JP6731127B1 - Pseudo structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress damage to a pseudo structure formed by imitating a structure of a building and damage to a joint portion of the pseudo structure. A pseudo structure (20) includes a first columnar portion (21) having one end portion (21a) joined to a column member (2) and a second columnar portion (22) having one end portion (22a) joined to an eaves support member (3). The first columnar portion 21 has an insertion hole 21d that opens to the end surface 21c of the other end portion 21b, and the second columnar portion 22 has an insertion portion that is formed at the other end portion 22b and inserted into the insertion hole 21d. A gap G1 having a predetermined size is provided between the inner peripheral surface of the insertion hole 21d and the outer peripheral surface 22c of the insertion portion, and the first columnar portion 21 and the second columnar portion 22 are arranged relative to each other in the axial direction. Can be moved. [Selection diagram] Figure 2

Description

The present invention relates to a pseudo structure formed by imitating a structure provided to secure structural strength of a building.

Patent Document 1 discloses a building provided with a plurality of eaves suspending members for suspending and supporting the eaves member as a structure for ensuring the structural strength of the building.

JP, 2008-280761, A

In a building provided with a plurality of eaves suspension members as described in Patent Document 1, in addition to the eaves suspension members necessary to secure structural strength, the eaves structure is structurally suspended for the purpose of improving designability. It may be required to provide a pseudo structure imitating an eaves suspension member in a portion where it is not necessary to provide a member. Since the pseudo structure is provided as a non-structure in order to improve the design, it does not need to have the same strength as the eaves suspension member, and is therefore formed of a material having lower strength than the eaves suspension member. Further, it is desirable that the pseudo structure is a non-structure that can be easily changed in size, can be freely set in a mounting position, and does not contribute as a structure.

When such a pseudo structure formed of a material having relatively low strength is attached to a building by the same joining method as the eaves suspension member, the tension effect (bracing effect) works and the load acting on the eaves suspension member is increased. Equivalent load acts on the pseudo structure, the joint part may be damaged, or the pseudo structure itself may be damaged, and the building body to which the pseudo structure is bonded may be adversely affected. There is a nature.

It is an object of the present invention to suppress damage to a pseudo structure that has an appearance similar to that of a structure of a building and damage to a joint portion of the pseudo structure.

The present invention is a pseudo structure which is formed by imitating a structure provided to secure the structural strength of a building, and which is provided in a place where the structure does not need to be installed due to the structural strength of the building. , A first columnar portion whose one end is joined to the first building material of the building, and a second columnar portion whose one end is joined to a second building material different from the first building material, wherein the first columnar portion is A second columnar portion has an insertion portion formed at the other end portion and inserted into the insertion hole, and an inner peripheral surface of the insertion hole and an outer periphery of the insertion portion. A gap of a predetermined size is provided between the surface and the surface, and the first columnar portion and the second columnar portion can move relative to each other in the axial direction when they are attached to the building .

According to the present invention, it is possible to suppress damage to a pseudo structure formed by imitating a structure of a building and having an appearance similar to that of the structure and damage to a joint portion of the pseudo structure.

It is a perspective view for explaining a building in which a pseudo structure concerning a 1st embodiment of the present invention is provided. It is a side view of the building in which the pseudo structure concerning a 1st embodiment of the present invention is provided. It is sectional drawing which shows the cross section which follows the AA line of FIG. It is a figure which shows the pseudo structure which concerns on 2nd Embodiment of this invention.

Hereinafter, a pseudo structure according to an embodiment of the present invention will be described with reference to the drawings.

<First Embodiment>
The pseudo structure 20 according to the first embodiment will be described with reference to FIGS. The pseudo structure 20 is formed by imitating a structure such as a support member provided to secure the structural strength of the building, and it is necessary to install the structure in view of the structural strength of the building. It is provided mainly for the purpose of improving the design in a place that does not exist.

