JPH055336A - Composite pc panel - Google Patents

Abstract

PURPOSE:To improve decorative properties by a method wherein a rigid decorative material on a surface is prevented from peeling. CONSTITUTION:A rigid decorative material A is fixed on the surface of a PC plate being a main body B by means of mortar C serving as an adhesive. Since a dovetail groove is formed in the back of the rigid decorative material A, adhesion of the rigid decorative material A is reinforced by means of the mortar C through an anchor effect. Columnar mounting tool D are inserted in respective linear hollow holes 4 of the rigid decorative material A having a number of the hollow holes 4 and the rigid decorative material A is fixed to the main body B through a fixing tool. This constitution provides a composite PC panel which has excellent durability, earthquake resistance, and decorative properties and prevents peeling of the rigid decorative material A on a surface.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite PC board in which a hard decorative material is laid on the surface of a main PC board (precast concrete panel).

[0002]

2. Description of the Related Art In a composite PC board in which a hard decorative material such as a tile, a brick, a ceramic or a natural stone is generally attached to the surface of a PC board which is a main body, these hard decorative materials are simply fixed with mortar as an adhesive. Ordinarily, the surface of a hard decorative material is perforated with a drill or the like, and the brain is struck by a fixing tool such as an anchor and attached to a PC board.

[0003]

However, the composite PC board to which a hard decorative material is adhered with mortar has a problem in durability and earthquake resistance, which may cause cracking or peel off from the PC board mainly composed of the hard decorative material. There was a drawback. In addition, in a composite PC board in which a hard decorative material is drilled and the fixture is brain-stripped, the hard cosmetic material may be damaged by a hammer or the like that strikes the hard cosmetic material when attaching the hard cosmetic material, or the fixture may surface There was a defect that it appeared on the makeup surface and lacked design.

[0004]

The present invention is mainly a PC
By bonding a hard decorative material with a dovetail groove formed on the back side to the surface of the plate with mortar, the dovetail groove exerts an anchoring effect and strengthens the adhesiveness between the main body and the hard cosmetic material, By inserting a columnar fitting into the hollow hole of the material and fixing this fitting to the main body via a fixing tool such as an anchor bolt, the integration of the main body and the hard decorative material is further strengthened, and durability and earthquake resistance The present invention proposes a composite PC board which is excellent in heat insulation and design, and in which the hard decorative material on the surface does not come off.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical example of a composite PC board according to the present invention will be described in detail below with reference to the drawings. Figure 1 shows the above composite PC
It is an explanatory view showing a plate, and hard cosmetic material A and main body B are adhered and integrated by mortar C.

To further explain, the hard decorative material A is, for example, as shown in FIG. 2, a long plate-like member, which is composed of a decorative surface 1, a back surface 2 and a side wall 3, and has a straight hollow hole 4 inside. A large number of them are formed in parallel along the direction, and a dovetail groove 5 having a substantially concave cross section is formed on the back surface 2.

The hard decorative material A is a cement-based, calcium carbonate-based, calcium silicate-based, ceramic-based, wood chip cement-based, magnesium carbonate-based material, or glass fiber, whiskers, aramid fiber, steel fiber, carbon fiber, Extruded, press-molded, injection-molded, paper-formed, etc. molded with various mineral fibers and various aggregates mixed, or weaved various fibers in a cross shape, three-dimensional shape, cement, clay, etc. It is formed by impregnating and molding into a panel shape, and steam curing and firing.

The hollow holes 4 are for making the hard decorative material A into a honeycomb structure so as to save the raw material and reduce the weight, and to perform the curing and firing evenly. The hollow hole 4 may have any cross-sectional shape such as a square shape, a round shape, an elliptical shape, a triangular shape, a hexagonal shape, and an octagonal shape. Furthermore, the dovetail groove 5 exerts an anchoring effect that strengthens the adhesiveness between the mortar C and the hard decorative material A.

Main body B is, for example, as shown in FIG. 3, a material mainly composed of concrete and mortar, which has been subjected to normal curing, autoclave curing, and steam curing into a mold, and a reinforcing stud material (see FIG. (Not shown), a plurality of upper fixtures 6 and lower fixtures 7 made of L-shaped anchor bolts are horizontally embedded, and further, as shown in the figure, the raw material is saved on the back side and the weight of the main body is reduced. The concave portion 8 is formed for this purpose. Although not shown, a dovetail groove 5 having a substantially concave cross section may be formed on the surface side of the main body B to enhance the adhesiveness between the mortar C and the main body B.

Further, the hard decorative material A is attached to the main body B by inserting the attachment D into the hollow hole 4 as shown in FIG.
As shown in (4), it is fixed via a fixing tool β such as an anchor bolt. That is, the fixture D is made of, for example, a columnar steel material or an extruded material such as aluminum as shown in FIG.
A hole 9 is formed at a substantially central portion in the longitudinal direction. In this way, by attaching the hard decorative material A using the hollow holes 4, the adhesiveness between the main body B and the hard decorative material A is further strengthened, and the hard decorative material A is not directly fixed by the fixture β. It is intended to prevent damage to the hard decorative material A due to hammering or the like.

