JP5672486B2 - Glass panel unit - Google Patents

Description

  The present invention relates to a glass panel unit and a curtain wall, and more particularly, to a glass panel unit for constructing a glass curtain wall of a building and having a fire resistance and a fire prevention performance.

  As a construction method of a glass curtain wall which is an outer wall of a high-rise building, construction methods referred to as a knockdown construction method, a unitizing construction method, and a spandrel unit construction method are known. The glass curtain wall has a spandrel part that covers the front of the slab, waist, and ceiling, and a vision part that is the so-called window part (opening part) that forms the front of the living room and looks out from the room. It is constituted by.

  By the way, in each of the construction methods described above, there are cases where fire resistance and fire prevention performance are required. That is, it has been studied that the spandrel portion satisfies the fire resistance performance of 30 minutes or 1 hour, and the vision portion of the portion where there is a risk of fire spread uses fire prevention equipment to satisfy the flame shielding performance of 20 minutes or more.

  The knockdown construction method refers to a glass curtain wall that is assembled at the site by bringing the glass plate for the spandrel unit, the glass plate for the vision unit, and the peripheral members of these glass plates manufactured at the factory to the site. This is a construction method in which these carry-in members are joined to the main structural member (standing, seamless).

  4 and 5 show a part of the glass curtain wall 1 that can satisfy the fireproofing / fireproofing performance in the knockdown construction method.

  A glass curtain wall 1 shown in FIG. 1 includes a spandrel part 2 and a vision part 3. In the spandrel part 2, the glass plate 8 for the spandrel part 2 is fitted into an opening surrounded by the vertices 4, 5 on both sides and the meshes 6, 7 arranged in the upper part and the middle part. It is configured by connecting a fire-resistant board (refractory material) 9 to 4, 5, and seamless 6 and 7. The fireproof boat 9 is made of a non-combustible material having a fireproof performance of 30 minutes or 1 hour.

  Moreover, in the vision part 3, it is made of metal such as aluminum which is a fire prevention equipment fitted in advance in an opening surrounded by the verticals 4 and 5 on both sides and the invisible parts 7 and 12 arranged in the middle part and the lower part. The glass plate 11 (fire protection equipment sash) for the vision unit 3 is fitted into the four-side frame 10.

  The unitized construction method is a unit in which a glass plate for a spandrel part, a glass plate for a vision part, and peripheral members of a glass plate are incorporated into the main structural member (vertical frame, unfinished) of a glass curtain wall assembled at a factory. It is a construction method in which these units are carried to the site and these units are assembled in the building. This unitized construction method has the advantage that the construction time (construction period) can be significantly shortened and the number of construction steps can be reduced as compared with the knockdown construction method.

  6 and 7 show a part of the glass curtain wall 20 that can satisfy the fire resistance and fire prevention performance in the unitized construction method.

  In the spandrel portion 21 of the glass curtain wall 20 shown in the same figure, the upper frame 23 and the mesh 24 and the glass plate 22 for the spandrel portion 21 are fitted between the vertical frames 27 and 28 on both sides. 27, 28, and a fireproof board 25 assembled to the upper frame 23 and the invisible 24. Further, in the vision unit 29, the vision unit 29 is mounted on a metal four-sided frame 30, which is a fire-proof facility that is fitted in advance in an opening surrounded by the vertical frames 27, 28, the mesh 24, and the lower frame 32 on both sides. The glass plate 31 (fireproof equipment sash) is fitted.

  The spandrel unit construction method is to construct a spandrel unit by incorporating a glass plate for the spandrel part into the frame material at the factory, and carry the spandrel unit, the frame material, and the glass part for the vision part to the site. It is a construction method that will be assembled into. This spandrel unit construction method has an advantage that the construction time (construction period) can be shortened as compared with the knockdown construction method.

  8 and 9 show a part of the glass curtain wall 40 that can satisfy the fire resistance and fire prevention performance in the spandrel unit construction method.

  In the spandrel part 41 of the glass curtain wall 40 shown in the figure, a spandrel unit 45 in which a fireproof board 44 is attached to a frame member 43 for the spandrel part 41 is assembled to a building. In addition, the vision unit 46 is configured by assembling a metal four-sided frame 47 as a fire prevention equipment and a glass plate 48 (fire prevention equipment sash) for the vision part 46 after assembling the spandrel unit 45.

