JPH0657859A - Mounting structure of outer wall panel - Google Patents

Abstract

PURPOSE:To provide an outer wall panel mounting structure applicable to the mounting of a GRC outer wall panel or the like with which the mounting can be easily and quickly executed at high precision. CONSTITUTION:A receiving angle 11 for fixing the lower fastener 7 of an upper floor outer wall panel 1 is provided on the upper surface of a beam 9. A receiving plate 15 for fixing the upper fastener 4 of a lower floor outer wall panel 1 is provided on the lower surface of the beam 9. The receiving angle 11 and the receiving plate 15 are preliminarily welded to the beam 9 in a factory, and insert holes 12, 16 for fastener fixing bolts 20, 22 are provided thereon, respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure for an outer wall panel used for building exteriors and the like.

[0002]

2. Description of the Related Art As an outer wall panel used for a curtain wall or an exterior of an existing building, there is one in which a steel frame is attached to the back surface of a wall plate made of glass fiber reinforced concrete (GRC). As a structure for attaching such an outer wall panel to a beam of a steel frame, conventionally, the structure shown in FIG. 4 has been adopted. This figure shows the lower end of the outer wall panel 39 on the upper floor and the mounting portion of the upper end of the outer wall panel 39 on the lower floor. Each outer wall panel 39 has a steel frame 38 attached to the back surface of the wall plate 37 made of GRC. Steel beam 3
1, the pedestal receiving angle 33 is welded together with the bracket 32 in the factory in advance on the upper flange 31a as shown in FIG.
The pedestal 34 shown in FIG. 6 is welded to the top. On the pedestal 34, a lower fastener bolt 35 and an upper fastener bolt 36 are provided in a protruding manner. In FIG. 4, reference numeral 45 denotes a floor slab made of cast-in-place concrete.

The L-shaped lower fastener 4 is attached to the frame member 38a on the lower side of the steel frame 38 in the outer wall panel 39 of the upper floor.
2 is bolted to the vertical flange portion 42a, the horizontal flange portion 42b is placed on the pedestal 34, and is fixed to the lower fastener bolt 35 (FIG. 6) with a nut 48. On the frame member 38a on the upper side of the lower floor outer wall panel 39, an inverted L-shaped upper fastener 41 is provided on the vertical flange portion 4 thereof.
1a is bolted, and the lateral flange portion 41b is mounted on the pedestal 34.
The upper fastener bolt 36 is fixed by a nut 48. In this case, the height of the outer wall panel 39 is adjusted by appropriately interposing a liner on the lower surface of the lateral flange 41b. In addition, the bolt insertion holes 43 of the fasteners 41, 42,
Loose holes 44 allow the outer wall panel 39 to be adjusted in and out.

[0004]

However, in the above-mentioned conventional example, the pedestal 34 on which the fastener bolts 35, 36 are provided in a protruding manner.
Since the pedestal 34 is used, it is necessary to mount the pedestal 34 on site for the convenience of transportation, and the number of on-site constructions such as marking and mounting of the pedestal 34 increases. Therefore, a dimensional error often occurs, and the welding slag is often left unremoved, which may interrupt the construction for repair.
Further, since the lower floor outer wall panel 39 is also fixed on the upper side of the beam 31, there are few portions for receiving tools such as crowbars and panel pulling jigs when adjusting the accommodation of the lower floor outer wall panel 39. That is, the work of fixing the upper side of the lower floor outer wall panel 39 is carried out by the operator by placing it on the floor slab 45, and therefore the lower flange 31b of the beam 31 cannot be used as a receiver for the tool. Therefore, it is difficult to attach the outer wall panel 39, and the construction time is long. Moreover, the bolts 35 and 36 of the pedestal 34 may be damaged.

The object of the present invention is to perform the mounting work accurately.
An object of the present invention is to provide an outer wall panel mounting structure that can be simply and quickly performed.

[0006]

In the outer wall panel mounting structure of the present invention, a support member for fixing the lower fastener of the upper floor outer wall panel is provided on the upper surface of the beam, and a support member for fixing the upper fastener of the lower floor outer wall panel is provided. It is provided on the lower surface of the beam. A mounting hole for fastening the fastener is provided in each receiving member.

[0007]

According to this structure, the upper fasteners of the outer wall panel of the lower floor are attached to the receiving member provided on the lower surface of the beam, so that the attaching work can be performed from the downstairs and the receiving member and the beam can be adjusted when the outer panel is housed. Available as a tool receiver. In addition, each receiving material above and below the beam is provided with mounting holes, so unlike the projecting bolts, each supporting material is fixed to the beam in advance at the factory without hindering transportation. Can be set. Therefore, on-site work is reduced and accuracy can be improved.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. The outer wall panel 1 includes a wall frame 2 made of a glass fiber reinforced concrete (GRC) molded product, and a steel frame 3 attached to the back surface of the wall plate 2 with anchor rebars (not shown). The outer wall panel 1 is provided for each floor, and the mounting structure of FIG. 1 is adopted for mounting the beam 9 on each floor.

On the steel frame 3 of each outer wall panel 1, a lower fastener 7 consisting of an L-shaped piece is bolted to a lower frame member 3c by a vertical flange portion 7a thereof, and is provided slightly below the upper frame member 3a. An upper fastener 4 composed of an inverted L-shaped piece is bolted to the horizontal frame member 3b by a vertical flange portion 4a thereof. Bolt insertion holes 5 and 8 are provided in the lateral flange portions 4b and 7b of the fasteners 4 and 7, respectively. A screw hole is formed in the lateral flange portion 4b of the upper fastener 4 along with the bolt insertion hole 5, and a height adjusting bolt 6 (FIG. 2) is screwed into the screw hole.

