KR100375444B1 - A fastener for fixing curtain wall and the fixing method using the same - Google Patents

Abstract

The present invention eliminates the welding work in the fixing member used to fix the curtain wall structure to the building structure, and solves the complex stresses generated by the steel joints due to the welding work to solve the complex stresses, thereby making the structure more mechanically stable and reasonable. The present invention relates to a fastening curtain wall fastening method and a curtain wall fixing method using the same by combining the structures with only easy assembling work to improve the construction and quality as well as the economics such as city park cutting.

Curtain wall fixing fastener of the present invention has two types depending on the location of use. The first form is a fastener for fixing the curtain wall to secure the curtain wall structure to the slab end side, and consists of an anchor bar 200, a support angle 300, a level adjustment angle 510 and a support plate 600, the second form The fastener for fixing the curtain wall structure to the slab upper surface is composed of a level adjuster 500 and the backing plate 600 as a fastener for fastening.

The fastener for fastening the curtain wall of the present invention is an important member that requires very safety structurally to permanently hold all materials constituting the outer wall to the building frame. In the conventional curtain wall fixing member, the formation of a slot hole in all directions of three-dimensional (X, Y, Z) was essential for absorbing construction errors generated during the construction of a building frame, and a slip phenomenon, which is a disadvantage of the slot hole, was necessary. In order to eliminate this problem, it was necessary to reinforce by on-site welding after installation. This ensures that the weld has all the elements constrained by the steel joint, so that the weld is dedicated to all the axial and moment forces, that is, the complex composite stress of the steel joint.

The fastener for fastening the curtain wall of the present invention eliminates this welding and simplifies the complex composite stress of the steel joint element into the compressive and tensile forces, which are simple stresses, to provide a more structurally stable environment. In addition, it is possible to construct by simple assembly work without on-site welding work, so it is possible to secure uniform quality regardless of the skill of the operator, and it is economical by reducing work process and time. In addition, since all the joining members are hot-dipped galvanized, there is no risk of damaging the plating film due to additional welding, and thus, it is possible to effectively prevent corrosion.

Description

A fastener for fixing curtain wall and the fixing method using the same}

The present invention relates to a fastener for fixing a curtain wall and a curtain wall fixing method using the same. More specifically, in the fixing member used to fix the curtain wall structure to the building structure, by fixing the structure only by easy assembling work that does not require welding, the complex stress generated in the steel joint due to the welding site is solved to further structurally The present invention relates to a curtain wall fixing fastener for improving the economic efficiency, such as improving quality and reducing city parks, by improving the workability, which is stable and reasonable, and a curtain wall fixing method using the same.

Conventionally, in order to install a curtain wall structure on a building structure, as shown in FIG. 1A or 1B, the channel type steel is integrally attached to the slab end or the upper surface, and the position of the vertical member (Mullion) that is the curtain wall structure is aligned. Curtain wall structure is installed on the other side of this angle where slot hole is formed after welding and installing curtain wall fixing angle in which slot hole is formed on front surface of channel steel which is attached to structure slab. The vertical member is fixed with a hexagon bolt using a square washer and washer, and then welded and installed around the square washer.

The conventional curtain wall fixing angle is inevitable in the formation of slot holes for absorbing construction errors in all directions under stress, and after completing the coupling between the structures, it is essential to compensate for the play caused by these slot holes. Field welding has been carried out. Such welding has a rigid joint element, which generates moments due to axial and shear forces at the weld site, forming complex and continuous stress on the weld site, and eventually welding site. Causes destruction.

In addition, the conventional technology is that the welding work space between the vertical member (Mullion), which is the curtain wall structure, and the slab end, which is the building structure, is narrow, the work efficiency is reduced, and the quality of the work varies according to the skill of the welder. As a result, they were less economical in terms of cost and time.

In addition, this conventional technique is often a cause of air delay due to the defects such as surface damage and glass damage of the vertical member due to welding spark during the welding operation, and the surface damage of the vertical member is a cause of corrosion. The structural member and the coupling member were overdesigned due to the risk of member corrosion due to condensation.

