JP3164327B2 - Boundary wall of unit type building and construction method of the boundary wall - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a boundary wall provided continuously to the back of a hut in a building such as an apartment house constructed by a unit construction method, and a method of forming the boundary wall.

[0002]

2. Description of the Related Art The wall of a building such as an apartment house constructed by the unit construction method is constructed by attaching a fire-resistant wall material to two adjacently disposed building units and installing the fire-resistant wall material at a construction site. They are formed by facing each other when placed adjacently. The boundary wall is formed vertically continuously from the lowest building unit to the highest building unit.

[0003] When the roof of this unit-type building is made by a panel method, a back wall panel of a hut is erected above a boundary between two adjacent top-floor building units. The roof panel is supported by the back wall panel, and the back wall panel of the hut is vertically connected to the living room wall formed of the fire-resistant wall material of the top floor building unit.

[0004]

As described above, in the case where the living room boundary wall of each building unit is formed by forming the fire-resistant wall materials of two adjacent building units facing each other, this living room boundary wall is formed. Has a large thickness dimension. On the other hand, since the thickness of the hut backside wall panel is small, when the hut backside wall panel is erected above the boundary between the two top floor building units, the room room wall and the hut backside wall panel are placed. And a step arises between them, so that continuity of the boundary wall cannot be ensured at this portion. The use of special connectors, etc. to solve such problems would increase the number of members, complicate the structure, and make the construction work difficult. However, a structure that can effectively connect the living room boundary wall and the hut back boundary wall panel is desired.

[0005] An object of the present invention is to eliminate the need to use a special connector or the like to connect a living room boundary wall and a hut rear boundary wall panel even if there is a difference in thickness between the living room boundary wall and the hut rear boundary wall panel. It is an object of the present invention to provide a unit building wall which can be connected effectively and ensure such continuity.

It is another object of the present invention to provide a method for constructing a unit building wall which can be realized while facilitating work on a construction site. is there.

[0007]

The boundary wall of the unit-type building according to the first invention of the present invention is a fire-resistant wall material attached to two adjacent building units, and is provided at the boundary between these building units. A living room boundary wall is formed, and a roof back boundary wall panel that supports the roof panel and has a thickness smaller than that of the living room boundary wall is erected on the upper part of this boundary portion, and the living room boundary wall and the hut rear boundary wall panel are formed. A soft refractory material and a fire-resistant connecting member are disposed therebetween, and the fire-resistant connecting member is connected to the lower surface of the back wall panel of the shed and has a width dimension larger than the thickness dimension of the living room boundary wall. The refractory material is covered with the upper portion of the boundary wall, and the soft refractory material is pressed against the upper portion of the room boundary wall by the refractory connection member and is compressed.

[0008] A method for constructing a boundary wall of a unit building according to a second invention of the present invention is to provide a fireproof wall material for forming a living room boundary wall in two factories arranged adjacently at a construction site in a factory. Installation work, work to create a hut backside wall panel that is smaller in thickness than the living room boundary wall to support the roof panel, and larger than the thickness of the living room boundary wall on the lower surface of the hut backside wall panel The work of attaching a fire-resistant connecting member having a width dimension and the work of attaching a soft fire-resistant material to the lower surface of the fire-resistant connecting member are performed. After the walls have been formed, a back wall panel of the hut is erected above the boundary of these building units, and a fire-resistant connecting member is covered on the upper part of the living room boundary wall. The room wall It is characterized in that is compressed against the section.

[0009] The boundary wall of the unit type building according to the third invention of the present invention is the boundary wall of the unit type building of the first invention, wherein at least two of the back wall panels along the border are provided. Adjacent to these shed wall panels,
One hut backside wall panel is provided with a leg fixed on the building unit, and the other hut backside wall panel adjacent to the one hut backside wall panel is provided with the one hut backside wall panel. It is characterized by being joined and supported by a wall panel.

[0010] The boundary wall of the unit type building according to the fourth invention of the present invention is the boundary wall of the unit type building of the first invention or the third invention. It is characterized by being provided with an opening that is used and closed at the end of the hut work.

[0011]

According to the first aspect of the present invention, the width between the living room boundary wall and the hut back boundary wall panel is connected to the lower surface of the hut back boundary wall panel and is larger than the thickness of the living room boundary wall. Since the fire-resistant connecting member is interposed, the difference in the thickness dimension between the living room boundary wall and the hut back boundary wall panel is eliminated by this fire-resistant connecting member, and the difference between the fire-resistant connecting member and the living room boundary wall is eliminated. Since the soft refractory material which is crushed and compressed is inserted between the spaces, continuity from the living room boundary wall to the hut back boundary wall panel can be achieved.

