JPH1018450A - External wall structure of unit type building of continuous ridge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve waterproof performance in a connecting section between adjacent unit type buildings. SOLUTION: A plurality of ridges of unit type buildings 12A, 12B corresponding to one ridge sections constituted by combining a plurality of building units 11 are connected through expansion-joints in the external wall structure of the unit type buildings of continuous ridges. Joints 22 among one external wall materials 16 of the unit type buildings 12A, 12B and the other external wall material 15 mounted between the adjacent unit type buildings are filled with sealing materials 23, and throatings 26 are formed at rears on the indoor side from the sealing materials 23 of the joints 22. The throatings 26 have first throating members formed to one external wall materials 16 and second throating members shaped to the other external wall material 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer wall structure of a multi-unit unit building in which a plurality of unit buildings are connected via a joint member.

[0002]

2. Description of the Related Art Conventionally, a living room or the like constituting a building in a factory is manufactured as a building unit, these building units are transported to a site, and a plurality of building units are combined in a horizontal and vertical direction to construct a building. A unit building is being constructed.

On the other hand, as shown in FIG. 1, in order to obtain an apartment house using a building unit 11 in recent years, one unit building 12A, 12B is connected to a plurality of buildings, for example, two buildings via an expansion joint 13. A linked unit-type building 14 has been proposed. And adjacent unit building
Exterior wall material 15 provided between 12A and 12B and unit building 12
A joint between the outer wall material 16 of A and 12B is filled with a sealing material. This sealing material usually comprises a backup material and a caulking material.

[0004]

SUMMARY OF THE INVENTION Unit-type buildings adjacent to each other
In some cases, it is desirable to use the connection between 12A and 12B as an indoor space. However, the expansion joint 13
However, although the sealing material can be made to correspond to the displacement of the unit buildings 12A and 12B, it cannot be made to correspond to the displacement of the unit buildings 12A and 12B because the sealing material is solid after filling the joints. In addition to this sealing material, unit buildings 12A and 12B
If there is a waterproof structure that can cope with the displacement, the waterproof performance at the connection between the adjacent unit-type buildings 12A and 12B will be further enhanced.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an outer wall structure of a multi-unit unit building capable of improving the waterproof performance at a connecting portion between adjacent unit buildings.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to the drawings, as shown in FIGS. 1 to 3, the first invention of the present invention comprises a plurality of building units 11 in one building. The outer wall structure of a multi-unit unit building 14 in which a plurality of unit buildings 12A and 12B are connected via an expansion joint 13 and is adjacent to one outer wall material 16 of the unit buildings 12A and 12B The joint 22 between the unit type building and the other outer wall member 15 is filled with a sealing material 23, and a drain 26 is provided behind the sealing material 23 of the joint 22 on the indoor side.

[0007] The structure of the expansion joint is arbitrary as long as it can connect adjacent unit-type buildings to each other so as to be stretchable. The outer wall material is, for example, a lightweight cellular concrete panel or the like. The sealing material includes, for example, a backup material and a caulking material. The provision of the drainer further enhances the waterproof performance at the connection between adjacent unit-type buildings in addition to the sealing material.

As shown in FIG. 3, the outer wall structure of the multi-unit unit building according to the second invention of the present invention is the same as that of the first invention, wherein the drain 26 is attached to one of the outer wall members 16. And a second draining member 28 attached to the other outer wall member 15, and the tip portions 27C, 28C of the first and second draining members 27, 28 are engaged with each other. It is characterized by the following. The distal ends of the first and second drainers are movably engaged with each other so as to absorb the displacement of the unit-type building. The tip portions may be in contact with each other or may have a slight gap.

As shown in FIG. 3, the outer wall structure of the multi-unit unit building according to the third invention of the present invention is the same as that of the second invention, except that the first draining member 27 and the second draining member 28
Both sides 15A and 16A of the facing outer walls 15 and 16
It is characterized by being attached to. That is, the attachment portions of the first and second drainers to the outer wall material are both fixed to opposing side surfaces of the outer wall material.

As shown in FIG. 4, the outer wall structure of the multi-unit unit building according to the fourth invention of the present invention is the same as that of the second invention, except that the first draining member 31 and the second draining member 32
Both are characterized in that they are attached to the rear portions 15B, 16B of the adjacent outer wall materials 15, 16. That is, the attachment portions of the first and second drainers to the outer wall material are both fixed to the back surface of the outer wall material.

As shown in FIG. 6, the outer wall structure of the multi-unit unit building according to the fifth invention of the present invention is the same as that of the first invention, wherein the drainer 26 comprises a waterproof sheet 35, 35 both ends 35A, 35B are one and the other outer wall material 1
It is characterized by being attached to 5,16 respectively. The material of the water-resistant sheet is arbitrary, and for example, polyvinyl chloride or the like can be used.

