JPH05179737A - Fitting method of curtain wall - Google Patents

Abstract

PURPOSE:To obtain a fitting method of a curtain wall by which labor-saving, safety, reduction of construction period, automatic construction, etc., are realized and tests of water-tightness, adjustment of images, or the like can be performed in advance before assemblying to the concrete body and the quality on the finishing external decoration can be increased. CONSTITUTION:When a curtain wall is fitted on a concrete wallbody, a plurality of vertical frames 5 and lateral beams 7 are previously assembled. And then glass plates 9 and fire-proof boards 13 are attached to the vertical frames 5 and the lateral beams 7 to assemble a curtain wall unit 3. And the curtain wall units 3 are fitted to the concrete body by turns.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of assembling a curtain wall.

[0002]

2. Description of the Related Art In recent years, with the increase in the number of buildings, curtain walls are rapidly becoming established as exterior specifications. On the other hand, in the construction cost, the ratio of exterior work is very high, and how fast the exterior work is completed is
It is important for interior work without being affected by the weather. However, in the conventional curtain wall specification exterior work, after mounting upright, seamless, edging, etc. on the concrete skeleton one by one, glass plates and fireproof boards are attached, and sealing and cleaning around the glass are often performed. Workers of different occupations ride on scaffolding boards, gondola, etc. to assemble the components of the curtain wall by knockdown method for each construction floor.

[0003]

Therefore, the conventional knockdown type construction method has a problem that it is difficult to achieve labor saving, safety, shortening of construction period, and unmanned construction. In addition, tests such as watertightness and image adjustment can be done by the conventional construction method only after the entire exterior work is actually completed.
Since workers of various occupations assemble each component of the curtain wall for each construction floor, the range of responsibility for quality tends to be unclear, and it is difficult to maintain a high quality exterior finish. The present invention has been devised in view of the above circumstances, the object of the present invention, labor-saving, safety, shortening the construction period, unattended construction, further, watertight performance before assembling to the concrete frame You can perform tests such as
It is an object of the present invention to provide a method of assembling a curtain wall that can remarkably improve the quality of exterior finish.

[0004]

[Means for Solving the Problems] To achieve the above object, in the present invention, when assembling a curtain wall to a concrete skeleton, a plurality of cubes and a plurality of blinds are assembled in advance, and further, these cubes and cubes are not assembled. The feature is that the curtain wall unit is assembled by assembling the glass plate and the fireproof board over the eyes, and the curtain wall unit is sequentially assembled on the concrete frame.
Further, the present invention is characterized in that the height of the curtain wall unit is formed to have a size corresponding to a floor height of a building.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method of assembling a curtain wall according to the present invention will be described below with reference to the drawings. FIG. 1 shows a perspective view of a high-rise building 1 that has been subjected to exterior work by the method of the present invention,
The exterior of the building 1 above the 5th floor has an aluminum curtain wall specification, and a large number of curtain wall units 3 shown in the front view of FIG. 2 and the sectional side view of FIG. 3 are assembled in a concrete skeleton. The curtain wall unit 3 has three uprights 5 which are horizontally spaced apart and extend vertically, and four blind eyes 7 which are vertically spaced apart and extend horizontally, and these uprights 5 and The heat ray reflective glass plate 9 fitted in the space formed by the eyes 7, the horizontal reinforcing member 11 attached to the back surface of the eyeless member 7 and extending in the horizontal direction, and the attachment through the horizontal reinforcing member 11. It is composed of the fireproof board 13 and the like, and the periphery of the glass plate is sealed.