Below, about the case where the pseudo structure 20 is formed by imitating the eaves suspension member 10 (structure) for suspending and supporting the eaves member 4 provided in the building 1, as shown in FIG. 1. explain. 1 is a perspective view showing a part of the building 1 in which the pseudo structure 20 is provided in a simplified manner, and FIG. 2 is a side view of the building 1 in the part in which the pseudo structure 20 is provided, FIG. 3 is a cross-sectional view showing a cross section taken along the line AA of FIG.

First, referring to FIG. 1, a building 1 in which a pseudo structure 20 according to the first embodiment is provided will be described.

The building 1 includes a plurality of pillar members 2 standing upright in a vertical direction, an eaves support member 3 having one end joined to each pillar member 2, an eaves member 4 bridged between the eaves support members 3, and an eaves The eaves suspension member 10 that suspends and supports the support member 3.

A plate member 5 to which one end of the eaves suspending member 10 is joined is provided in a portion above the portion of the pillar member 2 to which the eaves supporting member 3 is joined. A plate member 6 to which the other end of the eaves suspension member 10 is joined is provided in the portion.

Joining portions 11 and 12 are provided at both ends of the eaves suspension member 10, and the joining portion 11 provided at one end is joined to the plate member 5 of the pillar member 2 via a high-strength bolt (not shown). The joining portion 12 provided at the other end is joined to the plate member 6 of the eaves supporting member 3 via a high-strength bolt (not shown).

In this way, the pillar member 2 and the eaves support member 3 are jointly supported by the eaves suspension member 10, so that the weight of the eaves member 4 and the eaves support member 3 or the load acting on the eaves member 4, such as the load due to snow, The eaves suspension member 10 (structure) supports the external force generated by the blowing up and down of the wind.

Here, in the case where one eaves suspension member 10 has a large cross-sectional area and excellent cross-sectional performance and high yield strength, the number of eaves suspension members 10 to be installed can be reduced, and the eaves support member 3 can be installed. When the eaves supporting member 3 and the eaves supporting member 3 can support the weight of the eaves supporting member 3 and the eaves supporting member 3 only by rigidly joining the eaves supporting member 3 to the pillar member 2, the eaves hanging member 10 Need not be provided. In this way, when the structural strength of the building 1 is sufficiently secured or when the load to be borne by the eaves support member 3 is small, it is possible to reduce the eaves suspension member 10 and to reduce the construction cost of the building 1. In terms of advantages.

On the other hand, even if it is possible to reduce or eliminate the eaves suspension member 10, it is not necessary to provide a structure such as the eaves suspension member 10 in terms of structural strength for the purpose of improving designability. It is required to provide a pseudo structure 20 that has a similar appearance to the eaves suspension member 10 and is formed in a place, for example, in the vicinity of the eaves suspension member 10 as shown in FIG. There is.

The pseudo structure 20 is a non-structured body provided only for improving the design, and may have an appearance similar to that of the eaves suspension member 10. Therefore, the pseudo structure 20 need not have the rigidity of the eaves suspension member 10. Absent. Therefore, the pseudo structure 20 is formed of a material having a lower strength than that of the eaves suspension member 10 and has substantially the same shape as the eaves suspension member 10.

When the pseudo structure 20 formed by imitating the eaves suspension member 10 in this manner is attached to the column member 2 and the eaves support member 3 by the same joining method as the eaves suspension member 10, the pseudo structure 20 has The tension effect (bracing effect) may act and a load equivalent to the load acting on the eaves suspension member 10 may act. Therefore, the pseudo structure 20, which is formed of a material having a relatively low strength and has a relatively low rigidity, cannot withstand this load, the pseudo structure 20 itself is damaged, or the pseudo structure 20 and the column member are damaged. There is a risk that the portion that joins 2 and the portion that joins the pseudo structure 20 and the eaves support member 3 may be damaged, and as a result, the building 1 to which the pseudo structure 20 is joined may be adversely affected. There is a nature.

In the present embodiment, in order to avoid such a situation, the pseudo structure 20 is not simply formed in the same shape as the eaves suspension member 10 but has the following configuration.