In order to solve the above problems, the fastener for fixing the curtain wall of the present invention does not need a slot hole for absorbing construction errors, and it is reasonable to provide a plurality of connecting members that bear only tension and compression force in one direction with a building structure and a curtain wall structure. It is possible to combine the building structure and curtain wall structure by simple assembly work without site welding work, while fixing mechanically and stably, and in particular, the fastener for fixing the curtain wall of the present invention installed on the upper surface of the slab is placed in slab concrete. It is not necessary to bury anchor hardware by reviewing the entire drawing.

The object of the present invention is to eliminate the conventional slot hole (Slot hole) for absorbing the construction error and to meet the function instead of simple assembly of the joining member to remove the local welding site due to the slot hole welding The present invention provides a structurally more stable fastener for fastening a curtain wall by relieving stress concentration of a steel joint element and a curtain wall fixing method using the same.

Another object of the present invention is possible to construct only by simple assembly work without on-site welding work to ensure uniform quality irrespective of the skill of the operator and to reduce the work process and time economical curtain wall fasteners and curtain wall using the same It is to provide a fixing method.

Another object of the present invention is to prevent the damage of the plating film due to additional welding when all the bonding member is hot-dip galvanized treatment effectively prevents the corrosion of the member due to condensation phenomenon of the member that was previously designed in consideration of corrosion The optimum thickness can be designed to provide more economical curtain wall fasteners and curtain wall fixing methods using the same.

1A and 1B are cross-sectional views showing a support state of a curtain wall according to the prior art.

Figure 2 is an exploded perspective view according to an embodiment in which the fastener for fixing the curtain wall of the present invention is installed on the side surface of the slab.

3 is a vertical cross-sectional view according to the embodiment of FIG.

4 is a horizontal cross-sectional view according to the embodiment of FIG.

Figure 5 is a vertical cross-sectional view according to another embodiment in which the fastener for fixing the curtain wall of the present invention is installed on the upper surface of the slab.

6 is a horizontal cross-sectional view according to the embodiment of FIG.

<Description of Symbols for Main Parts of Drawings>

100: slab 110: expansion anchor

120: anchor bolt 200: anchor bar

210: rail 211: leaf C-channel

212: leg 220: square nut

221: spring 300: support angle

310: reinforcing plate 320: U-shaped insertion groove

330: bolt hole a 331: bolt a

400: mullion 410: bolt hole b

411: bolt b 500: level regulator

510: level control angle 520: level control plate

530: stiffener 540: level control device

541: bolt hole c 542: bolt c

543: nut c 544: nut c '

600: support plate 610: insertion hole

620: bolt hole d 621: bolt d

622: spring washer 623: washer

700: channel steel 710: curtain wall fixing angle

720: Tibolt 730: nut

740: hexagon bolt 750: slot hole

The present invention will be described with reference to the drawings.

2 to 4 show an embodiment in which the fastener for fastening the curtain wall of the present invention is installed on the side surface of the slab, and the fastener for fastening the curtain wall of the present invention is anchor bar embedded in the side of the slab 100 which is a building structure ( 200, a support angle 300 connected to the anchor bar 200, a level adjustment angle 510 connected to the support angle 300 while fixing to the vertical member 400 that is a curtain wall structure, and the curtain wall Fitted to the vertical member 400 is a structure consists of a support plate 600 is fixed to the slab 100 is a building structure.

The slab 100, which is a building structure, is cured by installing concrete after installing the anchor bar 200 on the slab formwork, and a plurality of expansion anchors capable of fixing the supporting plate 600 to be described later on the upper surface of the cured concrete surface. Install 110. The expansion anchor 110 may be replaced by an anchor bolt 120 that is generally widely used.

The anchor bar 200 is buried in the end side of the slab 100, which is a building structure, is composed of a rail 210 and a plurality of square nuts 220, the opening of the rail 210 outside the end of the slab 100 It is formed by the combination of the leaf-shaped channel (211) toward the side and the U-shaped legs 212 attached to the closed surface of the channel 211, the square nut 220 is a long-leaf leaf-shaped channel (211) in a rectangular shape It is slightly smaller than the inner width of the) and the rounding is formed at two corners in the diagonal direction can be rotated 90 degrees in the state inserted into the channel 211, the spring 221 is attached to the lower portion in the center of the square nut 220 A screw hole is formed. The anchor bar 200 is combined with the support angle 300 to be described later allows the support angle 300 to freely set the position at the correct position.

