JP2023158900A - Curtain wall fixation structure and curtain wall fixation method - Google Patents

Abstract

To provide a curtain wall fixation structure and a curtain wall fixation method allowing a fastener to be easily and safely connected on a skeleton.SOLUTION: A curtain wall fixation structure comprises: a skeleton 3 of a building; a fastener 2 abutted and fixed on the skeleton 3; and bonding 4 bonding the fastener 2 and the skeleton 3. The bonding 4 is provided along a direction in which an outer peripheral end 24 of the fastener 2 extending to a corner angle 61 made by the outer peripheral end 24 of the fastener 2 and a lower surface 311 of the skeleton 3.SELECTED DRAWING: Figure 1

Description

The present disclosure relates to a curtain wall fixing structure and a curtain wall fixing method.

For example, as shown in Patent Document 1, when a curtain wall is provided on the outer wall of a building such as a mid-to-high-rise building, a fastener is welded to the building frame to fix the fastener and the curtain wall.

Japanese Patent Application Publication No. 2002-371657

When welding fasteners to the building frame, sparks are generated, so it is necessary to take sufficient safety measures against fire. Welding work is highly specialized and requires qualifications, so only certain workers can perform it.

Therefore, an object of the present disclosure is to provide a curtain wall fixing structure and a curtain wall fixing method that allow fasteners to be easily and safely joined to a frame.

In order to achieve the above object, a curtain wall fixing structure according to the present disclosure includes a building frame, a fastener fixed in contact with the frame, and an adhesive bonding the fastener and the frame. , the adhesive is provided at a corner formed by the outer circumferential end of the fastener and the surface of the frame along the direction in which the outer circumferential edge of the fastener extends.

In order to achieve the above object, the curtain wall fixing structure according to the present disclosure includes a building frame, a fastener fixed in contact with a bracket attached to the frame, and an adhesive bonding the fastener and the bracket. and the adhesive is provided along the direction in which the outer circumferential end of the fastener extends at a corner formed by the outer circumferential edge of the fastener and the surface of the bracket.

In order to achieve the above object, the method for fixing a curtain wall according to the present disclosure includes arranging a fastener in contact with a building frame, and attaching an outer circumferential end of the fastener to a corner formed by an outer circumferential edge of the fastener and a surface of the building frame. Adhesive is provided along the direction in which the

In order to achieve the above object, a method for fixing a curtain wall according to the present disclosure includes arranging a fastener in contact with a bracket attached to a building frame, and attaching a fastener to a corner formed by an outer circumferential end of the fastener and a surface of the bracket. An adhesive is provided along the direction in which the outer peripheral end of the fastener extends.

FIG. 2 is a vertical cross-sectional view showing the curtain wall fixing structure of the first embodiment. 2 is a sectional view taken along line BB in FIG. 1. FIG. 2 is a partially enlarged view of FIG. 1. FIG. FIG. 3 is a diagram of the curtain wall fixing structure viewed from the indoor side. FIG. 7 is a vertical sectional view showing the curtain wall fixing structure of the second embodiment. 2 is a sectional view taken along line DD in FIG. 1. FIG. FIG. 7 is a vertical sectional view showing a curtain wall fixing structure according to a third embodiment. It is a vertical sectional view showing the curtain wall fixing structure of the fourth embodiment.

As shown in FIGS. 1 and 2, a curtain wall fixing structure 1 includes a fastener 2, an adhesive 4, and a bolt 5. The fastener 2 is attached to the frame 3. The curtain wall 11 is attached to the fastener 2. The adhesive 4 adheres the fastener 2 and the frame 3. The bolt 5 joins the fastener 2 and the frame 3. In the following description, the direction perpendicular to the wall surface of the curtain wall will be referred to as the indoor/outdoor direction. The horizontal direction along the wall surface of the curtain wall 11 and the direction perpendicular to the indoor/outdoor direction is referred to as the width direction. The width direction corresponds to the finding direction of the claims. In the drawings, the width direction is indicated by an arrow X, the indoor/outdoor direction is indicated by an arrow Y, and the vertical direction is indicated by an arrow Z. FIG. 1 is a vertical sectional view corresponding to the section taken along line AA in FIG.

