JP4541837B2 - Curtain wall structure by ALC plate with steel frame and its construction method - Google Patents

Description

  The present invention relates to a curtain wall structure in which a plurality of ALC plates stretched on an outer wall of a building are used as one unit, and a method for constructing the ALC plate of one unit.

  ALC plates that are lightweight and have excellent fire resistance are often used as outer walls of buildings. Often used as the wall of the curtain wall structure in the outer wall, but to form the ALC plate as the outer wall, the ALC plate is lifted up to a predetermined place one by one, and main pillars, studs, vertical pillars, etc. It was fixed every one so as to follow.

In addition, after the fixing, the joints are treated by injecting a sealing agent at the connection positions of the ALC plates, and the sash frame is installed on the site where the openings are formed. It was.
JP 2000-145154 A

  As described above, in order to construct the ALC plate as a curtain wall, the ALC plate is attached to the building frame one by one, and time is required for the attachment work. In addition, after the ALC plates are attached, the ALC plates must be sealed with each other, and in some cases, the entire surface side of the ALC plates must be finished and painted. It was.

Furthermore, it was necessary to carry out the work of dimensioning the window to be the opening and attaching the sash frame to the ALC plate or the like.
As mentioned above, work for attaching ALC plates one by one, sealing work, painting work, dimensioning work, sash frame attaching work, etc., so install a scaffold for those work, and then There was a problem in economy and safety.
In addition, since all of them are on-site work, there have been problems in construction accuracy such as building and waterproofing.
The present invention solves the above-mentioned problems, is based on an ALC plate that does not require a scaffold, eliminates many on-site work, greatly improves mounting accuracy, and can complete an outer wall in a short period of time. The object is to provide a curtain wall structure and its construction method.

The present invention solves the above-mentioned problems of the prior art. The back side of a plurality of ALC plates is fixed with vertical and horizontal steel frames, and joint processing between them is performed to form a unit steel frame. The vertical frame is provided as a left and right vertical frame in the vertical direction of the left and right ends of the ALC plate, and the horizontal frame is provided as an upper and lower horizontal frame in the horizontal direction of at least the upper and lower ends of the ALC plate. A lifting jig for lifting the main body attached to a detachable plate is fixed to the upper tip of the frame, and a first for attaching the main body to the housing at the upper part of the left and right vertical frames or the upper horizontal frame . The secondary fastener is fixed, and other primary fasteners for attaching the main body to the frame are fixed to the lower part or the lower horizontal frame of the left and right vertical frames, while the upper and lower outer beams constituting the frame of the frame are fixed . the upper outer It said upper attaching a secondary fastener which is connected to the primary fastener, attaching the other secondary fastener which is connected to the primary fastener of the lower to the lower outer beam in a first of the respective It is characterized by a curtain wall structure by an ALC plate with a steel frame in which a main body is attached to a housing by connecting a secondary fastener and a secondary fastener .

  Further, the present invention is characterized by a curtain wall structure using a steel frame-equipped ALC plate in which the plurality of ALC plates are arranged in the vertical direction.

  Furthermore, the curtain wall structure is characterized by a steel frame-attached ALC plate in which a plurality of ALC plates are arranged in parallel in the vertical and horizontal directions.

  In addition, it features a curtain wall structure with a steel frame ALC plate with a sash frame fixed to all or part of the ALC plate of the plurality of ALC plates as an opening for attaching a window to the opening. To do.

Further, the back side of a plurality of ALC plates is fixed with vertical and horizontal steel frames, and joint processing between them is performed to form an ALC plate with a unit of steel frame as the main body. Left and right vertical frames are provided in the vertical direction of the left and right ends of the plate, the horizontal frames are provided as upper and lower horizontal frames in the horizontal direction of at least the upper and lower ends of the ALC plate, and a removable plate is attached to the upper end of the vertical frame. The attached lifting jig is fixed, and the primary fastener for attaching the main body to the housing is fixed to the upper part or upper horizontal frame of the left and right vertical frames, and the lower part or lower horizontal of the left and right vertical frames. The frame is fixed with other primary fasteners for attaching the main body to the housing, and the upper and lower beams of the upper and lower outer beams constituting the frame of the housing are connected to the upper primary fastener . Secondary fast Attach the chromatography, attaching the other secondary fastener which is connected to the primary fastener of the lower to the lower outer beams, lifting the body using the lifting jig to a predetermined location, first located above The main body is attached to the casing by connecting the primary fastener to the secondary fastener of the upper outer beam of the casing and connecting the other primary fastener located below to the other secondary fastener of the lower outer beam. It is characterized by the construction method of curtain wall by ALC plate with steel frame.