The support angle 300 is connected to the anchor bar 200 as an L-shaped iron and is fixed in a simple fitting form without any fastening work with the vertical member 400 that is a curtain wall structure, which is connected to the anchor bar 200. A plurality of bolt holes a 330 are formed on one surface, and the bolts a 331 are fastened by aligning each of the bolt holes a 330 with holes of each of the plurality of square nuts 220 of the anchor bar 200. By combining with the anchor bar 200, and the other surface of the support angle 300 to form a c-shaped insertion groove 320 in the center to fit the vertical member 400 of the curtain wall structure to the insertion groove 320 Fix the vertical member 400. The bearing angle 300 is a conventional slotted hole function for absorbing construction errors to be performed by coupling with the anchor bar 200 and the U-shaped insertion groove 320 and the level adjustment angle 510 to be described later. It is a reasonable form that can structurally bear only axial force (compression, tension). It is more preferable to install the reinforcement plate 310 in the support angle 300 to reinforce the axial force.

The level adjustment angle 510 is connected to the vertical member 400 inserted into the insertion groove 320 of the support angle 300 to hold the level of the vertical member 400, and receives the vertical load transmitted from the curtain wall structure. It serves to deliver to the angle (300). The level adjustment angle 510, which is an L-shaped iron, has a plurality of bolt holes formed on one surface thereof connected to the vertical member 400 to fit the bolt b 411 in accordance with the bolt holes b 410 of the vertical member 400. Is coupled to the other side, and the level adjusting device 540 is formed on the other side, the level adjusting device 540 forms a bolt hole c 541 in the level adjusting angle 510 and bolt c 542 thereon. The bolt head may be inserted downward to fasten the two nuts c and c '543 and 544 to easily form the bolt head. In addition, the level adjusting device 540 is simply mounted on the surface forming the U-shaped insertion groove 320 of the support angle 300 without a coupling process, the vertical member 400 coupled to the level adjustment angle 510 is inserted Since it is inserted into the groove 320, it is possible to perform a level adjustment function stably enough even in a simply mounted state, such a connection structure allows the level adjustment angle 510 to perform structurally axial force while performing a conventional slot hole function. It can be called rational by burdening only compression and tension).

The backing plate 600 is a plate-shaped member that directly connects the curtain wall structure and the building structure. A □ -shaped insertion hole 610 and a plurality of bolt holes d 620 are formed, and the □ -shaped insertion hole 610 is provided. ) Is inserted into the vertical member 400 and coupled with the vertical member 400 which is a curtain wall structure, and the expansion hole 110 is constructed by applying the bolt hole d 620 to the slab 100 and bolt d 621. It is fixed to the slab 100 through the building structure. Alternatively, when the anchor bolt 120 is installed in the slab 100 as described above, it is fixed to the slab 100 by inserting a nut. Since the support plate 600 serves to hold the vertical member 400 against the wind pressure acting perpendicularly to the building structure, the □ -type insertion hole 610 formed in the support plate 600 is replaced by a U-shaped groove. It can also be configured as a simpler operation to fit the vertical member 400.

5 to 6 illustrate another embodiment in which the fastener for fixing the curtain wall of the present invention is installed on the upper surface of the slab, wherein the fastener for fixing the curtain wall of FIG. 2 is an anchor bar 200 and a support angle 300. , The level adjustment angle 510 and the support plate 600 is installed on the side of the slab to increase the utilization of the floor surface, while the fastener for fixing the curtain wall of FIG. 5 connects the slab which is the building structure and the vertical member which is the curtain wall structure ㆍ The base plate 600 to fix and the level adjuster 500 to adjust the level of the vertical member is more simply configured, but the utilization of the floor is somewhat reduced, but there is no embedded steel by the review of the drawings before the slab concrete installation Easy and convenient

The configuration and operation of the support plate 600 in FIG. 5 is the same as in the above detailed description of FIG. 2, and in addition, the level adjuster 500 is placed on the support plate 600.