[0012] In the second invention, in the factory, the operation of attaching a fire-resistant connecting member to the lower surface of the back wall panel of the hut and the operation of attaching a soft refractory material to the lower surface of the fire-resistant connecting member are performed at the construction site. It is only necessary to cover the fire-resistant connecting member on the upper part of the living room boundary wall while compressing the soft refractory material, and to perform the work of erecting the rear wall panel on the upper part of the boundary between the two building units at the construction site. Work can be reduced, and the workability can be improved.

In the third aspect of the present invention, the leg provided on one of the hut backside wall panels is fixed on the building unit so that the one hut backside wall panel is arranged on the building unit, and the one of the hut backside wall panels is placed on the building unit. The other hut backside wall panel adjacent to the hut backside wall panel is erected and joined to the one hut backside wall panel by joining and supporting it. That is,
Since the other hut backside wall panel does not need to be fixed to the building unit, the other hut backside wall panel does not need to be provided with legs or the like for fixing to the building unit. The structure of the panel is simplified, and the construction work is facilitated.

According to the fourth aspect of the present invention, since the back wall of the hut has an opening which is used as a work passage and is closed at the end of the hut back work, the opening passes through this opening during the back hut work. The work can be moved back and forth, improving work efficiency.

[0015]

An embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an exploded perspective view showing a state before the work at the construction site of the boundary wall according to the first embodiment, and FIG. 2 is a sectional view showing the state after the work. A unit-type building, which is an apartment house, is constructed by combining a plurality of building units forming a living room, and the frame of each building unit is four corners.
It is formed of four pillars and four floor beams and ceiling beams connecting the upper and lower ends of these pillars. FIG. 1 shows the pillars 2 and the ceiling beams 3 of the top floor building unit 1. ing. FIG.
As shown in the figure, when the two building units 1 are arranged adjacently at the construction site, the receiving members 4 are attached to the ceiling beams 3A facing each other.
The refractory wall material 5 is attached to these receiving members 4 at a factory. In this embodiment, the refractory wall material 5 is made of a two-ply gypsum board, and has an upper part 5A behind the ceiling and a lower part 5B below it. At the factory, the work of attaching the ceiling material 6 and the work of arranging the sound insulating material 7 between the ceiling beam 3A and the receiving member 4 are also performed.

By arranging two building units 1 to which the refractory wall members 5 are attached so as to face the refractory wall members 5 at a construction site, a living room boundary wall 8 on the top floor is formed.

The hut backside wall panel 9 shown in FIG. 1 is made in a factory, and the hut backside wall panel 9 is obtained by attaching a fire-resistant face material 11 to both sides of a framing material 10.
1 is composed of two gypsum boards as shown in FIG. Also,
As shown in FIG. 1, of the frame members 10, the vertical frame members 1 at both ends are provided.
The lower part of 0A protrudes downward from the fire-resistant surface material 11, and this part serves as a leg 9A of the rear wall panel 9 of the hut. For this reason, a recess 12 is provided in the lower part of the hut boundary wall panel 9 between the two legs 9A.

The refractory connecting member 13 has a length corresponding to the concave portion 12, and the connecting member 13 is formed of a two-ply gypsum board as shown in FIG.
It has hanging parts 13B on both sides of the horizontal part 13A. The fire-resistant connecting member 13 has a width dimension larger than the thickness dimension of the living room boundary wall 8, and the width dimension is substantially the same as the thickness dimension of the living room boundary wall 8 inside the hanging portion 13 </ b> A.

A base material 14 made of a metal plate is attached to the lower surface of the refractory connection member 13, and the base material 14 has an extension 14A extending below the hanging portion 13B.

The soft refractory material 15 shown in FIG. 1 is made of rock wool, the length of which is substantially the same as that of the refractory connecting member 13, and the width of which is inside the hanging portion 13 B of the refractory connecting member 13. Is the same as or smaller than the width dimension.

Next, the construction work will be described. By combining each building unit at the construction site, a living part of a unit type building is formed, and a plurality of top floor building units 1 are formed.
Are combined, the two building units 1 are arranged adjacent to each other so that the refractory wall materials 5 forming the living room boundary wall 8 face each other. The building units 1 are positioned with respect to each other by inserting positioning plates 18 into positioning pins 16 and bolts 17 provided on the tops of the columns 2 of the building units 1.

By arranging the two building units 1 adjacent to each other, a fire-resistant wall member 5 forms a living room boundary wall 8 on the top floor at the boundary between these building units 1. The material 15 is placed. Thereafter, the refractory connection member 13 is put on from above, and as shown in FIG.
Of the base material 14 along the upper outer surface of the living room boundary wall 8, and the hanging portion 13B overlaps the upper part of the living room boundary wall 8 in the horizontal direction.