  Further, among the plurality of ALC plates, all or a part of the central portion is an opening for attaching a window, and a steel frame ALC plate with a sash frame fixed to the opening is used as one unit. Characterized by the construction method of curtain wall by ALC plate with frame.

  The curtain wall structure by the ALC plate with a steel frame of the present invention and its construction method can attach a plurality of ALC plates to a building frame as a unit by a steel frame. Field work such as sealing work, painting work as finishing material, positioning work for openings, and sash frame attaching work can be reduced, and the construction period can be greatly shortened.

  Of the above work, sealing work and finishing work need to be done from the outside of the building, and work is done at a high place, and there were problems with safety such as dropping of people and objects. As a result of the absence of scaffolding, the danger has been greatly reduced.

  Furthermore, the conventional method has a problem in construction accuracy because one ALC plate is attached one by one. However, since the present invention is manufactured in advance in a factory or the like with a plurality of sheets as one unit, the accuracy is remarkably improved.

  In addition, the present invention is fixed to the beam, unlike the conventional ALC plate attached to the studs and the like, so that it can be locked following the deformation of the frame due to an earthquake or the like.

  Hereinafter, description will be made with reference to examples.

FIG. 1: has shown the back side perspective view of the curtain wall structure by the ALC plate with a steel frame of this invention, and the ALC plate 1 with a steel frame used for the construction method.
The ALC plate 1 with a steel frame is composed of ALC plate 2, several of the ALC plate 2, and four in this embodiment as one unit in advance. Steel frames 3 and 4, reinforcing plates 5 formed at the four corners of the steel frames 3 and 4 so as to straddle the vertical frame 3 and the horizontal frame 4, and the vertical and horizontal frames 3 and 4 are connected to the ALC plate. 2 and a hanging jig 7 formed on the steel frames 3 and 4 for lifting the ALC plate 1 with a steel frame 1 to a predetermined position. Yes.

ALC plate 2 is made by adding foaming material to calcareous and siliceous materials to make it porous and lightweight, and formed into standard dimensions at the factory by autoclave curing. In this example, four long ones are installed in the vertical direction It is used in conjunction with.
As shown in the cross-sectional view of FIG. 2, the ALC plate 2 positioned at the top has a stepped portion that becomes a convex portion 8 at the side end portion to prevent rainwater from entering when stacked as a curtain wall. Forming. On the other hand, a concave portion 9 for receiving the convex portion 8 is formed at the side end portion of the ALC plate 2 located at the lower portion. A sealing material such as rubber packing is attached to the convex portion 8 and / or the concave portion 9 as necessary.

Since joint portions between the ALC plates 2 are formed in advance in the factory by filling the caulking material 10 or the like, the work of filling the caulking material after attaching the ALC plate in the field is not necessary except for sealing between the units.
Further, the ALC plate 2 can be tiled as required, or can be coated with synthetic resin, or various finishing layers 11 can be formed in advance. No need to work.

The vertical and horizontal frames 3 and 4 are formed by I-shaped steel or H-shaped steel in a well shape. In the present embodiment, one vertical frame 3 is provided in the vertical direction of the left and right edges, and a horizontal frame 4 is provided in the horizontal direction on the back side of each upper and lower end part and each ALC plate at the center.
At the corners where the left and right vertical frames 3 and the horizontal frames 4 at the upper and lower ends are in contact, a triangular plate-shaped reinforcing plate 5 is provided for reinforcement.