The level adjuster 500 is connected to the vertical member 400 to grab the level of the vertical member 400, and serves to transfer the vertical load transmitted from the curtain wall structure to the slab 100, level adjustment Sieve 500 is composed of one level control plate 520, two stiffeners 530 and level control device 540, the one level control plate 520 and the two stiffeners 530 orthogonally Welded together and integrally hot dip galvanized. The level control plate 520 is a plate-like hardware, the upper surface of the two stiffeners 530 are welded side by side in the shape of a ㅛ, the lower surface level control device 540 is formed is fixed to the upper surface of the slab 100 The level adjusting device 540 is placed on the supporting plate 600. The two stiffeners 530 are plate-like hardware, and the two stiffeners 530 when welded to the level control plate 520 are equal to the short axis width of the vertical member 400 so that the vertical members are separated between the two stiffeners 530. (400) can be fitted, and each of the two stiffeners (530) to form a plurality of bolt holes to align with the plurality of bolt holes b 410 of the vertical member 400 and then fitted by tightening the bolt b (411) It is to be completely fixed to the vertical member (400). The level adjusting device 540 forms a bolt hole c 541 in the level adjusting plate 520 as shown in FIG. 2 and inserts the bolt c 542 with the bolt heads facing downwards, and the two nuts c and c. It can be formed by fastening '(543, 544).

The anchor bar 200, the support angle 300, the level adjusting body 500, the level adjusting angle 510 and the supporting plate 600 of FIGS. 2 to 6 are subjected to hot dip galvanizing to be generated due to condensation. Corrosion of the members can be prevented, which is more satisfactory in quality by eliminating welding work, and also enables optimum design of the members.

The curtain wall structure fixing method using the curtain wall fixing fastener of FIG. 2 is as follows. After transporting the rails 210 of the anchor bar 200 over the slab 100 formwork, the rails 210 are temporarily fixed by adjusting the level of the rails 210 so that the upper ends of the rails 210 correspond to the concrete placing surface, and the rails 210 are fixed. Inside the channel 211, the opening is blocked with a tape or the like to prevent concrete or other foreign matter from entering. When the level is adjusted, the rail 210 is firmly fixed on the slab formwork, and then the slab concrete is poured. When the concrete is cured, the anchor bar 200 is removed from the slab 100 by removing the tape attached to the upper surface of the rail 210. Complete the burial process.

The anchor bar 200 is completed by installing a plurality of square nuts 220 attached with a spring 221 in the rail 210 channel 211 of the anchor bar 200 embedded in the slab end. The square nut 220 is inserted into the channel 211 by aligning the long side in the longitudinal direction of the rail 210 and then rotating it 90 degrees clockwise while pressing the spring 221 to release the spring 221. It is supported and fixed to the channel 211 by the supporting force.

The anchor bar 200 of the anchor bar 200 is connected to the anchor bar 200 in which the plurality of square nuts 220 are installed, and the support angle 300 which is an L-shaped iron having a plurality of bolt holes a 330 formed on one surface thereof. The bolt a 331 is fastened by matching the bolt hole a 330 of the square nut 220 with the screw hole and the support angle 300. The other surface of the support angle 300 connected in this way forms a U-shaped insertion groove 320 to insert and fix the vertical member, which is a curtain wall structure, to the insertion groove 320.

Before inserting the vertical member 400 which is a curtain wall structure into the insertion groove 320 of the support angle 300, the L-shaped level adjusting angle 510 is attached to the side of the vertical member 400 and the level adjusting device 540 Or bolt c 542 to adjust the level of the vertical member 400. One side of the level adjustment angle 500 is fixed to the vertical member 400 with the bolt b 411 in accordance with the bolt hole b 410 of the vertical member 400, another level adjustment device 540 is formed One side is a surface formed with the insertion groove 320 of the support angle 300 to the level adjusting device 540 when the vertical member 400 is fixed to the U-shaped insertion groove 320 of the support angle 300. On top of it connects with the support angle (300).

Insert the insertion hole 610 of the support plate 600 into the vertical member 400 to which the level adjustment angle 510 is attached as described above, thereby combining the vertical member 400 and the support plate 600 and thus level adjusting angle ( After inserting the vertical member 400 to which the support plate 510 and the support plate 600 are attached to the insertion groove 320 of the support angle 300 to position them correctly, a plurality of bolt holes d formed in the support plate 600 are formed. 620 is placed on the slab 100 and a plurality of expansion anchors 110 are installed on the upper surface of the slab to fasten the bolt d 621, the spring washer 622, and the washer 623 to form the curtain wall structure vertical member 400. ) And the slab 100 that is the building structure is finally configured to fasten.