  Patent Document 1 discloses a glass panel unit having a spandrel part and a vision part. This glass panel unit has a structure in which a spandrel part and a vision part are connected and integrated with vertical frames on both sides, and the vertical frame itself does not function as a fire prevention equipment. For this reason, when making the glass panel unit of patent document 1 into a glass panel unit which has fire prevention equipment, metal four-sided frames 10 and 30 which are fire prevention equipment shown in Drawing 4 and Drawing 6 on the outside of a vertical frame. Need to be fitted.

JP 2005-155177 A

  However, in the glass curtain wall 1 by the knock-down construction method shown in FIGS. 4 and 5, in the vision part 3 that requires countermeasures for the spread of fire, the four-sided frame is further included in the frames of the vertical 4, 5 and the seamless 6, 7. Since it becomes a double structure which adds 10, there existed a problem that a cost increased, the structure became complicated, and also the scenic property deteriorated because the finding width became large.

  Similarly, the glass curtain wall 20 by the unitized construction method shown in FIGS. 6 and 7 is also a double structure in which a four-sided frame 30 is further added to the frames 27 and 28, seamless 24 and the lower frame 32. Therefore, there was a problem similar to the knockdown construction method described above.

  Furthermore, since the glass curtain wall 40 by the spandrel unit construction method shown in FIGS. 8 and 9 is free of standing and innocence, the above-mentioned problems can be solved. However, since the glass curtain wall 40 must be assembled in the building after the assembly of the spandrel unit 45, the four-sided frame 47, the continuous window connecting material 89, the glass plate 48 for the vision unit 46, and the glass peripheral member must be assembled in the building. There was a problem that time could not be shortened and construction man-hours could not be reduced.

  The present invention has been made in view of such circumstances, and it is possible to reduce the construction time of the glass curtain wall and reduce the number of man-hours for construction. An object of the present invention is to provide a glass panel unit and a curtain wall provided.

In order to achieve the above object, the present invention is a first glass plate, a refractory material provided in parallel with the first glass plate, and a frame material for the first glass plate, wherein the first glass plate is the first glass plate. The glass plate and the refractory material are connected to each other, and a spandrel portion including a first quadrilateral frame having a cross member and a vertical member, a second glass plate, and the second glass plate are supported. A vision part which is a fire prevention equipment having a second four-sided frame having a material and a vertical member; and the spandrel part and the vision part fixed to the first four-sided frame and the vertical member of the second four-sided frame Extending across the first cross member of the first four-side frame and the cross member of the second four-side frame, and the spandrel portion and the vision portion glass panel unit to the second coupling member for coupling the vertical direction, comprising the To provide.

  According to the present invention, the first subunit constituting the spandrel portion provided with a refractory material or the like, and the second subunit constituting the vision portion provided with a metal second frame member or the like which is a fire prevention equipment. Are connected and integrated by a connecting member to constitute a glass panel unit having fire resistance and fire prevention performance. A glass curtain wall is constructed by carrying the glass panel unit from the production factory to the site and assembling it in the building. In other words, the glass panel unit having the fire resistance and fire prevention performance of the present invention integrates the spandrel part and the vision part, so the construction time of the glass curtain wall can be shortened and the number of construction steps can be reduced. The glass curtain wall landscape is excellent.

It is preferable that the spandrel part of the present invention is located above the vision part .

The first connecting member of the present invention is preferably an iron plate .

The vertical member of the second four-sided frame of the present invention is preferably fixed through a long hole of the first connecting member.
The second connecting member of the present invention preferably includes a dry sealing material.

  The wet seal takes a long time to dry, but the dry seal does not need to be dried, so the construction period can be shortened.

  ADVANTAGE OF THE INVENTION According to this invention, the construction time of a glass curtain wall can be shortened, a construction man-hour can be reduced, and the glass panel unit provided with the fireproof and fireproof performance which is excellent in the scenery of a glass curtain wall, and this glass panel Can provide curtain wall with unit.

Front view of glass panel unit of embodiment Vertical sectional view of the glass panel unit shown in FIG. The principal part expansion perspective view of the glass panel unit shown in FIG. Front view showing part of glass curtain wall in knockdown construction Vertical section of the glass curtain wall shown in FIG. Front view showing part of a glass curtain wall in the unitize construction method Vertical section of the glass curtain wall shown in FIG. Front view showing part of glass curtain wall in spandrel unit construction method Vertical section of the glass curtain wall shown in FIG.

