JP6938069B1 - Material shade expression panel, its manufacturing method, and construction - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a material shading expression panel capable of freely expressing a pattern desired by a producer and a method for manufacturing the same. In the first casting (first casting step), a casting pipe is inserted into a filling hole, and concrete is cast from the top surface of a foundation 900 to a comb formwork and a lath formwork. Concrete is placed horizontally from the left end of the comb formwork and the lath formwork to the right side formwork, which are not provided with the comb formwork and the lath formwork. The comb formwork and lath formwork allow concrete to be cast along the pattern. After the completion of the first casting and the elapse of a predetermined time interval (predetermined period), the second and third castings are performed. After the completion of the third casting, the concrete is cured for a predetermined period, the formwork is removed, and the concrete surface is protected by polishing and / or resin coating, and then the material shading expression panel 100 is completed. [Selection diagram] Fig. 1

Description

The present invention relates to a panel that expresses a pattern by the shade of color of a material, a method of manufacturing the same, and a building.

Conventionally, the slurry of an inorganic binder is poured into a mold on which the surface pattern of wood is copied, the slurry is uniformly diffused in the mold, bubbles in the slurry are defoamed, and then a concrete panel base material is used. A coating layer of an inorganic binder is formed on the surface of the concrete panel material by placing it on the slurry and pressurizing it, and curing and curing the slurry in the pressurized state, and after the coating layer is cured, it is demolded. A concrete panel material having a wood grain surface and a method for producing the same are known, which obtains a panel material for construction having a wood grain surface by applying makeup to the surface of the coating layer (see Patent Document 1).

Japanese Unexamined Patent Publication No. 3-2450

However, the method of copying the surface pattern of wood to the formwork cannot freely express the pattern desired by the creator.

The present invention has been made in view of such a problem, and an object of the present invention is to obtain a material shading expression panel capable of freely expressing a pattern desired by a producer and a method for producing the same.

The method for manufacturing a material shading expression panel according to the first invention of the present application includes a rough portion forming step of forming a roughened first region on the surface of a first mold, and a first method of installing the first mold. In the formwork installation step of No. 1 and the second formwork installation step of installing the second formwork to form a casting space between the first area and the second formwork, and in the casting space. It is characterized by including a first placing step for placing a material and a second placing step for placing a material in a placing space after a lapse of a predetermined period from the completion of the first placing step. And.

It is preferable to further include a third formwork installation step for fixing the third formwork (lath) to the reinforcing bar so as to cover the first area from the first direction.

The third formwork has a third through hole penetrating in its thickness direction, and in the first casting step, the material is transferred to the casting position by a cylindrical tube penetrating the third through hole. It is preferable to be done.

It is preferable to further include a fourth formwork installation step of fixing the fourth formwork to the first formwork so as to cover the first area from the first direction, and the second formwork is the same. Further provided with a formwork removing step having a first through hole penetrating in the thickness direction and removing the fourth formwork through the first through hole after completing the first casting step. Is preferable.

It is preferable to further include a fifth formwork installation step of fixing the fifth formwork to the second formwork so as to cover the first area from the first direction, and the second formwork is the same. Further provided with a formwork removing step having a first through hole penetrating in the thickness direction and removing the fifth formwork through the first through hole after completing the first casting step. Is preferable.

The second formwork has a first through hole that penetrates in the thickness direction thereof, and after completing the first casting step, the fourth formwork and / or through the first through hole. A formwork removal step for removing the fifth formwork may be further provided.

The predetermined period is preferably a time interval such that moisture remains between the material previously placed and the mold.

The material is preferably concrete, mortar, and / or cement milk.

The material shading expression panel according to the second invention of the present application is characterized in that it is manufactured by the above-mentioned manufacturing method.

The construction according to the third invention of the present application is characterized by including a material shading expression panel manufactured by the above-mentioned manufacturing method.

It is preferable that the material shading expression panel has a pattern formed on the concrete surface and expressed by the color tone of the concrete itself.

The pattern is preferably represented by the shade of the concrete itself, which is made up of rough surfaces formed on the formwork.

