JPH06288085A - Form panel - Google Patents

Abstract

PURPOSE:To perform drainage of surplus water to the outside by a method wherein vertically extended rib parts and groove parts are formed on the surface side of a non-wood panel body and a plurality of water drain holes are formed in the groove part. CONSTITUTION:Vertically extended rib parts 3 and groove parts 4 are formed alternately in the direction of width on the surface side of a panel body 2 made of a sheet metal on which electric plating is applied. A number of drain holes 5 through surplus water of concrete is drained to the outside of forms and a number of reinforcing ribs 6 are formed on the groove part 4 of the panel body 2. A mounting plate 7 to mount a form panel 1 on leveling concrete is integrally formed to the lower end of the panel body 2. This constitution prevents the lower part of forms from being contaminated owing to residence of surplus water.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to formwork panels.

[0002]

2. Description of the Related Art Formwork panels made of plywood (generally called control panels) in foundation work and wall work.
Are arranged side by side flush with each other at a predetermined position, a concrete formwork is assembled at a construction site, and concrete is poured into the formwork to construct a structure.

However, in a formwork using a control panel, it is necessary to remove the control panel from the structure after the concrete is hardened, so that there is a problem that the construction work on site is largely required. In addition, there is a growing voice that it is not desirable to consume a large amount of control panels made of plywood in construction work and civil engineering work from the viewpoint of environmental problems such as forest conservation.

Therefore, in order to shorten the construction period and save wood resources, there is a case where a keystone plate formed by bending a sheet metal member into a square corrugation is used as a concrete discard formwork.

[0005]

However, when a keystone plate made of a sheet metal member is used as a weir plate constituting the side surface of a foundation structure or a wall structure, surplus water of uncured concrete is discharged to the outside. Since it is difficult, the strength of the surface side of the structure may decrease. On the other hand, in order to prevent such inconvenience, it may be possible to provide a water drainage hole in the keystone plate to actively discharge the excess water to the outside of the form. Excess water containing water stains the frame support members such as the square pipes and the holding metal fittings thereof, and it takes considerable time and effort to remove and clean them.

In view of the above situation, it is an object of the present invention to provide a form panel that can discharge excess concrete water to the outside of the form without contaminating the form supporting member.

[0007]

[Means for Solving the Problems] In order to achieve the above object,
Technical means taken by the present invention is, on the surface side of a non-woody panel body, in a formwork panel in which vertically extending rib portions and groove portions are alternately provided in the width direction, excess water of concrete is removed. The point is that a plurality of drain holes for draining are provided in the groove.

[0008]

Since the drainage hole is provided in the groove extending in the vertical direction on the front surface side of the panel body, the excess water of the concrete cast on the back surface side of the panel body is removed from the drainage hole to the front surface side of the panel body. When it is discharged to the inside, it flows downward in the groove portion and passes laterally of the square pipe arranged in contact with the rib portion.

[0009]

Embodiments of the present invention will be described in detail below with reference to the drawings. 1 and 2 show a formwork panel 1 used in this embodiment, which is composed of a panel body 2 made of sheet metal which is electroplated. The panel body 2 is bent and formed in a waveform having a substantially sine curve shape, whereby rib portions 3 and groove portions 4 extending in the vertical direction are alternately formed in the width direction on the front surface side of the panel body 2. There is.

In the groove portion 4 of the panel body 2, a large number of drainage holes 5 for discharging excess water of concrete out of the formwork.
Is provided. The drain holes 5 have a size that allows a separator 14 to be described later to be inserted therethrough, and are arranged at the bottom of each groove 4 at regular intervals in the vertical direction.
The drain hole 5 is not limited to the simple circular shape shown in FIG. 1, but may be a long hole extending in the vertical direction. When the drainage hole 5 is a long hole in this way, it is possible to ensure dehydration of excess water of concrete even when the separator 14 is inserted into the drainage hole 5 and to finely adjust the vertical position of the separator 14. .

A large number of reinforcing ribs 6 are provided in the groove portion 4 of the panel body 2. The reinforcing rib 6 has a substantially horizontally long elliptical shape and is formed by bulging the bottom of the groove portion 4 toward the front surface side of the panel body 2. The reinforcing ribs 6 are arranged in the groove portions 4 at regular intervals in the vertical direction. ing. In this embodiment, the panel body 2 has a thickness of about 0.4 mm,
Pitch between rib portions 3 (also pitch between groove portions 4) p
Is about 3 cm, and the height of the rib 3 (depth of the groove 4) h is about 5
Although it is set to mm, these values can be appropriately changed within a range that can withstand the surface pressure received from concrete. However, the thickness of the panel body 2 is preferably 0.4 to 0.8 mm in order to prevent the weight from becoming too large.

Further, in this embodiment, the height pitch L1 of the drain holes 5 is 20 cm, and the height pitch L2 of the reinforcing ribs 6 is 5c.
It is set to m so that the reinforcing rib 6 functions as a mark for the height dimension. At the lower end of the panel body 2, a mounting plate 7 for mounting the formwork panel 1 on the concrete 11 is disposed integrally. The mounting plate 7 is formed by bending the lower end portion of the panel body 2 toward the front surface side by 90 degrees, and the rib portion 8 and the groove portion which respectively correspond to the rib portion 3 and the groove portion 4 on the panel body 2 side. 9
And are alternately provided in the width direction.

FIGS. 3 to 6 show an example of construction when the formwork panel 1 is adopted as a waste formwork 10 of a concrete foundation structure. This discarding formwork 10 has a plurality of formwork panels 1 juxtaposed at predetermined positions on discarding concrete 11,
It is constructed by reinforcing this formwork panel 1 with a formwork support member such as a square pipe 12, and a reinforcing bar 13 is prearranged in the inside.

