JP2002355807A - Good stickable concrete board and its manufacturing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a good stickable concrete board which is lightweight, firm and excellent in a sticking property and provide its manufacturing method. SOLUTION: A good stickable concrete board is equipped with a coarse particle layer comprising concrete wherein many lightweight aggregates are mixed onto a rear surface part. Its front surface part may be equipped with a minutely shaped relief. In order to manufacture that, cement mortar in which many lightweight aggregates are mixed is filled in a form (a female relief part may be equipped onto an inner surface of a bottom part). After curing by adding vibration, a concrete board cured product provided by being equipped with the coarse particle layer comprising the concrete in which many lightweight aggregates are mixed on the obtained rear surface part (or further a minutely shaped relief is equipped to the front surface part) is detached from the form.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a concrete plate laid on a floor or a wall of a building, and more particularly to a concrete plate with good adhesion and a method of manufacturing the same which are laid on the concrete plate.

[0002]

2. Description of the Related Art
Materials such as asphalt tiles, plastic tiles, rubber tiles, bricks, (natural) slabs, and interlocking blocks are used for floors and walls of buildings, particularly garage floors and ground surfaces in premises. ing. By laying materials such as asphalt tiles, plastic tiles, rubber tiles, bricks, (natural) slabs, and interlocking blocks on the garage floor and the ground surface within the premises, the garage floor and the ground The durability of the ground surface can be increased, dust can be prevented from being generated, and wheel slip can be reduced. The surface of the material is made glossy or variously processed to enhance the design.

[0003] Materials such as tiles such as asphalt tiles, plastic tiles and rubber tiles, bricks, (natural) slabs, and interlocking blocks, which are laid on the floor surface of a garage or the ground surface of a site, are generally the materials described above. The mortar, concrete, or the like is attached to the upper part of the concrete casting part formed at the lower part of the laying place. However, the adhesion of the tiles, bricks, stones, etc. by sticking with the mortar or concrete has a problem that the adhesiveness of the mortar or concrete with the back surface of the tiles, bricks, stones, etc. is weak, and the tiles come off after a long period of time. there were.
In addition, if the strength of the tiles, bricks, stones, and the like is weak, they will be damaged, causing damage to the vehicle,
In some cases, they got injured for reasons such as tripping.

[0004]

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and provides a good-adhesive concrete plate having the following structure and a method for producing the same. (1) A good-adhesion concrete plate comprising a coarse-grained layer made of concrete containing a large number of lightweight aggregates on the back surface. (2) A good-adhesive concrete board comprising a coarse-grained layer made of concrete containing a large number of lightweight aggregates on the back side and a precisely shaped relief on the front side. (3) The good sticking concrete plate according to (1) or (2), wherein the lightweight aggregate is expanded shale. (4) The mold is filled with cement mortar mixed with a large number of lightweight aggregates, hardened by applying vibration, and then obtained on the back side, is made of concrete mixed with a large number of lightweight aggregates. A method for producing a good-adhesive concrete block board, comprising removing a hardened concrete board provided with a coarse-grained layer from a formwork. (5) In a mold provided with a female relief on the bottom inner surface,
After filling with cement mortar mixed with a large number of lightweight aggregates, hardening by applying vibration, a coarse-grained layer made of concrete mixed with a large number of lightweight aggregates on the back part obtained from the same formwork A method of manufacturing a concrete block board with good adhesion, comprising removing a hardened concrete board having a precisely shaped relief on the surface. (6) The method for producing a good-adhesive concrete block plate according to (4) or (5), wherein the lightweight aggregate is expanded shale.

[0005]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of one example of the good sticking concrete plate of the present invention as viewed from the back side, and FIG. 2 is a perspective view of one example of the good sticking concrete plate of the present invention as viewed from the front side. . 3 to 9 are explanatory views of the method for producing a good-adhesive concrete plate of the present invention, and FIG. 10 is an explanatory view of a method for constructing a floor surface using the good-adhesive concrete plate of the present invention. It is. In the figure, reference numeral 1 denotes a good sticking concrete plate, 2
Is a back surface portion of the good-sticking concrete plate, 3 is a surface portion of the good-sticking concrete plate, 4 is a coarse-grained body layer made of concrete mixed with a large number of lightweight aggregates, 5 is a lightweight aggregate, 6
Is a precisely shaped relief. Reference numeral 7 denotes a mold having a female relief portion on the bottom inner surface, 7 'denotes a female relief portion, 8 denotes a cement mortar containing a large number of lightweight aggregates, 9 denotes a vibrator, and 10 denotes a mortar. , 11 are foundation concrete.