The material shading expression panel is formed by stacking concrete in a plurality of times, and the pattern is preferably expressed by the shade of the concrete itself formed by setting the stacking interval to a predetermined time interval.

The structure preferably includes the material shading expression panel.

According to the present invention, there is provided a material shading expression panel capable of freely expressing a pattern desired by a producer, and a method for manufacturing the same.

It is the figure which looked at the material shading expression panel from the front. It is a bar arrangement diagram of the material shading expression panel. It is a front view of the reinforcing bar and the foundation of the material shading expression panel. It is the figure which looked at the 1st formwork to which the masking tape was attached seen from the painted surface. It is a figure which looked at the 1st formwork which formed the white region from the painted surface. It is the figure which looked at the 1st formwork which attached the comb formwork from the painted surface. It is a figure which shows the lath formwork, the filling hole, and the vertical lath attached to a reinforcing bar. It is a figure which shows the back formwork attached to the reinforcing bar. It is a figure which shows the Cremona rope attached to the back formwork. It is a figure which shows the formwork attached to a reinforcing bar. It is a figure which shows the white part, the comb formwork, the lath formwork, the filling hole, and the inspection hole when viewed from the front. It is a partial left side view when the front formwork and the back formwork are attached to the reinforcing bar. It is a partial plan view when the front formwork and the back formwork are attached to the reinforcing bar. It is a figure which showed the driving pipe. It is a figure which shows the situation of placing concrete using a hopper. It is the figure which looked at the material shading expression panel from the front. It is a figure which looked at the 1st formwork to which the pattern paper and the masking tape were attached as seen from the painted surface. It is the figure which looked at the 1st mold which the masking tape was attached and the white part was formed, from the painted surface. It is a figure which shows the white part, the comb formwork, the lath formwork, the filling hole, and the inspection hole when viewed from the front.

The material shading expression panel 100 according to the embodiment of the present invention and a method for manufacturing the same will be described with reference to FIGS. 1 to 15.

The material shading expression panel 100 includes civil engineering structures, building structures, outer walls, fences, etc. (
Hereinafter, it is a plate-shaped member made of reinforced concrete used as at least a part of a building. Hereinafter, when the material shading expression panel 100 is attached to the construction, the length along the vertical direction is the height, the length parallel to the outer wall surface of the construction and along the horizontal direction is the width, and the length is perpendicular to the outer wall surface of the construction. And the length along the horizontal direction is called the thickness.

Referring to FIGS. 1 and 2, the material shading expression panel 100 is composed of a plurality of vertical streaks 101 and horizontal streaks 102 arranged inside, and concrete 103 which is a material cast around the vertical streaks 101 and horizontal streaks 102. Mainly composed. For the vertical streaks 101 and the horizontal streaks 102, for example, D13 is used. As shown in FIG. 1, a pattern desired by the producer is expressed on the front surface of the material shading expression panel 100. The pattern shown in Fig. 1 is Mt. Fuji seen from the shore of Lake Kawaguchi. This pattern is formed on the surface of concrete only. The color of the concrete itself,
Differences in the distribution of cement hydrated products on the concrete surface are one of the factors that form the pattern.

Next, a method of manufacturing the material shading expression panel 100 will be described with reference to FIGS. 1 to 6.
First, a foundation 900 in which one end of the vertical bar 101 is embedded is prepared in advance, and the horizontal bar 102 is attached to the foundation 900 (see FIG. 3).