The horizontal joints and the vertical joints formed by the hard decorative materials A are filled with a backup material E and a caulking material F as shown in FIG. 4 to prevent the fixture D from being exposed to the outside. This is to prevent water absorption of the mortar C.

Further, as shown in FIG. 7, for example, the composite PC boards are connected to each other by an upper angle α ₁ and a lower angle α _{2 made} of L-shaped steel on a wall base α made of H-shaped steel.
Are fixed by welding, bolts, etc., and the upper mount 6 and the lower angle α _{2 of} the main body B and the lower mount 7 and the upper angle α of the main body B are fixed.
_By fixing ₁ with a fastener α ₃ such as a bolt. It is attached and connected to the wall base α. By forming free holes in the upper and lower angles α ₁ and α ₂ , it is possible to adjust the level of the composite PC board and adjust the vertical and horizontal joints.

In addition, horizontal joints and vertical joints (not shown) formed by connecting the composite PC boards to each other vertically are an annular gasket G and a fire resistant joint material H on the back side, and a backup material E and caulking on the front side. It is filled with the material F. Further, as a method of connecting the composite PC boards to each other, in addition to the method shown in FIG. 7, a known connection method such as a panel slab system or a curtain wall system can be adopted.

What has been described above is one embodiment of the composite PC board according to the present invention. The hard decorative material A as shown in FIGS. 8 (a) to 8 (f), FIGS. 9 (a) to 9 (d), FIG. 10 (a),
The fixture D as shown in (b) can also be used. That is, FIGS. 8A to 8D show a hard decorative material A in which the width and shape of the dovetail groove 5 are respectively deformed, and FIG.
A hard decorative material A having a male-female fitting structure in which a male portion 3a and a female portion 3b are formed on the upper side tongue piece 3c and the lower tongue piece 3 on the side wall 3 in FIG.
It is a hard decorative material A in which d is formed to have a conical structure.

9 (a) to 9 (c) show a fixture D having a modified shape, FIG. 9 (d) shows a fixture D in which the periphery of the fixture D is covered with a soft packing 10, and FIG. 10 (a). Is a fixture D formed by connecting two columnar steel materials in a substantially central portion to form an H shape, and FIG. 10 (b) is a U-shaped structure formed by connecting two columnar steel materials at one end. , A fixture D mainly used for attaching the hard decorative material A located at the left and right ends of the composite PC board. Although not shown, a plurality of dovetail grooves 5 are formed on the surface side of the main body B, and the mortar C is formed by the anchor effect.
It is also possible to strengthen the adhesiveness of the main body B.

[0016]

As described above, according to the composite PC board of the present invention, since the dovetail groove is formed on the back surface of the hard decorative material, the adhesion between the hard decorative material and the mortar is strengthened by the anchor effect. Furthermore, since the hard decorative material is doubly fixed to the mortar via the mounting device, the hard decorative material is not damaged or damaged by hammering, and can be easily attached.
Moreover, it has excellent durability and earthquake resistance, and the hard decorative material does not come off. Since the hard decorative material is attached by inserting the mounting tool into the hollow hole of the hard decorative material, any portion in the width direction of the hard decorative material can be fixed. Even if the hard cosmetic material is damaged, it can be reattached to the main body by using the attachment and can be easily replaced. No fixture appears on the surface of the composite PC board, resulting in a beautiful appearance. A composite PC board with improved durability, earthquake resistance, and design. There are features and effects.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a representative example of a composite PC board according to the present invention.

FIG. 2 is an explanatory view showing the hard decorative material used in FIG.

FIG. 3 is an explanatory diagram showing a main body used in FIG.

FIG. 4 is an explanatory view showing a mounting structure of a hard decorative material to a main body by a mounting tool.

FIG. 5 is an explanatory diagram showing an example of a fixture.

FIG. 6 is an explanatory view showing a mounting structure for a hard decorative material.

FIG. 7 is an explanatory diagram showing an example of upper and lower connections of a composite PC board.

FIG. 8 is an explanatory diagram showing another example of a hard decorative material.

FIG. 9 is an explanatory diagram showing another example of the fixture.

FIG. 10 is an explanatory diagram showing another example of the fixture.

[Explanation of symbols]

 A Hard cosmetic material B Main component C Mortar D Fixture 1 Decorative surface 2 Back surface 4 Hollow hole 5 Dovetail groove

Claims (1)

Claim: What is claimed is: 1. A large number of plate-like linear hollow holes are formed in parallel on the front surface side of the main PC board, and a dovetail groove having a substantially concave cross section is formed on the back surface side. Composite PC characterized in that the formed hard decorative material is arranged through mortar
Board.