The fastener 2 is a metal fitting having an L-shaped cross section. The fastener 2 is a piece-like member. A plurality of fasteners 2 are attached to the curtain wall 11 at intervals in the width direction and the vertical direction. The fastener 2 has a curtain wall fixing plate part 21 and a frame fixing plate part 22. The curtain wall fixing plate section 21 is fixed to the curtain wall 11. A frame fixing plate portion 22 is fixed to the frame 3. The curtain wall fixing plate portion 21 is one of two pieces forming the L-shape of the fastener 2. The frame fixing plate portion 22 is the other of the two pieces forming the L-shape of the fastener 2 .

The curtain wall fixing plate portion 21 has a flat plate shape with a rectangular plate surface. The curtain wall fixing plate part 21 is fixed to the fixing metal fitting 13 in such a manner that the plate surface becomes a vertical plane and faces indoors and outdoors. The fixture 13 is attached to the curtain wall 11.

The frame fixing plate portion 22 has a flat plate shape with a rectangular plate surface. The frame fixing plate part 22 protrudes indoors from the upper edge of the curtain wall fixing plate part 21 with the plate surface being a horizontal plane. The frame fixing plate part 22 is provided with two first holes 23 that are spaced apart in the width direction and penetrate in the vertical direction. Of the outer circumferential ends 24 of the frame fixing plate part 22, the part located on the indoor side and extending in the width direction is referred to as a first outer circumferential end 241, and the part located on one side in the width direction and extending in the indoor-outdoor direction is referred to as a second outer circumference. It is written as an end 242, and a portion located on the other side in the width direction and extending in the indoor/outdoor direction is called a third outer peripheral end 243.

The frame 3 is an H-shaped steel. The frame 3 extends across the entire width of the building. Beneath the lower flange 31 of the frame 3, the frame fixing plate portions 22 of a plurality of fasteners 2 arranged at intervals in the width direction are arranged in overlapping contact with each other. The upper surface 221 of the frame fixing plate portion 22 and the lower surface 311 of the lower flange 31 are in surface contact. A second hole 32 is provided in the lower flange 31 of the frame 3 at a position overlapping with the first hole 23 of the frame fixing plate 22 and penetrates in the vertical direction. The web 33 of the frame 3 is arranged above the first outer peripheral end 241 of the frame fixing plate portion 22 . The frame fixing plate part 22 and the lower flange 31 are fixed by inserting bolts 5 into the first hole part 23 and the second hole part 32 which overlap in the vertical direction, and fastening nuts to the bolts 5.

As shown in FIGS. 3 and 4, the adhesive 4 includes a first adhesive 41 and a second adhesive 42. The second adhesive 42 is shown in FIG.

The first adhesive 41 is applied to the corners 61, 62, 63 formed by the outer circumferential ends 241, 242, 243 of the frame fixing plate portion 22 and the lower surface 311 of the lower flange 31 of the frame 3 along the direction in which each outer circumferential edge extends. It will be established. The first adhesive 41 is attached to both the outer peripheral ends 241, 242, 243 of the frame fixing plate portion 22 and the lower surface 311 of the lower flange 31. The corners 61, 62, 63 are each at right angles. The corner 61 formed by the first outer circumferential end 241 of the frame fixing plate portion 22 and the lower surface 311 of the lower flange 31 is referred to as a first corner 61 . The corner formed by the second outer peripheral end 242 of the frame fixing plate portion 22 and the lower surface 311 of the lower flange 31 is referred to as a second corner 62. The corner formed by the third outer peripheral end 243 of the frame fixing plate portion 22 and the lower surface 311 of the lower flange 31 is referred to as a third corner 63.

