JPS6153495B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a joint member and a joint frame used in the so-called tile pouring method, in which a tiled wall surface is obtained by a tile pouring precast concrete slab or a tile pre-installation method.

In the production of conventional tile-placed precast concrete slabs, as shown in FIG. The vertical rows of joint members 4 are arranged alternately in sequence, first arranging tiles in the first row, then arranging the divided horizontal rows of joint members 5, and arranging tiles 3 in the same manner as in the first row. The vertical rows of joint members 4 are alternately arranged one after another, and the second and subsequent rows of tiles are arranged in the same manner, after which concrete is poured. However, since the vertical and horizontal joint members 4, 5 and tiles 3 are simply arranged without being fixed, the joint members 4, 5,
A gap is formed between the side of No. 5 and the side of the tile,
There was a drawback in that the concrete paste and water contained in the concrete leaked out from this part during concrete pouring and adhered to the tile surface (the surface in contact with the base plate 2). For this reason, in the past, it was necessary to remove cement paste etc. that had adhered to the tile surface after demolding, resulting in double work and
Additionally, there was a risk of damaging the tile surface etc. during removal.

Furthermore, in order to eliminate gaps between them, the tiles 3 and joint members 4 and 5 are arranged close to one corner, as shown by the arrows in Figure 1, so that the tiles closer to the gap There was an imbalance in the arrangement between tiles that were far away. For this reason, in the past, it was necessary to prepare several types of joint members 4 and 5 with different joint widths, and to adjust the balance of the overall tile arrangement by appropriately changing the joint widths.

On the other hand, conventionally, a joint frame 7 having squares 6 for inserting tiles as shown in Fig. 2 is used.
There is also a construction method in which this is first attached to a base plate, formwork, etc., and then the tiles 3 are inserted into the squares 6 and concrete is poured. However, since there are variations in the size of the tiles themselves, the joint frame 7 is usually made slightly larger than the size of the tile 3 in the square 6 for tile insertion, and the size of the square 6 for tile insertion in A gap is formed between the side surface 6a and the tile side surface, and the concrete paste and moisture contained in the concrete leak out from the gap onto the tile surface and adhere thereto.

The present invention improves and eliminates the above-mentioned drawbacks of the conventional art, and is made by dividing the joint frame into parts for each joint direction. By pasting water-soluble paper with swelling properties on the side of the square using an organic solvent-based adhesive such as acrylic or rubber-based adhesive that dissolves in water or does not contain water, PVA adhesive, or ordinary adhesive. , Water-soluble paper is swollen by water spraying before concrete pouring, and fills the gap between the tile side and the joint member side, as well as the tile side and the square side, to prevent cement paste, etc. from leaking from these areas onto the tile surface. It is an object of the present invention to provide a joint member and a joint frame.

The configuration of the present invention will be explained below based on the embodiments shown in the drawings.

FIG. 3 shows a first embodiment of the present invention. In this embodiment, a joint frame 8 is divided into a vertical row of joint members 9 and a horizontal row of joint members 10, and swellable water-soluble paper 1 is attached to side surfaces 9a and 10a of both joint members.
1 is attached. The division of the joint frame may be performed for each joint direction of the tile arrangement, and there is no need to limit it to vertical and horizontal columns as in this embodiment. Further, as the water-soluble paper 11, it is sufficient to use one that is already commercially available. According to the results of experiments with this commercially available product, when water-soluble paper with a thickness of 0.05 to 0.25 mm was cut into lengths of 50 mm lengthwise and widthwise, and 9 to 10 c.c. The water-soluble paper 11, which has an excellent swelling rate of more than 20 times, can be attached using an organic solvent-based adhesive such as acrylic or rubber-based adhesive that dissolves in water or does not contain water, or PVA as the material 12.
This may be done using an adhesive or an ordinary adhesive such as double-sided tape. The important point is that the adhesive material 12 does not swell the water-soluble paper 11, and that the adhesive material 12
It is fine as long as it does not damage the joints.

To manufacture a precast concrete slab using the joint members 9 and 10 having such a configuration, first, as in the conventional method, the tile 3 is
The joint members 9 in the divided vertical rows are arranged alternately in sequence, first arranging the tiles in the first column, then the joint members 10 in the divided horizontal rows are arranged in the same manner as in the first row. Tiles 3 and vertical rows of joint members 9 are alternately arranged in sequence, and the tile arrangement from the second row onward is completed in the same manner. Once all tiles have been arranged, water will be sprinkled before pouring concrete. This water sprinkling causes the water-soluble paper 11 to swell and fill the gap formed between the tile side surface and the joint member side surfaces 9a and 10a. Therefore, when concrete 13 is poured in such a state as shown in FIG. 4, the tile side surface 3a and the joint member side surfaces 9a and 10
Water contained in the cement paste or concrete will not leak out from between the tile surface 3b and the tile surface 3b. Note that in order to swell the water-soluble paper 11, since the water-soluble paper 11 exhibits an excellent swelling rate as described above,
It is also possible to cause the swelling to occur due to the moisture contained in the concrete when it is poured. Some water-soluble paper 11 swells only with an alkaline aqueous solution, but when such a water-soluble paper is used, an alkaline aqueous solution having a concentration of about 2% may be sprayed before pouring the concrete.