Then, the cottage backside wall panel 9 is gradually lowered while the fire-resistant connecting member 13 is inserted into the recess 12, and the positioning pins 16 and the bolts 1 projecting from the positioning plate 18.
7 is inserted into a hole of the base plate 19 provided on the leg 9A of the back wall panel 9 of the hut, and a nut is screwed into a bolt 17 protruding from the base plate 19 and tightened. By tightening the nut to the bolt 17 in this manner, the horizontal portion 13A of the fire-resistant connecting member 13 is connected to the concave portion 12 which is the lower surface of the back wall panel 9 of the hut, while being closely connected thereto.
The soft refractory material 15 is connected to the living room boundary wall 8 by the refractory material connecting member 13.
It is compressed by being pressed on the upper part of.

Next, as shown in FIG.
The extension portion 14A of the base material 14 is fixed to the upper outer surface of the living room boundary wall 8 with a nail 20, and the refractory connection member 13 is fixed to the upper portion of the living room boundary wall 8 by nailing.

Thereafter, the roof panel is placed on the upper surface of the back wall of the hut 9 provided with the roof slope and supported, thereby forming the roof of the unit type building.

As described above, according to the present embodiment, the fire wall material 5 of the two building units 1 in which the living room boundary walls 8 are arranged adjacent to each other.
Therefore, even if the thickness of the back wall of the hut is small due to the panel construction method using the back wall panel 9 of the hut, these walls 8 and the back wall of the hut are formed. Since the fire-resistant connecting member 13 having a width larger than the thickness of the living room boundary wall 8 is arranged between the panel 9 and the upper part of the living room boundary wall 8, the living room boundary wall 8 and the back wall of the hut are covered. The difference in the thickness of the panel 9 is determined by the
Can be absorbed.

On the lower side of the refractory connecting member 13, a soft refractory material 15 crushed and compressed between the living room boundary wall 8.
In addition to the fact that the fire-resistant connecting member 13 is closely connected to the lower surface of the back wall panel 9 of the hut,
The continuity from the living room boundary wall 8 to the hut back boundary wall panel 9 can be secured.

Further, according to the present embodiment, the boundary wall extending from the living room on the top floor to the back of the cabin can be formed only by adding the simple members of the refractory connection member 13 and the soft refractory material 15. No tools are required.

FIG. 3 shows a second embodiment of the present invention. In the following description, the same members as those already described are denoted by the same reference numerals, and the description thereof will be simplified or omitted. In this example,
Attachment of the fire-resistant connection member 13 to the lower surface of the back wall panel 9 of the hut, and mounting of the base material 14 on the lower surface of the fire-resistant connection member 13
The work of attaching the soft refractory material 15 via the same is performed at the factory in the same manner as the work of attaching the fire-resistant wall member 5 for forming the living room boundary wall 8 to the building unit 1. The work of attaching the refractory connection member 13 to the lower surface of the hut backside wall panel 9 is as follows.
This is performed by nailing or bonding a refractory connection member 13 to the recess 12. The work of attaching the soft refractory material 15 to the lower surface of the refractory connection member 13 via the base material 14 is performed by bonding the soft refractory material 15 to the base material 14.

At the construction site, two building units 1
Are arranged adjacent to each other to form a living room boundary wall 8 with the refractory wall material 5, and after positioning each building unit 1 with the positioning plate 18, the hut back boundary wall panel 9 is gradually lowered, and the soft refractory material 15 is pressed against the upper part of the living room boundary wall 8 by the refractory connecting member 13 and the fire resistant connecting member 13 is put on the upper part of the living room boundary wall 8 while being compressed. Then, a nut is screwed into a bolt 17 protruding from the base plate 19 and tightened.
The nail 20 is driven into the extending portion 14A of the building unit 1 to thereby fix the rear wall panel 9 on the boundary between the two building units 1 upright.

According to this embodiment, the work of attaching the refractory connection member 13 to the lower surface of the rear wall panel 9 of the hut and the work of attaching the soft refractory material 15 to the lower surface of the refractory connection member 13 are performed in the factory. When the hut backside wall panel 9 is erected at the boundary between the two building units 1 at the construction site, the living room wall 8 and the hut backside wall panel 9 are connected via the fireproof connecting member 13 and the soft fireproof material 15. Can be automatically connected continuously, and the number of operations performed on the construction site can be reduced, so that the workability can be improved accordingly.