The height of the curtain wall unit 3 is formed to the size of the floor height of the building 1, and the length is formed to the size of one span. In an ordinary curtain wall, the strength and rigidity as a surface are ensured only after fixing the uprights 5 to the concrete frame, but in the present invention, the plurality of uprights 5, the blinds 7, the glass plate 9, the fireproof board 13 are provided. In order to assemble the curtain wall unit 3 into a concrete skeleton as an assembled curtain wall unit 3, its strength and rigidity are secured by the horizontal reinforcing member 11 etc. to such an extent that the quality of the curtain wall unit 3 can be maintained during lifting or moving. In this embodiment, the lower end of each cuboid 5 is projected below the bottomless eye-less 7, and when the curtain wall unit 3 is attached to the concrete frame, the lower end of each cuboid 5 and the lowest position are attached. A ventilation window is incorporated in the downwardly open space 15 formed by the eye-catching eyes 7 located. Further, a joint sleeve 17 made of an aluminum mold material is provided so as to project upward at the upper end of each cuboid 5, and an open concave portion 19 is formed below at the lower end of each cuboid 5. In this embodiment, the heights of the three joint sleeves 17 protruding from each of the uprights 5 are 50 mm, 60 mm, and 70 mm, which are different from each other. Further, a coupling tool 20 for fixing the curtain wall unit 3 to the concrete frame is welded to the side of the uprights 5 to which the fireproof boat 13 is attached.

When such a curtain wall unit 3 is assembled to a concrete frame and exterior construction of the building 1 is performed, for example, a curtain wall unit assembling apparatus is installed upright in the site of the high-rise building 1, and the curtain wall unit is installed. The curtain wall unit 3 assembled by the assembling device can be sequentially assembled to the concrete skeleton. Curtain wall unit assembling device 21 for assembling the curtain wall unit 3
For example, as shown in the front view of FIG. 4 and the side view of FIG. 5, the frame can be configured by a frame body 23 and the like extending left and right with a predetermined front-back width and a predetermined height. Explaining the curtain wall unit assembling device 21, the frame 23
Are the front and rear vertical members 25, which are erected at a height larger than the curtain wall unit 3 with a space left and right, and the horizontal members which are vertically stretched over the front and rear vertical members 25, respectively. 27, an intermediate member 29 which is vertically spanned between the front and rear vertical members 25 and is vertically spaced, and an upper member 31 which is vertically spanned between upper portions of the front and rear vertical members 25. There is.

A scaffold plate is placed on the intermediate member 29,
An operator rides on the scaffolding board to assemble the curtain wall unit 3. A crane traveling rail 33 extending leftward and rightward is attached to the lower surfaces of the front and rear ends of the upper member 31, and the traveling portion is engaged with the rail 33 to dispose the crane.

Further, on the ground before and after the frame body 23, I type steel 35 is laid in parallel with the frame body 23, and FIG. 6 is a sectional front view, FIG. 7 is a plan view, and FIG. 8 is a sectional view. As shown in the side view, a support piece 37 is attached to an upper piece 3501 of the I-shaped steel 35 via a leg piece 39, a bolt 41, and a nut 43. A large number of supporting pieces 37 are provided at a predetermined interval in the longitudinal direction of the I-shaped steel 35, and on each supporting piece 37, a joint sleeve 45 made of an aluminum-shaped material that can be engaged with the recess 19 at the lower end of the upright 5 stands. It is set up. Therefore, in this embodiment, the lower end of the upright 5 is placed on the support piece 37 for vertical positioning of the upright lower end, and the joint sleeve 45 engages with the concave portion 19 for horizontal positioning. The support piece 37 and the joint sleeve 45 constitute a positioning portion 47 at the lower end of the vertical direction.

Above the joint sleeve 45 and on the cross member 27 corresponding to the height of the upright 5, as shown in a sectional side view in FIG. 9 and a plan view in FIG. Is provided with a vertical upper end positioning portion 51 for positioning. The positioning portion 51 at the upper end of the vertical direction includes a substrate 53 attached to the cross member 27, a support piece 57 having an L-shaped cross section, which is provided on the substrate 53 so as to be vertically swingable around a hinge 55. A bracket 59 attached to the support piece 57 via bolts, nuts, etc., and a case 61 fixed to the bracket 59.
And a joint sleeve 63 made of an aluminum mold material slidably incorporated in the case 61, and a positioning member 65 provided at the lower end of the joint sleeve 63.
A flange 67 is formed at the upper end of the joint sleeve 63 to prevent the joint sleeve 63 from falling out, and a space portion at the lower end of the positioning member 65 that can be engaged with the joint sleeve 17 at the upper end of the upright 5. 69 is formed.