The second adhesive 42 is provided at a fourth corner 64 between the outdoor end surface 312 of the lower flange 31 and the upper surface 221 of the frame fixing plate 22 along the direction in which the outdoor end surface 312 of the lower flange 31 extends. It will be done. The fourth corner 64 is a right angle. The outdoor end surface 312 of the lower flange 31 corresponds to the "outer peripheral end of the frame" in the claims. The second adhesive 42 is attached to both the outdoor end surface 312 of the lower flange 31 and the upper surface 221 of the frame fixing plate section 22.

The first adhesive 41 and the second adhesive 42 are, for example, two-component adhesives that harden at room temperature. An angle material 43 is provided on the surfaces of the first adhesive 41 and the second adhesive 42. The angle member 43 is a piece-like member that extends linearly and has an L-shaped cross section. The angle material 43 provided at the first corner 61, the angle material 43 provided at the second corner 62, and the angle material 43 provided at the third corner 63 are separate pieces and are not integrated. . One piece of the L-shaped cross section of the angle material 43 is referred to as a first piece 431, and the other piece is referred to as a second piece 432. The first piece 431 and the second piece 432 have the same plate surface shape and the same plate thickness. The first piece 431 and the second piece 432 form an angle of 90°. The angle member 43 is made of, for example, steel, aluminum alloy, stainless steel, or the like. The surface of the angle member 43 opposite to the side to which the first piece 431 is connected to the second piece 432 and the surface of the second piece 432 opposite to the side to which the first piece 431 is connected is referred to as an outer surface 433. do.

The attitude of the angle material 43 provided on the surface of the first adhesive 41 is such that the plate surface of one of the first piece 431 and the second piece 432 is a vertical plane facing indoors and outdoors, and the other side is the upper edge of one piece. It protrudes indoors. In this embodiment, the first piece 431 is one piece, and the second piece 432 is the other piece. The first piece 431 faces the first outer peripheral end 241 of the frame fixing plate portion 22 in the indoor/outdoor direction with the first adhesive 41 interposed therebetween. The second piece 432 faces the lower surface 311 of the lower flange 31 from below with the first adhesive 41 interposed therebetween. The corner formed by the first piece 431 and the second piece 432 of the angle member 43 presses the first adhesive 41 against the first outer peripheral end 241 and the lower surface 311 of the lower flange 31. The angle material 43 covers the entire surface of the first adhesive 41 provided at the first corner 61 in the entire width direction.

The posture of the angle members 43 provided at the second corner 62 and the third corner 63 is such that the plate surface of one of the first piece 431 and the second piece 432 is a vertical plane facing the width direction, and the other is a vertical plane facing the width direction. Projects widthwise from the upper edge. In this embodiment, the first piece 431 is one piece, and the second piece 432 is the other piece. The first piece 431 faces the second outer peripheral end 242 and the third outer peripheral end 243 of the frame fixing plate section 22 with the first adhesive 41 interposed therebetween. The second piece 432 faces the upper surface 221 of the frame fixing plate section 22 with the first adhesive 41 interposed therebetween. The corner formed by the first piece 431 and the second piece 432 of the angle member 43 presses the first adhesive 41 against the second outer peripheral end 242, the third outer peripheral end 243, and the upper surface 221 of the frame fixing plate part 22. The angle material 43 covers the entire surface of the first adhesive 41 in the entire width direction. The surface of the first adhesive 41 provided at the second corner 62 and the third corner 63 is covered entirely in the indoor and outdoor directions.

The first adhesive 41 is pressed against the outer surface 433 of the angle material 43 when the angle material 43 is provided on the surface. The cross-sectional shape of the first adhesive 41 is approximately L-shaped. The first adhesive 41 is adhered to both the fastener 2 and the frame 3 even when the angle material 43 is provided on the surface.