As shown in FIG. 2, in the pseudo structure 20, one end 21a is joined to the pillar member 2 (first building material), and the first columnar portion 21 is joined to the eaves support member 3 (second building material). The second columnar portion 22 to be joined is provided.

The first columnar portion 21 is formed of a cylindrical steel pipe, the one end portion 21a is provided with a joining plate 23 that is joined to the plate member 5 of the column member 2, and the other end portion 21b is shown in FIG. As shown in, an insertion hole 21d that opens to the end face 21c is provided.

The second columnar portion 22 is formed of a cylindrical steel pipe having an outer diameter smaller than the inner diameter of the insertion hole 21d of the first columnar portion 21, and the one end 22a is joined to the plate member 6 of the eaves support member 3. The joining plate 24 is provided, and the other end portion 22b is an insertion portion that is inserted into the insertion hole 21d of the first columnar portion 21.

In the pseudo structure 20, one end 21a of the first columnar portion 21 having the above-described shape is joined to the plate member 5 of the column member 2 via the joining plate 23, and the other end 21b of the first columnar portion 21 is supported by the eaves. The first columnar portion 2 is provided obliquely with respect to the column member 2 so as to face the portion of the member 3 where the plate material 6 is provided, and the one end portion 22a of the second columnar portion 22 having the above-mentioned shape is provided via the joining plate 24. By joining the plate member 6 of the eaves support member 3 and providing the second columnar portion 22 obliquely with respect to the eaves support member 3 so that the other end 22b is inserted into the insertion hole 21d of the first columnar portion 21. The state becomes a state imitating the eaves suspension member 10 (structure).

Further, as shown in FIG. 3, in a state where the other end portion 22b of the second columnar portion 22 is inserted into the insertion hole 21d of the first columnar portion 21, the inner peripheral surface of the insertion hole 21d of the first columnar portion 21. A gap G1 having a predetermined size is provided between the outer peripheral surface 22c of the other end 22b (insertion portion) of the second columnar portion 22 and the second outer peripheral surface 22c. That is, since the first columnar section 21 and the second columnar section 22 have a nested structure, the first columnar section 21 and the second columnar section 22 can move relative to each other in the axial direction. ..

As described above, in the pseudo structure 20, the first columnar portion 21 and the second columnar portion 22 are configured to be movable relative to each other in the axial direction, so that the eaves support member 3 is displaced by an external force such as wind force, for example. Even if an axial force acts on the pseudo structure 20 via the joint plates 23 and 24 due to the displacement of the column member 2 due to an earthquake or the like, the pseudo structure 20 will almost always exert these axial forces. It will expand or contract according to the displacement of the eaves support member 3 and the pillar member 2 without burden.

Therefore, even when the pseudo structure 20 is attached to the column member 2 and the eaves support member 3 by the same joining method as the eaves suspension member 10, the joint portion is damaged or the pseudo structure 20 itself. Can be prevented from being damaged.

Further, since the pseudo structure 20 has a simple structure in which the first columnar portion 21 and the second columnar portion 22 formed of the cylindrical steel pipe are nested, the outer diameter and the axial length of the steel pipe used are By appropriately changing the length, the size of the pseudo structure 20 can be easily changed. Further, since the attachment of the pseudo structure 20 to the building 1 is performed via the joining plates 23 and 24, the attachment of the pseudo structure 20 can be freely performed by appropriately changing the shapes of the joining plates 23 and 24. Can be set.

Since the pseudo structure 20 formed imitating the eaves suspending member 10 is generally placed outdoors, if there is a gap G1 between the first columnar portion 21 and the second columnar portion 22. , There is a risk that the first columnar portion 21 and the second columnar portion 22 may be less likely to move relative to each other due to foreign matter entering the gap G1, or moisture may enter inside through the gap G1 to cause the first columnar portion 21 and the second columnar portion 21 to enter. 22 may be corroded. In addition, if there is a gap G1 between the first columnar portion 21 and the second columnar portion 22, the first columnar portion 21 and the second columnar portion 22 may collide with each other and the members may be damaged. is there.