FIG. 1 is a perspective view of the good-adhesive concrete plate 1 of the present invention shown in FIG. 1 as viewed from the back side, and FIG. 2 is a perspective view of the good-adhesive concrete plate 1 of the present invention. As shown in a perspective view as viewed from the front side, a back surface portion 2 is provided with a coarse-grained material layer 4 made of concrete mixed with a large number of lightweight aggregates 5. The surface portion 3 of the good adhesive concrete plate 1 is provided with a relief 6 having a precise shape. The good-adhesive concrete plate 1 of the present invention can be formed in a square or rectangular shape.
The shape can be arbitrarily configured, such as a semicircular shape or a triangular shape, in accordance with the shape and environment of a building or a wall surface to be constructed by using the method, particularly a garage. And it is desirable that the size is such that one person or two people can carry and carry out the work, for example, 45 cm long and 45 cm wide.
For example, those having a square shape of m have good workability.

[0007] In addition, the concrete-bonding concrete board 1 of the present invention.
Is formed with the coarse-grained layer 4 made of concrete containing a large number of lightweight aggregates 5 on the back surface 2 as described above. Examples of the lightweight aggregate 5 constituting the good-sticking concrete board 1 include a heat-expanded body of a crushed material such as a vitreous raw material such as clay, shale, obsidian, and pearlite. The expanded shale obtained by firing and expanding the crushed material is light in weight and has high strength, and is particularly preferable as a material for the good sticking concrete plate 1 of the present invention. The coarse-grained body layer 4 made of concrete containing the lightweight aggregate 5 formed on the adhesive concrete board 1 is formed on the back surface 2 of the good adhesive concrete board 1. Since the lightweight aggregate 5 is formed on the back surface 2 of the good-sticking concrete board 1 in a state of being protruded (exposed) on the back surface 2, a part of the large number of lightweight aggregates 5 is formed. In the protruding state, the back surface portion 2 of the good adhesive concrete board 1 is formed. And, as described above, since the back surface portion 2 of the good-adhesive concrete plate 1 forms the coarse-grained body layer 4 in a state where a part of the large number of lightweight aggregates 5 protrudes and protrudes, the building In the construction of floors, etc., the surface area to be adhered to mortar or concrete increases. As a result, it is possible to obtain a structure that has high adhesiveness and is hard to peel off.

Further, a relief 6 having a precise shape is formed on the surface 3 of the good-sticking concrete board 1 of the present invention. The shape of the relief 6 is arbitrary, and is a concrete sticking concrete plate 1 such as a stone-like relief or a woodgrain relief.
The relief 6 can be freely formed in accordance with the location or environment in which a floor surface of a building or the like using the above is manufactured. By forming the relief 6 on the surface portion 3 of the good-sticking concrete board 1, the landscape is improved at the time of finishing the floor, and the floor is provided with a sense of quality and easy to harmonize with nature. be able to. In the case where the relief 6 is not required to be formed on the surface 3, the relief 6 may not be formed.

[0009] The good-adhesive concrete board 1 of the present invention is preferably formed by mixing, for example, cement with sand, lightweight aggregate and water. In addition, in order to prevent cracking and improve strength, an admixture such as an AE agent, a fluidizing agent for increasing fluidity, and the like, and a pigment for coloring the good-sticking concrete board 1 are added. You can also. Examples of the cement include ordinary Portland cement, early-strength Portland cement, moderate heat Portland cement, fly ash cement, and silica cement.
In addition, as a raw material of the lightweight aggregate, as described above, a vitreous raw material such as clay, shale, obsidian, and perlite may be used. In particular, the good-sticking concrete board 1 of the present invention can form the light-weight, strong, and high-sticking back surface portion 2 by using expanded shale as the lightweight aggregate.

[0010] In addition, the concrete sticking board 1 of the present invention has good adhesive properties.
As the raw material composition of the cement, the amount of cement is 500 to 100
0 kg / m ^3, sand 500~1000kg / m ^3, the water 1
00~200kg / m ^3, lightweight aggregate is 200~700k
g / m ^3, the pigment is 20~70kg / m ^3, the additive (admixture and fluidizing agent) is preferably constituted by 20~60kg / m ^3. For example, as shown in the following composition table, (Portland) cement 709 kg / m ³ , sand 723 kg / m ³ ,
Lightweight aggregate 437kg / m ^3, the pigment 48 kg / m ^3, the additive 43 kg / m ^3, were charged a kneaded product consisting of water 177 kg / m ³ into a mold and left from giving vibration to curing cured As a result, a large number of lightweight aggregates 5
It is possible to form a highly adherent concrete board 1 having a high adherence property and comprising the coarse-grained material layer 4 made of concrete containing the following. It is to be noted that, besides the above-mentioned materials and compositions, a coarse-grained material layer 4 made of concrete mixed with a large number of lightweight aggregates 5 can be formed on the back surface 2 and is a light and strong good-sticking concrete plate 1. The material and composition which can be formed can be appropriately adopted.

[0011]

[Table 1]

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Here, the concrete sticking board 1 of the present invention is shown.
An example of the manufacturing method will be described with reference to FIGS. First step: A mold 7 as shown in FIG. 3 is filled with a cement mortar 8 as shown in FIG. The mold frame 7 has a female relief portion 7 'formed on the inner surface of the bottom. Further, the cement mortar having the composition shown in Table 1 is used. In addition, the cement mortar may further include an admixture such as a resin-based or alkylbenzol-based AE agent for preventing cracking and improving strength, and a polyalkylalisulfonic acid for improving fluidity. A fluidizing agent such as a salt or a melamine resin sulfonate is added. In addition, the good adhesive concrete plate 1 to be manufactured
It is also preferable to add an appropriate pigment such as yellow or brown in accordance with the environment of the construction site in order to color the material. Second step: A vibrator 9 applies vibrations to a cement mortar 8 in which a large number of lightweight aggregates 5 and the like filled in the mold frame 7 in the previous step are mixed to form. The vibrator 9 is conventionally used for compacting concrete, and in order to make the concrete uniform and dense throughout the formwork, a commonly used bar-shaped vibrator (internal vibrator), A frame vibrator or the like can be used.

Third step: When vibration is applied to the cement mortar 8 filled in the mold 7 by the vibrator 9 in the previous second step, a number of cement mortars 8 mixed in the cement mortar 8 as shown in FIG. The lightweight aggregate 5 floats, the lightweight aggregate 5 is exposed above the cement mortar 8, and the coarse particle layer 4 is formed.
As shown in the composition example, the specific gravity of the lightweight aggregate 5 is lighter than the specific gravity of the cement, sand, and the like that constitute the good adhesive concrete plate 1 of the present invention. Therefore, the configuration is such that the lightweight aggregate 5 floats and partially protrudes. Fourth step: Then, after the cement mortar 8 on which the coarse-grained material layer 4 is formed is hardened, the hardened product of the cement mortar 8 (hardened concrete plate) is removed from the mold 7 as shown in FIG. FIG. 8 is an enlarged cross-sectional view of FIG. 7A. The coarse-grained material layer made of concrete having a large number of lightweight aggregates 5 mixed on the back surface 2 of the hardened cement mortar 8 (hardened concrete plate). 4 are formed. FIG. 9 is a cross-sectional view of the good adhesive concrete plate 1 of the present invention, which is a cured product of the cement mortar 8 removed from the formwork 7. The adherent concrete board 1 of the present invention has a coarse-grained material layer 4 made of concrete containing a large number of lightweight aggregates 5 formed on the back surface 2 of the adherent concrete board 1, Is formed with a precisely shaped relief 6 formed by a female relief portion 7 ′ provided in the mold frame 7.

FIG. 10 is an explanatory view of a method of constructing a floor surface using a good-adhesive concrete plate of the present invention. After the mortar 10 is applied on the foundation concrete 11 previously cast, By sticking the good-sticking concrete plate 1 thereon, the construction of the garage floor or the like is completed.