In the first and second embodiments described above, the refractory wall material 5 and the like are made of gypsum board. However, the material of these members is not limited to this. For example, the material is made of a calcium silicate plate (silical plate). The material of the soft refractory material 15 is not limited to rock wool, and may be, for example, ceramic fiber or a composite of a plurality of refractory materials.

FIGS. 4 and 5 show a third embodiment of the present invention. In the following description, the same members as those already described are denoted by the same reference numerals, and the description thereof will be simplified or omitted. In this embodiment, two building units 1A on both sides and a central building unit 1B are arranged in parallel as the building unit 1. Further, each of these building units 1A, 1B
Although not shown in the direction perpendicular to the plane of the drawing, a total of three similar building units 1A and 1B are arranged adjacent to each other, thereby forming a living room boundary wall 8 at the boundary between the building units.

As shown in FIG. 4, the back wall of the hut wall panel 9 erected on the building unit 1A is framed by a framing material 10, and the vertical framing materials 10A and 10B of the framing material 10 are formed. The lower portions of the legs 9A, 9B are provided with base plates 19A, 1B at the lower ends of the legs 9A, 9B.
9B are each attached. The base plate 19A is fixed to the pillar 2 of the building unit 1A together with the positioning plate 18 (not shown). On the other hand, base plate 19B
Has a width that spans the pillar 2 of the building unit 1A and the pillar 2 of the building unit 1B, and is fixed along with the positioning plate 18 over both of these pillars 2 so that the backside wall panel 9 of the hut is It is erected and fixed on the unit 1A.

The vertical frame member 10A has a cottage backside wall panel 30 disposed adjacently to the cottage backside wall panel 9.
Bracket 27A as a mounting portion for joining and supporting the
27B are provided. Further, a fire-resistant wall material 28 indicated by a two-dot chain line is previously attached to a part of the hut backside wall panel 9 at a factory, and an opening 29 is formed by a portion where the fire-resistant wall material 28 is not attached. Wall panel 3
It is formed on the 0 side.

The hut backside wall panel 30, which is located at the center and is located adjacent along the boundary between the hut backside wall panel 9 and the building unit, is provided by a plurality of framing members 31 as shown in FIG. A framework is formed, and this frame material 3
A fire-resistant wall material 34 indicated by a two-dot chain line is attached in advance to the center of 1 at a factory, and both sides are left as openings 33. Also, of the frame members 31, the vertical frame members 31 on both sides are used.
A is provided with attachment portions 32A and 32B. The mounting portions 32A and 32B are connected to the bracket 27 described above.
A and 27B are attached and fixed by fasteners such as bolts and nuts, so that the central hut back boundary wall panel 30 is joined and supported by the hut back boundary wall panels 9 on both sides.

That is, the back wall 30 of the hut is not directly fixed on the building unit 1B, but is erected on the building unit 1B via the vertical frame members 10A of the back wall 9 of the hut arranged on both sides. Be placed. The above-mentioned fire-resistant connecting members 13 and the like are interposed between the hut back boundary wall panels 9 and 30 and the building units 1A and 1B after standing, and the hut back boundary wall panels 9 and 30 and the top floor are provided. Is continuous with the room wall 8.

Next, the construction work will be described. First, as described above, the living room boundary wall 8 is located at the boundary of the building unit.
Alternatively, it is formed as in the second embodiment. Then, as shown in FIG. 4, the base plate 19A of the hut backside wall panel 9 is fixed to the column 2 of the building unit 1A, and the base plate 19B is fixed to the column 2 and the column 2 of the building unit 1B. The back wall panel 9 is erected on the building units 1A on both sides. Furthermore,
The hut backside wall panel 30 is gradually lowered between the hut backside wall panels 9 on both sides and the mounting portion 32
A and 32B are fixed to the brackets 27A and 27B with fasteners such as bolts and nuts.

The brackets 2A and 32B are the brackets 2
When attached to and fixed to 7A, 27B, the hut backside wall panel 30 is joined and supported by the hut backside wall panels 9 on both sides, whereby it is placed upright on the building unit 1B. Thereafter, as shown in FIG. 5, the roof panel 34 is placed on the upper surface of the hut backside wall panel 9 provided with the roof slope and supported,
This creates the roof of the unit building. Opening 29,
Of the openings 33, the opening 29 is used as a work passage during the work behind the hut. Next, at the end of the hut back work, a fireproof wall material (not shown) is attached to the opening 29 of the hut back border wall panel 9 and the opening 33 of the hut back border wall panel 30 to form the opening 2.
9 and 33 are each closed.