Next, the pattern 210 and the front form (first form) 220 are created. The paper pattern 210 is cut according to a line representing a pattern desired by the producer. In the present embodiment, a photograph taken on the shore of Lake Kawaguchi is subjected to image processing such as enlargement and / or flipping left and right, and paper is cut out along the contour lines of Mt. Fuji, the shore of Lake Kawaguchi, and the forest in front of Mt. Fuji. Creates a pattern 210. The front form 220 is a form provided on the front side of the material shading expression panel 100, and is a plate having a surface treatment such as a painted plywood having a thickness of about 12 mm that makes it difficult to absorb moisture. A pattern is formed on the painted surface of the front form 220. The method of forming a pattern on the painted surface of the front form 220 is called a rough portion forming step. Specifically, the pattern 210 is attached to the painted surface of the front form 220, and the masking tape 23 is attached along the outer edge or contour of the pattern 210.
Paste 0 (see Fig. 4) Next, the part of the pattern that you want to whiten (first area) 221
For example, use a No. 600 file to file and roughen the surface. Specifically, the surface is sanded to the extent that the gloss is lost and the concrete can be easily peeled off (see FIG. 5). By using the masking tape 230, the boundary between the portion to be roughened and the portion not to be roughened can be clarified. As a result, a pattern is formed on the painted surface of the front form 220.

Next, the comb formwork (fourth formwork) 240 is attached to the front formwork 220 using nails and / or screws. The method of attaching the comb formwork 240 to the front formwork 220 is called a fourth formwork installation step. The comb form 240 is a rectangular plate-shaped member having a thickness of about 50 mm, provided with a plurality of notches in the thickness direction, and is bendable along the longitudinal direction of the plate-shaped member. The comb formwork 240 is formed along the contour line formed on the front formwork 220, that is, the masking tape 2.
Along 30 it is attached to the front form 220. As a result, Mt. Fuji, the shore of Lake Kawaguchi,
The comb formwork 240 is attached to the front formwork 220 along the contour line of the forest in front of Mt. Fuji. Then, the masking tape 230 is peeled off. This completes the front formwork 220 (
(See FIG. 6). In the state where the front form 220 is attached to the vertical bars 101 and the horizontal bars 102, the comb form 240 covers the lower region (first region) from the vertically upper side (first direction). It is fixed to 220.

Next, the lath formwork (third formwork) 250 is attached to the vertical bars 101 and the horizontal bars 102. The method of attaching the lath formwork (third formwork) 250 to the vertical bars 101 and the horizontal bars 102 is called a third formwork installation step. The lath formwork 250 is made of a bendable metal net. First, vertical streak 1
The completed front form 220 is temporarily attached to the 01 and the horizontal bar 102. Then, along the comb form 240 attached to the front form 220, the vertical streaks 101 and the horizontal streaks 102 on the front side are formed.
The lath formwork 250 is attached between the vertical bar 101 and the horizontal bar 102 on the back surface side by using the lath base reinforcing bar 104 and the number wire described later. The lath formwork 250 is fixed to the reinforcing bar so as to cover the region below the lath formwork (first region) from vertically above (first direction). Then, a filling hole (third through hole) 251 penetrating in the vertical direction is provided at a predetermined position in the lath form 250 (see FIG. 7). The filling hole 251 is used when placing concrete, as will be described later.
Then, the front form 220 is removed from the vertical bars 101 and the horizontal bars 102.

Next, the back formwork (second formwork) 260 is created. The method of creating the back formwork (second formwork) 260 is called the fifth formwork installation step. The back formwork 260 is made of the same painted plywood as the front formwork 220. First, the vertical streaks 101 and the horizontal streaks 10 to which the lath formwork 250 is attached.
The back formwork 260 is temporarily attached to 2. Along the lath formwork 250, the Cremona rope (fifth formwork) 261 is attached using nails and / or screws or the like. Vertical streaks 101 and horizontal streaks 102
With the back formwork 260 attached to the back formwork 260, the Cremona rope 261 is fixed to the back formwork 260 so as to cover the area below it (first area) from vertically above (first direction). As the Cremona rope 261, for example, a rope having a diameter of about 36 mm is used. This will
Cremona rope 261 is attached to the back formwork 260 along the contour line formed on the front formwork 220, in other words, along the contour line of Mt. Fuji, the shore of Lake Kawaguchi, the forest in front of Mt. Fuji, etc. Is attached to the rear formwork 260. Then, an inspection hole (first through hole) 262 is provided at a predetermined position (see FIG. 8). The inspection hole 262 is used when placing concrete, as will be described later. As a result, the back form 260 is completed (see FIG. 9). Then, the back form 260 is removed from the vertical streaks 101 and the horizontal streaks 102.

