JP2006283365A - Concrete form system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a concrete form system capable of reducing the weight of a form while firmly supporting thrown-in ready mixed concrete, and exhibiting an effect of ensuring a wide discharge way of redundant water in concrete. <P>SOLUTION: The concrete form system is composed of a molding plate 2 for forming a concrete face, and a form body 3 provided with a honeycomb frame structure part 4 separated from the molding plate 2 and supporting the molding plate 2 from its back. The molding plate 2 is preferably formed of a water permeable plate made of resin. The form body 3 is provided with an insertion recess 6 between the honeycomb frame structure part 4 and a hanging part 5a of a surrounding frame 5. It is preferable to hold the molding plate 2 by inserting the edge of the molding plate 2 in the insertion recess 6. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a concrete formwork system.

  Metal foam used as a formwork for a concrete foundation of a building is very heavy and has a problem that it is not easy to handle.

  In order to consolidate the concrete, a water permeable sheet may be attached to the inner surface of the metal foam. Excess water from ready-mixed concrete is discharged downward through the interior of the permeable sheet, but in the case of a foundation, there is a possibility that the excess water discharged downward may flow into the lower footing, and a means to prevent it There is a troublesome aspect.

  There is also a method in which a water-permeable resin plate with concave and convex surfaces is attached to the inner surface of the metal foam, and surplus water in the ready-mixed concrete is led out between the resin plate and the inner surface of the metal foam through the resin plate and discharged downward. However, there are the same problems as described above when using a water-permeable sheet.

  Moreover, even if it is a water-permeable sheet or a water-permeable resin board, it has to use a special hardware for attachment with respect to the inner surface of a metal foam, and there exists a problem that an attachment relationship is very troublesome.

  In view of the above-mentioned problems, the present invention can firmly support the input ready-mixed concrete, and yet can reduce the weight of the formwork, and can provide a drainage path for excess water in the concrete. It is an object to provide a concrete formwork system capable of exhibiting effects such as being able to be widely secured.

The above problem is a molding plate for molding a concrete surface,
The present invention is solved by a concrete formwork system characterized by comprising a formwork main body provided with a honeycomb frame structure part that is separated from the formed board and supports the formed board from behind.

  In this formwork system, the molding plate for molding the concrete surface is supported from behind by the honeycomb frame structure part of the formwork body, so the honeycomb frame structure part firmly holds the ready concrete through the molding plate. The molding surface of concrete can be formed into a clean molding surface.

  In addition, since the mold can be separated into the mold plate and the mold body, the mold can be reduced in weight by being separated from each other, and the handling can be facilitated.

  In particular, because the part that can withstand the lateral pressure of concrete is made up of the honeycomb frame structure as the mold body, the wall thickness of the partition walls forming the honeycomb structure can be reduced, and the mold body can be made lighter The mold body itself can be easily handled.

  In addition, since the molded plate can be separated from the mold body, various uneven patterns and flat surfaces can be formed on the concrete surface by replacing only the molded plate.

  In the above-mentioned formwork system, when the molding plate is made of a water-permeable plate, excess water in the ready-mixed concrete is discharged to the back through the molding plate, but the back of the molding plate is the honeycomb frame structure part of the mold body. Therefore, a discharge path through the honeycomb frame structure portion is ensured, and various problems that may occur when the discharge path of surplus water is only in the direct downward direction can be eliminated.

  In the above-mentioned formwork system, the formwork body includes a rectangular peripheral frame surrounding the honeycomb frame structure part, and the peripheral frame hangs down on the honeycomb frame structure part side on the side where the molding plate is installed. An insertion recess provided with a drooping portion and opening inward between the drooping portion and the honeycomb frame structure portion, and an edge of the molding plate is inserted into the insertion recess, and the molding plate is It should be made to hold.

  In this case, the molding plate can be attached to the main body of the mold without the use of the insertion recess, so that the molding plate can be easily attached. It is not necessary to provide a bent portion or the like for attachment on the edge, and the production of the molded plate can be facilitated.

  Since the present invention is as described above, it is possible to firmly support the input concrete, and yet to reduce the weight of the formwork, and to widen the drainage path of excess water in the concrete. Can be secured. In addition, by adopting the insertion recess, it is possible to easily attach and remove the molded plate separated from the mold body for weight reduction or the like.

  Next, the best mode for carrying out the invention will be described with reference to the drawings.

  The concrete formwork system shown in FIGS. 1 to 3 forms a rising portion of a concrete cloth foundation, and each left and right formwork 1 includes a forming plate 2 for forming a concrete surface as shown in FIG. The mold body 3 that supports the molding plate 2 from the back is combined so as to be separable.

  The molded plate 2 is made of a resin permeable plate, and small water permeable holes are opened in a dispersed state. The concrete molded surface 2a is provided with an uneven surface for makeup, and the back surface is also an uneven surface. The concave / convex surface on the back surface has a concave portion corresponding to the convex portion of the front surface portion, and a convex portion corresponding to the concave portion on the front surface portion, and is manufactured by vacuum forming a resin sheet, etc. A drainage path extending in the vertical direction is formed between the molding plate 2 and the mold body 3 by the unevenness on the side.

