JP3012122B2 - Joint structure at the corner of building - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure for sealing a joint groove formed at a corner between adjacent outer walls in a building.

[0002]

2. Description of the Related Art As one of the joint structures described above, one disclosed in Japanese Patent Application Laid-Open No. 3-47347 is known. This joint structure has an inner joint material, an outer joint material fitted into the groove of the inner joint material, and a groove fitted with the inner joint material, and the inner joint material has a groove inside an adjacent corner between the adjacent outer wall bodies. Requires three members independent of the backup material to be placed. At the time of construction, the backup material was first fixed inside the corner formed when the adjacent outer wall bodies were erected and fixed, and the inner joint material was fitted into the groove of the backup material. Later, adjacent outer wall bodies are erected and fixed, and thereafter the outer joint material is fitted into the groove of the inner joint material.

[0003] As described above, the joint structure is composed of a large number of independent members, and furthermore, there is a restriction in the order of construction between the independent members constituting the joint material and the outer wall, and the joint structure is restricted. Had the disadvantage of requiring many man-hours and time.

[0004]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention forms an outer wall unit in which an auxiliary material for joint wall formation is integrally attached to an outer wall body, and this outer wall unit is simply assembled at a work site. Therefore, the joints at the corners formed between adjacent outer wall bodies can be sealed, eliminating the restriction on the order of construction, reducing the number of man-hours, and obtaining stable sealability of the joints. Is an issue.

[0005]

According to the first aspect of the present invention, a joint wall forming auxiliary member is arranged so as to be connected to an end face of an outer wall body, and both are integrally connected via a backup material. A seal portion provided at one end of the joint wall forming auxiliary member is in elastic contact with an end surface of the outer wall member, and a joint wall plate portion constituting the joint wall forming auxiliary member and an end surface of the outer wall member are formed. An outer wall unit having a configuration in which the angle is 45 ° or smaller is formed, and each joint wall forming auxiliary member is relatively positioned at a corner formed by standing and fixing the outer wall unit at a set position of a building. The joint groove is formed between the joint wall plates by directing the joint material, and the joint material is pushed into the joint groove from outside of the corner to seal the joint. The invention according to claim 2 forms an auxiliary material unit having a structure in which an auxiliary material for forming a joint wall having a seal portion provided at one end is attached to a backup material, and a pair of the auxiliary material units is used for building. A joint groove is formed by each joint wall plate portion of the joint wall forming auxiliary material by attaching the joint material to the joint to be formed, and the joint material is pushed into the joint groove from the outside of the joint to seal the joint. Are elastically provided on the seal portion of the joint wall forming auxiliary material, and the outer wall body is erected and fixed.

[0006]

According to the first aspect of the present invention, when the adjacent outer wall units are erected and fixed at the set position, a corner is formed between the outer wall bodies constituting the outer wall unit, The joint wall forming auxiliary members connected to the end surfaces of the outer wall bodies face each other, and joint grooves are formed therebetween. After that, when the joint material is pushed into the joint groove from outside the corner and sealed, the dispersion at the time of assembling each outer wall unit is absorbed, and the joint groove formed between the adjacent outer wall bodies is joined. The material is securely sealed. Also,
According to the second aspect of the present invention, a pair of auxiliary material units are previously attached to a portion where a corner is to be formed in a building, and then the standing and fixing of the outer wall and the pressing of the joint material are performed in any order. Arbitrarily.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to embodiments. First, the outer wall unit U will be described with reference to FIGS. The outer wall unit U has a configuration in which an auxiliary material 2 for joint wall formation is integrally attached to an outer wall body 1 via a backup material 3. The joint wall forming auxiliary member 2 is formed by bending a metal plate, and has a joint wall plate portion 2a formed at the center thereof, a seal tongue piece attaching portion 2b formed at one end thereof, and the other end thereof. This is a structure in which a mounting plate portion 2c is provided substantially orthogonal to the seal tongue piece mounting portion 2b. A plurality of seal tongue pieces 4 are integrally attached to the seal tongue piece mounting portion 2b. Then, a backup material 3 is provided on the back side of the outer wall 1.
Are arranged, and both are connected to each other via a connecting member 5. The joint wall forming auxiliary material 2 is connected to the end face 1 a of the outer wall body 1, and the joint wall forming auxiliary material 2 is It is integrally attached to the backup material 3 via the attachment plate 2c. In this way, when the outer wall body 1 and the joint wall forming auxiliary material 2 are integrated via the backup material 3,
The plurality of sealing tongue pieces 4 attached to one end of the joint wall forming auxiliary member 2 are elastically contacted with the end surface 1a of the outer wall body 1 and the relevant portions are sealed. As shown in FIG. 3, when the outer wall 1 and the joint wall forming auxiliary member 2 are integrated with each other via the backup member 3, the joint wall forming the joint wall forming auxiliary member 2 is formed. The angle (θ) formed between the plate portion 2a and the end surface 1a of the outer wall 1 is smaller than 45 °.
The outer wall unit U having the above configuration is assembled in advance in a step of manufacturing the outer wall body 1 and the joint wall forming auxiliary member 2 in advance.

