JP3018259B2 - Exterior wall structure of building - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an outer wall of a building, and more particularly to a structure applied when an outer wall of a steel-framed building is to be stoned.

[0002]

2. Description of the Related Art As is well known, the exterior wall of a reinforced concrete building has been widely pasted with stone, but the exterior wall of a steel-framed building has been pasted with stone. It is not always common for the following reasons.

[0003]

That is, a steel-framed building undergoes greater deformation during an earthquake than a reinforced concrete building.
Large joints must be secured between stones as finishing materials to allow deformation during an earthquake, and horse joints, which are the most common and preferable form of joints for masonry (vertical joints are one step down) Joints that are shifted from each other)
Is difficult to form, resulting in unnatural stone splitting.

[0004] Nevertheless, when it is necessary to attach the outer wall of a steel-framed building to stone, for example,
When only the outer walls of an old building dismantled for rebuilding work are to be restored and preserved as the outer walls of a new building, the stone is directly attached to the steel frame base, and the precast concrete is driven into the stone. It is conceivable to adopt a method such as using the plate as the outer wall, or making only the part to be stuck to steel frame reinforced concrete with high rigidity, but in such cases, the strength and water stopping performance as the outer wall are respectively considered It is necessary to secure a large joint between the precast concrete slabs, which makes it impossible to divide the stones in the same way as described above. Therefore, it has been desired to provide an effective method that can be adapted to a steel-framed building.

[0005]

SUMMARY OF THE INVENTION The present invention relates to a structure of an outer wall in which stones as a finishing material are piled up along a surface of a precast concrete slab as a building so as to form a horseshoe joint. In the vicinity of the vertical joints of the precast concrete slab, the stone is stacked so as to straddle both precast concrete slabs so that the vertical joints of the stones and the vertical joints of the precast concrete slab do not overlap with each other, and It is characterized in that the stones are fixed only to one of the precast concrete slabs and can be displaced relative to the other precast concrete slab.

[0006]

According to the structure of the present invention, since the stones are piled up along the surface of the precast concrete slab, the optimum joints can be formed independently for both the precast concrete slab and the stone, and the vertical joints of the precast concrete slab can be formed. In the part, the masonry piled over both precast concrete slabs is fixed to only one precast concrete slab, so that the displacement of the precast concrete slab during an earthquake is not restrained by the masonry.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a partial plan cross-sectional view of the outer wall of a steel-framed building employing the structure of the present embodiment. FIG. 2 is a partial elevational view showing the appearance of the outer wall. A precast concrete plate (hereinafter, referred to as a PC plate) as a building body, and 3 is a stone material as a finishing material.

As shown in FIG. 4, the steel base material 1 includes a vertical member 5 provided between steel beams 4 and a horizontal member 6 provided between the vertical members 5.
As shown in FIG. 3, each of the PC plates 2 is fixed to the steel base material 1 and the beam 4 and is erected. Between the PC plates 2, a vertical joint 7 and a horizontal joint 8 of about 25 mm are secured as usual.

In the structure of this embodiment, the stones 3 are piled up along the surface of the PC plate 2 as shown in FIGS. 2 and 6, and the fastener 9 shown in FIGS. , 10 and 11 are fixed to the PC plate 2. The fastener 9 shown in FIG. 7 has a pin 14 projecting vertically at the tip of a bracket 13 attached to the PC plate 2.
The upper and lower stones 3 are connected by the pins 14 and are fixed at the same time. The fastener 10 shown in FIG. 8 is configured such that only the upper stone 3 is fixed by the pins 15 protruding upward. The fastener 11 shown in FIG. 9 in which the lower stone 3 is not restrained, and the fastener 11 shown in FIG. 9 is such that only the lower stone 3 is fixed by the pin 16 protruding downward so that the upper stone 3 is not restrained. It is. Reference numeral 17 in these figures denotes a gasket for temporary water stop interposed between the upper and lower stone materials 3.

The stones 3 are piled up so as to form a horseshoe joint having a width of about 8 mm as usual, and are fixed to the steel base material 1 at four points. As shown in FIG. 6, in the vicinity of the vertical joint 7 of the PC plate 2, in order to prevent the vertical joint 7 from overlapping with the vertical joint of the stone 3, the stone 3 is covered with the vertical joint 7.
That is, it is stacked so as to straddle both PC plates 2 forming the vertical joints 7. And those stones 3
The fasteners 9, 10, 11 shown in FIGS. 7 to 9 are fixed to only one of the PC plates 2 and are not fixed to the other precast concrete plate 2. Relative displacement with respect to the PC version 2 is possible.