As shown in FIG. 3, the attitude of the angle member 43 provided at the fourth corner 64 is such that one of the first piece 431 and the second piece 432 has a vertical surface facing indoors and outdoors; A piece projects outward from the lower edge of one piece. In this embodiment, the first piece 431 is one piece, and the second piece 432 is the other piece. The first piece 431 faces the outdoor end surface 312 of the lower flange 31 with the second adhesive 42 in between. The second piece 432 faces the upper surface 221 of the frame fixing plate portion 22 of the fastener 2 with the second adhesive 42 interposed therebetween. The angle material 43 covers the entire surface of the second adhesive 42 in the width direction.

We will explain how to fix the curtain wall. The frame fixing plate part 22 of the fastener 2 attached to the curtain wall 11 is placed under the lower flange 31 of the frame 3 so as to overlap from below. The fastener 2 and the frame 3 are joined with bolts 5.

The outer circumferential ends 241, 242, 243 of the frame fixing plate part 22 extend to the corners 61, 62, 63 formed by the outer circumferential ends 241, 242, 243 of the frame fixing plate part 22 of the fastener 2 and the lower surface 311 of the lower flange 31. A first adhesive 41 is provided along the direction. An angle material 43 is provided on the surface of the first adhesive 41. A second adhesive 42 is provided at the fourth corner 64 formed by the outdoor end surface 312 of the lower flange 31 and the upper surface 221 of the frame fixing plate section 22 along the direction in which the outdoor end surface 312 of the lower flange 31 extends. . An angle material 43 is provided on the surface of the second adhesive 42. The first adhesive 41 and the second adhesive 42 are cured, and the frame fixing plate portion 22 and the lower flange 31 are fixed. A fastener 2 is fixed to a building frame 3, and a curtain wall 11 is fixed to a building frame 3.

In a curtain wall fixing structure 1 and a curtain wall fixing method, a fastener 2 is fixed to a frame 3 with an adhesive 4, and a curtain wall 11 is attached to the fastener 2. The curtain wall fixing structure 1 does not require welding the fasteners 2 to the frame 3 as in the conventional case. Therefore, the curtain wall fixing structure 1 can easily and safely join the fastener 2 to the frame 3. By not providing the adhesive 4 on the upper surface of the fastener 2, the position of the fastener 2 relative to the frame 3 can be easily adjusted.

In the curtain wall fixing structure 1, a fastener 2 is bonded to a frame 3 with an adhesive 4 and bolted. Thereby, the fastener 2 and the frame 3 can be fixed more firmly. By bolt-joining the fastener 2 and the frame 3 before bonding the fastener 2 to the frame 3 with the first adhesive 41, when bonding the fastener 2 to the frame 3 with the adhesive 4, the fastener 2 is attached to the frame 3. It can be easily bonded without shifting the position.

In the curtain wall fixing structure 1, angle members 43 are provided on the surfaces of the first adhesive 41 and the second adhesive 42. The first adhesive 41 is pressed by the outer surface 433 of the angle material 43 and adheres uniformly and widely to the outer peripheral ends 241, 242, 243 of the frame fixing plate part 22 and the lower surface 311 of the lower flange 31 of the frame 3. . The second adhesive 42 is pressed by the outer surface 433 of the angle member 43 and adheres uniformly and widely to the upper surface 221 of the frame fixing plate portion 22 and the end surface 312 of the lower flange 31.

In the curtain wall fixing structure 1, the first adhesive 41 and the second adhesive 42 are two-component adhesives that harden at room temperature. The fastener 2 can be bonded to the frame 3 without using heat, and a device or power source for bonding the first adhesive 41 and the second adhesive 42 is not required.

Other embodiments will be described. The same reference numerals are used for the same or similar members and portions as in the first embodiment, and the explanation thereof will be omitted, and only the different configurations from the first embodiment will be explained.