As shown in FIG. 6, the outer wall structure of a multi-unit unit building according to the sixth invention of the present invention is the same as that of the fifth invention, wherein the water-resistant sheet 35 is used to control the displacement of the unit buildings 12A and 12B. It is characterized by having a displacement absorbing portion 35C for absorbing. The displacement absorbing portion also enables the water-resistant sheet to follow the movement of the expansion joint.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

[First Embodiment] The outer wall structure of a multi-unit unit building 14 according to a first embodiment of the present invention will be described with reference to FIGS. The multi-unit building 14 is a unit building consisting of a plurality of building units 11 on a common foundation 17.
12A and 12B are built respectively, and these unit buildings
12A and 12B are connected via expansion joint 13
The building is connected.

An indoor space 18 is provided at a connecting portion between the adjacent unit buildings 12A and 12B. Then, as shown in FIG. 2, the outer wall materials 16 of the adjacent unit-type buildings 12A and 12B are formed.
The outer wall material 15 for the room space 18 is attached to the expansion joint frame 19 between them. These outer wall materials 15, 16 are lightweight cellular concrete panels. This expansion joint frame 19
It is displaceably connected to the unit frames 21 of the adjacent unit buildings 12A and 12B.

As shown in FIG. 3, a joint 22 between the outer wall materials 15 and 16 is filled with a backup material 24 and a caulking material 25 which serve as a sealing material 23. Further, at the joint 22, a drain 26 is provided in parallel with the seal member 23 behind the seal member 23 on the indoor side. The drainer 26 has a first drainer 27 attached to the side wall 16A of the outer wall member 16 on the unit building 12A and 12B side, and a second drainer member 27 attached to the side wall 15A of the outer wall member 15 on the indoor space 18 side. The draining member 28 of FIG.

The first draining member 27 has a mounting portion 27A fixed to a side surface portion 16A of the outer wall member 16 with a screw or the like, a side portion 27B bent at a right angle from the mounting portion 27A, and a side portion 27B. From the tip 27 bent in the same direction as the mounting part 27A
C are continuously formed in a U-shape. Also,
The second draining member 28 also has a mounting portion 28A, a side portion 28B and a tip portion 28C having the same shape as the first draining member 27. However, the first and second drainers 27 and 28 are in a rotational relationship with each other so that the tips 27C and 28C can be engaged in an opposed state. Tip 27C, 28C
Even if they are in contact with no gap, they are opposed to each other
A slight gap may be left between 27C and 28C. These draining members 27 and 28 are made of stainless steel or the like.

The outer wall structure is a multi-unit unit building 14.
Can be provided as follows.
At the time of manufacturing the building unit 11 in the factory, the first drainer 27 is attached to the side surface 16A of the outer wall material 16 which is adjacent to the outer wall material 15 of the indoor space 18, and the outer wall provided in the indoor space 18 A second draining member 28 is attached to the side portion 15A of the material 15.
Is attached. These building units 11, exterior wall materials 1
5, etc. are transported to the site, building units 1 on a common foundation 17
Combine 1 to build a series of unit buildings 12A and 12B.

The expansion joint frame 19 between the outer wall materials 16 of the adjacent unit-type buildings 12A, 12B
The outer wall material 15 for the indoor space 18 is attached to the interior. This indoor space
The external wall material 15 for the unit 18 is the external wall material 16 of the unit buildings 12A and 12B.
The tip portions 27C, 28 of the first and second drainers 27, 28
Attached so that Cs engage each other. After that, the backup material is placed on the joint 22 between these outer wall materials 15 and 16.
After inserting 24, fill caulking material 25 and seal material 23
Is provided.

The multi-unit unit building according to the above embodiment
According to the outer wall structure 14, the drains 26 are provided at the joints 22.
The waterproof performance at the connection portion between them can be further enhanced. Therefore, the reliability of the waterproof performance when this portion is used as the indoor space 18 is increased.

The first and second drainers 27, 28 constituting the drainer 26 are provided so that the tips 27C, 28C are engaged with each other, so that the first and second drainers 27, 28 can be displaced by the unit-type buildings 12A, 12B. Can respond. Therefore, the drainer 26 can maintain the waterproof function while absorbing the displacement of the unit-type buildings 12A and 12B. Furthermore, each draining member 27, 28
Since A and 28A are fixed to the side portions 15A and 16A of the outer wall materials 15 and 16, the outer wall material 15 for the indoor space 18 is expanded.
At the same time as attaching to the joint frame 19, the first and second
The engagement structure between the drainers 27 and 28 can be easily obtained.

[Second Embodiment] The outer wall structure of a multi-unit unit building 14 according to a second embodiment of the present invention will be described with reference to FIG. In the outer wall structure of this embodiment, the first and second drainers 31 and 32 of the drainer 26 are connected to the rear portion 15 of the outer wall members 15 and 16.
It is characterized by being attached to B and 16B.

That is, the first draining member 31 includes a mounting portion 31A fixed to the back surface portion 16B of the outer wall member 16, and the mounting portion 31A.
A first side portion 31B bent from the first side portion 31B along the side surface portion 16A of the outer wall material 16, a second side portion 31C bent at a right angle from the first side portion 31B, and a first side portion from the second side portion 31C. The part 31A and the tip part 31D bent in parallel are formed continuously.

