JP3071666B2 - Method for forming pattern of concrete formwork mark and pattern forming tool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to the surface of a concrete frame in a building, a bridge, a dike or the like, or the surface of a building wall made of a lightweight cellular concrete (ALC) plate, an extruded plate, an iron plate, or the like. The present invention relates to a method for forming a pattern of a concrete form mark which forms a pattern similar to a form mark generated on the surface of exposed concrete, and a pattern forming tool therefor.

[0002]

2. Description of the Related Art Generally, the surface of concrete formed using a formwork, so-called exposed concrete, has a normal surface portion on which the pattern of the formwork is transferred, a junker (nest hole) portion, a cold joint portion, and a surface of the formwork. A defective surface portion such as a stepped portion, a distorted portion and the like are mixed. By the way, as a method of treating the above-mentioned defective surface portion, conventionally, the above-mentioned defective surface portion is filled with a mortar of the same material as the mortar used for the exposed concrete, and the surface is smoothed with an iron to make the same flat surface as the normal surface portion. I was trying to be. Further, when the surface of an outer wall formed of a lightweight cellular concrete (ALC) plate or an iron plate is exposed and treated to a surface similar to concrete, conventionally, the same material as mortar used for concrete exposed to the wall is used. Mortar was applied, or the same color as concrete was applied.

[0003]

The above-mentioned prior art can be made the same color as the exposed concrete, but since there is no pattern of the formwork, it is not possible to obtain a sense of unity with the exposed concrete, so that it cannot be used as a product. As value decreases,
There was a drawback that the film was easily peeled and the durability was poor. SUMMARY OF THE INVENTION An object of the present invention is to provide a new method for forming a pattern of a concrete formwork trace and a pattern forming tool therefor which have solved the above-mentioned disadvantages.

[0004]

Means for Solving the Problems The present invention is configured as follows to achieve the above object. That is, a liquid resin mortar prepared by mixing a predetermined pigment and a color substance into a substantially same color as the surface of the concrete body is applied to the surface to be processed to form an upper layer, and the pressing surface side of the main body formed into a predetermined shape Is provided with a pattern forming tool having an impregnating material, and impregnating the impregnating material of the pattern forming tool with a prepared resin liquid prepared to be substantially the same color as the pattern color of the traces of the concrete form, and using the pattern forming tool on the surface of the upper ground layer. After a predetermined pattern of a concrete formwork mark is formed, a transparent waterproof material is applied to cover the surface of the upper layer. In this case, there is provided a pattern forming tool formed by forming a ridge portion extending in the axial direction at a predetermined pitch in the circumferential direction on the outer peripheral portion while knitting into a tubular shape with a fibrous material having an impregnation function, The surface of the upper layer may be impregnated with a prepared resin liquid prepared to have substantially the same color as the pattern color of the concrete formwork, and may be moved linearly while pressing the surface of the upper layer to form a regular pattern on the surface of the upper layer. . Also,
The pattern forming tool is provided on one surface of an elongated plate-like base,
A sheet plate made of a soft resin having a wood grain pattern engraved on the surface is attached, and the surface of the sheet plate is covered with a thin cloth material. This pattern forming tool may be configured so that a felt is attached to one surface of a base made of foamed plastic.

[0005]

Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a concrete frame formed using a formwork. First, the surface (processed surface) 1a of the skeleton 1 is cleaned, and a junker (nest hole) portion, a cold joint portion, a stepped portion of a mold, generated on the surface 1a,
The base adjustment material 4 is filled in the defective portion 2 such as a media distortion portion to make it substantially flush with the surface 1a. The base adjustment material 4 is made of liquid acrylic resin, vinyl acetate copolymer resin, acrylic
A pigment of a predetermined color is mixed into a polymer dispersion such as a styrene copolymer resin, and an aggregate such as cement, sand, silica sand or the like is mixed into the polymer dispersion, and a relatively high color prepared by mixing with the surface 1a of the frame 1 is obtained. It is composed of a resin mortar having a viscosity, and in this example, is composed of NY-resin mortar (trade name of Nichie Yoshida Co., Ltd.)

Next, as shown in FIG. 2, an upper layer adjusting material is applied to the entire surface 1a of the frame 1 including the upper surface of the lower layer adjusting material 4 with an iron or the like to form an upper layer 5 having a predetermined thickness. ,
The pinholes 3 generated on the front surface 1a and the upper surface of the base adjustment material 4 are covered. The above-mentioned upper layer adjusting material, that is, upper layer 5
In the same manner as for the base adjustment material 4, a pigment of a predetermined color is mixed into a polymer dispersion such as a liquid acrylic resin, a vinyl acetate copolymer resin, or an acrylic / styrene copolymer resin, and cement, sand, or the like. Made of a relatively low-viscosity compounding resin mortar prepared by mixing aggregates such as silica sand and the like with the surface 1a of the frame 1 to have substantially the same color. In this example, NY-compounding resin / fabric adjusting material (Nichie Yoshida Co., Ltd.) Product name). The above-mentioned resin mortar may be changed to a pigment to set the ratio of white cement to Portland cement so that the surface mortar 1 has substantially the same color as the surface 1a.

Then, as shown in FIG. 3, after the upper layer 5 is hardened, a pattern 6a (plate pattern) as shown in FIG. A pattern of a mold frame), a pattern of a positive eye 6b (a pattern pattern of a real mold frame), or a spot-like pattern 6c (a pattern pattern of a resin-coated plywood frame) as shown in FIG. 8 is formed. The plate pattern 6a or the eye pattern 6b is formed by the plate pattern forming tool C1 or the eye pattern forming tool C2 shown in FIGS. That is, an elastic sheet 11 made of sponge is fixed to one surface of a base 10 made of a slender rectangular wooden board, and the elastic sheet 11 has a grain pattern such as a pattern 6a or a pattern 6b on the surface thereof. Soft silicon rubber sheet plate 1 engraved with 12a
2 is fixed, and the surface of the sheet plate 12 is covered with a thin cloth material (impregnating material) 13 such as gauze to form a sheet-like pattern forming tool C1 or a regular-eye pattern forming tool C2.

Then, a resin mixture prepared to be substantially the same color as the grain pattern of the surface of the concrete skeleton is applied to the cloth material 13 of the plate pattern forming tool C1 or the eye pattern forming tool C2 by means of a brush or the like to be impregnated. With the base 10 held, the woodgrain pattern 12a side is pressed against the surface of the upper layer 5 of the frame 1 described above, and the pattern of the traces of the wooden form, that is, the pattern 6a or Is formed.

When the above-mentioned plate-like pattern forming tool C1 or the eye-like pattern forming tool C2 is used, the elastic sheet 11 and the sheet
2 expands / contracts and bends in the thickness direction, and its grain pattern 12a
Is well adapted along the upper layer 5 of the skeleton 1, and the upper layer 5
The woodgrain pattern such as the board pattern 6a or the eye pattern 6b is clearly transferred to the surface of. The sheet plate 12 is formed as follows. That is, baking the surface of a plate having a grain or a hole, forming a template by brushing this surface to emboss the grain or the hole on the surface, and forming a female mold from the template, A release material is applied to the female mold plate, and then a liquid resin (silicone rubber) is poured into the female mold plate at a predetermined thickness, which is cured, and then is separated from the female mold plate to form the sheet plate 12.

As shown in FIG. 14, the eye-pattern forming tool C2 is formed by knitting a fibrous material and forming a ridge 15a extending in the axial direction on the periphery of the cylindrical main body 15 at a predetermined pitch in the circumferential direction. A pattern forming tool C2 ', for example, a pattern forming tool forming a wrist fitting portion of a rubber-knit glove,
2 ′ is impregnated with a prepared resin liquid prepared to be substantially the same color as the grain pattern of the surface of the concrete frame described above,
As shown in (1), by pressing the surface of the upper layer 5 and moving it linearly in the direction of the arrow (a), a vertical line pattern, that is, a pattern 6b very similar to the eye, is formed on the surface of the upper layer 5 You may make it. By doing so, the pattern 6b can be formed quickly.

Further, the pattern 6c of the spots described above is shown in FIG.
13 is formed by a dot pattern forming tool C3 shown in FIG. That is, a spot pattern forming tool C3 formed by forming a rectangular base 16 having a predetermined thickness from a foamed plastic material and fixing a felt (impregnating material) 17 made of synthetic fiber felt to one surface of the base 16 is provided. Provided, this pattern forming tool C3
The surface of the felt 17 is impregnated with a prepared resin liquid prepared in substantially the same color as the spot pattern on the surface of the concrete body, and is repeatedly pressed onto the surface of the upper layer 5 to form a speckled pattern on the surface of the upper layer 5. 6c, that is, a pattern of the trace of the resin mold is formed. When the spot pattern forming tool C3 is used, the spot pattern forming tool C3 is light in weight, the repetitive pressing on the upper layer 5 can be performed with little labor, and the spot pattern 6c on the surface of the upper layer 5 is formed. It can be easily formed.

Next, as shown in FIG. 4, a transparent waterproof material (trade name NY8080) is applied to the surface of the upper layer 5 to form a top coat 7, and the entire surface of the upper layer 5 is formed by the top coat 7. In other words, the entire surface of the pattern 6 is covered, thereby obtaining the product wall A having the pattern of the formwork of the exposed concrete.

FIGS. 5 and 6 show another embodiment. FIG.
In FIG. 6 and FIG. 6, B is an outer wall formed by abutting a number of rectangular ALC panels 20, and is formed as follows. That is, the end of each ALC panel 20 is recessed stepwise to form a groove 20a which is recessed in the abutting portion, that is, the seam portion in the thickness direction, and the backup material 21 and the polyurethane-based elastic sealing material are formed at the bottom of the groove 20a. 22
Fill. The backup material 21 is formed of a string of elastic resin and is interposed in the gap at the bottom of the groove 20a. Next, an elastic mortar 23 is provided on the upper surface of the elastic sealing material 22.
And the upper surface thereof is curved slightly lower (inward in the thickness direction) than the surface of each ALC panel 20. The elastic mortar 23 is obtained by mixing aggregates such as cement, silica sand, stone powder, and the like in a predetermined ratio into an acrylate copolymer resin system. In this example, NY-Elastic mortar (trade name) is used.

The surface of the elastic mortar 23 and each AL
Joint tape 24 is applied to the surface of the opposite edge of C panel 20.
Is fixed. The joint tape 24 is knitted in a band shape having a width of 50 to 100 mm with a fiber material rich in tension and flexibility.
The degree is fixed to the surface of the opposite edge portion of the ALC panel 20, and the middle portion in the width direction is fixed by curving downward along the surface of the elastic mortar 23.

Next, a permeable waterproof material (trade name NY8080 sealer) is applied to the upper surface of the joint tape 24 and the entire surface of each ALC panel 20, and then the same elastic mortar (resin mortar) as the elastic mortar 23 described above. Is mixed with a predetermined pigment, and a relatively high-viscosity primary adjusting material prepared to be substantially the same color as the surface of the concrete skeleton is applied with a trowel or the like to form an underlayer 25, which is then dried.
A predetermined pigment is mixed into the surface of the underlayer 25, and a low-viscosity secondary conditioning material (trade name: NY elastic filler) prepared to be substantially the same color as the surface of the concrete body is applied by a brush or the like to form the upper layer 26. Forming an outer wall B that seamlessly connects the ALC panels 20.

Next, on the surface of the outer wall B, using the pattern forming tool C in the same manner as described above, a plate pattern 6a, a positive pattern 6b as shown in FIG. After forming the pattern 6 such as the dot pattern 6c, a transparent waterproof material (trade name NY8080) is applied to the surface of the upper layer 26 to form a top coat 27, and the top coat 27 is formed by the top coat 27. , That is, the entire surface of the pattern 6.

According to the above embodiment, since the upper layer 5 (26) covering the surface to be treated is formed by the adjusting material in which the pigment is mixed into the resin mortar, the concrete diversified according to the molding conditions. The color can be easily adjusted to the color of the frame, and even if the substrate to be treated has a different coefficient of thermal expansion, such as concrete, lightweight cellular concrete (ACL), iron plate, etc., these climatic variations Smoothly follow the thermal deformation caused by the water, and do not peel off. Further, the pattern forming tool C is impregnated with a prepared resin liquid prepared in substantially the same color as the concrete body, and the pattern forming tool C forms a pattern 6 of a predetermined concrete formwork mark on the surface of the upper layer 5 (26). As a result, a color pattern corresponding to the diversified color of the concrete skeleton can be easily formed, and a pattern 6 having regularity is formed on the entire surface, thereby increasing the commercial value. In addition, since the surface is covered with the top coat 7, water does not enter from the outside, and deterioration, contamination, discoloration, and the like are prevented, and durability is increased.

Further, since the plate-like pattern forming device C1 or the eye-like pattern forming device C2 easily expands and contracts in the thickness direction,
Even if there are slight irregularities on the surface to be processed, the surface is smoothly adapted along with the irregularities, and the grain pattern such as the plate pattern 6a or the eye pattern 6b is clearly transferred. Further, since the spot pattern forming tool C3 is made of the foamed plastic material and the felt 17, the weight is reduced, the repetitive pressing on the upper layer 5 can be performed with little effort, and the spot pattern 6c on the surface of the upper layer 5 can be performed. Can be easily formed.