  The vertical and horizontal frames 3 and 4 and the reinforcing plate 5 are integrated in advance by welding, bolts and nuts or the like, and constitute a frame that is not deformed even when a load is applied from the vertical, horizontal, or diagonal directions. Thereafter, the rear surfaces of the plurality of ALC plates 2 arranged side by side and the mounting bracket 6 are firmly attached. The mounting bracket 6 is Z-shaped, and one end side is hooked to a flange portion in contact with the back surface of the ALC plate of the vertical frame 3, and the other end portion is in contact with the back surface of the ALC plate, and fixing means such as a bolt Will be attached using.

A suspension jig 7 for lifting the assembled unit ALC plate 1 with a steel frame to a predetermined location is fixed to the upper end of the steel frame. The suspension jig 7 has a plate 12 fixed to an end of an I-shaped steel or an H-shaped steel, and a T-shaped standing plate 13 is detachably attached to the plate 12 with bolts. By attaching the hanger 14 to the standing plate 13, it is possible to hook the portion and lift it by the lifting means of the crane.
The standing plate 13, the hanging tool 14 and the like can be easily removed after the ALC plate 1 with one unit of steel frame is lifted to a predetermined place and fixed to the building frame.

  A primary fastener 15 to be attached to the housing can be fixed in advance to the vertical frame 3 or the horizontal frame 4 having the above configuration. As shown in FIG. 2, in this embodiment, L-shaped ones as the primary fasteners are attached to the upper and lower portions of the ALC plate 1 with a steel frame.

  FIG. 2 shows that the ALC plate 1 with a steel frame having the above-described configuration is lifted to a predetermined place by lifting means, and the primary fastener 15 is attached to the upper and lower girder 16 which is a framework constituting the outside of the framework of the building frame. Is fixed and the ALC plate with a steel frame 1 is attached. By attaching a secondary fastener 17 to be connected to the primary fastener 15 in advance to each of the upper and lower beams 16, the ALC plate 1 with a steel frame can be attached to the housing by connecting the two. it can.

FIG. 3 shows a cross-sectional view of the curtain wall structure in the lateral direction, and shows a state where the ALC plate 1 with a steel frame is fixed to the girder 16 by the primary fastener 15 and the secondary fastener 17.
A sealing material 18 such as rubber packing is attached in advance to the side end of the ALC plate 2 constituting the ALC plate 1 with a steel frame of one unit, thereby removing the ALC plate 1 with a steel frame. The curtain wall structure in which the sides are sealed at the same time as the wearing is completed.

  As is apparent from FIG. 2 above, if one ALC plate 2 having a width of about 1/4 of the floor height of the building is used, the ALC plate 1 with a steel frame with one unit of four is used. The outer wall corresponding to the floor height can be obtained by one sheet. In FIG. 2 of the present embodiment, the primary fastener 15 provided at the lower end portion of the ALC plate 1 with steel frame is fixed to the secondary fastener 17 fixed on the flange of the large beam 16 and provided on the upper side. By fixing the primary fastener 15 to the secondary fastener 17 attached to the lower portion of the flange of the upper beam 16 via a bolt, it is possible to instantaneously construct a curtain wall corresponding to the floor height of the first floor. Become.

  FIG. 4 shows another embodiment of the ALC plate 21 with a steel frame, in which an opening is provided in one unit. Six ALC plates 22 are used, and horizontal frames 24 are provided on the left and right vertical frames 23 and the upper and lower ends of the uppermost ALC plate 22 and the upper and lower ends of the lowermost ALC plate 22, respectively. Reinforcing plates 25 are formed at the corners of the upper lower side horizontal frame 24 and the lower upper side horizontal frame 24, respectively. The mounting bracket 26 is the same as that in the first embodiment.

  An opening 27 is formed in a substantially central portion of the ALC plate 21 with a steel frame, and the periphery of the opening 27 is the uppermost lower frame 24 on the upper side and the upper frame on the lower side on the lower side. 24 and the left and right sides are reinforced by providing an opening reinforcing vertical frame 28.

  By attaching vertical and horizontal sash frames 29 to the upper and lower horizontal frames 24 and the left and right reinforcing vertical frames 28 that form the periphery of the opening 27, the opening 27 can be made into a glass window. Moreover, the sash frame can be attached in advance at the factory.

