JPH0740569Y2 - Fireproof structure of unit building - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fireproof structure of a unit building, and in particular, it can be used when a plurality of building units are assembled with a predetermined gap.

[0002]

BACKGROUND ART FIG. 4 shows a typical residential building unit 20.
A framework 21 of is shown. The frame 21 has four corners.
A column 22 of a book is provided, and the upper and lower ends of the column 22 are connected by four upper and lower beams 23 and 24, respectively. The building unit 20 is manufactured by attaching wall materials, floor materials, ceiling materials and the like (not shown) to the frame 21 at a factory, and further combining a plurality of such building units 20 at a construction site. As a result, a unit building 32 is built as shown in FIGS. At this time, as shown in FIG. 5 showing the plane of the unit building 32, each unit 20 is separated by a lateral gap C1 between adjacent building units 20.
A gathering portion A where four pillars 22 are gathered is formed. Also,
As shown in FIG. 6 showing a side cross section of the unit building 32, the upper beam 23 and the upper floor 20B of the lower floor 20A of each building unit 20 which are vertically adjacent to each other.
Between the lower beams 24, a collecting portion B is formed in which four upper beams 23 and four lower beams 24 of each unit 20 are gathered with a vertical gap C2 therebetween.

By the way, in apartment houses and the like, a fireproof structure is required when constructing a building with three or more floors or in a fireproof area. In this case, the frame 21 of the building unit 20 is also provided with a fireproof structure, and a conventional fireproof structure shown in FIGS. 9 and 10 is known. That is, when a plurality of building units 20 are combined as described above, gaps C1 and C2 are generated between adjacent building units 20, and since there is such a gap, the entire skeleton 21 at the factory. It is not possible to attach a covering material for a fireproof structure. Therefore, as for the gathering portion A, as shown in FIG. 9, after the fireproof covering material 25 is attached in advance to the indoor corner of the pillar 22 at the factory, and each building unit 20 is assembled at the construction site. The side surface of each pillar 22 is covered with a plate-like fireproof coating material 26 and attached by nailing or the like. And each fireproof coating 2
Fireproof joint 27 is filled in the slight gap between 5 and 26.

As for the gathering section B, as shown in FIG. 10, the fireproof coating material 28 is previously provided in the factory on the indoor side of the upper beam 23 of the lower floor 20A of the building unit 20 and the lower beam 24 of the upper floor 20B. 29
After the units 20A and 20B are combined on site, a horizontal fireproof coating material 30 that covers the lower surface of the upper beam 23 and the upper surface of the lower beam 24 is attached by nailing or the like. And, the refractory joints 27 are filled in the small gaps between the respective fireproof covering materials 28, 30 and 29, 29.

[0005]

[Problems to be Solved by the Invention] However, in the conventional fireproof structure of each building unit 20 in a unit building, a part of the fireproof covering material is installed at the factory, and the rest is assembled at the construction site. Installed after being fitted. As described above, the installation of the fire-resistant coating material has to be done twice, and furthermore, the installation of the fire-resistant coating material on the site is performed by nailing or the like, which is troublesome and time-consuming. Therefore, when combining the building units 20 in a unit building, it took a lot of time to attach a fireproof coating material to the joints of the building units 20 to form a fireproof structure.

It is an object of the present invention to provide a fire resistant structure for a unit building in which a fire resistant material can be easily and quickly attached to a joint portion of each building unit in a unit building to form a fire resistant structure. ..

[0007]

SUMMARY OF THE INVENTION Therefore, according to the present invention, in a fireproof structure of a unit building in which a plurality of building units constituted by columns and beams as main structural members are combined with a predetermined gap, A refractory material formed to have a size that covers two main structural members adjacent to each other in a building unit adjacent to each other, and a refractory material projecting from the refractory material and passing through the gap when the refractory material is attached to the main structural material. And a locking member that is locked between two main structural materials, and is a fireproof structure of a unit building.

[0008]

In the present invention as described above, after a plurality of building units are combined, the two main structural members adjacent to each other in the adjacent building units are covered with the fireproof material. At this time, the refractory material is locked between the two main structural materials by a locking member that passes through the gaps between the plurality of building units. The refractory material is sized so as to cover the two main structural materials that are adjacent to each other in the adjacent building units, and can be easily attached by the locking member. Therefore, it is possible to install the refractory material in the unit building in a short time. It becomes possible to achieve the above-mentioned object.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 and 2 show details of the gathering portion A and the gathering portion B of the building unit in which the fire resistant structure of the unit building of the present embodiment is used. In these figures, the building unit 20 is the general building unit described above.
It is the same as 20. Therefore, the same reference numerals are given to the same portions and the description thereof will be omitted.

