden pillar main body. A metal base material is fixed to the burnt layer by a metal screw member. A mounting member is attached to this base material.

Here, by covering the outer surface of the wooden column main body with the burning layer, the fire resistance performance of the wooden column is improved. In addition, the screw member that fixes the base material to the burnable layer does not penetrate the burnable layer. Thereby, in the event of a fire, the transfer of fire heat to the wooden column main body via the screw member is suppressed. Therefore, deterioration of the fire resistance performance of the wooden pillar is suppressed.

Furthermore, by attaching the mounting member to the burnable layer of the wooden column via the base material, the load of the mounting member is distributed and transmitted to the burnable layer via the base material. Therefore, damage to the burnable layer around the screw member is suppressed.

A wooden pillar mounting structure according to a second aspect is the wooden pillar mounting structure according to the first aspect , in which the base material has a C-shape along three sides of the burnable layer in plan view, and the base material has a C-shape along three sides of the burnable layer, and Each of the three sides is fixed by a member.

According to the wooden column mounting structure according to the second aspect , the base material forms a C-shape along the three sides of the burnable layer in plan view, and is fixed to each of the three sides of the burnable layer by screw members. Ru.

By fixing the base material to the three sides of the burnable layer in plan view in this manner, the load of the mounting member is distributed and transmitted to the three sides of the burnable layer via the base material. Therefore, damage to the burnable layer around the screw member is further suppressed.

A wooden pillar mounting structure according to a third aspect is a wooden pillar mounting structure according to the first aspect or the second aspect , in which the base material includes a base material main body fixed to the burnable layer by the screw member, and a base material main body fixed to the burnable layer by the screw member. It has an extension part that extends from the main body to the outside of the wooden column and to which the attachment member is attached, and the attachment member has a housing part that accommodates the extension part.

According to the wooden pole mounting structure according to the third aspect , the base material has a base material main body and an extension part. The base material body is fixed to the burnt layer by screw members. An extension portion is extended from the base material main body to the outside of the wooden column. A mounting member is attached to the extending portion.

Here, the attachment member has a housing portion. By accommodating the extending portion in this accommodating portion, the extending portion becomes difficult to see from the outside. Therefore, the design of the mounting member is improved.

As explained above, according to the present invention, the attachment member can be attached to the burnt layer of the wooden column using the screw member while suppressing the deterioration of the fire resistance performance of the wooden column.

FIG. 2 is a plan cross-sectional view showing a wooden column to which a wooden column mounting structure according to an embodiment is applied, a plurality of indoor side blinds, and a plurality of outdoor side blinds. FIG. 2 is an exploded plan cross-sectional view showing the wooden pillar, base material, and buried timber shown in FIG. 1. FIG. FIG. 2 is an exploded plan cross-sectional view showing the wooden pillars, the indoor side blinds, and the outdoor side blinds shown in FIG. 1. FIG. 2 is a sectional view taken along line 4-4 in FIG. 1. FIG. 2 is a sectional view taken along line 5-5 in FIG. 1. FIG.

Hereinafter, a wooden pole mounting structure according to an embodiment will be described with reference to the drawings.

(Wood pillar mounting structure)
FIG. 1 shows a wooden pole 10, an outdoor blind 50, and a pair of indoor blinds 60 to which the wooden pole mounting structure according to the present embodiment is applied. Note that the arrow OUT shown in each figure indicates the outdoor side, and the arrow IN indicates the indoor side. Further, the outdoor side blind 50 and the indoor side blind 60 are examples of attachment members.

(Wood pillar, wood pillar body)
The wooden pillar 10 is formed into a prismatic shape. Further, the wooden pillar 10 has a fireproof structure. This wooden column 10 has a wooden column main body 20 and a burning layer 30 that covers the outer surface of the wooden column main body 20. The wooden column main body 20 has a wooden core 22 and a burn-proof layer 24.

(woody heart)
The wooden core portion 22 is made of a wooden material such as laminated wood or solid wood. Further, the wooden core portion 22 extends in the axial direction of the wooden column 10, and has a rectangular planar cross-sectional shape. This wooden core 22 is formed to be able to support the loads (long-term load and short-term load) borne by the wooden column 10.

(Burning stop layer)
The burn-stopping layer 24 is arranged along the outer periphery of the wooden core 22 and covers the entire outer surface of the wooden core 22. This burn-stopping layer 24 is a layer that stops the burning of the burnable layer 30 (natural fire suppression) in the event of a fire and suppresses the burning of the woody core 22 .