[0019]

As described above, the present invention provides a method for deteriorating concrete structures, lightweight cellular concrete (ALC) plates, extruded plates, iron plates, etc., the surface of walls of buildings, the surface of civil engineering structures, etc. The effect of being able to easily form the pattern of the concrete mold frame trace with less contamination, discoloration, etc. is obtained. Further, the pattern forming tool according to the present invention has an effect of being inexpensive and capable of easily and clearly forming the pattern of the concrete form mark.

[Brief description of the drawings]

FIG. 1 is an enlarged cross-sectional view of a concrete body according to the present invention, in which a defective surface portion is filled with a base adjustment material.

FIG. 2 is an enlarged sectional view showing a state in which an upper ground layer is formed on the surface of a concrete skeleton.

FIG. 3 is an enlarged cross-sectional view showing a state where a pattern is formed on an upper ground layer.

FIG. 4 is an enlarged sectional view showing a state in which a top coat is formed on an upper layer.

FIG. 5 is an enlarged cross-sectional view showing a state where a pattern is formed on an outer wall formed by the ALC panel.

FIG. 6 is an enlarged sectional view showing a state in which a top coat is formed on an outer wall formed by an ALC panel.

FIG. 7 is a front view of a grain pattern formed on the surface of the upper layer.

FIG. 8 is a front view of a dot pattern formed on the surface of the upper ground layer.

FIG. 9 is a front view of a grain pattern forming tool for forming a grain pattern.

FIG. 10 is a front view of a wood grain pattern forming tool that forms a pattern of a positive eye.

FIG. 11 is a sectional view taken along line XI-XI of FIG. 9;

FIG. 12 is a front view of a spot pattern forming tool that forms a spot pattern.

13 is a sectional view taken along the line XIII-XIII in FIG.

FIG. 14 is a perspective view showing another embodiment of a wood grain pattern forming tool for forming a pattern of a positive eye.

FIG. 15 is a perspective view showing a state in which a grain pattern is formed by a grain pattern forming tool according to another embodiment.

[Explanation of symbols]

 A Product wall 1 Concrete skeleton 1a Surface (surface to be treated) 2 Defect 3 Pinhole 4 Ground adjustment material 5 Upper layer (adjustment material) 6 Pattern 6a Pattern of board 6b Eye pattern 6c Spot pattern 7 Top coat C Wood grain pattern forming tool C1 Plate grain pattern forming tool C2 Eye pattern forming tool 10 Base 11 Elastic sheet 12 Sheet plate 12a Wood pattern 13 Cloth material 15 Main body 15a Ridge part C3 Spot pattern forming tool 16 Base 17 Felt B Outer wall 20 ALC Panel 20a Groove 21 Backup material 22 Sealing material 23 Elastic mortar 24 Joint tape 25 Base layer (base adjustment material) 26 Upper layer (upper adjustment material) 27 Top coat

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B05D 1/00-7/26 E04F 13/02 B05C 17/12

Claims (3)

(57) [Claims] 1. An upper layer is formed by applying a liquid resin mortar mixed with a predetermined pigment and color material and mixed in substantially the same color as the surface of a concrete body to a surface to be treated, and formed into a predetermined shape. A pattern forming tool having an impregnating material is provided on the pressing surface side, and the impregnating material of the pattern forming tool is impregnated with a prepared resin liquid prepared to be substantially the same color as the pattern color of the traces of the concrete formwork, and the upper ground layer is formed by the pattern forming tool. Forming a predetermined pattern of a concrete formwork mark on the surface of the above, and then applying a transparent waterproof material to cover the surface of the upper layer. 2. A pattern forming tool which is knitted into a tubular shape with a fiber material having an impregnation function and has an outer peripheral portion formed with ridges extending in an axial direction at a predetermined pitch in a circumferential direction. The portion is impregnated with a prepared resin liquid prepared to be substantially the same color as the pattern color of the concrete formwork, and while pressing the surface of the upper layer, is moved linearly to form a regular pattern on the surface of the upper layer. The method for forming a pattern on a trace of a concrete formwork according to claim 1. 3. A sheet plate made of a soft resin having a wood grain pattern engraved on one surface of an elongated plate-like base, and the surface of the sheet plate is covered with a thin cloth material. The pattern forming tool of the concrete form marks.