  Similarly to Example 2, the steel frame-attached ALC plate 21 shown in Example 3 is lifted and attached as the curtain wall structure shown in FIGS. Thereby, since the opening part frame and the sash frame are previously attached in the factory, the outer wall having the opening part in the curtain wall can be completed at the same time as attaching the ALC plate 21 with the steel frame to the frame of the building.

  The ALC plate 31 with a steel frame shown in FIG. 5 uses two ALC plates 32, and the entire lateral width of the central part is the opening 33. Similarly to the above, the height of four sheets of the ALC plate 32 is defined as one unit, and a portion corresponding to two sheets of the central part is the opening 33.

As shown on the right side of the rear view of FIG. 5, the vertical frame 34 is provided in the vertical direction of the uppermost and lowermost ALC plates 32, leaving a width H1 at the lower end and at the lower portion. Attached to the ALC plate 32 with the width H2 remaining at the upper end, and continuously connected and attached between the vertical frames 34 attached above and below by the vertical frame 35 having the same shape including the position of the opening. To do. The left vertical frames 34 and 35 have the same structure.
Further, in the horizontal direction of the ALC plate 32, the horizontal frames 36 are attached to the upper and lower ends of the back surface side of the uppermost and lowermost ALC plates 32, respectively. At this time, the uppermost lower end side and the lowermost upper end side are attached so as to be flush with the end of the vertical frame 34.

An appropriate number of vertical frames 37 can be provided between the horizontal frames 36 of the ALC plate 32 for reinforcement.
A mounting jig 38 is attached to a place where the connecting portions of the vertical frames 34 and 35 and the horizontal frame 36 are orthogonal to each other. The mounting jig 38 is formed by a substantially L-shaped plate 39 and a rising piece 40 erected from the plate 39, and is attached to and detached from the vertical and horizontal frames 34, 35, 36 via bolt holes 41. Freely fixed. The mounting jig 38 is attached to the left vertical frames 34 and 35 in FIG.

The separated vertical frames 34 and 35 can be connected to each other by the mounting jig 38, and at the same time, also connected to the horizontal frame 36, which is equivalent to two ALC plates 32 with a reinforcing material made of a steel frame. Even with the large opening 33, the ALC plate 31 with a steel frame can be formed.
A window can be formed in the opening 33 by attaching a vertical and horizontal sash frame 42 to the opening 33 in advance.

  The steel frame-attached ALC plate 31 shown in Example 5 is attached as the curtain wall structure shown in FIGS. Since the vertical frame 35 is located in the opening 33 serving as a window, after the ALC plate 31 is attached to the building frame, the mounting jig 38 is removed and the vertical frame 35 is removed to remove the ALC plate 32. An outer wall with an opening having a window of a size corresponding to two sheets can be completed. The attachment jig 38 and the vertical frame 35 can be removed from the indoor side.

FIG. 6 shows another ALC plate 51 with a steel frame. The ALC plate 51 with a steel frame is formed as a unit by arranging two ALC plates 52 arranged in the vertical direction in the horizontal direction. Two vertical frames 53 are formed at the left and right ends and the center, and two horizontal frames 54 are formed at the upper and lower ends of the two vertically arranged frames.
A reinforcing plate 55 is formed at the contact point between the vertical frame 53 and the horizontal frame 54.
The vertical and horizontal frames 53 and 54 are fixed to the back side of the ALC plate 52 by mounting brackets 56.

  Using the ALC plate 51 with a steel frame having the structure of the seventh embodiment as an outer wall of a so-called spandrel straddling a beam located between the lower frame of the building window and the upper frame of the lower floor window. Can do. As shown in FIG. 7, as shown in FIG. 7, the primary beam 58 attached to the ALC plate 51 with a steel frame and the secondary fastener 59 fixed to the beam 57 are attached to the beam 57. To do.