Furthermore, in this embodiment, in order to minimize the gap between the tile 3 and the joint members 4 and 5 (see FIG. 1) as in the past, after arranging the tiles, the tile 3 is placed in one direction at the corner. There is no need to push the tiles, and therefore, there is no imbalance in the overall tile arrangement. Therefore, there is no need to prepare several types of joint members with different joint widths to arrange the tiles, which greatly simplifies the work and is also advantageous in terms of cost.

By the way, the above-mentioned embodiment is a case where the first aspect of the present invention is applied to a through joint in which vertical joints and horizontal joints are continuous and orthogonal, but it can also be applied to a horse joint in which the joints in one direction are intermittent, It is also possible to apply it to zigzag joints, sloping tile arrangement, or sloping tiles, and in this case, in addition to the effect of the water-soluble paper 11 described above, there is an effect that the joints can be easily divided.

FIG. 5 shows a second embodiment of the invention. In this embodiment, as shown in the figure, water-soluble paper 11 having swelling property is pasted on the side surface 14a of the squares of a joint frame 15 having squares 14 for inserting tiles arranged at predetermined intervals. It is. Water-soluble paper 11
The material and pasting method and the leakage effect of concrete paste etc. by the water-soluble paper 11 are as described in the above-mentioned first article.
This is the same as in the embodiment of the invention. Therefore, detailed explanation will be omitted here.

As explained above, in the present invention, a water-soluble paper having swelling property is applied to the side surface of each joint member formed by dividing the joint frame in each joint direction on the side that contacts the tile and the square side surface of the joint frame, using an organic solvent. mold adhesive or
Pasted with PVA adhesive or regular adhesive,
The water-soluble paper can be swollen by water spraying before concrete pouring to fill the gaps formed between the side of the tile and the side of the joint member, and between the side of the tile and the square side of the joint frame. Water contained in concrete will not leak onto the tile surface. Therefore, there is no need to remove cement paste or the like stuck to the tile surface after demolding, unlike in the conventional method, and the work process can be simplified.

In addition, when in use, the water-soluble paper is located in a very narrow gap between the side surface of the joint member or joint frame and the side surface of the tile, and fills the gap with its excellent swelling action. Therefore, it can be filled in a short time and blends well with the side surface of the tile. Furthermore, since the water-soluble paper has an excellent swelling rate, it is possible to cause sufficient swelling by the moisture contained in the concrete at the time of pouring the concrete without sprinkling water before pouring the concrete. In addition, the water-soluble paper is attached to the side of the joint frame, and special work is required to place the water-soluble paper into the gap between the side of the joint member or frame and the side of the tile. It's not a thing. Furthermore, since the water-soluble paper is located in the gap, the finished joint surface will not be roughened after construction.

[Brief explanation of the drawing]

Fig. 1 is a drawing explaining a conventional method for manufacturing a precast concrete slab, Fig. 2 is a perspective view showing a conventional joint frame, and Fig. 3 is a perspective view of a joint member showing the first invention of the present invention. FIG. 4 is a sectional view of a tile wall surface constructed using the above-mentioned joint member, and FIG. 5 is a perspective view of a joint frame showing a second aspect of the present invention. 9, 10... joint member, 3... tile, 11...
...water-soluble paper, 12...adhesive material, 14...square,
15...Joint frame.

Claims (1)

[Scope of Claims] 1. A joint member used in a tile driving method divided into vertical and horizontal joint directions, wherein water-soluble paper having swelling property is applied to the side surface of each joint member that contacts the tiles. A joint member characterized in that it is attached with an organic solvent-based adhesive such as acrylic or rubber-based adhesive that does not dissolve in water or does not contain water, PVA adhesive, or ordinary adhesive. 2. A joint frame used in the tile driving method that has squares for inserting tiles arranged at predetermined intervals, and on the sides of the squares of the joint frame, water-soluble paper with swelling property is applied by dissolving with water or Organic solvent-based adhesives such as acrylic or rubber-based adhesives that do not contain water, or
A joint frame characterized by being attached with PVA adhesive or ordinary adhesive.