Next, the front form 220 is attached to the vertical bars 101 and the horizontal bars 102. The method of attaching the front formwork 220 to the vertical bars 101 and the horizontal bars 102 is called a first formwork installation step. At this time,
It is confirmed that the distance between the front form 220 and the vertical streaks 101 and the horizontal streaks 102 is a predetermined cover thickness. The cover thickness is determined by the specifications of the building, etc. Similarly, the back formwork 260, the right side formwork (second formwork) 270, and the left side formwork (second formwork) 280 are attached to the vertical streaks 101 and the horizontal streaks 102 (see FIG. 10). The method of attaching the back formwork 260, the right side formwork 270, and the left side formwork 280 to the vertical streaks 101 and the horizontal streaks 102 is referred to as a second formwork installation step. As a result, the front formwork 220, the back formwork 260, the right side formwork 270, and the left side formwork 28
A space (casting space) is formed between 0 and the foundation 900.

FIG. 11 shows a white portion 221, a comb-shaped frame 240, a lath form 250, a filling hole 251 and an inspection hole 262 when viewed from the front. The white portion 221a represents the shore of Lake Kawaguchi, and the space between the white portion 221b and the white portion 221c represents the Kawaguchiko Bridge. The white portion 221d represents the edge of the forest in front of Mt. Fuji, and the white portion 221e represents the snow accumulated near the summit of Mt. Fuji. Comb formwork 24
The 0a and the lath formwork 250a draw a curve from the lower end of the white portion 221d along the edge of the forest in front of Mt. Fuji, and extend substantially linearly from the lower end of the edge of the forest to the right below the inspection hole 262a.
As will be described later, a piled surface of the concrete placed the first time and the concrete placed the second time is formed. The comb formwork 240b and the lath formwork 250b draw a curve along the edge near the top of the forest in front of Mt. Fuji, extend from the vicinity of the top of the forest along the edge of Mt. Fuji, and are placed for the second time as described later. Form a piled surface of the concrete that has been cast and the concrete that has been cast for the third time. The comb formwork 240b and the lath formwork 250b have a plurality of filling holes 251a to 251e.
Is provided, and as will be described later, it is used at the time of the second concrete placing. Filling hole 251
a is provided near the top of the forest in front of Mt. Fuji, the filling hole 251b is provided on the left slope near the top of Mt. Fuji, the filling hole 251c is provided at the top of Mt. Fuji, and the filling hole 251d is near the top of Mt. Fuji. It is provided on the right slope, and the filling hole 251e is provided below the right slope of Mt. Fuji. Further, near the center of the comb form 240a and the lath form 250a, the vertical lath 252a is below the inspection hole 262a, the vertical lath 252b is to the right of the filling hole 251b, and the vertical lath 252b is to the left of the filling hole 251d. Lath 252d, vertical lath 252e to the left of the filling hole 251e, lath formwork 250a, 2
It is provided so as to extend downward from each gravity from 50b. As will be described later, these allow concrete to be cast without bias.

In the back form 260, an inspection hole 262a opens through the center of the comb form 240a and the lath form 250a, and an inspection hole 262b opens through the right upper side of the comb form 240a and the lath form 250a. Then, in the upper left of the comb formwork 240a and the lath formwork 250a, the inspection hole 26
2c has a through opening, and an inspection hole 262d has a through opening above the left side of the comb formwork 240b and the lath formwork 250b and below the left slope of Mt. Fuji, and above the left side of the comb formwork 240b and the lath formwork 250b. An inspection hole 262e opens through the upper left slope of Mt. Fuji, and an inspection hole 262f opens through the upper right of the center of the comb formwork 240b and the lath formwork 250b and at the upper right of the top of Mt. Fuji. An inspection hole 262g opens through the right upper side of the 240b and the lath formwork 250b and above the right slope of Mt. Fuji. As will be described later, the comb formwork 240 and the Cremona rope 261 are removed through these.

