JP4418338B2 - Exterior wall panel joint structure - Google Patents

Description

  The present invention relates to an outer wall panel joint structure. More specifically, the present invention relates to an outer wall panel joining structure for joining an outer wall panel in a curtain wall structure building to a structural frame.

  Generally, in a building having a curtain wall structure, fasteners for the outer wall panel are used to fix the upper and lower parts of the outer wall panel and the joint of the upper and lower panels to a structural frame such as a beam. In the joining structure using these fasteners, as shown in FIG. 6, when the outer wall panel 102 is attached to the steel beam 101 with the fastener 103, inking of the fastener pedestal 104 and the pedestal support 105 is performed.

  At this time, it is necessary to perform work while referring to various drawings such as a panel pedestal mounting position diagram, a panel fastener position diagram, and a panel joint position diagram on the site, so there are many complications and the work can proceed smoothly. It can be difficult. In addition, due to the large number of processes, it is difficult to shorten the construction time, and if there is a deviation from the design position due to material torsion etc., it is necessary to correct the mounting position of the pedestal etc. There is also a problem that smooth execution of the work becomes more difficult.

  The present invention has been made in view of the problems of the prior art, and provides an outer wall panel joining structure for joining an outer wall panel to a structural housing that can reduce the number of steps and is easily corrected. The purpose is that.

The outer wall panel joining structure of the present invention is an outer wall panel joining structure for joining an outer wall panel to a structural housing using a fastener, and a fastener temporary fixing means provided on the fastener and a concrete stopper L provided on the housing side. A fastener attaching portion that is attached to a housing connecting portion of the fastener, and a holding portion that holds the L-shaped member so that the fastener can be temporarily fixed in and out. has, the holding portion, by adjusting the screwing amount of and out adjustment bolts between two parallel plate portions, that holds the L-shaped member while adjusting the out of the outer wall panel.

  In the outer wall panel joining structure of the present invention, it is preferable that the fastener includes a level adjusting bolt.

Moreover, in the outer wall panel joining structure of this invention, it is preferable that the axial part of a level adjustment bolt is penetrated by the fall prevention member arrange | positioned by the vertical board part of the L-shaped member.

  Furthermore, in the outer wall panel joining structure of the present invention, it is preferable that a cylindrical protrusion that engages with the shaft portion of the level adjusting bolt is provided on the horizontal portion of the L-shaped member.

  According to the present invention, it is possible to obtain an excellent effect that the number of steps can be reduced and an outer wall panel that can be easily modified as required can be provided.

  Hereinafter, although the present invention is explained based on an embodiment, referring to an accompanying drawing, the present invention is not limited only to this embodiment.

Embodiment 1
FIG. 1 is a partial sectional view showing an outer wall panel joint structure according to Embodiment 1 of the present invention.

  As shown in FIG. 1, the joint structure K is formed by joining lower and upper ends of the upper and lower outer wall panels 1, 1 to a steel beam 3 as a structural frame with a fastener 2. Here, the joining operation of the fastener 2 to the steel beam 3 is performed while temporarily fixing the fastener 2 to the steel beam 3 by the fastener temporary fixing means 4.

  The outer wall panel 1 includes a face material 1b whose surface is finished by a tile 1a, and a panel frame 1c attached to the back surface of the face material 1b. Here, joints (horizontal joints) between the face members 1b of the upper and lower outer wall panels 1 and 1 are water-stopped and wind-stopped by the rain barrier 1d and the wind barrier 1e.

  The fastener 2 includes a panel connection portion 2a connected to a connection fitting 1f at a lower end portion of the panel frame 1c of the upper outer wall panel 1 and a connection fitting 1g at an upper end portion of the panel frame 1c of the lower outer wall panel 1, and a level adjusting bolt 11 (Refer to FIG. 2 and FIG. 3), a metal fitting 12 (see FIG. 2) for preventing overturning, and a frame connection that is connected to the steel beam 3 via an L-shaped member that also serves as a concrete stopper, for example, an angle (hereinafter simply referred to as an angle) 13 The part 2b is formed integrally. Here, the panel connecting portion 2a is connected by the connecting bolt 2c so that the upper outer wall panel 1 can go in and out of the building.

  As shown in FIG. 3, the fastener temporary fixing means 4 temporarily fixes the fastener 2 to the housing connecting portion 2 b of the fastener 2 by welding and the fastener 2 to the angle 13 so that the outer wall panel 1 can be adjusted in and out. The angle holding portion 4b that holds the angle 13 is integrally formed.

  Here, the angle 13 is attached to the upper surface of the steel beam 3 by a factory or the like.

  Further, the angle holding portion 4b holds the angle 13 while adjusting the entrance / exit of the outer wall panel 1 by adjusting the screwing amount of the entrance / exit adjusting bolt 4e between the two parallel plate portions 4c, 4d. It is supposed to be.

  The level adjustment bolt 11 is screwed into a female screw hole 2d provided through the housing connecting portion 2b of the fastener 2 so as to advance and retreat in the vertical vertical direction, and a shaft tip end surface (lower end surface) is connected to the horizontal portion 13b of the angle 13. The fastener 2 is supported by an angle 13 so that the level can be adjusted.

  The fall prevention hardware 12 has a bolt insertion hole 12a through which the shaft portion of the level adjustment bolt 11 is inserted, and a vertical plate portion whose side end face is at an angle 13 in a state where the level adjustment bolt 11 is inserted into the bolt insertion hole 12a. This prevents the level adjustment bolt 11 from slipping sideways and prevents the level adjustment bolt 11 from falling. For this reason, the diameter of the bolt insertion hole 12 a is adjusted so as to have a clearance of about 0.5 mm with respect to the shaft portion of the level adjustment bolt 11.

  Hereinafter, the construction procedure of the outer wall panel joint structure K having such a configuration will be described.

  Procedure 1: Fastener 2 is put on lower outer wall panel 1 and lower outer wall panel 1 is installed at a predetermined position in this state. At this time, the lower outer wall panel 1 is suspended and supported by an upper structural frame by a crane (not shown) or appropriate means.

  Procedure 2: The fastener 2 is temporarily fixed to the angle 13 by the fastener temporary fixing means 4.

  Procedure 3: The level of the lower outer wall panel 1 is adjusted with the level adjusting bolt 11, and the lower outer wall panel 1 is set at a predetermined position while adjusting the entrance / exit of the lower outer wall panel 1 with the in / out adjusting bolt 4e.

  Procedure 4: When the adjustment in Procedure 3 is completed, the level adjustment bolt 11, the overturn prevention hardware 12 and the angle 13 are welded and fixed to each other.

  Procedure 5: The fastener temporary fixing means 4 is removed from the fastener 2 and reused.

  Procedure 6: Placing slab concrete to level L1 in FIG. 1 to completely fix all members.

  Hereinafter, after the upper outer wall panel 1 is set in the same manner, the connection fitting 1 f is joined to the fastener 2.

  As described above, in the joining structure K of the first embodiment, the fastener 2 is temporarily fixed to the angle 13 by the temporary fastener fixing means 4 and the lower outer wall panel 1 is used by using the level adjustment bolt 11 and the fall prevention hardware 12. The position and level are adjusted, and when all adjustments are completed, the fastener 2 is fixed to the angle 13, that is, the steel beam 3 by welding and concrete. Therefore, it is possible to join the lower outer wall panel 1 to the steel beam 3 with the fastener 2 without using a fastener base, a base holder or the like.

  For this reason, it is no longer necessary to mark the fastener pedestal and pedestal holder with reference to various design drawings, the number of processes can be reduced, the work period can be shortened, and the position and level of the lower outer wall panel 1 need to be adjusted. Even in such a case, correction can be performed relatively freely, and work efficiency can be improved.

Embodiment 2
The principal part of the joining structure of Embodiment 2 of this invention is shown in FIG. The second embodiment is a modification of the first embodiment. As an angle, an angle 13A having an engagement long hole 21 in the horizontal plate portion 13a with which the tip of the entrance / exit adjustment bolt 4e of the fastener temporary fixing means 4 is engaged is used. It is supposed to be. Thereby, the fixing degree at the time of temporarily fixing the fastener 2 by the fastener temporary fixing means 4 can be raised, ensuring the freedom degree of position adjustment of a horizontal direction.

  In the procedure 5, after fixing each member by welding, the fastener temporary fixing means 4 is removed from the fastener 2. In this case, the fastener temporary fixing means 4 is attached to the fastener 2 and the slab concrete is attached. It may be buried. Thereby, the load from the fastener 2 can be supported more firmly.

Embodiment 3
The principal part of the joining structure of Embodiment 3 of this invention is shown in FIG. The joint structure of the third embodiment is a modification of the first embodiment, and uses an angle 13B having a cylindrical protrusion 22 that engages with the shaft portion of the level adjusting bolt 11 in the horizontal portion 13b as an angle. It is said. Thereby, it becomes possible to hold | maintain the positional relationship of the fastener 2 and the angle 13B more appropriately.

  The present invention can be applied to various types of outer wall panels that are joined to the housing using fasteners.

It is a partial sectional view showing a schematic structure of an outer wall panel junction structure concerning Embodiment 1 of the present invention. It is the same figure as FIG. 1, and is a figure which changed the cutting position of the cross section. It is a perspective view of the junction structure. It is a principal part perspective view of the outer wall panel joining structure of Embodiment 2. FIG. It is a principal part perspective view of the outer wall panel joining structure of Embodiment 3. FIG. It is a perspective view which shows an example of the conventional outer wall panel junction structure.

Explanation of symbols

K joint structure 1 outer wall panel 2 fastener 3 steel beam 4 fastener temporary fixing means 4e access adjustment bolt 11 level adjustment bolt 12 fall prevention hardware

Claims (4)

An outer wall panel joining structure for joining an outer wall panel to a structural frame using a fastener,
A fastener temporary fixing means provided on the fastener, and a concrete stopper and L-shaped member provided on the housing side,
The fastener temporary fixing means has a fastener mounting portion that is attached to a housing connecting portion of the fastener, and a holding portion that holds the L-shaped member so as to temporarily fix the fastener in a freely adjustable manner .
The holding portion, by adjusting the screwing amount of and out adjustment bolts between two parallel plate portions, the outer wall characterized that you hold the L-shaped member while adjusting the out of the outer wall panel Panel joint structure. The outer wall panel joining structure according to claim 1, wherein the fastener is provided with a level adjusting bolt. 3. The outer wall panel joining structure according to claim 2, wherein the shaft portion of the level adjusting bolt is inserted through a fall prevention member disposed in the vertical plate portion of the L-shaped member. 3. The outer wall panel joining structure according to claim 2, wherein a cylindrical protrusion that engages with the shaft portion of the level adjusting bolt is provided on the horizontal portion of the L-shaped member.

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