JPS5817866Y2 - Metal exterior material mounting structure for buildings - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a structure for mounting metal exterior materials on steel-framed buildings, steel-framed concrete buildings, reinforced concrete buildings, and the like.

The metal exterior materials that cover the exterior surfaces of columns and beams in architectural structures expand and contract due to changes in temperature, etc., so conventionally, when attaching the exterior materials to the architectural structure using multiple mounting brackets,
Movable mounting brackets are used at all mounting points to freely support the exterior material in the longitudinal direction, and joints are provided between adjacent exterior materials to allow expansion and contraction of the exterior material.

However, it is difficult in actual installation work to tighten all movable mounting brackets to the same tightening torque. If it is larger than , the expansion and contraction of almost the entire length of the metal exterior material will appear as a change in the joint at one end of the exterior material, so the joint width is set large considering this point.

However, increasing the joint width between exterior materials is unfavorable for the appearance, and if the joint width changes significantly due to expansion and contraction of exterior materials, the joint material such as waterproof caulk filled in the joint gap may be damaged or prematurely damaged. Problems such as deterioration occur.

The object of this invention is to provide a structure for attaching metal exterior materials to buildings that advantageously solves the above-mentioned problems.

Next, this invention will be explained in detail using illustrated examples.

1 to 8 show a first embodiment of this invention, in which a large number of reinforcing ribs 6 extend in the width direction of the facing material on the back surface of a long facing material 5 having a flanged groove-shaped cross section. are integrally connected to each other at intervals in the longitudinal direction of the surface material, and a flange 7 is integrally connected to each reinforcing rib 6 to constitute the metal exterior material 1.

The metal exterior material 1 configured in this manner is arranged so as to extend opposite to the outer surfaces of the beams 8 and columns 9 in the building structure 2 made of steel-framed concrete or reinforced concrete, and extends in the longitudinal direction of the exterior material 1. One arm piece of an L-shaped steel mounting bracket 10 is in contact with the flange 7 located at or near the center of the flange 7 on both sides in the longitudinal direction, and the arm piece and the flange 7 are attached to each other. The fixed mounting bracket 3 is tightened by a bolt nut 11 passing through a circular hole, and the bolt nut 11 and the mounting bracket 10 constitute a fixed mounting bracket 3.

One arm piece of the mounting bracket 10 is fixed to the flange 7 of the exterior material 1 by welding as necessary, and the other arm piece of the mounting bracket 10 is fixed to the edge of the beam 8 or column 9. The central part of the exterior material 1 or its vicinity is moved in the longitudinal direction of the exterior material with respect to the building structure 2 by the fixing fittings 3. It is fixed so that it does not occur.

One arm piece of an L-shaped steel mounting bracket 13 is abutted on each of the flanges 7 on both sides in the longitudinal direction of the flange 7, which is located at a portion excluding the approximately central portion in the longitudinal direction of the exterior member 1, and A long hole 14 extending in the longitudinal direction of the exterior material is provided, and a bolt nut 15 passing through the long hole 14 and the circular hole of the flange 7 allows the arm piece and the flange 7 to be relatively aligned in the longitudinal direction of the exterior material. A movable fitting 4 is constituted by a fitting 13 having the elongated hole 14 and a bolt/nut 15 which are movably connected.

The other arm piece of the mounting bracket 13 is attached to the beam 8 or the pillar 9.
The movable mounting bracket 4 is used to attach the exterior material 1 to the building structure 2, and the movable mounting bracket 4 is used to attach the exterior material 1 to the building structure 2.
It is attached so that it can move in the longitudinal direction of the exterior material.

In the case of the first embodiment, approximately the central portion of the metal exterior material 1 in the longitudinal direction is fixed to the building structure 2 by the fixed mounting bracket 3, and the longitudinal direction of the metal exterior material 1 is Since the parts other than the central part are movably attached to the building structure 2 by movable mounting brackets 4 in the longitudinal direction of the exterior material, the amount of expansion and contraction of the half-length portion of the metal exterior material 1 is larger than the joint width. It will change.

FIG. 9 shows a second embodiment of this invention, in which two metal exterior materials 1 are arranged in series on the outer surface of a beam 8 of one span in a building structure, and each metal exterior material The material 1 is fixed to the beam 8 by means of fixing fittings 3 at the inner interval of the metal sheathing materials 1' that cover the pillars 9 on both sides, and the other parts of each metal sheathing material 1 are attached to the longitudinal direction of the sheathing material. It is attached to the beam 8 by movable mounting brackets 4 arranged at intervals in the direction, and joints of approximately equal width are provided between adjacent exterior members 1 and 1', and the width of each joint is approximately Expands and contracts evenly.

When implementing this invention, the fixed mounting bracket 3 and the movable mounting bracket 4 may have any structure other than those shown in the drawings.

According to this invention, at least one midpoint in the longitudinal direction of the metal exterior material 1 is fixed to the building structure 2 by the fixing fitting 3, and the fixed portion in the longitudinal direction of the exterior material 1 is fixed to the building structure 2. Since the parts to be removed are movably attached to the building structure 2 by the movable mounting brackets 4 in the longitudinal direction of the exterior material, it is possible to expand and contract a predetermined length of the metal exterior material 1 on both sides of the fixed part. Therefore, the amount of expansion and contraction due to thermal expansion and contraction of the metal exterior material 1 can be distributed almost equally to each joint, and therefore, considering the case where the end of the exterior material 1 is fixed to the building structure 2. There is no need to set the joint width large, and the joint width can be made smaller than when the end of the exterior material 1 is fixed to the building structure 2, so the appearance of the joint width can be improved. In addition, the amount of change in the joints due to expansion and contraction of the exterior material 1 due to temperature changes is also reduced to a certain degree, so effects such as prevention of damage and premature aging of the joint material filled in the joint gaps can be obtained.

[Brief explanation of the drawing]

The drawings show the first embodiment of this invention.
The figure is a front view showing the state in which metal exterior materials are attached to beams and columns in a building structure, Figure 2 is an enlarged sectional view taken along line A-A in Figure 1, and Figure 3 is a front view of the exterior material fixing attachment part. Fig. 4 is a vertical side view thereof, Fig. 5 is a sectional view taken along the line B-B in Fig. 3,
Fig. 6 is a front view of the exterior material movable mounting part, Fig. 7 is a vertical side view thereof, Fig. 8 is a cross-sectional view taken along the line C-C in Fig. 6, and Fig. 9 is the architecture of the second embodiment of this invention. FIG. 2 is a front view showing a structure for attaching a metal exterior material to an object. In the figure, 1 and 1' are metal exterior materials, 2 is a building structure, 3 is a fixed mounting bracket, 4 is a movable mounting bracket, 6 is a reinforcing rib, 7 is a flange, 8 is a beam, 9 is a column, and 10 is a The mounting fittings include a bolt nut 11, a steel locking fitting 12, a mounting fitting 13, a slotted hole 14, a bolt nut 15, and a steel locking fitting 16.

Claims (1)

[Scope of utility model registration request] In the mounting structure of the metal exterior material 1 to the building structure 2, at least one location in the longitudinal direction of the metal exterior material 1 is fixed to the building structure 2 by a fixed mounting bracket 3, and the metal exterior material 1 is A metal exterior material for a building, wherein a portion of the material 1 in the longitudinal direction other than the fixed portion is attached to the building structure 2 by a movable mounting bracket 4 so as to be movable in the longitudinal direction of the exterior material. Mounting structure.