JPH051453A - Composite prestressed concrete plate - Google Patents

Abstract

PURPOSE:To keep hard decorative material of the surface from flaking and to improve the design. CONSTITUTION:A heat insulating material B is interposed in the surface of a prestressed concrete plate as a main body, and blind nuts are installed on the back side where hollow holes exist of a hard decorative material A having many linear hollow holes. The hard decorative material A, a heat insulating material B and the main body C are united in a body through the blind nuts by a fixture. Thus, the PC plate is excellent in durability, earthquake resistance, heat insulation and design, and the hard decorative material of the surface can be kept from flaking.

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 heat insulating material and a hard decorative material are laid on the surface of a main PC board (precast concrete panel).

[0002]

2. Description of the Related Art Generally, in a composite PC board in which a hard decorative material such as a tile, a brick, a ceramic or a natural stone is attached to the surface of a PC board, which is a main body, these hard decorative materials are fixed with mortar as an adhesive. Ordinarily, the surface of a hard decorative material is perforated with a drill, etc., and it is usually attached to a PC board by punching with a fixing tool such as a screw.

[0003]

However, the composite PC board on which a hard decorative material is mounted with mortar has problems in durability and earthquake resistance, and may cause cracking or peel off from the PC board mainly composed of the hard decorative material. There was a drawback. Also,
With a composite PC board in which a hard cosmetic material is drilled and the fixing tool 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 fixing tool may be surface-coated. However, there was a defect such as lack of design.

[0004]

According to the present invention, a heat insulating material is interposed on the surface of a main PC board, a blind nut is mounted in a hollow hole of a hard decorative material, and an L-shaped anchor bolt or the like is inserted through the blind nut. Since it is a composite PC board that is equipped with a fixing tool and integrates a heat insulating material and a hard decorative material during curing of the main PC board, it has excellent durability, earthquake resistance, heat insulation, and designability, and has a hard surface. It proposes a composite PC board in which the decorative material does not fall off.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A composite PC according to the present invention will be described below with reference to the drawings.
A typical example of the plate will be described in detail. Figure 1 shows the composite P
It is explanatory drawing which shows C board, and consists of the hard decorative material A, the heat insulating material B, and the main body C.

The hard decorative material A is, for example, as shown in FIG.
The decorative surface 1, the back surface 2, the side walls 3, and the hollow holes 4 are formed in a honeycomb shape and are formed in a long plate shape. The hard decorative material A is a cement-based material, calcium carbonate-based material, calcium silicate-based material, ceramic-based material, wood chip cement-based material, magnesium carbonate-based material, or glass fiber, whiskers, aramid fiber, steel fiber, carbon fiber, various mineral fibers. , A mixture of various aggregates and the like, which is molded by extrusion molding, press molding, injection molding, a papermaking method, or various fibers are woven in a cross shape or a three-dimensional shape, which is impregnated with cement, clay or the like. It consists of a panel-shaped product that is steam-cured and fired.

A plurality of hollow holes 4 are formed along the longitudinal direction of the hard decorative material A. The hard decorative material A is formed into a honeycomb structure to save raw materials and reduce the weight.
The purpose is to allow uniform curing and curing. 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.

A blind nut 5 is mounted on the back surface 2 of the hard decorative material A in which the hollow holes 4 are present as shown in FIG. 3. For example, as shown in FIG. They are attached to each at a fixed pitch. In addition, this blind nut 5 is a fixture D described later.
As shown in FIG. 5, the hard cosmetic material A and the main body C are integrated so that the fixture D does not appear on the decorative surface 1 of the hard cosmetic material A at all, and the aesthetic appearance is impaired. There is no.

The heat insulating material B is at least adhered to the surface of the main body C described later, and is made of synthetic resin foam such as polyurethane foam, nurate foam, and phenol foam, gypsum board, glass wool, sheathing board, and calcium silicate board. It is made of an inorganic foam or the like and a composite material thereof, and functions as a heat insulating material, cushion material, sound insulating material, sound insulating material, fireproof material, fireproof material, waterproof material, and moistureproof material.

The main body C is, for example, as shown in FIG. 4, which is made by casting a raw material whose main component is concrete or mortar into a mold, and is normally cured, autoclaved, or steam-cured. (Not shown), a plurality of upper fixtures 6 and lower fixtures 7 made of L-shaped anchor bolts and the like are horizontally embedded, and as shown in the figure, a recess for saving raw materials and reducing the weight of the main body. 8 is formed.

Further, the hard decorative material A, the heat insulating material B and the main body C are integrally formed by an L-shaped anchor bolt as shown in FIG.
It is carried out by a fixture D made of steel, rebar or the like. That is, the heat insulating material B is adhered to the hard decorative material A with the fixing tool D previously attached via the blind nut 5, and the raw material of the main body C is integrated in a stage of being cured by being driven into the mold to form a composite PC board. To do. In addition, the fixture D attached to the blind nut 5 of the hard cosmetic material A is extended to the back side as it is to form upper and lower fixtures 6 and 7,
It can also be used in combination.

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. 6 to improve waterproofness and airtightness. is there.

Further, for connecting the composite PC boards to each other, as shown in FIG. 7, for example, an upper angle α ₁ and a lower angle α ₂ made of an L-shaped steel material are welded to a wall base α made of an H-shaped steel material, and a bolt is welded. And the like, and by fixing the upper mount 6 and the lower angle α _{2 of} the main body C, and the lower mount 7 and the upper angle α ₁ of the main body C with the fixture β such as a bolt. It is attached and connected to the wall base α. It should be noted that by forming free holes in the upper and lower angles α ₁ and α ₂ , adjustment of the level of the composite PC board, vertical,
It is possible to adjust the horizontal joint.

Further, the horizontal joints and vertical joints (not shown) formed by connecting the composite PC boards to each other vertically include 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, and a hard decorative material A as shown in FIGS. 8 (a) to 8 (e) can also be used. That is, FIG.
8B is a hard decorative material A in which the shape of the decorative surface 1 is deformed, FIG.
(C) to (e) are hard decorative materials A in which a concave portion is formed on the back surface and a heat insulating material B is lined in advance.

[0016]

As described above, according to the composite PC board of the present invention, the hard cosmetic material is attached to the main body by the fixing tool via the blind nut, so that it is fixed on the surface of the composite PC board. No appearance of the ingredients at all, resulting in a beautiful appearance. The hard decorative material is not damaged or damaged by hammering, etc. and is easy to install. Has excellent durability and earthquake resistance, and hard cosmetic material does not come off. The hard decorative material can be attached to the main body at any part of the back surface where the hollow holes of the hard decorative material exist. A composite PC board with improved heat insulation, 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 mounted state of a blind nut.

FIG. 4 is an explanatory diagram showing a main body used in FIG.

FIG. 5 is an explanatory diagram showing a state in which a hard decorative material, a heat insulating material, and a main body are integrated.

FIG. 6 is an explanatory view showing a state of processing of horizontal joints and vertical joints of the hard decorative material.

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

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

[Explanation of symbols]

 A hard decorative material B heat insulating material C main body D fixing tool 2 back surface 4 hollow hole 5 blind nut

Claims (1)

Claim: What is claimed is: 1. A surface of a PC plate, which is a main body formed by driving a raw material containing cement, mortar, or the like as a main component into a mold, is covered with a heat insulating material, and the surface of the heat insulating material is covered. A hard decorative material having a large number of linear hollow holes formed in parallel with each other is disposed inside, and a blind nut is attached to the back surface of the hard decorative material through the hollow holes. A composite PC board characterized in that a rigid decorative material is fixed to a PC board mainly composed of a fixing tool interposed therebetween.