It is a perspective view of the ALC plate with a steel frame used for the curtain wall structure of the present invention. It is sectional drawing of the vertical direction of the curtain wall structure of this invention. It is sectional drawing of the horizontal direction of the curtain wall structure of this invention. It is a reverse view of the other Example of the ALC plate with steel frames used for the curtain wall structure of this invention. It is a reverse view of the other Example of the ALC plate with steel frames used for the curtain wall structure of this invention. It is a reverse view of the other Example of the ALC plate with steel frames used for the curtain wall structure of this invention. It is the longitudinal cross-sectional view which attached the ALC plate with steel frames shown in FIG. 6 to the building frame.

Explanation of symbols

1, 21, 31, 51 ALC plate with steel frame 2, 22, 32, 52 ALC plate 3, 23, 34, 35, 37, 53 Vertical frame 4, 24, 36, 54 Horizontal frame 5, 25, 55 Reinforcement Plate 6, 26, 56 Mounting jig 7 Lifting jig 8 Convex 9 Concave 10 Caulking material 11 Finishing layer 12 Plate 13 Standing plate 14 Suspension tool 15, 58 Primary fastener 16, 57 Beam 17, 59 First Secondary fastener 18 Sealing material 27, 33 Opening 28 Opening reinforcement vertical frame 29, 42 Vertical / horizontal window sash frame 38 Mounting jig 39 Plate 40 Standing piece

Claims (6)

The back side of multiple ALC plates is fixed with vertical and horizontal steel frames, and joint processing between them is used as a main unit with one unit of ALC plate with steel frames. The vertical frames are the left and right edges of the ALC plate. The horizontal frame is provided as a vertical frame in the horizontal direction of at least the upper and lower ends of the ALC plate, and the main body is attached to a removable plate at the upper end of the vertical frame. A lifting jig for lifting is fixed, and a primary fastener for attaching the main body to the housing is fixed to the upper part or upper horizontal frame of the left and right vertical frames, and the lower part or lower part of the left and right vertical frames The other primary fastener for attaching the main body to the frame is fixed to the horizontal frame, while the upper and lower beams of the upper and lower outer beams constituting the frame of the frame are connected to the upper primary fastener. Second Attaching fasteners, building frame body by the lower outer beam mounting another secondary fastener which is connected to the primary fastener of the lower, connecting the primary fastener and the second fastener of the respective curtain wall structure according to a steel frame with ALC plate characterized by comprising attached to.   The curtain wall structure of the ALC plate with a steel frame according to claim 1, wherein a plurality of ALC plates are provided side by side in the vertical direction.   The curtain wall structure of the ALC plate with a steel frame according to claim 1, wherein a plurality of ALC plates are arranged side by side in the vertical direction and the horizontal direction.   4. The steel product according to claim 1, wherein among the plurality of ALC plates, all or a part of the central portion is an opening for attaching a window, and a sash frame is fixed to the opening. Curtain wall structure with ALC plate with frame. The back side of multiple ALC plates is fixed with vertical and horizontal steel frames, and joint processing between them is performed to form an ALC plate with a unit of steel frame as the main body. Left and right vertical frames are provided in the vertical direction of the left and right ends, and the horizontal frames are provided as upper and lower horizontal frames in the horizontal direction of at least the upper and lower ends of the ALC plate, and are attached to a removable plate at the upper end of the vertical frame. A primary fastener for attaching the main body to the housing is fixed to the upper part or the upper horizontal frame of the left and right vertical frames, and the lower part of the left and right vertical frames or the lower horizontal frame. Fixes other primary fasteners for attaching the main body to the housing, and on the other hand, the upper and outer beams of the upper and lower outer beams constituting the framework of the housing are connected to the upper primary fastener above. the zipper A second secondary fastener connected to the lower primary fastener is attached to the lower outer beam, the main body is lifted to a predetermined location using the lifting jig, and a first upper position is set. The main body is attached to the casing by connecting the secondary fastener to the secondary fastener of the upper outer beam of the casing and connecting the other primary fastener located below to the other secondary fastener of the lower outer beam. A method for constructing a curtain wall by using an ALC plate with a steel frame. Among the plurality of ALC plates, all or a part of the central portion is used as an opening for attaching a window, and the ALC plate with a steel frame in which a sash frame is fixed to the opening is used as one unit. The construction method of the curtain wall by the ALC plate with a steel frame of Claim 5.

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