JPH0458867B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] This invention provides a method for manufacturing concrete walls.
The present invention relates to a joint pattern forming concrete construction method in which a joint pattern is applied to the surface of concrete material being placed in contact with the surface.

[Conventional technology]

In general, concrete construction methods that form joint patterns on the surface of concrete walls consist of an elastic base of specified dimensions (standard size) in which a joint forming material for transferring the joint pattern is integrally formed on an elastic substrate having elasticity such as rubber. It is carried out by constructing a plurality of formworks, pouring concrete material along the frame surface and hardening it, and then removing the decorative formwork. For example, as shown in FIG. 3, a plurality of elastic decorative forms 1 integrally formed with the joint forming material are framed with the joint forming material facing inward (the joint forming material is hidden and cannot be seen). In order to form a panel, the crosspieces 2 are nailed to the decorative formwork 1, and metal reinforcing pipes 5 are arranged at right angles to the crosspieces 2 so as to be able to withstand the pressure of the concrete material being placed. At that time, a hole (not shown) is made in the decorative formwork 1 for communicating the connecting rod 3 for fixing the reinforcing pipe 5,
Insert the connecting rod 3 into this hole, then reinforcing pipe 5
The decorative form 1 is framed by arranging the reinforcing pipe 5 with a form tie 6 with a washer and fixing the form tie 6 with a wedge or the like. Then, a concrete wall is manufactured by pouring and hardening concrete material between this and a formwork (hidden and invisible) placed opposite to it, and then dismantling the formwork. ing. The formwork mentioned above will be reused after being dismantled.

On the surface of the concrete wall obtained in this way, a joint pattern is formed as shown in FIG. 4 by transferring the elastic joint forming material of the elastic decorative formwork, thereby giving the surface a three-dimensional pattern. It's getting old.

[Problem to be solved by the invention]

By the way, in the above-mentioned construction method, the central region of the concrete wall can be formed by arranging a predetermined number of elastic decorative forms of specified dimensions and framing them. However, when forming the peripheral area, the elastic decorative frame material of specified dimensions is too large, so it is cut as appropriate and used. For example, as shown in FIG. 5 and FIG.
Since it is too large, we used an elastic decorative formwork 7 of specified dimensions.
It is customary to cut the material as shown by the dashed line A in the figure and use it. However, in this case, the cut elastic decorative formwork 7 cannot be used repeatedly, which is extremely uneconomical. In some cases, the joint pattern formed by the elastic joint forming material 7a of the decorative formwork 7 in the central region and the joint pattern formed by the elastic joint forming material 7a of the decorative formwork 7 in the peripheral region are continuous. There is also the problem that the pattern does not form a natural pattern, and only the joint pattern in the peripheral area becomes a different pattern from the joint pattern in the central area, resulting in an unnatural pattern. However, the reality is that there is no decorative formwork other than those with specified dimensions (standard size). Therefore, when forming the surrounding area, use elastic decorative formwork with specified dimensions as described above. It is being cut and used.

On the other hand, in contrast to the decorative formwork made of the rubber substrate, a formwork made of synthetic resin foam (Utility Model No. 59-132848
No. 2) has been proposed. This formwork is lightweight because it is made of synthetic resin foam.
Further, it has the advantage that the portion protruding from the area of use can be easily cut off with a cutter or the like, and it can also be used by being bent. However, since the formwork made of the above synthetic resin foam is disposable, it cannot be used repeatedly and is discarded after each use, resulting in a large amount of industrial waste and causing environmental destruction. . In addition, when cutting the protruding part with a cutter, etc., if there is no joint in the cut part, the concrete material will flow out from that part, so cut the separate synthetic resin foam into the joint shape with a cutter, etc. This is then fixed with adhesive or the like. However, doing so is complicated. Also,
The formwork made of the synthetic resin foam mentioned above has a rough skin due to the air bubbles, so there is a drawback that the resulting concrete surface will also have a rough texture, and the curvature of the synthetic resin foam is not very large. Therefore, it has the disadvantage of being damaged when applied to sharply curved surfaces.

This invention was made in view of the above circumstances, and it is possible to repeatedly use decorative formwork, etc., and at the same time, it is easy to construct surrounding areas of concrete walls, and it can also be used for concrete walls with sharply curved surfaces. The purpose is to provide an applicable joint pattern forming concrete construction method.

[Means to solve the problem]

In order to achieve the above object, the joint pattern forming concrete construction method of the present invention involves framing a rubber decorative formwork with rubber joint forming parts of a specified size that can be used repeatedly, and then using a rubber decorative formwork that can be used repeatedly in the surrounding area. A rubber substrate of the same dimensions is arranged as a frame, and the outline pattern and continuous pattern created by the rubber joint forming part of the decorative formwork described above are applied to the substrate surface of the rubber substrate that extends to the end side of the produced concrete wall. Rubber joint forming material that can be used repeatedly is removably attached by nailing, etc., and concrete material is cast and hardened in contact with the frame surface of the decorative formwork and the substrate surface of the substrate, to form a concrete wall. The structure is such that a joint pattern is formed on the surface of the body by transferring the rubber joint forming portion and the rubber joint forming material.

[Effect]

That is, the present invention provides a flat substrate with no joint forming portions integrally formed on the surface as a forming formwork for the peripheral area of a concrete wall (including plate-like bodies such as concrete plates), and The end side of the body hangs (corresponds to the end side)
Rubber joint forming material is removably attached to the flat board part by nailing to form the desired contour pattern, so the surrounding area is It becomes possible to form an outline pattern. Moreover, since the substrate remains in its original shape after the concrete wall is formed, it can be reused as is. In this case, since the rubber joint forming material is simply nailed, it can be easily removed. This rubber joint forming material is also reusable. Furthermore, the decorative formwork, substrate, and joint forming material used in this invention are all made of rubber and have greater flexibility than synthetic resin foam, so they can be applied to sharply curved surfaces. Is possible. Further, since the decorative formwork and the substrate are made of rubber and have a dense surface, it is possible to finish the surface of the produced concrete wall with a fine finish.