  Hereinafter, preferred embodiments of a glass panel unit and a curtain wall according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is an enlarged front view of a main part of a glass curtain wall 52 configured by assembling the glass panel unit 50 of the embodiment. FIG. 2 is a longitudinal sectional view of the glass panel unit 50 taken along the line AA ′ in FIG. FIG. 3 is an enlarged perspective view in which a main part of the glass panel unit 50 is broken.

  As shown in these drawings, the glass panel unit 50 is composed of a spandrel part 54 located at the upper part and a vision part 56 located at the lower part.

  As shown in FIGS. 1 and 2, the spandrel portion 54 is a rectangular glass plate (first glass plate) 58, a rectangular fireproof board (refractory material) 60, and a frame material for the glass plate 58. An aluminum four-sided frame (first frame member) 62 that connects the plate 58 and the fireproof board 60 is configured. That is, the spandrel part 54 is configured as a spandrel unit (first subunit) 64 including a glass plate 58, a fireproof board 60, and a four-sided frame 62.

  In addition, the vision unit 56 is a rectangular glass plate (second glass plate) 66 that is a fire prevention facility serving as a building window (opening), and a frame material for the glass plate 66 and is made of a metal such as aluminum. A four-sided frame (second frame member) 68 is included. That is, the vision unit 56 is configured as a vision unit (second subunit) 70 including a glass plate 66 and a four-sided frame 68. Note that the four-sided frame 68 constituting the fire prevention equipment is not limited to aluminum, and any material that functions as a fire prevention equipment may be used.

  The spandrel unit 64 and the vision unit 70 are manufactured at a manufacturing factory of the glass panel unit 50. And these units 64 and 70 are connected and integrated by the connecting member mentioned later in the same manufacturing factory. As a result, the glass panel unit 50 having the fireproof / fireproof performance of the embodiment is manufactured at the factory, and the glass panel unit 52 is built in the building by being brought into the site and assembled. The

  That is, in the glass panel unit 50 having fire resistance and fireproof performance of the embodiment, the spandrel part 54 and the vision part 56 are connected and integrated by a connecting member (described later). The construction time can be shortened and the number of construction steps can be reduced.

  If the glass panel unit 50 of the embodiment is used, the construction time can be reduced by about 70% and the construction man-hour can be reduced by about 30% when compared with the spandrel unit construction method described above.

  As shown in FIG. 3, the connecting member described above includes a connecting member (first connecting member) 72 for structurally connecting the spandrel unit 64 and the vision unit 70, and the spandrel unit 64 and the vision unit 70 in a watertight manner. It is comprised from the connection member (2nd connection member) 74 to connect.

  The connecting member 72 includes a rectangular iron plate 76, bolts 78 and 78, and pins 80 and 80. The iron plate 76 has a similar rectangular opening formed in the vertical frame 68A of the four-sided frame 68 of the vision unit 70 from the rectangular opening 63A formed in the vertical frame 62A of the four-sided frame 62 of the spandrel unit 64. (Not shown). The iron plate 76 is fixed to the vertical frame 62A by fastening bolts 78, 78 inserted through bolt holes (not shown) formed in the vertical frame 62A into the screw holes 76A, 76A of the iron plate 76. Is done. Further, the iron plate 76 is vertically inserted by inserting the pins 80, 80 inserted from holes (not shown) formed in the vertical frame 68A into the long holes 76B, 76B formed in the vertical direction of the iron plate 76. It is fixed to the frame 68A.

  Since the pins 80 and 80 are engaged with the long holes 76B and 76B, the spandrel unit 64 and the vision unit 70 can move relatively in the vertical direction by the length of the long axis of the long hole 76B. Yes. That is, the moving means is constituted by the pins 80 and 80 and the long holes 76B and 76B.

  When the four-side frames 62 and 68 expand due to thermal deformation in the event of a fire due to the connecting structure provided with this moving means, the pin 80 moves relatively along the elongated hole 76B, so that the vertical direction out of the thermal expansion. Can escape the expansion. Therefore, breakage of the glass plates 58 and 66 due to the bending of the four-side frames 62 and 68 can be prevented. Further, the deformation of the four-way frames 62 and 68 at the time of the earthquake can be absorbed by the action of the pin 80 and the long hole 76B. The connecting member 72 is disposed on both sides of the glass panel unit 50.