Therefore, in the present embodiment, the gap G1 between the first columnar portion 21 and the second columnar portion 22 is filled with the seal member 26 as a filler. The seal member 26 is, for example, a silicon-based liquid sealing agent, and has elasticity even after being filled in the gap G1 and solidified.

The seal member 26 is provided on the outer peripheral surface 22c of the other end 22b of the second columnar portion 22 inserted into the insertion hole 21d, and the seal member 26 is introduced into the pseudo structure 20 when the seal member 26 is filled. The backup material 28 which prevents it from flowing in is provided.

The backup material 28 is a resin foam material such as foam polystyrene formed in a thin plate shape, and is attached so as to be wound around the tip end side portion of the other end portion 22b. The backup material 28 may be attached by arranging a plurality of resin foam materials formed in a strip shape along the circumferential direction without a gap.

By providing the backup material 28 on the tip side of the other end 22b, as shown in FIG. 3, the backup material 28, the first columnar portion 21, and the second columnar portion 22 fill the seal member 26. The area is defined.

By filling the seal member 26 in the filling region defined in this way, it is possible to suppress the intrusion of water into the inside of the pseudo structure 20, and the first columnar portion 21 and the second columnar portion 21. It is prevented that the portions 22 collide with each other. That is, the seal member 26 functions not only as a sealing member but also as a cushioning material.

In addition, since the seal member 26 has elasticity even after being solidified, for example, when the first columnar portion 21 and the second columnar portion 22 are thermally expanded due to an increase in air temperature, and the size of the gap G1 is slightly reduced. Even if the first columnar portion 21 and the second columnar portion 22 relatively move relative to each other in accordance with the displacement of the canopy supporting member 3 and the column member 2, the sealing performance can be maintained. The seal member 26 is not limited to a liquid sealing agent, and may be a resin seal ring such as an O-ring.

Further, in the range L1 (see FIG. 3) in which the seal member 26 is provided in the axial direction of the second columnar portion 22, the eaves support member 3 is displaced by an external force such as wind force, or the column member 2 is displaced by an earthquake or the like. When this is done, the pseudo structure 20 is set to a length that is predicted to be expanded most. Therefore, it is possible to prevent the second columnar section 22 from coming off from the first columnar section 21 when the pseudo structure 20 is expanded, and it is possible to maintain the sealing performance of the seal member 26.

According to the above-mentioned 1st Embodiment, there exists an effect shown below.

In the pseudo structure 20 having the above-described configuration, between the inner peripheral surface of the insertion hole 21d of the first columnar portion 21 and the outer peripheral surface 22c of the other end portion 22b of the second columnar portion 22 inserted into the insertion hole 21d. Is provided with a gap G1 having a predetermined size. By providing the gap G1 between the first columnar portion 21 and the second columnar portion 22 as described above, even if an axial force is applied to the pseudo structure 20, the pseudo structure 20 almost eliminates these axial forces. It expands and contracts by following the displacement without burdening it. Therefore, even if the pseudo structure 20 is attached to the building 1 in the same manner as the eaves suspension member 10, the joint portion thereof or the pseudo structure 20 itself may be damaged. Can be suppressed.

<Second Embodiment>
Next, with reference to FIG. 4, a pseudo structure 120 according to the second embodiment of the present invention will be described. Hereinafter, differences from the first embodiment will be mainly described, and description of the same or corresponding configurations as the configurations described in the first embodiment will be omitted.

The pseudo structure 120 according to the second embodiment is a column member (structure) provided for ensuring the structural strength of the building 101, for example, one end is joined to a beam member provided on the ceiling side and the other end is It is formed by imitating a column member standing upright in the vertical direction by being joined to a beam member provided on the floor side.