The burn-stopping layer 24 is a high heat capacity layer (heat capacity type) that has a larger heat capacity than the wood core 22. The fireproof layer 24 includes wood materials 24A and hardened bodies 24B alternately arranged on the outer surface of the wood core 22. The wooden material 24A and the hardened body 24B are arranged along the axial direction of the wooden column 10.

The wooden material 24A is made of laminated wood, solid wood, or the like, and is bonded to the outer surface of the wooden core 22 with an adhesive or the like. On the other hand, the hardened body 24B is formed by hardening mortar, grout, or concrete, for example, and has a larger heat capacity than the wood material 24A. By alternately arranging the wood materials 24A and the hardened bodies 24B, the heat capacity of the entire firestop layer 24 is larger than the heat capacity of the wood core 22 and the burn reserve layer 30.

(Burning layer)
A wood-based burn layer 30 is provided on the outside of the burn stop layer 24. The burn-proof layer 30 is disposed along the outer periphery of the burn-stop layer 24, and covers the entire outer surface of the burn-stop layer 24. This burnable layer 30 is a layer that suppresses the infiltration of fire heat into the wood core 22 by burning and forming a carbonized layer (insulating layer) in the event of a fire. In addition, the burn-proof layer 24 and the burn-proof layer 30 can also be regarded as a fire-resistant coating part that coats the wooden core part 22 with fire resistance.

The burning layer 30 is made of a wood material such as laminated wood or solid wood, and is bonded to the outer surface of the wood material 24A of the burning layer 24 with an adhesive or the like. A plurality of outdoor blinds 50 and a plurality of indoor blinds 60 are attached to this burnable layer 30 via a metal base material 40 .

Note that it is preferable that the burning layer 30 is formed of a wood with high strength, such as structural lumber. Further, the thickness (layer thickness) of the burn reserve layer 30 is appropriately set according to the required fire resistance performance (fire resistance time) required of the wooden column 10, and the combustion speed and heat shielding performance of the burn reserve layer 30. At this time, the thickness (layer thickness) of the burning allowance layer 30 is appropriately set in consideration of the weight of the outdoor side mesh 50 and the plurality of indoor side meshes 60, the lengths of the screw members 34 and 36 described later, etc. .

(base material)
As shown in FIG. 2, the base material 40 is formed of, for example, a steel plate. This base material 40 has a base material main body 42, an outdoor side extension part 44, and a pair of indoor side extension parts 46. Note that the outdoor extending portion 44 and the indoor extending portion 46 are examples of extending portions.

The base material main body 42 has a C-shape along three sides of the burnable layer 30 in plan view. This base material main body 42 has a first frame portion 42A and a pair of second frame portions 42B provided at both ends of the first frame portion 42A in the longitudinal direction.

As shown in FIG. 3, the first frame portion 42A is disposed along the side surface 30S of the combustion reserve layer 30 on the outdoor side (arrow OUT side) in a plan view, and is secured by a plurality of screw members 34. It is fixed to the sublayer 30. As shown in FIG. 4, the plurality of screw members 34 are, for example, metal screws. These screw members 34 are screwed into the combustion reserve layer 30 so as not to penetrate the combustion reserve layer 30. Thereby, in the event of a fire, transmission of fire heat to the burn-stopping layer 24 via the screw member 34 is suppressed.

The first frame portion 42A is provided with an outdoor extension portion 44. The outdoor extending portion 44 is formed of a steel plate or the like. Moreover, the outdoor side extension part 44 is provided over the entire length of the first frame part 42A in the longitudinal direction. Further, the outdoor side extension portion 44 extends from the lower end of the first frame portion 42A to the outdoor side of the wooden column 10. An outdoor blind 50 is attached to the outdoor extending portion 44 .

(Outdoor side without eyes)
The outdoor side blind 50 is made of wood material. Further, the outdoor side mullion 50 is installed over a pair of mullions (not shown), and together with the pair of mullions, constitutes a wooden sash. As shown in FIG. 4, the outdoor side blind 50 has a facing surface 50T that faces the outdoor side side surface 30S of the burning reserve layer 30. Further, a concave housing portion 52 is formed on the lower surface 50L of the outdoor side blind 50.

The housing portion 52 is formed into a rectangular shape when viewed from above. The accommodating portion 52 opens the lower surface 50L and the opposing surface 50T of the outdoor blind 50. The outdoor side extension part 44 is accommodated in this accommodation part 52 . In this state, the outdoor blind 50 is fixed to the outdoor extending portion 44 by a plurality of screw members 54.