As shown in FIGS. 1 and 2, the fire resistant structure 1 of a unit building is used in a joint portion where a building unit 20 such as a house is combined, and a pillar 22, which is a main structural material of the joint portion,
A refractory covering material 2 which is a refractory material covering the beams 23 and 24, and a pillar of the joint portion of the refractory covering material 2 and a locking member 3 for attaching to the beam are provided, and the pillars 22, 23 and 24 are covered with these. It is considered as a structure. The refractory coating material 2 is used for the gathering section A, and the pillar 22
It is composed of a column fire-resistant coating material 2A that covers the circumference of the beam and a beam fire-resistant coating material 2B that is used in the collecting portion B and that surrounds the beams 23 and 24. The fireproof coating material 2A for pillars is formed in a size that covers the side surfaces of two adjacent pillars 22, 22 of each building unit 20 as shown in FIG. 1, and is formed continuously above and below the pillars 22. ing. As a result of such a fireproof coating 2A covering the four corners 22 of one corner formed by the building units 20 gathering together, the fireproof coating 2A is formed into a substantially vertical rectangular tube shape.

Further, the beam fire-resistant coating material 2B is used when a plurality of building units 20 are vertically combined as shown in FIG.
The upper surface of the lower girder 24 of the upper floor 20B and the upper girder 23 of the lower floor 20A that are adjacent to each other
2C of fireproof covering that covers the beams 23 and 24 on the underside of the
And a vertical refractory cladding over these upper and lower beams 23,24.
2D and is formed into a substantially horizontal rectangular tube shape. In addition,
Examples of the fireproof coating material 2 include asbestos rock wool,
Asbestos calcium silicate or ceramic materials are used.

The fireproof coating material 2 is provided with a locking member 3 for attaching it to each building unit 20.
As shown in detail in FIG. 3, the locking member 3 is provided substantially at the center of the fireproof coating material 2 so as to be orthogonal to the surface of the coating material 2 and project along the longitudinal direction of the surface. The insertion portion 3A to be inserted into C1 and C2 is formed at the tip of the insertion portion 3A and is formed to be slightly wider than the gaps C1 and C2, and the base end portion of the insertion portion 3A and the adjacent column 22 and beam 23, 24 and a barbed locking portion 3B.

The locking member 3 is made of an alloy steel such as stainless steel which is elastically deformed and has excellent fire resistance.
The arrow-shaped locking portion 3B that is inserted and reduced in the gaps C1 and C2 returns to its original state by elastic force when passing through the gaps C1 and C2 and the base end jumps out from the gaps C1 and C2. Pillar 22 and beam
It is designed to be locked on 23 and 24. Such a locking member 3 is integrally provided at a plurality of positions of the fireproof coating material 2 by, for example, nailing or bonding. On this occasion,
Locking members 3 are provided on the opposing and orthogonal fire-resistant coating materials 2 in a staggered manner so that they do not interfere with each other, for example.

Next, a procedure for making such a unit building into a fireproof structure will be described. Building unit as shown in Figure 4
20 is produced in a factory, and the plurality of building units 20 are brought into a construction site and combined there to construct a unit building 32 as shown in FIGS. When the combination of the predetermined building units 20 is completed, the fireproof coating material 2 is attached to the columns 22 and the beams 23, 24 of each building unit 20 in the following order, for example, to make the unit building 32 a fireproof structure. That is, first, the fireproof coating material 2A for pillars is sequentially mounted between the two adjacent pillars 22 of the upper floor 20B and the lower floor 20A of the assembly unit A, that is, the building unit 20. At this time, the engaging portion 3B provided in the fireproof coating material 2A is inserted and pushed into the gap C1 between the two columns 22. Then, the deformed and passed locking portion 3B jumps out of the clearance C1 and at the same time, returns to the original arrowhead shape due to the elastic force, and the base end of the locking portion 3B engages between the two columns 22. Then, the locking portion 3B is locked to the two columns 22. In this way, the four fire-resistant covering materials 2A are sequentially attached, and the lower floor building unit 20A and the upper floor building unit 20A are installed.
Pillar 22 of B has a fireproof structure.

The fireproof structure of the gathering portion B is also carried out in substantially the same manner as the procedure for attaching the fireproof covering material 2A for columns described above. That is, the locking portion 3B provided in the fireproof coating 2B is pushed into the gap C2 between the beams 23 and 24 which are vertically adjacent to each other, so that the locking portion 3B is adjacent to the beam.
Attach the fireproof coating 2B by locking it between 23 and 24.

According to this embodiment as described above, the following effects can be obtained. That is, each of the fireproof coating materials 2A and 2B is provided between the two adjacent columns 22 and the vertically adjacent beams 23 and 24, and is formed into a single sheet that covers them, and therefore is divided. It is easier to manufacture and manage as compared with a conventional one. In addition, since the fire-resistant coating material 2 is formed in a size of one sheet between the pillar 22 and the beams 23, 24 and is installed at the construction site, part of it is used in the factory and the rest is installed on-site. There is an effect that it requires less effort. Further, since the fireproof covering material 2 is formed in one size, joints are unnecessary, and there is also an effect that labor is reduced because the work is unnecessary.