In addition, the curtain wall structure fixing method using the fastener for fixing the curtain wall of Figure 5 is as follows. Inserting the insertion hole 610 of the support plate 600 into the vertical member 400 that is the curtain wall structure to combine the vertical member 400 and the support plate 600, and to accurately position the vertical member 400 in each plane direction After forming the anchor bolt 120 in the bolt hole d (620) of the support plate 600 to fix the support plate 600 and the slab 100, the vertical member 400 of the slab 100 and the curtain wall structure of the building structure ) To primary.

Attaching the support plate 600 as described above, the two stiffeners 530 integrally welded with the level control plate 520 is inserted into the vertical member 400 connected to the slab 100 and the vertical member 400 in the vertical direction. After setting the position of the level using the level control device 540 formed on the level adjusting plate 520 to determine the level of the vertical member 400, the level adjusting device 540 is fixed to the level on the upper surface of the support plate 600 It consists of the step of mounting the adjusting device (540).

Curtain wall fixing fastener of the present invention eliminates the conventional slot hole (Slot hole) for absorbing the construction error and instead meet the function by simple assembly of the joining member to remove the local welding site due to the slot hole welding As a result, stress concentration at the steel joint generated is more stable and structurally more stable.

In addition, the fastener for fixing the curtain wall of the present invention can be constructed by a simple assembly work without welding work, it is possible to secure a uniform quality regardless of the skill of the operator largely and economical by reducing the work process and time.

In addition, the fastener for fastening the curtain wall of the present invention can be used that the hot-dip galvanized all the joining members without welding work to prevent the corrosion of the member due to condensation, the thickness of the member previously designed in consideration of corrosion It is more economical to design optimally.

Claims (7)