FIG. 12 shows a partial left side view when the front form 220 and the back form 260 are attached to the vertical bars 101 and the horizontal bars 102, and FIG. 13 shows the front form 220 and the back of the vertical bars 101 and the horizontal bars 102. A partial plan view when the formwork 260 is attached is shown. The front formwork 220 has a width of about 50.
The mm comb formwork 240 is screwed with tapping screws 241. Then, the lath base reinforcing bar 10 so as to straddle the two vertical bars 101, that is, to extend from the front to the back.
4 is fixed to two vertical bars 101 using a binding metal fitting 105. For the lath base reinforcing bar 104, for example, D10 is used, and the back formwork 2 is used from a position about 50 mm away from the front formwork 220.
It extends from 60 to a position about 35 mm apart. As a result, a cover thickness of about 50 mm can be secured on the front surface of the material shading expression panel 100, and a cover thickness of about 35 mm can be secured on the back surface. By ensuring the cover thickness, the material shading expression panel 100 can be used as a structural member that bears a load in a building. The lath formwork 250 is about 10 on the front formwork 220.
It is fixed below the lath base reinforcing bar 104 by using a number wire or the like so as to extend from the position where the lath base reinforcement 104 overlaps to the back side end portion of the lath base reinforcing bar 104. Tapping screw 263 on the back form 260
The Cremona rope 261 is fixed using. The front side end portion of the Cremona rope 261 is a position substantially in contact with the back side end portion of the lath base reinforcing bar 104.

Next, concrete is cast using the hopper 300. With reference to FIG. 14, a steel driving pipe 310 attached to the tip of the hopper 300 is shown. The casting pipe 310 mainly includes a funnel portion 311 that receives concrete from the hopper 300 and a cylindrical pipe 312 that extends downward from the funnel portion 311. The outer diameter of the cylindrical tube 312 is long enough to be inserted into the filling hole 251.

Referring to FIG. 15, a hopper 300 having a casting pipe 310 attached to its tip is formed between the front form 220, the back form 260, the right side form 270, the left side form 280, and the foundation 900. It is inserted into the space (casting space), the tip of the cylindrical pipe 312 is placed at the casting position, the concrete is transferred to the casting position using the cylindrical pipe 312, and the concrete is cast.

A method of placing concrete will be described with reference to FIG. The placement is divided into three times.

In the first casting (first casting step), the casting pipe 310 is inserted into the filling hole 251a, and concrete is poured from the top surface of the foundation 900 to the comb form 240a and the lath form 250a. Concrete is placed horizontally from the left end of the comb formwork 240a and the lath formwork 250a to the right side formwork 270, which are not provided with the comb formwork 240a and the lath formwork 250a.
With the comb formwork 240a and the lath formwork 250a, concrete can be cast along the pattern. Simultaneously with and / or after placing, a vibrator (not shown) is inserted from above or into the concrete placed through the inspection hole 262 to vibrate and compact. Then, when the cast concrete is in a state where the shape can be maintained, the comb form 240a and the cremona rope 261 attached to the corresponding positions are removed from the inspection hole 262. This removal method is called the formwork removal step. After that, inspection holes 262a, 262
Close b and 262c. Then, the first casting is completed. After that, after a predetermined time interval (predetermined period) has elapsed, the second casting is performed.

Generally, when concrete is cast in a plurality of times, it is determined by, for example, JASS5 so that the piled surface of the concrete cast last time and the concrete cast next time is integrated and a cold joint is not formed. Place the next concrete within the longest interval. In the present embodiment, the next concrete is cast at a time interval suitable for a desired pattern density while being within this maximum time interval. For example, if this time interval is lengthened, the blackness tends to be darkened, and if it is shortened, the blackness tends to be lightened. Concrete contains water, and this water reacts with the cement component to hydrate and harden the concrete, so the water content in the concrete decreases as the concrete hardens. The time interval in the present embodiment is such that moisture remains between the concrete placed last time and the front form 220.