As shown in FIG. 4, inside the portion where the outer wall unit U is erected, a plurality of steel columns 6 having a square cross section are erected, and the steel columns 6 arranged at both ends are provided. , A plurality of horizontal members 7 are fixedly provided at predetermined intervals along the vertical direction. The horizontal members 7 fixed to different steel columns 6 are arranged orthogonally to each other.

Then, the outer wall unit U is disposed outside the steel column 6 and the horizontal member 7 and the outer wall 1 is erected and fixed as follows. First, as shown in FIG. 4, one outer wall unit U is arranged outside one of the cross members 7 orthogonal to each other, and the outer wall unit U is
When the backup member 3 is fixed to the lateral member 7 and the steel column 6 by an appropriate means, the joint wall forming auxiliary member 2 is connected to the end surface 1a of the outer wall body 1. In this state, the outer wall 1 is erected and fixed. Next, as shown in FIG. 4, the other outer wall unit U is arranged outside the other cross member 7 orthogonal to each other, and the outer wall unit U is slid in the direction of arrow X ′ to set the outer wall unit U at the set position. Then, the backup member 3 is fixed to the horizontal member 7 in the same manner as described above. This allows
As shown in FIG. 5, at the corner A formed by the outer wall bodies 1 arranged orthogonally to each other, each outer wall body 1
Each joint wall plate portion 2a of the joint wall forming auxiliary member 2 connected to the end face 1a of the joint member opposes each other, and the joint groove 8 is formed by both. Since the joint groove 8 has an angle (θ) between the joint wall plate portion 2a constituting the joint wall forming auxiliary member 2 and the end surface 1a of the outer wall body 1 smaller than 45 °, The width gradually increases from the entrance to the back.

The joint material B for sealing the joint groove 8 has a normal structure, and the base 1 in which the core metal 9 is embedded.
A plurality of sealing tongue pieces 11 are provided on both sides of the “0”, respectively. Then, in order to seal the joint groove 8 with the joint material B, it is sufficient to simply push the joint material B from outside the joint groove 8 as shown in FIG. Thereby, as shown in FIG. 7, the two pairs of sealing tongue pieces 11 at the tip of the joint material B enter the joint groove 8 and are elastically deformed.
Each joint wall plate portion 2a of the joint wall forming auxiliary member 2 which is an inner wall surface of the joint groove 8 is elastically contacted with the joint tongue piece 11, and a pair of seal tongue pieces 11 at the base end form the outside of the entrance portion of the joint groove 8. Elastically contacting each joint wall forming auxiliary material 2, whereby variations at the time of assembling each outer wall body 1 are effectively absorbed by the distance between the joint wall plate portions 2 a, and the joint grooves 8 are securely formed. Sealed.

Next, the second embodiment of the present invention will be described with reference to FIG. According to the present invention, an auxiliary material unit U 'in which an auxiliary material 2' for joint wall formation is integrally attached to an end of a backup material 3 is formed, and this auxiliary material unit U 'is to be formed in a corner of a building. In advance,
Thereafter, the standing and fixing of the outer wall 1 and the insertion of the joint material B are performed regardless of the order. The present invention has an advantage that the number of man-hours for the construction is increased as compared with the above-described invention of the first aspect, but the standing and fixing of the outer wall 1 and the pushing of the joint material B can be carried out regardless of the order. In the present invention, in order to erect and fix the outer wall body 1 after the auxiliary material unit U 'is mounted, the seal portion 12 attached to one end of the joint wall forming auxiliary material 2' is formed in a tubular shape. Have been.