In the curtain wall fixing device for fixing the curtain wall structure at the slab end side, An anchor bar 200 embedded in the end side of the slab 100; L-shaped iron connected to the anchor bar 200, a plurality of bolt holes a (330) formed on one surface connected to the anchor bar 200 is connected to the anchor bar 200 and the bolt a (331) And, on the other side of the support angle 300 to form a center-shaped insertion groove 320; L-shaped hardware coupled with the vertical member 400 having a plurality of bolt holes b 410 on both sides perpendicular to the slab 100, one side of the bolt holes of the vertical member 400 by forming a plurality of bolt holes a level adjusting angle 510 which fastens the bolt b 411 in accordance with the b 410, and a level adjusting device 540 is formed on the other side thereof; And, The □ -shaped insertion hole 610 is inserted into the vertical member 400 by a plate-shaped iron that is inserted into the vertical member 400 and forms a □ -shaped insertion hole 610 and a plurality of bolt holes d 620. Coupled with the vertical member 400, the plurality of bolt holes d (620) in accordance with the slab 100 to install a plurality of expansion anchors 110 or anchor bolts 120 and through the bolt d (621) Support plate 600 is fixed to the slab (100); Curtain wall fixing fasteners characterized in that consisting of. In claim 1, the anchor bar 200 is composed of a rail 210 and a plurality of square nuts 220, the rail 210 has a leaf C-shaped channel (opening is directed toward the outside of the end side of the slab 100) 211) and the 다리 -shaped legs 212 are attached to the closed surface of the channel 211, the square nut 220 is a rectangular shape, the long side is slightly smaller than the inner width of the leaf C-shaped channel (211) Rounding is formed at two corners in a diagonal direction and can be rotated 90 degrees while being inserted into the channel 211. A fastener for fixing a curtain wall, characterized in that a screw hole to which the spring 221 is attached is formed at the center. . The level adjusting device 540 of the level adjusting angle 510 has a bolt hole c 541 formed on the surface on which the level adjusting device 540 is formed, and the bolt c 542 is bolted to the head. Fasteners for curtain wall, characterized in that formed by fastening the two nuts c, c '(543, 544) so as to face downward. Curtain wall fixing device for fixing the curtain wall structure on the upper surface of the slab, The plate-like hardware is fitted to the vertical member 400 having a plurality of bolt holes b (410) on both sides perpendicular to the slab 100, the □ type insertion hole 610 and a plurality of bolt holes d (620). By inserting the □ -type insertion hole 610 into the vertical member 400, and combined with the vertical member 400, the plurality of bolt holes d (620) to match the upper surface of the slab 100 of the building structure A support plate 600 installed with two expansion anchors 110 or anchor bolts 120 and fixed to the slab 100 by passing through the bolt d 621; And, The iron is coupled to the vertical member 400 is composed of one plate level control plate 520, two plate-shaped stiffener 530 and the level control device 540, the level control device 540 on the support plate 600 ) Is placed on the upper surface of the level control plate 520, the two stiffeners 530 are arranged side by side at the same interval as the short axis width of the vertical member 400, the orthogonal to the level control plate 520 integrally with the 조절 type Welded, the level adjusting plate 520 is formed on the lower surface of the level adjusting device 540, each of the two stiffeners 530, the level adjusting body 500 is formed with a plurality of bolt holes; Curtain wall fixing fasteners characterized in that consisting of. The level adjusting device 540 of the level adjusting body 500 forms a bolt hole c 541 in the level adjusting plate 520 so that the bolt c 542 faces the bolt head downward. Fasteners for fixing curtain walls, characterized in that formed by fastening two nuts c, c '(543, 544). The rail 210 of the anchor bar 200 of claim 1 or 2 is installed on the slab 100 formwork to pour and cure the slab concrete, and to the rail 210 of the anchor bar 200, the spring of claim 2 A plurality of square nuts 220 with 221 attached are inserted into the channel 211 of the rail 210 with the long sides parallel to the longitudinal direction of the rail 210 and then rotated by 90 degrees. A first step of completing the anchor bar 200 by installing the 220 on the rail 210; Align the bolt hole a 330 of the support angle 300 of claim 1 to the threaded hole of the square nut 220 of the anchor bar 200 of the first step, and then penetrate the bolt a 331 to anchor the bar 200. ) And a second step of connecting the support angle 300; A vertical member is attached to the vertical member 400, which is a curtain wall structure in which a plurality of bolt holes b 410, is formed, by attaching a surface on which the plurality of bolt holes of the level adjustment angle 510 of claim 1 or 3 are formed. A third step of aligning the bolt holes b 410 and the bolt holes of the level adjusting angle 510 and penetrating the bolt b 411 to couple the vertical member 400 and the level adjusting angle 510 to each other; In the third step of the vertical member 400, the fourth step of coupling the vertical member 400 and the support plate 600 by inserting the insertion hole 610 of the support plate 600 of claim 1 to the vertical member 400 ; In the vertical member 400 of the fourth stage, the vertical member 400 is inserted into the U-shaped insertion groove 320 of the second stage support angle 300, and the level adjustment angle 510 of the third stage. A fifth step of coupling the support angle 300 to the vertical member 400 by placing the level adjusting device 540 on the surface on which the insertion groove 320 of the support angle 300 is formed; And, In the vertical member 400 of the fifth step, a plurality of bolt holes d 620 formed in the support plate 600 are fitted to the slab 100 of the first step and a plurality of expansion anchors 110 or anchor bolts ( 120 to install the bolt d (621), the spring washer 622 and the washer 623 or the nut to secure the support plate 600 is fitted with the vertical member 400 of the curtain wall structure and the slab 100 of the building structure. Connecting to the sixth step; Curtain wall fixing method characterized in that consisting of. A first step of fitting the vertical member 400 and the support plate 600 by inserting the insertion hole 610 of the support plate 600 of the fourth member into the vertical member 400; In the support plate 600 of the first step, a plurality of bolt holes d 620 formed in the support plate 600 are fitted to the slab 100 and a plurality of expansion anchors 110 or anchor bolts 120 are installed to install the bolts d ( 621, a second step of fixing the support plate 600 and the slab 100 as a building structure by fastening the spring washer 622 and the washer 623 or a nut; A plurality of bolts formed in the stiffener 530 by inserting the two stiffeners 530 of the level adjusting body 500 of claim 4 or 5 in the vertical member 400, the supporting plate 600 of the second stage. Fitting a hole to the plurality of bolt holes b 410 of the vertical member 400 and penetrating the bolt b 411 to couple the vertical member 400 and the level adjuster 500 to each other; And, A fourth step of adjusting the level of the level adjusting device 540 of the third level adjusting step 500 and placing it on the support plate 600; Curtain wall fixing method characterized in that consisting of.