The locking member 3 of this embodiment is made of elastic alloy steel such as stainless steel, and the locking portion 3B is formed in the shape of an arrowhead. Therefore, if the locking portion 3B is pushed into the gaps C1 and C2 between the two adjacent columns 22 and the beams 23 and 24, the deformed locking portion 3B will pop out from the gaps C1 and C2 at the same time. The original shape is restored by the elastic force, so that the two pillars 22 and the beams 23, 24 are locked. As described above, the fireproof coating material 2 can be easily attached, and therefore, there is an effect that the unit building can have a fireproof structure in a short time.

The present invention is not limited to the above-mentioned embodiment, but includes the following modifications. That is, in the above-described embodiment, the locking portion 3B of the locking member 3 is formed in the shape of an arrowhead and the locking portion 3B is pushed into the gaps C1 and C2 for use. The locking member 17 shown in FIG. The locking member 17 is attached to the bracket 13 mounted in the through hole 11 in the fireproof coating material 2, and is attached to the bracket 13 via the fireproof coating material 12, inserted into the gaps C1 and C2, and the nut 16 The mounting shaft 14 corresponding to the insertion portion 3A of the above-described embodiment that can be tightened with, and the locking portion 15 having an arcuate cross section that is fixed to the tip of the mounting shaft 14 and can engage with the two columns 22 and the beams 23, 24. It consists of and. Here, the fireproof coating material 2 is formed to have a size extending over two columns 22 and beams 23, 24.

In this embodiment as described above, the nut 16 is loosened and the locking portion 15 is made substantially parallel to the longitudinal direction of the two columns 22 and the beams 23 and 24 facing each other in the gaps C1 and C2. Gap C1, C
Insert in 2. Then, the mounting shaft 14 is rotated approximately 90 degrees at a position beyond the clearances C1 and C2, and the locking portion 15 is fixed to the two columns 22 and the beams 2.
After engaging with the side surfaces of 3,24, the nut 16 is tightened and the fireproof coating material 2 is attached.

According to the present embodiment as described above, in addition to the effect of the above-described embodiment, the effect that the locking member 17 is easily manufactured can be added.

Further, in the above-mentioned respective embodiments, the locking members 3 and 17 are made of elastic alloy steel such as stainless steel,
Not limited to this, for example, a polymer material having excellent fire resistance including carbon fiber or the like may be used. By doing so, the weight of the locking members 3 and 17 is reduced, and it is easy to carry.

Further, in each of the above embodiments, the locking members 3, 17
The locking portions 3B, 15 of the above are formed in the shape of an arrowhead and a substantially arcuate cross section, but the shape is not limited to this, and for example, the insertion portions may be adjacent to each other.
The pillars 22 and beams 23, 24 are inscribed in the sides of the book, and the steel balls urged in mutually repulsive directions are embedded on both sides of the insertion part. If a concave part is formed that fits and the insertion part is pushed in, the two will engage and the fireproof coating material 2
May be attached. In short, the locking members 3,17
May pass through the gaps C1 and C2 between the two adjacent columns 22 and the vertically adjacent beams 23 and 24 and be locked to them.

Further, in each of the above-mentioned embodiments, the refractory coating material 2 is used as a pillar.
Although it is assumed that one sheet is continuous between 22 and the beams 23, 24, the present invention is not limited to this, and it may be divided in the longitudinal direction of the fireproof coating material 2. In this case, the locking members 3 and 17 may be provided on each of the divided fireproof coating materials 2. By doing so, it is possible to add the effect that the refractory coating material 2 is easy to carry.

In addition, the specific structure, shape and the like when implementing the present invention may be other structures and the like as long as the object of the present invention can be achieved.

[0025]

As described above, according to the fireproof structure of the unit building of the present invention, it is possible to easily and quickly attach the fireproof material to the joint portion of each building unit in the unit building to form the fireproof structure. The effect is that you can do it.

[Brief description of drawings]

FIG. 1 is a plan view showing an essential part of a fireproof structure of a unit building according to an embodiment of the present invention.

FIG. 2 is a side view showing the main part.

FIG. 3 is a perspective view of a fireproof coating material provided with a locking member used in this embodiment.

FIG. 4 is an overall perspective view showing a general building unit.

FIG. 5 is an overall plan view showing a general unit building.

FIG. 6 is an overall side view of the unit building.

FIG. 7 is a cross-sectional view showing a modified example of the present invention.

FIG. 8 is a partial perspective view of a fireproof coating material provided with a locking member of the modified example.

FIG. 9 is a plan view showing a main part of a conventional fireproof structure for a unit building.

FIG. 10 is a side view showing the main part.

[Explanation of symbols]

 1 Fireproof structure of unit building 2 Fireproof coating material (fireproof material) 3,17 Locking member 3B, 15 Locking part 20 Building unit 32 Unit building

Claims (1)

[Scope of utility model registration request] 1. A fire resistant structure for a unit building, comprising a plurality of building units, each of which is composed of pillars and beams as main structural members, separated by a predetermined gap, and adjacent two building units adjacent to each other separated by the gap. A refractory material formed in a size to cover the two main structural materials, and when the refractory material is projectingly mounted on the refractory material and attached to the main structural material, the refractory material is locked between the two main structural materials through the gap. A fireproof structure for a unit building, comprising: