JP2000212904A - Concrete block for road - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the appearance of a road and curb manufacturing and maintenance costs by manufacturing concrete blocks for roads by mixing cement, a pigment, aggregate and water and forming the mixture into a prescribed shape. SOLUTION: The concrete block 1a for roads is manufactured by mixing cement, a pigment, aggregate and water, or cement, a fluorescent pigment and water, or cement, a fluorescent pigment, glass powder, aggregate and water, and forming the mixture into a prescribed shape, thereby coloring concrete itself by a pigment. In other words, as the entire surface and the interior of the concrete block 1a are colored by a pigment or a fluorescent pigment, the need for paining the surface is eliminated. When the surface is damaged, as the colored internal concrete is exposed, appearance is not impaired so much. Therefore, the cost of manufacturing and maintaining the concrete block can be curbed and the appearance can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a concrete block for roads. "Concrete block for road" in the present specification including the claims,
A curb block disposed at the edge of a road or park or a block having a substantially L-shaped cross section that constitutes a shallow water channel (street or L-shaped groove) provided at the edge of a road or park for drainage of road surface Shall be.

[0002]

2. Description of the Related Art As concrete blocks for roads,
Conventionally, cement, aggregate and water are kneaded and formed into a predetermined shape, and a fluorescent paint is often applied or reflected on the surface of such a conventional concrete block for roads. A mirror is attached.

[0003]

However, the above-mentioned conventional concrete block for roads, which has a fluorescent paint applied on its surface or has a reflecting mirror, has the following problems.

(A) It is necessary to apply a fluorescent paint to the surface of a road concrete block or to attach a reflector to the surface of the block. Such an operation is cumbersome and results in increased costs.

(B) When the surface of the road concrete block is chipped, the concrete inside the block not coated with the fluorescent paint is exposed, which is not preferable in appearance.
In addition, the reflector attached to the surface of the road concrete block may fall off or be damaged.

The present invention has been made to solve the above-mentioned problems in the conventional road concrete block.

[0007]

In order to solve the above problems, the present invention provides the following concrete blocks for roads.

(1) A road concrete block formed by kneading cement, a pigment, an aggregate, and water to form a predetermined shape.

(2) A road concrete block formed by kneading cement, a fluorescent pigment, an aggregate, and water to form a predetermined shape.

(3) A road concrete block formed by kneading cement, fluorescent pigment, glass powder, aggregate, and water to form a predetermined shape.

[0011]

The concrete block for roads according to claim 1 is a concrete block for roads formed by kneading cement, pigment, aggregate and water into a predetermined shape. Is colored by a pigment. In other words, the road concrete block is colored not only on the surface but also on the inside. Therefore, the entire surface of the road concrete block is colored even if the surface is not coated with paint. That is,
No painting work is required for road concrete blocks. Further, even when the surface of the road concrete block is chipped, the internal concrete colored in the same color as the surface is exposed.

The road concrete block according to the first aspect of the present invention is manufactured by kneading cement, pigment, aggregate and water to form a predetermined shape, and is manufactured by a conventional road concrete block manufacturing apparatus. be able to.

Since the road concrete block according to the first aspect can be colored to a desired color by the color of the pigment used, when the road concrete block is disposed on a road, the road concrete block is not used. It can function as a sign or guide sign,
It will improve the beauty of the road.

[Claim 2] The concrete block for road according to claim 2 uses a fluorescent pigment as a pigment, and has the same function as the concrete block for road according to claim 1. Needless to say, in the road concrete block of claim 2, since the fluorescent pigment emits fluorescent light, it becomes a road sign or a guide sign that is more conspicuous and further improves the aesthetic appearance of the road.

The concrete block for road according to claim 3 is a concrete block for road according to claim 3 obtained by further mixing glass powder into the concrete block for road according to claim 2. Needless to say, the concrete block for roads according to claim 3 has the same effect as the concrete block for roads, but the glass powder reflects and shines, so that it becomes a road sign or information sign that is more conspicuous, and It will further enhance the aesthetics.

[0016]

Next, embodiments of the present invention will be described with reference to the accompanying drawings. The concrete block for roads 1 according to the present invention is obtained by kneading cement, pigment, aggregate and water to form a predetermined shape, and kneading cement, fluorescent pigment, aggregate and water to form a predetermined shape. Or kneaded cement, fluorescent pigment, glass powder, aggregate, and water to form a predetermined shape.

As the cement, for example, Portland cement is used. As the aggregate, for example, sand or gravel is used.