The second drainer 32 is provided on the back of the outer wall material 15.
A mounting portion 32A fixed to the mounting portion 15B and a tip portion 32B bent from the mounting portion 32A along the side surface portion 15A of the outer wall member 15 are formed continuously in an L-shape. Also in the outer wall structure of this embodiment, the distal end of the first draining member 31
A drainer 26 is provided at the joint 22 between the outer wall members 15 and 16 such that the tip 31D of the second drainer 32 engages 31D.

Third Embodiment An outer wall structure of a multi-unit unit building 14 according to a third embodiment of the present invention will be described with reference to FIG. The drainer 26 according to this embodiment includes first and second drainers 33, 3 similarly to the drainer 26 of the second embodiment.
Numeral 4 is attached to the rear portions 15B, 16B of the outer wall materials 15, 16, but their shapes are different.

That is, the first draining member 33 includes a mounting portion 33A fixed to the back surface portion 16B of the outer wall member 16, and the mounting portion 33A.
The tip 33B bent from 33A is formed continuously in a U-shape. The second draining member 34 includes a mounting portion 34A fixed to the rear portion 15B of the outer wall material 15, and a mounting portion 34A.
An extending portion 34B extending from 34A to the outer wall member 16 on the unit building 12A side and a tip portion 34C bent in a U-shape from the extending portion 34B are formed continuously.

In the outer wall structure of this embodiment, the first
The joint between the outer wall members 15 and 16 is made such that the distal end portion 33B of the draining member 33 and the distal end portion 34C of the second draining member 34 are engaged with each other.
A drainer 26 is provided behind the seal member 23 of 22.

[Fourth Embodiment] The outer wall structure of a multi-unit unit building 14 according to a fourth embodiment of the present invention will be described with reference to FIG. The drainer 26 according to this embodiment is made of a water-resistant sheet 35, and both ends 35A and 35B in the vertical direction of the water-resistant sheet 35 are attached to side surfaces 15A and 16A of both outer wall materials 15 and 16, respectively. Both ends 35A, 35 of the water-resistant sheet 35
B is attached so that its central portion 35C projects in a curved shape behind the outer wall materials 15, 16. The central portion 35C is a displacement absorbing portion that absorbs the displacement of the unit buildings 12A and 12B. With the water-resistant sheet 35 of the drainer 26, a waterproof function and a displacement absorbing function can be obtained as in the first embodiment.

[0028]

According to the outer wall structure of a multi-unit unit building according to the present invention, the joint between one outer wall member provided between adjacent unit buildings and the other outer wall member of the unit building is provided. Since the drainage is provided behind the sealing material on the indoor side, the waterproof performance at the connection between adjacent unit-type buildings can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a multi-unit unit building according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of an outer wall structure of the multi-unit unit building according to the first embodiment.

FIG. 3 is a cross-sectional view of a main part of the outer wall structure according to the first embodiment.

FIG. 4 is a sectional view of a main part of an outer wall structure according to a second embodiment.

FIG. 5 is a sectional view of a main part of an outer wall structure according to a third embodiment.

FIG. 6 is a sectional view of a main part of an outer wall structure according to a fourth embodiment.

[Explanation of symbols]

 11 Building units 12A, 12B Unit buildings 13 Expansion joints 14 Multi-unit buildings 15 Exterior walls between adjacent unit buildings 16 Exterior walls of unit buildings 18 Indoor space 19 Expansion joint frames 22 Joints 23 Sealing materials 26 Drainer 27,31,33 First drainer 28,32,34 First drainer 34 Waterproof sheet

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Shinzo Koizumi 2-4-5 Takaido Higashi, Suginami-ku, Tokyo Misawa Homes Co., Ltd.

Claims (6)

[Claims] 1. A unit-type building composed of a combination of a plurality of building units is an expansion unit.
An outer wall structure of a multi-unit unit building connected to a plurality of buildings via a joint, wherein a joint between one outer wall material of the unit building and another outer wall material provided between adjacent unit buildings. A sealing material is filled into the joints, and a drain is provided on the indoor side rear side of the joint sealing material. 2. The drainer has a first drainer attached to one outer wall and a second drainer attached to the other outer wall, and the first and second drainers are provided. 2. The outer wall structure of a multi-unit unit building according to claim 1, wherein the tip portions of the unit buildings are engaged with each other. 3. The unit according to claim 2, wherein the first draining member and the second draining member are attached to opposing side surfaces of adjacent outer wall materials. Exterior wall structure of a ceremonial building. 4. The multi-unit unit building according to claim 2, wherein each of the first draining member and the second draining member is attached to a rear portion of an adjacent outer wall material. Exterior wall structure. 5. The drainer is made of a water-resistant sheet,
2. The outer wall structure of a multi-unit unit building according to claim 1, wherein both ends of the water-resistant sheet are attached to one and the other outer wall material, respectively. 6. The outer wall structure of a multi-unit unit building according to claim 5, wherein the water-resistant sheet has a displacement absorbing portion for absorbing a displacement of the unit building.