[0015]

As described above, according to the good-adhesive concrete plate and the method for producing the same provided in the present invention,
Since the concrete board has a coarse-grained layer made of concrete mixed with a large number of lightweight aggregates on the back side, it has a large surface area to be adhered and has good adhesion to mortar etc. An adhesive concrete plate can be provided. By constructing the floor surface of the garage, the ground surface in the site, and the like with the concrete plate of the present invention, the concrete plate can be prevented from being broken without falling off. In addition, the highly adhesive concrete plate of the present invention can be provided with a relief of a precise shape on the surface thereof, so that the floor surface of the garage or the ground surface in the site is highly designed and has a sense of quality. Can be finished. Furthermore, the good-sticking concrete board of the present invention is manufactured simply by filling a mortar containing light-weight aggregates in a mold, applying vibrations, and then curing the mortar. In addition, if a mold having a female relief portion on the inner surface of the bottom is used, a highly adherent concrete board having a precisely shaped relief and excellent resistance can be manufactured. And the good sticking concrete board of the present invention can provide a lightweight and high-strength one if it is made of expanded shale as a lightweight aggregate.

[Brief description of the drawings]

FIG. 1 is a perspective view of an example of a good sticking concrete plate of the present invention as viewed from the back side.

FIG. 2 is a perspective view of one example of a good sticking concrete plate of the present invention as viewed from the surface side.

FIG. 3 is an explanatory view of a method for producing a highly adherent concrete plate of the present invention.

FIG. 4 is an explanatory view of a method for producing a highly adherent concrete plate of the present invention.

FIG. 5 is an explanatory view of a method for producing a good sticking concrete plate of the present invention.

FIG. 6 is an explanatory view of a method for producing a highly adherent concrete plate of the present invention.

FIG. 7 is an explanatory view of the method for producing a good-adhesive concrete plate of the present invention.

FIG. 8 is an explanatory view of a method for producing a good sticking concrete plate of the present invention.

FIG. 9 is an explanatory view of the method for producing a highly adherent concrete plate of the present invention.

FIG. 10 is an explanatory view of a method for constructing a floor surface using a good-adhesive concrete plate of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Good-sticking concrete board 2 Back part of good-sticking concrete board 3 Surface part of good-sticking concrete board 4 Coarse-grain layer made of many lightweight aggregates 5 Light-weight aggregate 6 Relief of precise shape 7 Formwork with female relief on bottom inner surface 7 'Female relief 8 Cement mortar containing many lightweight aggregates 9 Vibrator 10 Mortar 11 Basic concrete

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) // (C04B 28/00 C04B 111: 40 14:12) 111: 50 111: 40 B28B 1/08 F 111 : 50 BF term (reference) 2E110 AA42 AA46 AB04 AB05 AB22 AB41 BA12 BA16 BC12 DC24 EA09 GB23W 4G012 PA02 PA04 PA06 PC02 PC03 PC11 PE04 4G053 AA17 BF02 EA03 EA34 EB06 EB19

Claims (6)

[Claims] 1. A good sticking concrete plate comprising a coarse particle layer made of concrete mixed with a large number of lightweight aggregates on a back surface thereof. 2. A good-adhesive concrete plate having a coarse-grained layer made of concrete mixed with a large number of lightweight aggregates on the back side and a precisely shaped relief on the front side. 3. The sticking concrete plate according to claim 1, wherein the lightweight aggregate is expanded shale. 4. A mold is filled with cement mortar mixed with a large number of lightweight aggregates, and is hardened by applying vibration.
A method of manufacturing a concrete block board with good adhesion, comprising: removing a hardened concrete plate provided with a coarse-grained layer made of concrete containing a large number of lightweight aggregates on a back surface of the obtained concrete block from a mold. 5. A mold provided with a female relief portion on the bottom inner surface is filled with cement mortar mixed with a large number of lightweight aggregates, and is hardened by applying vibration. Good adhesion characterized by removing the hardened concrete plate, which is provided with a coarse-grained layer made of concrete containing a large number of lightweight aggregates on the obtained back side and with a precisely shaped relief on the front side Method for producing functional concrete block board. 6. The method according to claim 4, wherein the lightweight aggregate is expanded shale.