As described above, according to the third embodiment, there is no need for the legs and the base plate for standing and arranging the hut back boundary wall panel 30, and the structure of the hut back boundary wall panel 30 is simplified. You. In addition, since the opening 29 is formed in the back wall panel 9 of the hut, the opening 29 can be used as a work passage at the time of working behind the hut. It is possible to do.

In the third embodiment, a case has been described in which a total of three hut backside wall panels 9 and 30 are arranged adjacent to the boundary of a building unit. However, the number of hut backside wall panels may be any number. If necessary, it is only necessary that, of the two adjacent hut backside wall panels, the other hut backside wall panel is joined and supported by one of the hut backside wall panels.

[0042]

According to the first aspect of the present invention, even if there is a difference in thickness between the living room boundary wall and the back panel of the cabin, this can be effectively connected without using a special connecting device or the like. The continuity can be secured.

According to the second aspect of the present invention, a continuous boundary wall extending from the living room of the unit-type building to the back of the hut can be realized while facilitating the work on the construction site, and the workability on the construction site can be improved. Can be good.

According to the third aspect of the present invention, the work of attaching the back wall panel arranged behind the hut becomes easy, and the structure of the back wall panel is simplified.

According to the fourth aspect of the present invention, at the time of working behind the hut, the shed can be freely moved back and forth over the back of the hut by utilizing the opening provided in the back wall of the hut. Back work becomes easy.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a boundary wall according to a first embodiment of the present invention before construction work at a construction site.

FIG. 2 is a cross-sectional view of a boundary wall after the construction work.

FIG. 3 is an exploded perspective view of a boundary wall before a construction work at a construction site, showing a construction method according to a second embodiment.

FIG. 4 is a front sectional view showing a construction work at a construction site of a boundary wall according to a third embodiment of the present invention.

FIG. 5 is a front sectional view showing the state after the construction work.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 1A 1B Building unit on the top floor 5 28 Fireproof wall material 8 Living room boundary wall 9 30 Hut backside wall panel 10 Framed material 11 Fireproof surface material 13 Fireproof connection member 15 Soft fireproof material 18 Positioning plate 20 Nail 29 Opening

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shigeru Yokosato 2-5-5 Takaido Higashi, Suginami-ku, Tokyo Misawa Home Co., Ltd. (58) Field surveyed (Int. Cl. ⁷ , DB name) E04B 1 / 94 E04B 1/348 E04B 2/56 E04B 7/02 511

Claims (4)

(57) [Claims] 1. A fire wall material is attached to two building units arranged adjacent to a unit type building, and the fire wall material forms a living room boundary wall at a boundary between the two building units. At the upper part of the boundary part, a hut back boundary wall panel having a thickness smaller than that of the living room boundary wall and supporting a roof panel is erected, and the living room boundary wall and the hut back boundary wall panel are formed. A soft refractory material and a refractory connecting member are disposed therebetween, and the refractory connecting member is connected to a lower surface of the back wall panel and has a width dimension larger than a thickness dimension of the living room wall. A boundary wall of a unit-type building, which is crowned on an upper part of a living room boundary wall, wherein the soft refractory material is pressed against the upper part of the living room boundary wall by the refractory connecting member and compressed. 2. In a factory, a work of attaching a fire-resistant wall material for forming a living room boundary wall to two building units arranged adjacent to each other at a construction site of a unit building, and a thickness dimension larger than the living room boundary wall. Making a hut backside wall panel for supporting a roof panel, and attaching a fireproof connecting member having a width dimension larger than the thickness of the living room wall to the lower surface of the hut backside wall panel And a work of attaching a soft refractory material to a lower surface of the refractory connection member. At the construction site, the two building units are arranged adjacent to each other and the living room boundary wall made of the refractory wall material is attached to these building units. After being formed at the boundary of the above, the hut back boundary wall panel is erected on the upper part of the boundary, and the fire-resistant connection member is covered on the upper part of the living room boundary wall, and the fire-resistant connection member is Sakaikabe method of construction of unitary building, characterized in that to compress against the quality refractory material on top of the room boundary walls. 3. The boundary wall of the unit building according to claim 1, wherein at least two of the rear wall panels of the hut are arranged adjacent to each other along the boundary, and among the rear wall panels of the hut. One of the hut backside wall panels is provided with a leg fixed on the building unit, and the other of the hut backside wall panels arranged adjacent to the one hut backside wall panel is the one of the hut backside wall panels. A boundary wall of a unit-type building, which is joined and supported by a boundary wall panel. 4. The boundary wall of the unit type building according to claim 1 or 3, wherein the rear wall panel of the hut is used as a work passage and is closed at the end of the rear hut work. A boundary wall of a unit-type building characterized by having an opening.