  The connecting member 74 includes two dry seal materials 82 and 82. The dry-type sealing materials 82 and 82 are attached to the upper surface of the upper frame 68B of the four-sided frame 68 so as to face the inside of the concave protrusion 69 formed along the upper frame 68B. A convex portion 65 formed along the lower frame 62B is fitted inside the concave protrusion 69 on the lower surface of the lower frame 62B of the four-sided frame 62. As a result, the concave protrusion 69 and the convex 65 are fitted via the dry sealing materials 82 and 82, and the spandrel unit 64 and the vision unit 70 are connected in a watertight manner.

  Therefore, according to the glass panel unit 50 of the embodiment, since the spandrel unit 64 and the vision unit 70 are structurally firmly connected by the connecting member 72, the glass panel in which the units 64 and 70 are integrated. The unit 50 can be easily handled, and the glass curtain wall 52 can be efficiently constructed.

  Further, since the spandrel unit 64 and the vision unit 70 are watertightly connected by the connecting member 74, water leakage from the connecting portion between the spandrel unit 64 and the vision unit 70 can be prevented. When the dry sealing material 82 is applied as the connecting member 74, the dry sealing material 82 does not need to be dried. Therefore, the construction period can be shortened compared with applying a wet sealing that requires a long time for drying.

  As shown in FIG. 3, the gap between the glass plate 58 and the four-sided frame 62 is sealed with a wet sealing material 84, and the gap between the glass plate 66 and the four-sided frame 68 is similarly sealed with a wet sealing material 86. The construction period can be further shortened by making the wet seals 84 and 86 dry seals. Moreover, the code | symbol 88 is a dry-type sealing material which connects the glass panel units 50 and 50 adjacent to right and left watertight.

  Further, in the embodiment, the configuration including the iron plate 76, the bolt 78, and the pin 80 as the connecting member 72 has been described. However, the present invention is not limited to this. In other words, any configuration that can structurally connect the spandrel unit 64 and the vision unit 70 is acceptable. Further, it is preferable that the connecting member is provided with a moving means for relatively moving the spandrel unit 64 and the vision unit 70. The connecting member 72 may be a plurality of divided members as long as it satisfies the structural function. Although the embodiment has been described in which the connecting member 72 is inserted into the rectangular opening, the present invention is not limited to this. You may arrange | position outside a frame material, if a structural function is satisfied.

  DESCRIPTION OF SYMBOLS 50 ... Glass panel unit, 52 ... Glass curtain wall, 54 ... Spandrel part, 56 ... Vision part, 58 ... Glass plate, 60 ... Fire-resistant board, 62 ... Four-sided frame, 62A ... Vertical frame, 62B ... Bottom frame, 63 ... Rectangular Shape opening, 64 ... spandrel unit, 65 ... convex portion, 66 ... glass plate, 68 ... four-sided frame, 68A ... vertical frame, 68B ... upper frame, 69 ... concave projection, 70 ... vision unit, 72 ... connecting member 74 ... Connecting member, 76 ... Iron plate, 76A ... Screw hole, 76B ... Long hole, 78 ... Bolt, 80 ... Pin, 82 ... Dry seal material, 84 ... Wet seal material, 86 ... Wet seal material, 88 ... Dry seal Material, 89 ... Connecting window connecting material

Claims (5)

A first glass plate, a refractory material provided in parallel with the first glass plate, a frame material of the first glass plate, and connecting the first glass plate and the refractory material; A spandrel portion comprising a first four-sided frame having a cross member and a vertical member;
A vision unit which is a fire prevention equipment including a second glass plate and a second four-sided frame which supports the second glass plate and has a cross member and a vertical member;
A first connecting member fixed to the longitudinal members of the first four-sided frame and the second four-sided frame, and connecting the spandrel part and the vision part in the vertical direction;
A second connecting member extending across the cross member of the first four-sided frame and the cross member of the second four-sided frame and connecting the spandrel part and the vision part in the vertical direction;
Glass panel unit, characterized in that it comprises a. The glass panel unit according to claim 1, wherein the spandrel part is positioned above the vision part . It said first coupling member, a glass panel unit according to claim 1 or 2, characterized in that the iron plate. The glass panel unit according to any one of claims 1 to 3 , wherein the vertical member of the second four-sided frame is fixed through a long hole of the first connecting member . The glass panel unit according to claim 1, wherein the second connecting member includes a dry sealing material.

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