Next, examples will be described.

〔Example〕

First, a rubber decorative formwork (standard dimensions: 900 x 1800mm) that is integrally formed with a rubber joint forming part is used as the forming formwork for the central area of the concrete wall.
In addition to preparing multiple sheets of
1800mm, 900×1800mm). Next, a plurality of rubber decorative frames with the specified dimensions are framed, and one of the three types of rubber substrates with the optimal size is placed in the peripheral area where the decorative formwork with the specified dimensions would be incomplete. Select, arrange and frame. and,
As shown in FIGS. 1 and 2, the rubber base plate 10 is shaped like a hollowed-out sheet in which a contour pattern and a continuous pattern are formed by the rubber joint forming portions 7a of the rubber decorative formwork 7 of specified dimensions. The rubber joint forming material 10a is fixed by nailing. And this is the third
After forming panels as shown in the figure, concrete material is poured and hardened, and after the concrete material hardens, the formwork is dismantled. As a result, as shown in FIG. 4, by transferring the rubber joint forming portion 7a and the rubber joint forming material 10a,
A joint pattern begins to form on the surface.

After the formwork is dismantled, the rubber decorative formwork 7 with the specified dimensions can be used again as a forming formwork for the central area of the concrete wall, and the rubber substrate 10 that will become the forming formwork for the peripheral area can also be used again. It can be used as a formwork for the surrounding area. In this case, since the rubber joint forming material 10a is nailed, the pattern formed by the rubber joint forming material 10a may upset the overall balance of the joint pattern of the newly formed concrete wall. This can be addressed by nailing and fixing a rubber joint forming material that can form a different contour pattern.

In addition, in the above explanation, the rubber joint forming material 10
A cut-out sheet-like material is used as a, but a linear rubber material is used, and this is bent onto the rubber substrate 10 and fixed with appropriate nails so as to form an outline pattern. Good too. Further, the rubber joint forming material 10a may be attached not only by nailing but also by screwing in a detachable manner, and in this invention, nailing etc. means this. Furthermore, the material of the rubber substrate 10 is not limited to rubber, but may also be a synthetic resin having rubber elasticity, which is also included in the rubber in the present invention.

〔Effect of the invention〕

As described above, in the joint pattern forming concrete construction method of the present invention, after a plurality of rubber decorative formworks of specified dimensions are framed, a rubber substrate of arbitrary dimensions is framed around the periphery, and the ends of the concrete wall are A joint forming material made of rubber is attached to such a portion of the rubber substrate (the remaining portion of the rubber substrate protrudes from the concrete wall) by nailing or the like. Therefore, as in the above cited example, if the protruding part is cut and removed using a knife, etc., and there is no joint in the cut part, separate pieces of synthetic resin foam are cut into the joint shape and glued together with adhesive. There is no need to go through the trouble of doing so. Furthermore, after use, the rubber joint material can be reused by simply pulling it out from the rubber substrate, so both the rubber joint material and the rubber substrate can be used repeatedly and are economical. Moreover, not only rubber substrates and rubber joint materials, but also rubber decorative forms can be used repeatedly, and since they are not disposable, there is no problem of large amounts of industrial waste being produced. In addition, since the above-mentioned decorative formwork, substrate, and joint forming material are all made of rubber, they can be applied to concrete walls that require sharply curved surfaces, and their surfaces are Since it has a dense skin, the surface texture of the concrete wall constructed by transfer formation is also finely finished. In particular, in the above-mentioned rubber substrate, the rubber joint material that is nailed to the part where the end of the produced concrete wall is covered can be easily attached to any location by nailing, so it can be easily attached to the joint of the decorative formwork. It can be easily attached according to the forming part. Therefore, it becomes possible to form a joint pattern while considering the balance of the overall pattern, and it becomes possible to easily form a harmonious joint pattern.

[Brief explanation of the drawing]

Fig. 1 is an explanatory diagram of the frame state of the rubber decorative formwork and rubber substrate used in the present invention, Fig. 2 is a sectional view taken from Fig. 1, and Fig. 3 is a part illustrating the state of use of the conventional example. A cutaway perspective view, Fig. 4 is a partial perspective view of a concrete wall with a joint pattern formed thereby, Fig. 5 is a plan view of the framework of a conventional decorative form, and Fig. 6 is a cross-section thereof. It is a diagram. 7...Rubber decorative formwork with specified dimensions, 7a...Rubber joint forming section, 10...Rubber substrate, 10a...
...Rubber joint forming material.

Claims (1)

[Claims] 1 After constructing a rubber decorative formwork with rubber joint forming parts of specified dimensions that can be used repeatedly, a rubber substrate of arbitrary dimensions that can be used repeatedly is placed around the frame, and the edge of the produced concrete wall is constructed. A reusable rubber joint forming material is nailed onto the substrate surface of the rubber substrate facing the side so as to form a continuous pattern with the contour pattern created by the rubber joint forming section of the decorative formwork. The concrete material is poured and hardened in contact with the frame surface of the decorative formwork and the substrate surface of the substrate, and the rubber joint forming part and the rubber joint forming material are attached to the surface of the resulting concrete wall. A joint pattern forming concrete construction method characterized by forming a joint pattern by transferring.