The case 61 is a rotary shaft 55 of a hinge 55.
It is possible to swing around 01, and as shown by the phantom line in FIG. 9,
It swings up and down between a retracted position retracted from above the upper end of the upright 5 and a horizontal position facing the upper end of the upright 5 as shown by the solid line in FIG. At the horizontal position of the case 61, the lower end of the adjusting bolt 5701 provided on the support piece 57 is the upper plate 530 of the substrate 53.
It is determined by locking on 1. Then, the lower end of the cube 5 is positioned by the positioning portion 47 to stand the cube 5,
The case 61 is swung to a horizontal position to lower the joint sleeve 63, and the joint sleeve 1 at the upper end of the cube 5 is moved.
By engaging 7 with the space 69 of the positioning member 65, the vertical 5 is positioned and fixed in the vertical and horizontal directions. In this embodiment, 18 curtain wall units 3 corresponding to one floor of the building 1 are assembled before and after the frame body 23.

Next, a method of assembling the curtain wall unit 3 with such a curtain wall unit assembling apparatus 21 will be described. First, the positioning portion 47 at the lower end of the upright position and the positioning portion 51 at the upper end of the upright position position and fix a large number of the uprights 5 to stand upright. Next, the blind 7 and the horizontal reinforcing member 11 are assembled to the uprights 5. Next, it is inspected whether these members 5, 7 and 11 are assembled with a predetermined accuracy, and if the accuracy is not obtained, adjustment is performed. Next, the portion into which the glass plate 9 is fitted is sealed and the glass plate 9 is assembled. Then, an image test is conducted, and after adjusting the image, sealing around the glass plate is performed. Next, a watertightness test is performed, and those that do not have watertightness are readjusted and sealed. Then, the refractory board 13 is attached to the one having watertightness, and then the seal wall is cured and the curtain wall unit 3 is completed.

In addition, when assembling the cubic 5 and the blind 7, etc.,
The worker rides on the scaffolding board on the intermediate member 29 to carry out the work, and the vertical crane 5, the blind 7, the horizontal reinforcing member 11 and the like are transported to the assembly position by a traveling crane traveling on the rail 33. Be done. When the curtain wall unit 3 is completed, for example, it is transported to a stockyard by a traveling crane, or the curtain wall unit 3 is lifted by a hoist placed at a construction site and moved to a predetermined mounting position on the concrete frame.

Next, the assembling of the thus constructed curtain wall unit 3 to the concrete skeleton will be described. First, as shown in FIG. 11, a fastener 71 is attached to the concrete frame C in advance, and
Position the fastener based on the standard black ink that comes in and out, and finish the main welding of the fastener. Next, the curtain wall unit 3 is lifted from the stock yard or from the assembling device 21 and moved to a predetermined position on the concrete skeleton C.

Then, the recess 19 at the lower end of each upright 5 is engaged with the joint sleeve 17 at the upper end of the upright 5 of the curtain wall unit 3 already assembled to the concrete skeleton C (the curtain to be first assembled to the concrete skeleton C). In the case of the wall unit 3, for example, each of the cubes 5 is attached to a joint sleeve or the like attached to the concrete skeleton C side.
Engaging the recesses 19 at the lower ends of the uprights), and connecting the fasteners 20 at the upper part of the upright 5 to the fasteners 71 to the bolts 73 and nuts 7.
Combine at 5. The recess 19 and the joint sleeve 17
Since the heights of the joint sleeves 17 of the curtain wall unit 3 already assembled to the concrete skeleton C are different at the time of engagement with each other, each one of the three cubes 5 is surely engaged with the corresponding joint sleeve 17. They can be combined, and the engaging work can be done easily. Next, the self-weight receiving bolt 77 assembled to the coupler 20 is used to adjust the level, and after the level adjustment, the bolt 73 and the nut 75 are fastened to complete the assembling to the concrete skeleton C. Then, such an assembling work of the curtain wall unit 3 is performed, for example, for each floor, and the curtain wall unit 3 is sequentially assembled on the upper floor, thereby completing the exterior work.