In the second casting (second casting step), the filling holes 251b, 251c, 251d,
The placing pipes 310 are inserted into 251e in an appropriate order, and concrete is placed from the top surface of the concrete placed in the first time to the comb formwork 240b and the lath formwork 250b. Comb formwork 240
With b and the lath formwork 250b, concrete can be cast along the pattern. Simultaneously with and / or after the placement, a vibrator (not shown) is inserted into the placed concrete through the filling holes 251b, 251c, 251d, 251e or the inspection hole 262 to vibrate and compact the concrete. The concrete falls along the vertical lath 252b, the vertical lath 252d, and the vertical lath 252e, and is cast without bias. Then, when the cast concrete is in a state where the shape can be maintained, the comb form 240a and the cremona rope 261 attached to the corresponding positions are removed from the inspection hole 262. This removal method is called the formwork removal step. After that, the inspection holes 262d, 262e, 262f, and 262g are closed.
Then, the second casting is completed. After that, after the above-mentioned time interval has elapsed, the third casting is performed.

In the third casting, the hopper 300 is installed from above the formwork, and the concrete is cast from the top surface of the concrete cast in the second casting to the top end of the formwork. Simultaneously with and / or after placing, a vibrator (not shown) is inserted into the placed concrete from above the formwork to give vibration and compaction. Then, after curing the concrete for a predetermined period of time, the formwork is removed, and the concrete surface is protected by polishing and / or resin coating or the like, and then the material shading expression panel 100 is completed.

In this way, when the next concrete is placed at intervals such that moisture remains between the concrete placed last time and the front form 220, the concrete placed last time and the front form 22 are placed.
The liquid containing the cement component in the concrete to be cast next time will be transmitted through the moisture between 0 and 0.
It penetrates between the concrete placed last time and the front formwork 220. Here, the liquid containing the cement component in the concrete cast next time tends to be difficult to infiltrate into the white portion 221 located in the concrete layer cast last time. This is because painted plywood does not absorb moisture by painting and tends to retain moisture between it and concrete, but since the white part 221 is roughened by scouring, it absorbs some moisture and concrete. It tends to be difficult to retain water between and. Therefore, the liquid containing the cement component cannot transmit the water between the concrete placed last time and the front form 220, and the liquid does not easily penetrate into the white portion 221.
Or it becomes difficult to be held. In general, parts containing a large amount of cement components tend to appear black. Therefore, when the concrete solidifies in a state where the liquid flows to the portion other than the white portion 221, the density of the cement hydrate becomes higher than that of the white portion 221 in the portion other than the white portion 221. 221 becomes relatively white. in this way,
Placing the next concrete at a time interval such that moisture remains between the concrete placed last time and the front formwork 220 is called piling, and this time interval is called a piling interval.

As a result, the white portion 221 can be made white and the other portion can be made black, and the outlines of the edge of Mt. Fuji, the shore of Lake Kawaguchi, the forest in front of Mt. Fuji, the Kawaguchiko Bridge, etc. can be drawn in black. That is, the pattern is expressed on the concrete surface by the color of the concrete itself. In other words, the pattern is represented by the shade of the concrete itself, which is formed using the rough surface formed on the formwork.

Next, a method of manufacturing the material shading expression panel 400 will be described with reference to FIGS. 16 to 19. The material shading expression panel 400 has a different pattern from the material shading expression panel 100, and has the same other configurations. Hereinafter, the same components as those of the material shading expression panel 100 will be designated by the same reference numerals and description thereof will be omitted.

The paper pattern 210 and the front formwork (first formwork) 420 will be described. The paper pattern 210 is enlarged and /
Alternatively, the paper pattern 210 is created by performing image processing such as left-right reversal and cutting out the paper along the outer edge and pattern of the orca and the contour line such as the water surface. A paper pattern 210 is attached to the painted surface of the front formwork 420, and masking tape 230 is attached along the outer edge or contour line of the paper pattern 210.
(See Fig. 17) Next, the part of the pattern that you want to whiten (first area) 421
For example, use a No. 600 file to file and roughen the surface. Masking tape 23
By using 0, the boundary between the part to be disturbed and the part not to be disturbed can be clarified. The white portion 421 is the lower surface of the head of the orca, the area around the eyes, the rear part of the back surface, the outer periphery of the contour of the orca, and the like. By roughening the outer circumference of the outline of the orca, the outline of the orca becomes black and is emphasized as described above. As a result, a pattern is formed on the painted surface of the front form 420.

