JP7134124B2 - curtain wall - Google Patents

Description

The present invention relates to curtain walls.

Conventionally, there has been known a curtain wall in which glass is fitted into openings made of aluminum mullions and mulches (see, for example, Non-Patent Document 1). Such a curtain wall does not have fireproof performance, and it has been required to have fireproof performance.

Catalog "Curtain Wall Comprehensive Catalog" (Catalog No. STB0261I YP.15.07-030) published by Sankyo Aluminum Co., Ltd., Sankyo Tateyama Co., Ltd., July 2015, p. 26

SUMMARY OF THE INVENTION It is an object of the present invention to provide a curtain wall having fireproof performance in view of the circumstances described above.

In order to achieve the above object, the curtain wall according to the first aspect of the invention comprises a plurality of panel units arranged side by side in the horizontal direction, each panel unit having a vertical frame, and the vertical frame being an aluminum frame member. and a steel frame material provided on the indoor side of the aluminum frame material, glass is held in the aluminum frame material, and wire glass or steel shoji with wire glass inserted in the steel frame material is retained.

The curtain wall according to the first aspect of the invention comprises a plurality of panel units arranged side by side in the left-right direction, each panel unit having a vertical frame, the vertical frame comprising an aluminum frame member and a chamber made of an aluminum frame member. It has a steel frame provided inside, glass is held in the aluminum frame, and wire glass or steel shoji with wire glass is held in the steel frame, Demonstrate fire performance. In addition, by forming an air layer between the glass held in the aluminum frame and the wire glass held in the steel frame or the steel shoji with wire glass, heat insulation and sound insulation performance is improved. improves.

FIG. 6 is a cross-sectional view taken along the line AA of FIG. 5; FIG. 6 is a cross-sectional view taken along the line BB of FIG. 5; 6 is a cross-sectional view taken along line CC of FIG. 5; FIG. FIG. 6 is a cross-sectional view taken along line DD of FIG. 5; BRIEF DESCRIPTION OF THE DRAWINGS It is an outdoor side front view which shows 1st Embodiment of the curtain wall of this invention. FIG. 4 is a vertical cross-sectional view showing an example in which a steel shoji is provided on the indoor side of the panel unit of the vision section in the curtain wall of the first embodiment. FIG. 4 is a cross-sectional view showing an example in which a steel shoji is provided on the indoor side of the panel unit of the vision section in the curtain wall of the first embodiment. It is an outdoor side front view which shows the construction procedure of the curtain wall of 1st Embodiment. It is a cross-sectional view which shows the construction procedure of the curtain wall of 1st Embodiment. FIG. 4 is a longitudinal sectional view showing a state at the time of attachment of the panel unit of the vision section of the curtain wall of the first embodiment; FIG. 4 is an outdoor side front view showing a second embodiment of the curtain wall of the present invention; FIG. 12 is a cross-sectional view taken along line EE of FIG. 11; FIG. 12 is a cross-sectional view taken along line FF of FIG. 11; FIG. 12 is a cross-sectional view taken along line GG of FIG. 11; It is an outdoor side front view which shows the construction procedure of the curtain wall of 2nd Embodiment. It is a cross-sectional view which shows the construction procedure of the curtain wall of 2nd Embodiment.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1-10 show a first embodiment of the curtain wall of the invention. This curtain wall forms the outer wall of a building. consists of The spandrel part 6 faces the space from the ceiling 8 to the upper floor 9, and the vision part 7 faces the living space.

3 and 4, the spandrel section 6 has a steel mullion 10, a spandrel panel unit 11 attached to the steel mullion 10, and a fireproof board 12 provided on the indoor side of the spandrel panel unit 11. there is The steel mullion 10 is formed of steel square pipes, and as shown in FIGS. , and are spaced apart in the left-right direction. Brackets 16 for mounting spandrel panel units 11 are provided at the upper and lower ends of the steel mullion 10, as shown in FIG.