As the pigment, an inorganic pigment which is hardly discolored and is chemically stable is preferably used, but may be an organic pigment. Examples of various color pigments are given below. White pigment: Titanium dioxide, zinc white Black pigment: carbon black, graphite Yellow pigment: Yellow, red-mouthed yellow, medium yellow, iron oxide yellow Red pigment: Lead red, red, antimony red : Chromium oxide green, Guinea green, chrome green

The fluorescent pigment is obtained by dyeing a synthetic resin with a fluorescent organic dye as a solid solution. The dyes used for producing the fluorescent pigment are exemplified below. Blue-white: diaminoskerben Blue-green: Uranine Yellow: Thioflavin T Yellow-orange: Niosin Red: Rhodamine B

The pigment, the fluorescent pigment and the glass powder are used, for example, at a ratio of 2 parts by weight to about 500 parts by weight of cement.

The glass powder preferably has a particle size of about 0.5 mm.

Concrete block 1 for road shown in FIG.
a is a curb block disposed at the edge of the road 3. What is indicated by reference numeral 5 is a sidewalk.

FIG. 1 shows an example in which a road concrete block 1a as a curb block is disposed at the edge of a road 3. Road concrete block 1a in this case
Is a road sign or a guide sign (navigation means) for guiding a vehicle to a specific place.

Concrete block 1 for road shown in FIG.
Reference numeral b denotes a block having a substantially L-shaped cross section, which constitutes a shallow water channel (street or L-shaped groove) provided at the edge of the road 3 for draining the road surface.

FIG. 2 shows an example in which a road concrete block 1b as a block having a substantially L-shaped cross section is disposed at the edge of the road 3. The road concrete block 1b in this case also serves as, for example, a road sign or a guide sign (navigation means) for guiding the vehicle to a specific place.

[0026]

The concrete block for road according to claim 1 is a concrete block for road formed by kneading cement, pigment, aggregate and water to form a predetermined shape. The concrete itself is colored by the pigment. In other words, the road concrete block is colored not only on the surface but also on the inside. Therefore, the entire surface of the road concrete block is colored even if the surface is not coated with paint. That is, the painting work for the road concrete block is unnecessary. In addition, even when the surface of the road concrete block is chipped, the internal concrete colored in the same color as the surface is exposed, so that the inconvenience in appearance is small.

The concrete block for road according to claim 1 is formed by kneading cement, a pigment, an aggregate and water to form a predetermined shape, and is manufactured by a conventional apparatus for manufacturing a concrete block for road. be able to. Also, as described above, the painting operation is unnecessary, so that the cost required for producing the road concrete block according to claim 1 can be reduced.

The road concrete block according to the first aspect of the present invention can be colored to a desired color by the color of the pigment used. Therefore, when the road concrete block is disposed on a road, the road concrete block becomes a road concrete block. As described above, it exerts the effect as a sign or a guide sign and improves the beauty of the road.

[Road concrete block of claim 2] The road concrete block of claim 2 uses a fluorescent pigment as a pigment, and exhibits the same effect as the above-mentioned road concrete block of claim 1. Needless to say, in the road concrete block of claim 2, since the fluorescent pigment emits fluorescent light, the road concrete block becomes a more noticeable road sign or guide sign, further improving the aesthetic appearance of the road.

[Claim 3] The concrete block for road according to claim 3 is obtained by further mixing glass powder into the concrete block for road according to claim 2; Needless to say, the concrete block for roads according to claim 3 exhibits the same effect as the concrete block for roads, but the glass powder reflects and shines, so that it becomes a road sign or a guide sign that is more conspicuous. Will further enhance the aesthetics.

[Brief description of the drawings]

FIG. 1 is a plan view showing an example of a use state of a road concrete block according to the present invention.

FIG. 2 is a plan view showing an example of a use state of another road concrete block according to the present invention.

FIG. 3 is a sectional view showing an arrangement state of a road concrete block in FIG. 1;

FIG. 4 is a sectional view showing an arrangement state of a road concrete block in FIG. 2;

[Explanation of symbols]

 1 Concrete block for road 1a Concrete block for road 1b Concrete block for road 3 Road 5 Sidewalk

 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Isamu Okazaki 1428 Horinouchi, Fujieda-shi, Shizuoka F-term (reference) 2D051 AA07 AC05 AD01 AD02 AF01 AF02 AF06 DA01 DC03 2D064 AA04 BA05 CA06 DA00 EA03 EB31 JA01

Claims (3)

[Claims] 1. Kneading cement, pigment, aggregate and water,
A concrete block for roads formed in a predetermined shape. 2. A road concrete block formed by kneading cement, a fluorescent pigment, an aggregate, and water to form a predetermined shape. 3. A road concrete block formed by kneading cement, fluorescent pigment, glass powder, aggregate, and water to form a predetermined shape.