As shown in FIGS. 5 and 6, in the curtain wall fixing structure 1B according to the second embodiment, the frame 12 is made of wood. FIG. 5 is a vertical sectional view corresponding to the section taken along the line CC in FIG. The frame-side bracket 7 attached to the frame body 12 is a plate material having an L-shaped cross section. The frame-side bracket 7 has a first plate part 71 attached along the lower end surface of the frame body 12 and a second plate part 72 attached along the lower end of the outdoor side surface of the frame body 12. The frame-side bracket 7 is included in the "bracket" in the claims.

The first plate portion 71 has a flat plate shape. The first plate portion 71 is one of two pieces forming the L-shape of the frame-side bracket 7 . The first plate portion 71 is attached to the lower surface of the frame 12 with a fixing device such as a screw, with the plate surface facing a horizontal surface. The second plate portion 72 is the other of the two pieces forming the L-shape of the frame-side bracket 7 . The second plate part 72 protrudes upward from the outdoor edge of the first plate part 71 in such a manner that the plate surface is a vertical plane facing indoors and outdoors. The frame fixing plate part 22 of the fastener 2 is provided under the first plate part 71 in an overlapping manner. The first plate portion 71 projects further indoors than the frame fixing plate portion 22.

The first adhesive 41 is applied to the corners 61, 62, 63 formed by the outer circumferential ends 241, 242, 243 of the frame fixing plate part 22 and the lower surface 711 of the first plate part 71 of the frame-side bracket 7, respectively. , 242, 243 are provided along the extending direction. The second adhesive 42 is applied to a corner 64 between the outdoor side surface 721 of the second plate part 72 of the frame body side bracket 7 and the upper surface 221 of the frame body fixing plate part 22 along the width direction in which the frame body side bracket 7 extends. provided. The outdoor surface 721 of the second plate portion 72 of the frame-side bracket 7 corresponds to the "outer peripheral end of the bracket" in the claims. An angle material 43 is provided on the surfaces of the first adhesive 41 and the second adhesive 42.

In the curtain wall fixing structure 1B according to the second embodiment, when fixing the curtain wall 11 to the wooden frame 12, even if the frame side bracket 7 is attached to the frame 12, the fastener 2 is attached to the frame side bracket 7. The curtain wall 11 can be attached to the fastener 2 by fixing it with an adhesive 4. Therefore, the curtain wall fixing structure 1B according to the second embodiment also has the same effects as the curtain wall fixing structure 1 according to the first embodiment.

As shown in FIG. 7, the curtain wall fixing structure 1C according to the third embodiment has a first cutout portion 25 in which a corner is cut out on the upper side of the first outer peripheral end 241 of the frame fixing plate portion 22C of the fastener 2C. is provided. The first notch portion 25 is cut out from the first outer peripheral end 241 of the frame fixing plate portion 22C toward the outdoor side. The first notch portion 25 is provided with a notch surface 251 that is an inclined surface that gradually extends upward from the first outer circumferential end 241 of the frame fixing plate portion 22C toward the outdoor side. In the curtain wall fixed structure 1C, the angle members 43 are not provided.

In the curtain wall fixing structure 1C according to the third embodiment, the first adhesive 41 is provided at the first corner 61 formed by the first outer peripheral end 241 of the frame fixing plate part 22C and the lower surface 311 of the lower flange 31 of the frame 3. enters the first notch portion 25 and is attached to the notch surface 251 of the inclined surface. Therefore, the surface of the frame fixing plate portion 22C in the first corner portion 61 to which the first adhesive 41 adheres can be increased. The fastener 2C and the frame 3 can be firmly bonded. The first notch 25 provided in the fastener 2C of the third embodiment is provided in the fastener 2 fixed to the frame-side bracket 7 of the second embodiment, and the first adhesive 41 is applied to the first notch 25. The fastener 2 and the frame-side bracket 7 may be bonded together so as to be inserted therein.