As shown in FIGS. 3 and 4, the spandrel panel unit 11 is composed of an upper frame 17, a lower frame 18, and left and right vertical frames 19, 19, which are made of aluminum, and which are framed on all four sides, and a glass 20 is fitted inside. I have As shown in FIG. 4, the upper frame 17 and the lower frame 18 have a projecting portion 21 projecting toward the outer peripheral side at the end portion on the room side, and the projecting portion 21 has a groove 22 that is open to the room side, The back plate 24 holding the head of the bolt 23 is inserted into the groove 22, and the threaded portion of the bolt 23 is inserted into the bracket 16 provided at the upper and lower ends of the steel mullion 10, and the spandrel panel is fastened with a nut. A unit 11 is attached to the steel mullion 10 . As shown in FIG. 3, the gap between the spandrel panel units 11 adjacent to each other on the left and right is filled with a wet sealing material 25 from the outdoor side and closed.
The fireproof board 12 is provided between the left and right steel mullions 10 in contact with the indoor side of the frames 17, 18, 19 of the spandrel panel unit 11, and covers the indoor side of the glass 20. - 特許庁

In this way, the spandrel section 6 has fireproof performance due to the steel mullions 10 provided on the indoor side of the spandrel panel unit 11 and the fireproof boards 12 provided between the steel mullions 10 . Further, the spandrel portion 6 is covered with a fire-resistant covering material 26 on the indoor side.

As shown in FIG. 5, the vision unit 7 is composed of a plurality of panel units 1, 1, . As shown in FIGS. 1 and 2, the panel unit 1 has a frame formed by framing an upper frame 27, a lower frame 28, and left and right vertical frames 2, 2 on all four sides. 28 and the left and right vertical frames 2, 2 are aluminum frame members 27a, 28b, 2a made of aluminum profiles, and steel frame members 27b, 28b provided inside the aluminum frame members 27a, 27b, 2a. , 2b. A glass (double glazing) 3 is held by four aluminum frame members 27a, 28a and 2a, and a wired glass 4 is held by four steel frame members 27b, 28b and 2b.
As shown in FIG. 2, the panel unit 1 has a projecting piece 29 provided on the room-side end of the aluminum frame member 27a of the upper frame 27 so as to protrude to the outer peripheral side and attached to the lower frame 18 of the spandrel panel unit 11 by screws 30. The aluminum frame material 28a of the lower frame 28 is supported by a support 31 fixed to the upper surface of the upper frame 17 of the spandrel panel unit 11 and fixed with a screw 32, so that between the upper and lower spandrel panel units 11, 11 installed. The gap between the upper frame 27 of the panel unit 1 and the lower frame 18 of the spandrel panel unit 11 and the gap between the lower frame 28 of the panel unit 1 and the upper frame 17 of the spandrel panel unit 11 are filled with a wet sealing material 33 from the outdoor side. is blocked by filling the In addition, the gap between the steel frame member 27b of the upper frame 27 of the panel unit 1 and the fireproof board 12 and the gap between the steel frame member 28b of the lower frame 28 of the panel unit 1 and the fireproof board 12 are coated with a fireproof coating. It is covered with material 26 .

As shown in FIG. 1, the steel frame member 2b of the vertical frame 2 of the panel unit 1 has a projecting piece 34 projecting toward the outer periphery at the end portion on the indoor side, and the panel units 1, 1 adjacent to the left and right By overlapping the projecting pieces 34 of the steel frame members 2b, 2b and fixing them with screws 35, the gaps between the panel units 1, 1 adjacent to each other on the left and right are closed with the steel frame members 2b, 2b. A cover 36 is attached to the indoor side of the vertical frames 2, 2 of the panel units 1, 1 adjacent to the left and right, and the cover 36 covers the steel frames 2b, 2b from the indoor side. Further, the gap on the outdoor side between the panel units 1, 1 adjacent to each other on the left and right is filled with a wet sealing material 37 from the outdoor side to close it.

6 and 7 show another embodiment of the vision unit 7. FIG. In this embodiment, a steel shoji 5 made by framing a wire glass 4 with a steel frame 38 is placed inside four steel frame members 27b, 28b, 2b provided on the indoor side of the panel unit 1. It is provided so as to be supported by a support fitting 39 and open to the indoor side. By opening the steel shoji 5 to the indoor side, the indoor side surface of the glass 3 and the outdoor side surface of the wire glass 4 can be cleaned.

In this way, the vision unit 7 is provided with the steel frame members 27b, 28b, 2b on the indoor side of the panel unit 1, and the wire glass 4 is held on the steel frame members 27b, 28b, 2b. Since the steel shoji 5 containing the is held, it has fireproof performance.