The method of attaching the comb formwork (fourth formwork) 240 to the front formwork 420 is the same as that of the material shading expression panel 100, and thus the description thereof will be omitted. The comb formwork 240 attaches the comb formwork 240 to the front formwork 420 along the outer edges and patterns of the orca, as well as contour lines such as the water surface. As a result, the front form 420 is completed.

FIG. 19 shows a white portion 221, a comb-shaped frame 240, a lath form 250, a filling hole 251 and an inspection hole 262 when viewed from the front. The white portion 221f and 221g represent the sea surface, and the white portion 221k represents the outer circumference of the outline of the orca. The white portion 221h represents the pattern on the ventral surface of the orca, the white portion 221i represents the pattern on the lower surface of the head of the orca, the white portion 221l represents the pattern around the eyes of the orca, and the white portion 221j represents the pattern on the back surface of the orca. Represents.

The comb formwork 240c and the lath formwork 250c extend linearly to the left from the left tip of the tail of the left orca, while extending to the right along the back of the orca. Then, the tip of the head of the left orca is connected to the rear part of the back of the right orca, and extends along the back of the right orca. It extends linearly to the right from the tip of the head of the orca on the right side. Comb formwork 240c and lath formwork 250c
Formes a piled surface of concrete placed for the second time and concrete placed for the third time. The piled surface of the concrete placed for the first time and the concrete placed for the second time is between the white portion 221 g and the inspection holes 262h and 262i. Since this stacking surface is horizontal, the comb formwork 240 and the lath formwork 250 are not required.

The filling hole 251j is provided near the rear end of the dorsal fin of the left orca, the filling hole 251k is provided near the center of the back surface of the left orca, and the filling hole 251l is provided near the dorsal fin of the right orca and is filled. The hole 251 m is provided in the head of the right orca. Also, the filling hole 251
A vertical lath 252j is on the right side of j, and a vertical lath 252m is on the left side of the filling hole 251m.
It is provided so as to extend downward from gravity from 50c and 250d, respectively. As will be described later, these allow concrete to be cast without bias.

In the back form, an inspection hole 262j opens through near the top of the dorsal fin of the left side of the orca, an inspection hole 262k opens through near the center of the back of the left side of the orca, and an inspection hole 262l opens near the rear of the dorsal fin of the right side of the orca. A through opening is made, and an inspection hole 262 m is opened above the head of the right side of the orca.

Using the front formwork 420 and the back formwork created as described above, concrete is cast by the same method as the material shading expression panel 100. As a result, the material shading expression panel 200 having a pattern of two orca bouncing from the water surface is created.

According to the present embodiment, a material shading expression panel capable of freely expressing a pattern desired by a producer and a method for manufacturing the same are provided.

In addition, a pattern expressed by the color of the concrete itself can be formed on the concrete surface.

The comb formwork 240, the lath formwork 250, and the Cremona rope 261 are not limited to those described above, and other flexible materials may be used, and the right side formwork 270 and / or the left side surface may be used. It may be provided on the formwork 280.

Although the material shading expression panels 100 and 200 have been described as being constructed on the prefabricated foundation 900, the foundation 900 is not essential in the present invention and may be provided as a part of the building.

The concrete surface does not have to be protected, and the protective treatment is not limited to polishing and / or resin coating.

Although the configuration using concrete has been described, mortar and / or cement milk may be used instead of or in combination with concrete.

The size and number of each member shown in the present specification and the drawings are examples, and are not limited to these sizes and numbers. Moreover, the material of each member is an example, and is not limited to these materials.

Although embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art will appreciate that the modifications are made in relation to the structure of each part without departing from the scope and spirit of the described invention. It is self-evident to.