As shown in FIG. 4, in the pseudo structure 120, one end 121a is joined to the ceiling structural material 102 (first building material) provided on the ceiling side, and the first columnar part 121 and one end 122a are located on the floor side. The second columnar portion 122 joined to the floor structure material 103 (second building material) provided in the. The ceiling structural material 102 is a member that constitutes the ceiling, such as a beam member provided on the ceiling side, a ceiling slab, or a ceiling base material, and the floor structural material 103 is, for example, a beam provided on the floor surface side. It is a member that constitutes a floor surface such as a member, a floor slab, and a floor base material.

The first columnar portion 121 is formed of a cylindrical steel pipe, the one end 121a is provided with a joining member 123 that is joined to the ceiling structural material 102, and the other end 121b is provided with the first embodiment. Similarly to the first columnar portion 21 according to the above, an insertion hole that opens to the end face is provided.

The second columnar section 122 is formed of a cylindrical steel pipe having an outer diameter smaller than the inner diameter of the insertion hole of the first columnar section 121, and the one end 122a is a joining member 124 joined to the floor structural material 103. Is provided, and the other end portion 122b is an insertion portion that is inserted into the insertion hole of the first columnar portion 121.

In the pseudo structure 120, one end 121a of the first columnar portion 121 having the above-described shape is joined to the ceiling structural member 102 via the joining member 123, and the other end 121b faces downward in the vertical direction. 121 is provided, one end portion 122a of the second columnar portion 122 having the above-described shape is joined to the floor structural member 103 via the joining member 124, and the other end portion 122b is inserted into the insertion hole of the first columnar portion 121. By providing the second columnar portion 122 such that the other end portion 122b faces upward in the vertical direction, the column member (structure) standing upright in the vertical direction is imitated.

Further, in a state where the other end 122 b of the second columnar section 122 is inserted into the insertion hole of the first columnar section 121, the inner peripheral surface of the insertion hole of the first columnar section 121 and the other end of the second columnar section 122. A gap having a predetermined size is provided between the outer peripheral surface of the portion 122b (insertion portion) and the pseudo structure 20 according to the first embodiment. That is, since the first columnar section 121 and the second columnar section 122 have a nested structure, the first columnar section 121 and the second columnar section 122 are movable relative to each other in the axial direction.

As described above, the pseudo structure 120 is configured such that the first columnar section 121 and the second columnar section 122 are movable relative to each other in the axial direction, as in the pseudo structure 20 according to the first embodiment. Therefore, even if the relative positions of the ceiling structure material 102 and the floor structure material 103 change due to an earthquake or the like, and the axial force acts on the pseudo structure 120 via the joining members 123 and 124, the pseudo structure 120 is Therefore, the ceiling structure material 102 and the floor structure material 103 are expanded or contracted in accordance with the displacement of the ceiling structure material 102 and the floor structure material 103 with almost no load.

Therefore, it is possible to prevent damage to the joint between the pseudo structure 120 and the ceiling structure material 102, damage to the joint between the pseudo structure 120 and the floor structure material 103, or damage to the pseudo structure 120 itself. be able to.

Further, since the pseudo structure 120 has a simple structure in which the first columnar portion 121 and the second columnar portion 122 formed by the cylindrical steel pipe are nested, the outer diameter and the axial length of the steel pipe used are By appropriately changing the size, the size of the pseudo structure 120 can be easily changed. Further, since the attachment of the pseudo structure 20 to the building 101 is performed via the joining members 123 and 124, the attachment of the pseudo structure 120 can be freely performed by appropriately changing the shapes of the joining members 123 and 124. Can be set.

Further, in the gap between the first columnar section 121 and the second columnar section 122, a sealing material (not shown) and a backup material (not shown), similar to the pseudo structure 20 according to the first embodiment. And are provided.

For this reason, it is possible to suppress the intrusion of water into the pseudo structure 120 and prevent the first columnar section 121 and the second columnar section 122 from colliding with each other.

According to the second embodiment described above, the following effects can be obtained.