The steel beam 9 of the outer wall portion is processed in advance in a factory as shown in FIG. That is, the receiving angle 11 serving as the lower fastener receiving material is welded to the upper surface of the upper flange 9a of the steel beam 9 via the bracket 10, and the bolt insertion hole 12 serving as the panel mounting hole is formed in the lateral flange portion 11a.
And the nut 13 is welded and fixed. Further, a receiving plate 15 serving as an upper fastener receiving material is fixed to the lower surface of the lower flange 9b of the steel beam 9 by welding via a bracket 14. The receiving plate 15 is formed with a bolt insertion hole 16 serving as a panel mounting hole.

As shown in FIG. 1, the floor slab 17 is formed on the steel beam 9 by cast-in-place concrete. The lower portion of the upper floor outer wall panel 1 corresponding to the floor of the floor slab 17 has the lateral flange portion 7b of the lower fastener 7 placed on the lower fastener receiving angle 11 and the bolt 20 welded from the bolt insertion holes 8 and 12. It is fixed by screwing it onto the nut 13 and tightening it. A spring washer 18 and a washer 19 are interposed below the head of the bolt 20.

At the upper portion of the lower floor outer wall panel 1, the lateral flange portion 4b of the upper fastener 4 is placed on the upper fastener receiving plate 15 via the height adjusting bolt 6 as shown in FIG. Fastener 4 and support plate 1
5 through the bolt insertion holes 5 and 16 (FIG. 1). The washers 21 and 25 are passed through the bolt 20, and the nut 26 is temporarily tightened. In this state, as shown in FIG. 1, a panel pulling jig 23 is hooked between the horizontal frame member 3b of the lower floor outer wall panel 1 and the fastener receiving plate 15, and the jig 23 adjusts the entrance / exit of the outer wall panel 1. Adjust the height with the height adjusting bolt 6. In this adjusted state, the upper fastener 4 and the receiving plate 15 are tightened with the bolt 22 and the nut 25 with the liner 24 interposed, and the upper portion of the lower floor outer wall panel 1 is fixed.

When the steel beam 9 is shipped from the factory, the bolts 20 and 22 are attached to the bolt receiving holes 12 of the lower fastener receiving angle 11 and the upper fastener receiving plate 15, respectively.
Put it in 16 and bring it to the site.

According to this structure, the upper fastener 4 of the lower floor outer wall panel 1 is fitted to the receiving plate 15 on the lower surface of the steel beam 9, so that the fixing work of the upper fastener 4 can be performed from the downstairs. Therefore, when the accommodation adjustment of the lower floor outer wall panel 1 is performed, the receiving plate 15 can be used as the receiving of the panel pulling jig 23 as described above, and the construction can be performed easily and quickly. Also,
The lower fastener receiving angle 11 and the upper fastener receiving plate 15 are provided with bolt insertion holes 16 and 12. Since the bolts are not erected as in the conventional case, these receiving angle 11 and the receiving plate 15 are pre-fabricated at the factory. 9 can be welded in advance. Since it is installed in the factory in this way, the dimensional accuracy is good, and the welding slag can be removed and the coating can be reliably performed. Moreover, since the bolts are not projectingly provided on the receiving angle 11 and the receiving plate 15, there is little damage or adverse effect due to the protrusion.

[0015]

According to the outer wall panel mounting structure of the present invention, the receiving material for fixing the lower fastener of the upper floor outer wall panel is provided on the upper surface of the beam, and the receiving material for fixing the upper fastener of the lower floor outer wall panel is provided on the lower surface of the beam. Since it is installed on the lower floor, it is possible to fix the upper fastener of the outer wall panel of the lower floor from the downstairs. Therefore, the fastener receiving material and the beam can be used as a receiving tool for adjusting the fitting of the outer wall panel, and the construction is easy and quick. Also, since each receiving material is provided with mounting holes, unlike the projecting bolts, each receiving material can be fixed to the beam in advance at the factory without hindering transportation. Good dimensional accuracy. Further, since the bolt is not projectingly provided on the receiving material, damage and adverse effects due to the protrusions are small.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an outer wall panel mounting structure according to an embodiment of the present invention.

FIG. 2 is a front view of the lower fastener attaching portion.

FIG. 3 is a vertical cross-sectional view showing the shape of the steel frame beam at the time of completion of factory production.

FIG. 4 is a vertical cross-sectional view of a conventional outer wall panel mounting structure.

FIG. 5 is a vertical cross-sectional view showing the shape of the steel frame beam when factory production is completed.

FIG. 6 is a front view of the pedestal.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Outer wall panel, 2 ... Wall board, 3 ... Steel frame, 4 ... Upper fastener, 7 ... Lower fastener, 9 ... Steel beam, 11 ... Lower fastener receiving angle, 15 ... Upper fastener receiving plate, 20, 22 ... Bolt

Claims (1)

[Claims] 1. A receiving material for fixing the lower fasteners of the upper floor outer wall panel is provided on the upper surface of the beam, and a receiving material for fixing the upper fasteners of the lower floor outer wall panel is provided on the lower surface of the beam. Outer wall panel mounting structure with mounting holes for fastening fasteners.