Next, the construction procedure of this curtain wall will be explained. First, as shown in FIGS. 8(a) and 9(a), the steel mullions 10, 10, . Next, as shown in FIGS. 8(b) and 9(b), the spandrel panel units 11, 11, . Next, as shown in FIGS. 8(c), 9(c) and 10, the panel units 1, 1, . . . In the panel unit 1, steel frame members 27b, 28b and 2b are attached to aluminum frame members 27a, 28a and 2a in advance at the factory. The glass 3 held by the aluminum frame members 27a, 28a, 2a and the wired glass 4 held by the steel frame members 27b, 28b, 2b may be set before the panel unit 1 is attached to the frame. Alternatively, it can be set after the panel unit 1 is attached to the frame. After that, gaps between spandrel panel units 11, gaps between panel units 1, and gaps between spandrel panel units 11 and panel units 1 are filled with sealing materials 25, 33, and 37 from the outdoor side for sealing.

Figures 11-16 show a second embodiment of the curtain wall of the present invention. This embodiment eliminates the need for sealing work from the outdoor side so that construction can be performed without installing scaffolding on the outdoor side of the building.
As shown in FIG. 11, the spandrel panel unit 11 has a width equal to that of the panel unit 1 of the vision unit 7, and has an upper frame 17 and a lower frame 18. As shown in FIG. , left and right vertical frames 19 , 19 and an intermediate vertical frame 40 , and two openings between the left and right vertical frames 19 , 19 and the intermediate vertical frame 40 are fitted with glasses 20 . As shown in FIG. 14, a mounting member 41 having a U-shaped cross section is attached to the outdoor side surface of the steel mullion 10. The mounting member 41 is attached to the left and right vertical frames 19, 19 and the intermediate vertical frame 40 of the spandrel panel unit 11. are fixed by screws 42 from the side.
The vertical frame 19 on the left side as seen from the outdoor side has a groove 43, and the vertical frame 19 on the right side as seen from the outdoor side has a protrusion 44 consisting of a pair of outward protrusions 44a and 44b, which are adjacent to each other on the left and right. The vertical frames 19, 19 of the spandrel panel units 11, 11 are fitted to each other by means of grooves 43 and projections 44. As shown in FIG. A rain barrier gasket 45 is attached to the tip of the outward protrusion 44a on the outdoor side, and a wind barrier gasket 46 is attached to the tip of the outward protrusion 44b on the room side. Both gaskets 45 and 46 are in contact with the walls of the recessed groove 43 on the outside and the inside. A gap between the indoor-side vertical frames 19, 19 of the indoor-side outward projecting piece 44b is filled with a wet sealing material 47 from the indoor side and closed. Further, the gap between the outdoor side vertical frames 19, 19 from the outdoor side outward projecting piece 44a is closed by a dry sealing material 48 attached to the projected surfaces of the left and right vertical frames 19, 19, respectively.

As in the first embodiment, the vision unit 7 is composed of a plurality of panel units 1, 1, . The gap between the aluminum frame members 2a, 2a of the frames 2, 2 is closed with a dry sealing material 49 on the outdoor side and closed with a wet sealing material 50 filled from the indoor side on the indoor side. The steel frame member 2b of the vertical frame 2 does not have the protrusion 34 directed toward the outer periphery as in the first embodiment so that the sealing material 50 can be filled from the inside of the room. A steel cover 51 covers the gap between the members 2b, 2b.

As shown in FIG. 13, the panel unit 1 of the vision unit 7 has grooves 53 formed on the inner side surfaces of the upper frame 27 and the lower frame 28 for holding the heads of the bolts 52. The bolts 52 held in the grooves 53 are is inserted into brackets 16 provided at the upper and lower ends of the steel mullion 10 and nuts are attached to the upper and lower spandrel panel units 11, 11. As shown in FIG. The gap between the upper frame 27 of the panel unit 1 and the lower frame 18 of the spandrel panel unit 11 is closed with a dry sealing material 54 on the outdoor side and closed with a wet sealing material 55 filled from the indoor side on the indoor side. . Similarly, the gap between the lower frame 28 of the panel unit 1 and the upper frame 27 of the spandrel unit 11 is closed with a dry sealing material 54 on the outdoor side and with a wet sealing material 55 filled from the indoor side on the indoor side. be.