According to this embodiment, a large number of curtain wall units 3 including a plurality of uprights 5, blinds 7, glass plates 9, fireproof boards 13 and the like are preassembled, and these curtain wall units 3 are sequentially assembled into a concrete frame C. As the exterior work is done by assembling it on the stand, the work of assembling the stand 5, the blind 7, the glass plate 9, the fireproof board 13 and the sealing around the glass plate can be concentrated in one place.
The work efficiency can be remarkably improved, the labor can be saved, the construction period can be shortened, the safety can be achieved, and the unmanned construction can be easily performed. Further, as in the embodiment, if a simple assembling apparatus 21 is provided in the construction site and the curtain wall units 3 are sequentially assembled by this assembling apparatus 21, the curtain wall units can be installed in a factory or the like away from the building 1. It is possible to reduce the cost as compared with the case where 3 is manufactured and transported to the site.

In addition, since the curtain wall unit 3 in which a plurality of uprights 5, the blinds 7 and the glass plate 9 are assembled is obtained in the stage before being assembled to the concrete skeleton C, watertight performance and image adjustment are performed in advance. After that, the curtain wall unit 3 can be assembled to the concrete skeleton C, and the quality of the exterior finish can be significantly improved. Further, since the height of the curtain wall unit 3 is formed to have a size corresponding to the height of the floor of the building 1, the exterior work can be completed for each floor, and the work efficiency can be further improved. Further, it is advantageous when a ventilation window or the like is incorporated in the lower portion of the curtain wall unit 3 as in the embodiment.
The structure of the curtain wall unit itself, the connecting structure of the upper and lower curtain walls, the connecting structure of the upper and lower curtain walls, and the assembling structure of the curtain wall unit to the concrete skeleton are conceivable, and are not limited to the structures of the embodiments.

[0018]

As is apparent from the above description, according to the present invention, when a curtain wall is assembled to a concrete skeleton, a plurality of cubes and a plurality of blinds are assembled in advance, and further, the cubes and the cubes are not assembled. As the curtain wall unit was assembled by assembling the glass plate and fireproof board over the eyes, and the curtain wall unit was sequentially assembled to the concrete frame, labor saving, safety,
The work period can be shortened, unmanned construction can be achieved, and further, the watertight performance and the image adjustment can be tested before it is assembled to the concrete frame, and the quality of the exterior finish can be significantly improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a high-rise building that has been subjected to exterior work by the method of the present invention.

FIG. 2 is a front view of a curtain wall unit.

FIG. 3 is a sectional side view of a curtain wall unit.

FIG. 4 is a front view of the curtain wall unit assembling apparatus.

FIG. 5 is a side view of the curtain wall unit assembling apparatus.

FIG. 6 is a sectional front view of a positioning portion at a lower end of the vertical direction.

FIG. 7 is a plan view of a positioning portion at a lower end of the cube.

FIG. 8 is a cross-sectional side view of the positioning portion at the lower end of the vertical direction.

FIG. 9 is a sectional side view of the positioning portion at the upper end of the vertical direction.

FIG. 10 is a plan view of the positioning portion at the upper end of the vertical direction.

FIG. 11 is a side view of a fastener portion.

[Explanation of symbols]

 1 High-rise building 3 Curtain wall unit 5 Cubic 7 Invisible 9 Glass plate 11 Horizontal reinforcement 13 Fireproof board 21 Curtain wall unit assembling device 71 Fastener

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Eiki Kamoshita 4-6-15 Sendagaya, Shibuya-ku, Tokyo Fujita Co., Ltd.

Claims (2)

[Claims] 1. When assembling a curtain wall to a concrete skeleton, a plurality of uprights and a plurality of blinds are assembled in advance, and a glass plate or a fireproof board is assembled over the ups and the blinds to form a curtain wall unit. The method of assembling the curtain wall is characterized in that the curtain wall unit is assembled into a concrete skeleton one by one. 2. The method for assembling a curtain wall according to claim 1, wherein the curtain wall unit is formed to have a height corresponding to a floor height of a building.