That is, the stone materials 3 attached to the vertical joints 7 are fixed to the PC plate 2 by fasteners 9 as shown in FIG. Is connected to another stone 3 that has
The other end on the side is not fixed but is a free end, and is fixed to one PC plate 2 by fasteners 10 and 11 shown in FIG. 8 or 9 at a position immediately before the vertical joint 7. As a result, the other PC plate 2 and other stone materials 3 are not connected. As a result, the stone materials 3 stacked so as to straddle the vertical joints 7 are divided into right and left at a position of the horse joints 20 indicated by chain lines in FIG. It behaves together with version 2 and is not affected by the behavior of the other PC version 2 at all.

According to the outer wall having the above-described structure, the PC plate 2 attached to the steel frame base material 1 is
It is also possible to independently and independently secure sufficient and optimal joints for the stone 3 attached to the stone 3 to allow deformation during an earthquake. Since the layout is not restricted by the layout of the PC plate 2, it is possible to freely form the most natural and preferable horse joints, and it is possible to avoid design problems. Of course, the strength and waterproof performance of the outer wall can be sufficiently ensured by the PC plate 2, and the construction cost does not increase significantly as in the case of partially using steel-framed reinforced concrete. It is easily possible to make the outer wall of the building with stone finish.

The joint between the vertical member 5 and the horizontal member 6 constituting the steel base material 1 is in the form of a pin joint, and when an interlayer displacement occurs between the beams 4 during an earthquake, the steel base material is used. By deforming the material 1 so as to be inclined obliquely as shown in FIG. 5, the PC plate 2 attached to the steel frame base material 1 is made into a sway panel that works only in the horizontal direction without being lifted in the event of an earthquake. By doing so, the joint between the stones 3 is about 8 mm, but there is no vertical displacement of the PC plate 2, so that they do not collide with each other even during an earthquake. Reference numeral 21 in FIG. 5 denotes a fastener for attaching the PC plate 2 to the steel frame base material 1.

[0014]

As described in detail above, according to the present invention, stones are piled up so as to straddle the vertical joints of the precast concrete slab, and the stones are stacked on one of the precast concrete slabs. Only the precast concrete slab is fixed and can be relatively displaced with respect to the other precast concrete slab, so that sufficient joints can be secured independently for both the precast concrete slab and the stone material, and Is not restricted, so that the most natural and preferable joints can be formed, and the outer wall of a steel-frame building can be easily stoned.

[Brief description of the drawings]

FIG. 1 is a plan sectional view of an outer wall according to an embodiment of the present invention.

FIG. 2 is a partial elevational view of the outer wall.

FIG. 3 is an elevational view showing allocation of a precast concrete slab on the outer wall.

FIG. 4 is an elevation view showing a steel frame base material on the outer wall.

FIG. 5 is a diagram showing a state of deformation of the steel frame base material on the outer wall during an earthquake.

FIG. 6 is an elevation view showing a fixed state of a stone material on the outer wall.

FIG. 7 is an enlarged view of a fastener for attaching a stone material on the outer wall.

FIG. 8 is an enlarged view of a fastener for attaching a stone material on the outer wall.

FIG. 9 is an enlarged view of a fastener for attaching a stone material on the outer wall.

[Explanation of symbols]

 1 Steel frame base material 2 Precast concrete slab 3 Stone material 7 Vertical joints 9, 10, 11 Fasteners 14, 15, 16 pins.

Claims (1)

(57) [Claims] 1. A structure of an outer wall in which stone as a finishing material is piled up along a surface of a precast concrete slab as a building body so as to form a horseshoe joint, wherein a vertical joint of the precast concrete slab is provided. In the vicinity of the precast concrete slab, the stones are stacked so as to straddle both precast concrete slabs so that the vertical joints of the stones do not overlap with the vertical joints of the precast concrete slab. An outer wall structure for a building, characterized in that it is fixed only to a precast concrete slab and can be displaced relative to the other precast concrete slab.