Note that a through hole 45 through which a screw member 54 is passed is formed in the outdoor side extension portion 44 . Further, a buried wood 58 is fitted into the housing portion 52 to cover the outdoor side extension portion 44 from below. By covering the outdoor side extension part 44 with this embedded wood 58, the design of the outdoor side blind 50 is enhanced.

As shown in FIG. 3, the pair of second frame parts 42B extend from both ends of the first frame part 42A in the longitudinal direction toward the indoor side (arrow IN side) of the wooden column 10. Each second frame portion 42B is disposed within a groove 32 formed in the side surface 30S of the burning reserve layer 30.

A buried wood 38 that covers the second frame portion 42B is fitted into the groove 32. By covering the second frame portion 42B with the buried wood 38, the design of the wooden column 10 is enhanced. Note that the embedded wood 38 can be omitted. Further, the groove 32 can also be omitted.

As shown in FIG. 5, the tip of the second frame portion 42B is fixed to the burnt allowance layer 30 by a plurality of screw members 36. The plurality of screw members 36 are, for example, metal screws. These screw members 36 are screwed into the combustion reserve layer 30 so as not to penetrate the combustion reserve layer 30. Thereby, in the event of a fire, transmission of fire heat to the burn-stopping layer 24 via the screw member 36 is suppressed.

An indoor extending portion 46 is provided at the tip of the second frame portion 42B. The indoor side extension part 46 is formed of a steel plate or the like. Further, the indoor side extension portion 46 extends to the outside of the wooden column 10 from the vertically central portion of the outer surface of the tip portion of the second frame portion 42B. An indoor side blind 60 is attached to this indoor side extension part 46.

(No eyes on the indoor side)
As shown in FIG. 3, the indoor side blinds 60 are made of a wooden material and are arranged on both sides of the wooden pillar 10. Further, the indoor side blind 60 is constructed between the wooden pillars 10 and a mullion (not shown), and together with the mullion, constitutes a wooden sash. As shown in FIG. 5 , the indoor side blind 60 has a facing surface (end surface) 60T that faces the side surface 30S of the burning reserve layer 30. Further, a slit-shaped accommodating portion 62 is formed on the facing surface 60T of the indoor side blind 60.

The accommodating portion 62 is formed at the center in the thickness direction of the facing surface 60T of the indoor side mesh 60. The indoor extension portion 46 is accommodated in the accommodation portion 62 . In this state, the indoor side blind 60 is fixed to the indoor side extension part 46 by a plurality of drift pins 64.

In addition, through holes 47 and 66 into which the drift pin 64 is inserted are formed in the indoor side extension part 46 and the indoor side hole 60.

(effect)
Next, the operation of this embodiment will be explained.

As shown in FIG. 1, according to the wooden pole mounting structure according to the present embodiment, the wooden pole 10 includes a wooden pole body 20 and a burnt layer 30 that covers the outer surface of the wooden pole body 20. There is. A metal base material 40 is fixed to the burnable layer 30 by metal screw members 34 and 36. An outdoor blind 50 and a pair of indoor blinds 60 are attached to the burnable layer 30 via this base material 40.

Here, by covering the outer surface of the wooden column main body 20 with the burning layer 30, the fire resistance performance of the wooden column 10 is improved. Further, as shown in FIGS. 4 and 5, the screw members 34 and 36 that fix the base material 40 to the burnt reserve layer 30 do not penetrate the burnt reserve layer 30. Thereby, in the event of a fire, the transfer of fire heat to the wooden column main body 20 via the screw members 34 and 36 is suppressed. Therefore, deterioration of the fire resistance performance of the wooden pillar 10 is suppressed.

Further, as shown in FIG. 1, the base material 40 has a base material main body 42, an outdoor side extension part 44, and a pair of indoor side extension parts 46. The base material main body 42 has a C-shape along the three sides of the burnable layer 30 in plan view, and is fixed to the three sides of the burnable layer 30 by screw members 34 and 36, respectively.

In this way, by fixing the base material main body 42 to the three sides of the burning allowance layer 30, the load of the outdoor side blind 50 and the pair of indoor side blinds 60 is transferred through the base material main body 42, and It is distributed and transmitted to three sides of the sublayer 30. Therefore, damage to the burnable layer 30 around the screw members 34 and 36 is suppressed.

Moreover, as shown in FIG. 4, the outdoor side extension part 44 extends outward from the first frame part 42A of the base material main body 42. An outdoor blind 50 is attached to the outdoor extending portion 44 .

Here, a concave accommodating portion 52 is formed on the lower surface 50L of the outdoor blind 50. By accommodating the outdoor extending portion 44 in the accommodating portion 52, the outdoor extending portion 44 becomes difficult to see from the outside. Further, in this embodiment, a buried wood 58 is fitted into the housing portion 52. The outdoor extension portion 44 is covered and hidden by this embedded wood 58. Therefore, the design of the outdoor blind 50 is improved.