In the pseudo structure 120 having the above structure, the above-mentioned structure is provided between the inner peripheral surface of the insertion hole of the first columnar section 121 and the outer peripheral surface of the other end section 122b of the second columnar section 122 inserted into the insertion hole. Similar to the pseudo structure 20 according to the first embodiment, a gap having a predetermined size is provided. By providing the gap between the first columnar section 121 and the second columnar section 122 in this way, even if an axial force acts on the pseudo structure 120, the pseudo structure 120 bears most of these axial forces. It expands and contracts by following the displacement without doing. Therefore, even if the pseudo structure 120 is attached to the building 1 like a column member that is erected in the vertical direction, the joint portion thereof is damaged or the pseudo structure 120 itself is damaged. Can be suppressed.

Note that the following modified examples are also within the scope of the present invention, and the configurations shown in the modified examples may be combined with the configurations described in the above-described embodiments, or the configurations described in the following different modified examples may be combined. It is also possible.

In each of the above-described embodiments, the first columnar portions 21 and 121 and the second columnar portions 22 and 122 are formed by a cylindrical steel pipe. Instead of this, the first columnar portions 21, 121 and the second columnar portions 22, 122 may be formed by a square-shaped square steel pipe or a polygonal steel pipe. Further, instead of the steel pipe, for example, a long member such as an angle member is welded and joined in a state of being butted along the longitudinal direction to form a tubular member, and the two tubular members thus formed are nested. With the structure, the first columnar portions 21 and 121 and the second columnar portions 22 and 122 may be formed.

Although the embodiment of the present invention has been described above, the above embodiment merely shows a part of the application example of the present invention, and the technical scope of the present invention is limited to the specific configuration of the above embodiment. Absent.

20, 120... Pseudo structure 1, 101... Building 2... Pillar member (first building material)
3... Eaves support member (second building material)
4... Eaves member 10... Eaves suspension member (structure)
21, 121... First columnar part 21a, 121a... One end 21b, 121b... Other end 21c... End face 21d... Insertion hole 22, 122... Second columnar part 22a, 122a...one end 22b, 122b...other end (insertion part)
22c... Outer peripheral surface 26... Sealing material (filling material)
102... Ceiling structure material (first building material)
103... Floor structure material (second building material)

Claims (4)

A structure that is formed to imitate the structure provided to secure the structural strength of the building, in terms of structural strength in the building, a pseudo structure provided in a place where it is not necessary to install the structure,
A first columnar portion whose one end is joined to the first building material of the building;
A second columnar portion whose one end is joined to a second building material different from the first building material,
The first columnar portion has an insertion hole opened on the end face of the other end,
The second columnar portion has an insertion portion formed at the other end and inserted into the insertion hole,
A gap of a predetermined size is provided between the inner peripheral surface of the insertion hole and the outer peripheral surface of the insertion portion, and the first columnar portion and the second columnar portion are attached to the building , respectively. In a fixed state, they can move relative to each other in the axial direction,
Pseudo structure. The gap is filled with a filler,
The pseudo structure according to claim 1. The structure is an eave that suspends and supports the eaves member by being joined to a pillar member that is erected in the vertical direction and an eaves support member that supports the eaves member and one end of which is joined to the pillar member. It is a hanging member,
The first columnar portion is joined to the column member so that the one end portion of the first columnar portion is joined to the column member and the other end portion of the first columnar portion faces the other end side of the eaves support member. Provided diagonally with respect to each other, the one end portion of the second columnar portion is joined to the eaves support member, and the second columnar portion is inserted into the insertion hole so that the second columnar portion is relative to the eaves support member. By obliquely forming, it is formed by imitating the eaves hanging member,
The pseudo structure according to claim 1. The structure is a pillar member that is erected in the vertical direction,
The one end portion of the first columnar portion is joined to a ceiling structure member provided on the ceiling side, the first columnar portion is provided so that the other end portion faces downward in the vertical direction, and the second columnar portion is formed. One end is joined to a floor structure provided on the floor surface side, and the second columnar part is provided so that the other end faces vertically upward so that the insertion part is inserted into the insertion hole. Is formed by imitating the pillar member,
The pseudo structure according to claim 1.

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