  As shown in FIG. 2, the mold body 3 is made of a metal such as steel having a honeycomb frame structure portion 4 that supports the molding plate 2 from behind and a rectangular peripheral frame 5 that surrounds the honeycomb frame structure portion 4. Alternatively, the honeycomb frame structure portion 4 is made of a resin and has a lattice-like form in which each chamber defined by the partition walls 4a has a square shape.

  The peripheral frame 5 is composed of a frame that surrounds the four sides around the honeycomb frame structure 4, and includes drooping portions 5 a that hang down on the side of the honeycomb frame structure 4 on the side where the molding plate 2 is installed. As shown in FIG. 1 (a), insertion recesses 6 are provided between the drooping portion 5a and the honeycomb frame structure portion 4 so as to open inward, and are inserted into the insertion recesses 6 on all four sides. The molding plate 2 is held attached to the mold body 3 by inserting the edge of the molding plate 2 while bending it.

  In the above mold system, the molding plate 2 for molding the concrete surface is supported from behind by the honeycomb frame structure portion 4 of the mold body 3. Concrete can be firmly supported, and the molding surface of concrete can be molded into a clean molding surface.

  In addition, since the mold 1 can be separated into the mold plate 2 and the mold body 3, the mold 1 can be reduced in weight by being separated from each other, and handling is easy. Can be. In particular, since the portion that can withstand the lateral pressure of the concrete is constituted by the honeycomb frame structure portion 4 as the mold body 3, the wall thickness of the partition walls 4 a forming the honeycomb structure portion can be reduced, and the mold body 3 can be reduced in weight, and the mold body 3 itself can be easily handled. Furthermore, since a resin plate is used as the molding plate 2 in the present embodiment, the molding plate 2 is also very light. Further, since the molding plate 2 can be separated from the mold body 3, various uneven patterns and flat surfaces can be formed on the concrete surface by exchanging only the molding plate 2.

  Moreover, in this embodiment, since the shaping | molding board 2 consists of a water-permeable board, as shown in FIG.1 (c), the excess water in the ready-mixed concrete 7 is discharged | emitted to the back through the shaping | molding board 2, This occurs when the honeycomb frame structure 4 of the mold body 3 is present behind the molding plate 2 and a discharge path through the honeycomb frame structure 4 is secured, and the discharge path of the excess water is only in the downward direction. It can eliminate various problems.

  In particular, in the present embodiment, as the molding plate 2, a molding plate with front and back irregularities is used, so that a drainage path for excess water is also formed between the molding plate 2 and the honeycomb frame structure portion 4. Since this drainage path communicates with the drainage path described above, surplus water that has flowed down the drainage path can be discharged out of the mold 1 through the bottom honeycomb opening of the honeycomb frame structure part 4. The problem that water flows into the footing 8 is solved as a matter of course.

  Further, in the above-described formwork system, the molding plate 2 to the formwork body 3 is inserted by using the insertion recesses 6... The molding plate 2 can be easily attached, and it is not necessary to provide a bent portion or the like on the edge of the molding plate 2 so that the molding plate 2 can be easily manufactured. Can be.

  Although the embodiment of the present invention has been described above, the present invention is not limited to this, and various modifications can be made without departing from the spirit of the invention. For example, in the above embodiment, the case where the molded plate is made of a resin plate has been shown. However, the molded plate may be made of metal, wood, or the like, and whether or not the molded plate itself has water permeability is arbitrary. Moreover, it does not ask | require whether a concrete molding surface is a thing with an uneven | corrugated pattern, or a flat thing.

  Further, in the above-described embodiment, the case where the chamber partitioned by the partition walls in the honeycomb frame structure portion of the mold body is a square is shown, but other squares, hexagons, etc. may be used. In short, what is necessary is just to have a frame structure in which a large number of chambers partitioned by a partition wall are provided and the dimension in the front-rear direction of the partition wall is set larger than the thickness dimension of the partition wall.

  Further, other forms may be used for the structure for attaching the molding plate to the mold body.

1 shows a formwork system according to an embodiment, and FIG. 1 (a) is a cross-sectional side view showing a mold body and a molding plate in a separated state, and FIG. 2 (B) is a cross section of the mold plate attached to the mold body. A side view and a figure (C) are sectional side views showing an example of the drainage state of concrete surplus water. Fig. (A) is a perspective view showing the honeycomb frame structure portion and the surrounding frame of the mold body in a separated state, and Figs. (B) and (C) are perspective views of the mold body. Fig. (A) is a perspective view showing the mold body and the molding plate in a separated state, and Fig. (B) is a perspective view of the molding plate attached to the mold body.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Formwork 2 ... Molding board 3 ... Formwork main body 4 ... Honeycomb frame structure part 5 ... Peripheral frame 5a ... Dripping part 6 ... Recess for insertion

Claims (3)

A molding plate for molding the concrete surface;
A concrete formwork system comprising: a formwork main body provided with a honeycomb frame structure part that is separated from the formed board and supports the molded board from behind.   The concrete formwork system according to claim 1, wherein the molded plate is a water permeable plate.   The mold body includes a rectangular peripheral frame surrounding the honeycomb frame structure, and the peripheral frame includes a hanging part that hangs down on the honeycomb frame structure side on the side where the molding plate is installed. And a honeycomb frame structure portion is provided with an insertion recess that opens inward, and an edge of the molding plate is inserted into the insertion recess to hold the molding plate. Item 3. The concrete formwork system according to Item 1 or 2.

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