Moreover, as shown in FIG. 5, the indoor side extension part 46 extends from the tip of the pair of second frame parts 42B of the base material main body 42 to the outside of the wooden column 10. Indoor side blinds 60 are attached to these indoor side extension parts 46, respectively.

Here, a slit-shaped accommodating portion 62 is formed on the facing surface 60T of the indoor side blind 60. By housing the indoor side extension part 46 in this housing part 62, the indoor side extension part 46 becomes difficult to see from the outside. Therefore, the design of the indoor side blind 60 is improved.

Further, the second frame portion 42B of the base material 40 is accommodated in the groove 32 formed in the burnt layer 30 of the wooden column 10. This makes it difficult to see the second frame portion 42B from the outside. Further, in this embodiment, a buried wood 38 is fitted into the groove 32. The second frame portion 42B is covered and hidden by this embedded wood 38. Therefore, the design of the wooden pillar 10 is improved.

(Modified example)
Next, a modification of the above embodiment will be described.

In the embodiment described above, the first frame portion 42A of the base material 40 is arranged along the side surface 30S on the outdoor side of the burnable layer 30. However, the first frame portion 42A of the base material 40 may be arranged, for example, along the indoor side surface 30S of the burnable layer 30.

Further, in the above embodiment, the base material 40 (base material main body 42) is formed into a C-shape in plan view. However, the shape of the base material 40 can be changed as appropriate, and for example, it may be formed in an L-shape or linearly in a plan view.

Further, in the embodiment described above, a plurality of outdoor blinds 50 and indoor blinds 60 are attached to the wooden pillar 10 via the base material 40. However, the arrangement or number of the outdoor side blinds 50 and the indoor side blinds 60 attached to the wooden pillar 10 can be changed as appropriate.

Further, in the embodiment described above, the embedded wood 58 is fitted into the accommodating portion 52 of the outdoor blind 50. However, the buried tree 58 can be omitted. Further, in the above embodiment, a concave accommodating portion 52 is formed on the lower surface 50L of the outdoor blind 50. However, a slit-shaped receiving portion may be formed in the outdoor blind 50 similarly to the indoor blind 60. Moreover, the accommodating part 52 can be omitted.

Further, in the embodiment described above, the slit-shaped accommodating portion 62 is formed on the facing surface 60T of the indoor side blind 60. However, the indoor side blind 60 may be formed with a concave accommodating portion, for example, similarly to the outdoor side blind 50. Moreover, the accommodating part 62 can be omitted.

Further, in the above embodiment, the outdoor side blind 50 and the indoor side blind 60 are attached to the wooden pillar 10 as attachment members. However, the mounting member is not limited to the outdoor blinds 50 and the indoor blinds 60, and may be, for example, a wall material or a finishing material.

Further, the wooden column main body 20 of the wooden column 10 of the above embodiment has a wooden core 22 and a burn-proof layer 24 . However, the wooden column main body 20 only needs to have at least the wooden core 22, and the fireproof layer 24 can be omitted.

Although one embodiment of the present invention has been described above, the present invention is not limited to such an embodiment, and the embodiment and various modifications may be used in combination as appropriate, and the gist of the present invention may be It goes without saying that the invention can be implemented in various ways without departing from the scope.

10 Wooden pillar 20 Wooden pillar main body 30 Burning allowance layer 34 Screw member 36 Screw member 40 Base material 42 Base material main body 44 Outdoor side extension part (extension part)
46 Indoor side extension part (extension part)
50 Outdoor side blank (mounting material)
52 Accommodation part 60 Indoor side without eyes (mounting member)
62 Housing section

Claims (3)

A wooden column having a wooden column body and a burnt layer covering the outer surface of the wooden column body;
a metal base material having a frame portion that is disposed in a groove formed in a side surface of the burn reserve layer and is fixed to the burn reserve layer by a metal screw member that does not penetrate the burn reserve layer;
a mounting member attached to the base material;
Wooden pillar mounting structure. The base material has a C-shape along three sides of the burnable layer in plan view, and is fixed to each of the three sides by the screw member.
The wooden pillar mounting structure according to claim 1. The base material is
a base material main body fixed to the burnable layer by the screw member;
an extension part extending from the base material main body to the outside of the wooden column and to which the attachment member is attached;
has
The attachment member has a housing part that houses the extension part.
The wooden pillar mounting structure according to claim 1 or 2.