As shown in FIG. 8, in the curtain wall fixing structure 1D according to the fourth embodiment, a groove-shaped second notch 222 that opens upward is formed in the upper surface 221 of the frame fixing plate part 22D of the fastener 2D. . The second notch portion 222 extends across the entire width direction of the frame fixing plate portion 22D. A plurality of second notches 222 are provided at intervals in the indoor and outdoor directions. The second notch 222 is filled with a third adhesive 44 similar to the first adhesive 41 and the second adhesive 42 . In the curtain wall fixing structure 1D, the angle members 43 are not provided.

In the curtain wall fixing structure 1D according to the fourth embodiment, the frame is fixed by the third adhesive 44 filled in the groove-shaped second notch 222 opening upward in the upper surface 221 of the frame fixing plate part 22D of the fastener 2D. The plate portion 22D and the lower surface 311 of the lower flange 31 of the frame 3 can be bonded together. The fastener 2D and the frame 3 can be firmly bonded. The fastener 2 fixed to the frame-side bracket 7 of the second embodiment is provided with the second notch 222 provided in the fastener 2D of the fourth embodiment, and the third adhesive 44 is applied to the second notch 222. The fastener 2 and the frame-side bracket 7 may be bonded together by filling.

The present disclosure is not limited to the embodiments described above, and can be modified as appropriate. For example, in the first embodiment, the first adhesive 41 is applied to the corners 61, 62 formed by the outer peripheral ends 241, 242, 243 of the frame fixing plate part 22 of the fastener 2 and the lower surface 311 of the lower flange 31 of the frame 3, respectively. , 63. In the second embodiment, the first adhesive 41 is applied to a corner 61 formed by each of the outer peripheral ends 241, 242, 243 of the frame fixing plate 22 of the fastener 2 and the lower surface 711 of the first plate 71 of the frame side bracket 7. , 62, 63. In both the first embodiment and the second embodiment, the first adhesive 41 is preferably provided at least at the first corner 61.

The fastener 2 and the frame 3 do not need to be bolted together. When the fastener 2 and the frame 3 are joined by bolts, the positions and number of bolts may be set as appropriate. In the second embodiment, the fastener 2 and the frame-side bracket 7 may be bolted together.

Although the fastener 2 overlaps and contacts the lower surface 311 of the body 3, it may overlap and contact a surface other than the lower surface 311, such as the upper surface of the body 3. For example, the fastener 2 may overlap and contact the upper surface of the upper flange of the frame 3. In the second embodiment, the fastener 2 may overlap and contact the frame-side bracket 7 provided on a surface other than the lower surface 311, such as the upper surface of the frame 3.

In the first embodiment and the second embodiment, the angle material 43 may not be provided on the surfaces of the first adhesive 41 and the second adhesive 42. In the third embodiment and the fourth embodiment, angle members 43 may be provided on the surfaces of the first adhesive 41 and the second adhesive 42. The angle member 43 is not a member having an L-shaped cross section, but may be a member having a rectangular cross-sectional shape or a rounded corner such as a quarter circle. The first adhesive 41 and the second adhesive 42 may be double-sided tapes adhered to the angle material 43. The angle material 43 may partially cover the surface of the adhesive 4 extending in either the width direction or the indoor/outdoor direction, without covering the entire surface in the direction in which the adhesive 4 extends. The angle member 43 may be a single member extending throughout the entire direction in which the adhesive 4 extends, or may be a plurality of divided members.

The first adhesive 41 and the second adhesive 42 do not have to be two-component adhesives that harden at room temperature.

The first notch 25 provided in the fastener 2C of the curtain wall fixing structure 1C according to the third embodiment may have a shape other than the above. The notch surface 251 of the first notch portion 25 does not have to be an inclined surface. The shape of the second notch 222 provided in the fastener 2D of the curtain wall fixing structure 1D according to the fourth embodiment may be other than the shape described above. The cross-sectional shape, length, depth, direction and number of grooves in the second notch 222 may be set as appropriate.