[0012]

According to the first aspect of the present invention, an outer wall unit having a structure in which an auxiliary material for joint wall formation is arranged outside the end surface of the outer wall body and both are integrally assembled via a backup material is formed in advance. At the work site, a joint groove formed by a pair of joint wall forming auxiliary materials is formed between adjacent outer wall bodies at a corner formed by assembling the outer wall unit, and the joint groove is joined to the joint groove. By pushing the material,
Since the joints at the corners can be reliably sealed, the number of assembling steps is greatly reduced, eliminating the restriction on the order of installation of each member as in the conventional structure, and effectively eliminating variations when assembling the outer wall. And the joint at the corner can be sealed. According to the second aspect of the present invention, the number of assembling steps is reduced as compared with the conventional structure.
There is an effect that the standing and fixing of the outer wall body and the insertion of the joint material can be performed regardless of the order.

[Brief description of the drawings]

FIG. 1 is a perspective view of an outer wall unit U.

FIG. 2 is a plan view during the formation of the outer wall unit U.

FIG. 3 is a plan view of the outer wall unit U.

FIG. 4 is a plan view in the middle of erecting and fixing one outer wall unit U and then erecting and fixing the other outer wall unit U.

FIG. 5 is a plan view showing a state where joint grooves 8 are formed in corner portions A formed by standing and fixing a pair of adjacent outer wall units U;

FIG. 6 is a plan view showing a state before the joint material B is pushed into the joint groove 8;

FIG. 7 is a plan view of the joint groove 8 sealed with a joint material B.

8 shows the outer wall 1 after the joint material B has been inserted into the joint groove 8. FIG.
It is a top view which shows the state which stands upright.

[Explanation of symbols]

 A: Corner B: Joint material U: Outer wall unit U ': Auxiliary material unit 1: Outer wall 1a: End face of outer wall 2, 2': Auxiliary material for joint wall formation 2a: Joint wall plate 3: Backup material 4: Seal tongue piece (seal part) 8: Joint groove 12: Tubular seal part

────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification symbol FI E04F 13/08 101 E04F 13/08 101Q 19/02 19/02 Q (56) References JP-A-59-138643 (JP, A Japanese Utility Model Showa 55-22462 (JP, U) Japanese Utility Model Showa 62-165305 (JP, U) Japanese Patent Publication No. 6-78652 (JP, B2) Japanese Patent Publication No. 8-3208 (JP, B2) Japanese Public Showa 51- 22493 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) E04B 1/68 E04B 2/56 621 E04B 2/56 644 E04B 2/72 E04F 13/08 E04F 13/08 101 E04F 19/02

Claims (2)

(57) [Claims] A joint wall forming auxiliary member is connected to an end face of an outer wall body, and both are integrally connected via a backup material, and are provided at one end of the joint wall forming auxiliary member. A configuration in which the seal portion is in elastic contact with the end surface of the outer wall, and the angle between the joint wall plate portion forming the joint wall forming auxiliary material and the end surface of the outer wall is 45 ° or smaller. The outer wall unit is formed, and the outer wall unit is erected at a set position of the building, and each joint wall forming auxiliary material is opposed to each other at a corner formed by fixing the outer wall unit, so that the joint wall plate portion is provided between the joint wall plate portions. A joint structure at a corner in a building, wherein a joint groove is formed, and a joint material is pushed into the joint groove from outside the corner to seal the joint. 2. An auxiliary material unit having a structure in which an auxiliary material for forming a joint wall having a seal portion provided at one end thereof is attached to a backup material, and a pair of the auxiliary material units is formed in a part to be formed into a corner of a building. The joint groove is formed by each joint wall plate portion of the joint wall forming auxiliary material, and the joint material is pushed into the joint groove from outside the corner to be sealed, and the end face is formed with the joint wall forming auxiliary material. Make it stick to the seal part of the auxiliary material,
A joint structure at the corner of a building characterized by standing and fixing an outer wall.