100 Material shading expression panel 101 Vertical streaks 102 Horizontal streaks 103 Concrete 104 Lath base rebar 105 Tying hardware 210 Pattern paper 220 Front formwork (first formwork)
221 White part (first area)
221a White part 221b White part 221c White part 221d White part 221e White part 230 Masking tape 240 Comb formwork (fourth formwork)
240a Comb formwork 240b Comb formwork 241 Tapping screw 250 Lath formwork (third formwork)
250a Lath formwork 250b Lath formwork 251 Filling hole (third through hole)
251a Filling hole 251b Filling hole 251c Filling hole 251d Filling hole 251e Filling hole 252b Vertical lath 252d Vertical lath 252e Vertical lath 260 Back formwork (second formwork)
261 Cremona rope (fifth formwork)
262 Inspection hole (first through hole)
262a Inspection hole 262b Inspection hole 262c Inspection hole 262d Inspection hole 262e Inspection hole 262f Inspection hole 262g Inspection hole 263 Tapping screw 270 Right side formwork (second formwork)
280 Left side formwork (second formwork)
300 Hopper 310 Casting pipe 311 Funnel part 312 Cylindrical pipe 900 Foundation

Claims (15)

A rough portion forming step of forming a roughened first region on the surface of the first formwork,
The first formwork installation step to install the first formwork,
A second formwork installation step of installing a second formwork to form a casting space between the first formwork and the second formwork.
The first casting step of placing the material in the casting space and
A second casting step for placing a material in the casting space is provided after a lapse of a predetermined period from the completion of the first casting step .
The predetermined period is a time interval such that moisture remains between the material of the previous casting and the mold.
Material shade expression panel manufactured by the manufacturing method. The step of arranging the reinforcing bar in the casting space and
The material shading expression panel according to claim 1, further comprising a third formwork installation step of fixing the third formwork to the reinforcing bar so as to cover the first area from the first direction. The third formwork has a third through hole penetrating in the thickness direction thereof, and in the first casting step, the material is punched by a cylindrical tube penetrating the third through hole. The material shading expression panel according to claim 2, which is transferred to the installation position. The invention according to any one of claims 1 to 3, further comprising a fourth formwork installation step of fixing the fourth formwork to the first formwork so as to cover the first area from the first direction. Material shade expression panel. The second formwork has a first through hole penetrating in the thickness direction thereof, and after completing the first casting step, the fourth mold is passed through the first through hole. The material shading expression panel according to claim 4, further comprising a formwork removing step for removing the frame. The invention according to any one of claims 1 to 5, further comprising a fifth formwork installation step of fixing the fifth formwork to the second formwork so as to cover the first area from the first direction. Material shade expression panel. The second formwork has a first through hole penetrating in the thickness direction thereof, and after completing the first casting step, the fifth mold is passed through the first through hole. The material shading expression panel according to claim 6, further comprising a formwork removing step of removing the frame. Any of claims 1 to 7, wherein in the rough portion forming step, the first region is roughened by sanding to the extent that the surface gloss is lost and the concrete can be easily peeled off. Material shading expression panel described in the crab. After the second casting step, a curing step for curing the cast material and a curing step.
After the curing step, a removal step for removing the first mold and the second mold, and
The material shading expression panel according to any one of claims 1 to 8, further comprising a protective step of polishing and / or applying a resin to the surface of the cast material after the removal step. The material shading expression panel according to any one of claims 1 to 9, wherein the material is concrete, mortar, and / or cement milk. A building comprising the material shading expression panel according to any one of claims 1 to 10. A material shade expression panel with a pattern expressed by the color of the concrete itself, which is formed on the concrete surface. The material shading expression panel according to claim 12, wherein the pattern is expressed by a shade of concrete itself formed by using a rough surface formed on a mold. The material shading expression panel is formed by stacking concrete in a plurality of times, and the pattern is expressed by the shade of the concrete itself formed by setting the stacking interval to a predetermined time interval according to claim 12 or 13. Described material shade expression panel. A building comprising the material shading expression panel according to any one of claims 12 to 14.

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