The shapes of the fastener 2, the frame 3, and the frame-side bracket 7 may be other than those described above.

1, 1B, 1C curtain wall fixing structure, 2, 2C, 2D fastener, 3, 12 body, 4 adhesive, 5 bolt, 7 body side bracket, 11 curtain wall, 24 outer peripheral end, 25 first notch, 43 angle material, 61, 62, 63, 64 corner, 221 upper surface, 222 second notch, 241 first outer peripheral end, 242 second outer peripheral end, 243 third outer peripheral end, 311 lower surface, 312 end surface

Claims (16)

the building frame and
a fastener fixed in contact with the skeleton;
an adhesive for bonding the fastener and the frame;
In the curtain wall fixing structure, the adhesive is provided along a direction in which the outer circumferential end of the fastener extends at a corner formed by the outer circumferential edge of the fastener and the surface of the frame. The curtain wall according to claim 1, wherein the adhesive is provided along the direction in which the outer circumferential end of the fastener extends, at least at a corner formed by the outer circumferential edge extending in the finding direction and the surface of the frame. fixed structure. The curtain wall fixing structure according to claim 1 or 2, wherein the fastener and the frame are joined with bolts. A first notch portion is provided at the outer peripheral end of the fastener, the first notch portion being notched inwardly and opening toward the main body side;
The curtain wall fixing structure according to claim 1 or 2, wherein the first notch is filled with the adhesive. A second notch opening toward the body is provided on a surface of the fastener that comes into contact with the body,
The curtain wall fixing structure according to claim 1 or 2, wherein the second notch is filled with the adhesive. 3. The curtain wall fixing structure according to claim 1, wherein the adhesive is provided at a corner formed by the outer circumferential end of the frame and the surface of the fastener along the direction in which the outer circumferential edge of the frame extends. the building frame and
a fastener fixed in contact with a bracket attached to the frame;
an adhesive for bonding the fastener and the bracket;
In the curtain wall fixing structure, the adhesive is provided along a direction in which the outer circumferential end of the fastener extends at a corner formed by the outer circumferential edge of the fastener and the surface of the bracket. The curtain wall according to claim 7, wherein the adhesive is provided along the direction in which the outer circumferential end of the fastener extends, at least at a corner formed by the outer circumferential edge extending in the finding direction and the surface of the bracket. fixed structure. The curtain wall fixing structure according to claim 7 or 8, wherein the fastener and the bracket are joined with bolts. A first notch portion is provided at the outer peripheral end of the fastener, the first notch portion being notched inward and opening toward the bracket side;
The curtain wall fixing structure according to claim 7 or 8, wherein the first notch is filled with the adhesive. A second notch opening toward the bracket is provided on a surface of the fastener that contacts the bracket,
The curtain wall fixing structure according to claim 7 or 8, wherein the second notch is filled with the adhesive. 9. The curtain wall fixing structure according to claim 7, wherein the adhesive is provided at a corner between the outer circumferential edge of the bracket and the surface of the fastener along the direction in which the outer circumferential edge of the bracket extends. The curtain wall fixing structure according to claim 1 or 7, wherein an angle member is provided on the surface of the adhesive. The curtain wall fixing structure according to claim 1 or 7, wherein the adhesive is a two-component adhesive that hardens at room temperature. Place the zipper in contact with the building frame,
A method for fixing a curtain wall, wherein an adhesive is provided at a corner formed by an outer circumferential edge of the fastener and a surface of the frame along a direction in which the outer circumferential edge of the fastener extends. Place the fastener in contact with the bracket attached to the building frame,
A method for fixing a curtain wall, wherein an adhesive is provided at a corner formed by an outer circumferential edge of the fastener and a surface of the bracket along a direction in which the outer circumferential edge of the fastener extends.

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