Next, the construction procedure of the curtain wall of the second embodiment will be described. First, as shown in FIG. 15(a), the steel mullions 10 are attached to the spandrel panel units 11 in advance (the first spandrel panel unit 11 is attached to both sides and the others are attached to one side), and the steel mullions 10 are attached to the floor slab. The spandrel panel unit 11 is attached to the building frame by fixing it to 13 and the beam 14 with metal fittings 15 . At this time, as shown in FIG. 16(a), the vertical frames 19 of the adjacent spandrel panel units 11 are fitted to each other by the concave grooves 43 and the protrusions 44. Then, as shown in FIG. Next, as shown in FIGS. 15(b) and 16(b), the panel unit 1 is attached between the upper and lower spandrel panel units 11,11. After that, the gaps between the spandrel panel units 11, the gaps between the panel units 1, and the gaps between the spandrel panel units 11 and the panel units 1 are filled with sealing materials 47, 50, 55 from the inside of the room for sealing.

As described above, the present curtain wall (first and second embodiments) comprises a plurality of panel units 1, 1, . . . arranged side by side in the horizontal direction. The vertical frame 2 has an aluminum frame 2a and a steel frame 2b provided on the indoor side of the aluminum frame 2a. The aluminum frame 2a holds the glass 3, and the steel frame 2b By holding the wire glass 4 or the steel shoji 5 in which the wire glass 4 is put in, the fireproof performance can be exhibited. In addition, an air layer is formed between the glass 3 held by the aluminum frame member 2a and the wire glass 4 held by the steel frame member 2b or the steel shoji 5 containing the wire glass 4. Thermal insulation performance and sound insulation performance are improved.
Furthermore, in this curtain wall (first embodiment), the gaps between the adjacent panel units 1, 1 are closed with the steel frame members 2b, 2b, so that the vertical frames 2, 2 of the adjacent panel units 1, 1 can be reliably prevented from communicating with the flame, and the fire prevention performance is improved.
In addition, the present curtain wall (first embodiment) has a spandrel panel unit 11 provided in the upper part of the interlayer section, and the spandrel panel unit 11 is attached to the steel mullion 10 supported by the floor slab 13 and the beam 14. Since the upper part of the panel unit 1 is attached to the lower part of the spandrel panel unit 11 and the lower part is attached to the upper part of the lower layer spandrel panel unit 11, the workability can be improved while ensuring the fire prevention performance.
In addition, in this curtain wall (second embodiment), the outdoor side of the gap between the adjacent panel units 1, 1 is closed with a dry sealing material 49, and the indoor side of the gap is closed with a wet sealing material 50. By covering the indoor side of the sealed portion by the wet sealing material 50 with the steel cover 51, sealing work from the outdoor side is unnecessary, so construction can be performed without providing scaffolding on the outdoor side of the building. It is possible to shorten the construction period and reduce the cost.
This curtain wall (first and second embodiments) eliminates the aluminum mullions that are normally provided over the entire length of the interlayer section, and provides steel mullions 10 only in the spandrel section 6, and in the vision section 7 Since strength is ensured by providing the steel frame member 2b on the indoor side of the vertical frame 2 in place of the absence of mullions, a curtain wall having fireproof performance can be formed at low cost.
By setting the steel frames 27b, 28b, and 2b on the panel unit 1 in advance, workability is improved.

The invention is not limited to the embodiments described above. The cross-sectional shapes of the aluminum frame member and the steel frame member can be changed as appropriate. The steel frame member may be provided on the indoor side of the aluminum frame member, and the mounting method does not matter. The curtain wall of the present invention may have no spandrel section (only a vision section).

1 panel unit 2 vertical frame 2a aluminum frame material 2b steel frame material 3 glass 4 wired glass 5 steel shoji

Claims (1)

Equipped with a plurality of panel units arranged side by side in the horizontal direction, each panel unit has a vertical frame, and the vertical frame has an aluminum frame material and a steel frame material provided on the interior side of the aluminum frame material. A curtain wall characterized by holding glass in an aluminum frame, and wire glass or a steel shoji with wire glass in a steel frame.

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