In this case, the formwork panel 1 is erected on the discarding concrete 11 so that the water draining holes (separation holes) 5 on the rear surface side thereof face the empty side in the formwork, and the mounting plate 7 is discarded. It is fixed by being nailed to the concrete 10. Further, the plurality of formwork panels 1 constituting one side surface of the substructure are joined flush with each other by overlapping the groove portions 4 thereof.

Further, the formwork panel 1 has a rib portion 3 in the vertical direction.
Since it has a large number of grooves 4 and a sufficient bending strength in the vertical direction, the formwork panel 1 is supported only by the lateral square pipes 12 so as to withstand the surface pressure of concrete. FIG. 4 shows a supporting structure for the formwork panel 1.
As shown in the figure, a separator 14 is inserted into the water draining hole (separation hole) 5 at an appropriate height of the mold frame panel 1 from the inner side of the mold frame, and a spacer 15 is attached to the protruding end of the separator 14. The foam tie 16 is connected via.

As shown in FIG. 5, the foam tie 16 has a bifurcated hooking portion 17 at its tip and a slit 18 in the middle thereof. On the other hand, the spacer 15 is
As shown in FIG. 6, it is made of a synthetic resin such as a plastic formed in a sectional shape that fits exactly into the groove portion 4, and has a through hole 20 in the center through which the head portion 19 of the separator 14 can be inserted.

Therefore, in this embodiment, the spacer 15 is fitted to the protruding end of the separator 14 protruding into the groove 4, and then the hooking portion 17 of the foam tie 16 is hooked on the head 18 of the separator 14 to form the foam tie 16. Can be connected to the separator 14 with one touch. Reference numeral 21 is a washer for pressing the spacer 15 from the inner side of the mold.

The square pipe 12 is placed on the upper surface of the foam tie 15, and L provided on the back side of the square pipe 12.
The foam tie 16 is penetrated through the center of the mold retainer 22. A wedge metal fitting 23 is driven into the slit 18 located at the penetrating portion of the foam tie 16,
As a result, the square pipe 12 is pressed against the formwork panel 1 side via the holding metal fitting 22, and the formwork panel 1 is supported so as to withstand the surface pressure of concrete.

As shown in FIG. 7, at the corners of the discarding formwork 10, the formwork panels 1 which are orthogonal to each other are connected to each other through an angle member 24 having an L-shaped cross section. That is, the angle member 24 has a horizontally long slot 25 at the same height as the water drain hole 5 of the mold panel 1, and the slot 25 and the drain hole 5 are connected to each other so that the mold panel 1 The formwork panels 1 are connected orthogonally by arranging them on the angle member 24 and inserting a retaining pin (not shown) into the long hole 25 and the water draining hole 5.

The angle member 24 is used as the discarding form 1.
0 may be provided outside (FIG. 7 (a)) or inside (FIG. 7 (b)). In addition, in FIG.
Reference numeral 6 denotes a topline stay made of a long product having a U-shaped cross section. By attaching the topline stay 26 to the upper end portion of the formwork panel 1, the topline of the formwork panel 1 is linearized, and The sharp upper edge of the formwork panel 1 prevents the worker from being injured.

In the discarding mold 10 having the above structure,
After pouring concrete, the formwork panel 1 is buried and the labor of dismantling the formwork is achieved. At this time, in this embodiment, since the formwork panel 1 has the rib portion 3 and the formwork panel 1 only needs to be supported by the lateral square pipes 12,
The labor of assembling and disassembling the formwork is greatly reduced.

Further, since the formwork panel 1 has a large number of water draining holes 5 in the groove portion 4 extending in the vertical direction on the front surface side, excess water of concrete cast on the back surface side of the panel body 2 is drained. Since it can be discharged to the surface side from the vent hole 5 to stabilize the strength of the substructure, the discharged excess water flows downward in the groove portion 4 of the panel body 2, so that it contacts the rib portion 3. It is possible to prevent the square pipe 12 and the holding metal fitting 22 from being contaminated by surplus water by passing through the side of the square pipe 12 arranged as a unit.

Further, the drainage hole 5 has a size that allows the separator to be inserted therethrough and can also be used as a separation hole, so that it is not necessary to open a separation hole in the panel body at the site.
It is possible to reduce the construction work in the formwork work. Particularly in the case of this embodiment, since the water drain holes (separation holes) 5 are provided in all the groove portions 4 and the height positions thereof are aligned, the degree of freedom in selecting the attachment angle of the separator 14 is high, and therefore It is possible to attach the separator 14 to the form panel 1 as vertically as possible even if there is a slight deviation in the widthwise position of the frame panel 1.

On the other hand, the formwork panel 1 according to this embodiment integrally has a mounting plate 7 at its lower end, and the mounting plate 7 is nailed or the like to discard the formwork panel 1 from the concrete 11. And easy to position and attach,
From this point as well, it is possible to reduce the construction labor in the formwork work. Further, since the mounting plate 7 is provided with the groove portion 9 which communicates with the groove portion 4 on the panel body 2 side, the surplus water flowing down the groove portion 4 of the panel body 2 further passes through the groove portion 9 of the mounting plate 7 to form frame panel 1 Therefore, the lower part of the discarding mold 10 can be prevented from being contaminated due to the accumulation of excess water.

The rib portion 3 and the groove portion 4 of the form panel 1
The sectional shape of is not limited to the above-mentioned sine curve shape, but the trapezoidal shape shown in FIG. 8 (keystone plate)
Alternatively, the present invention can be applied to other triangular shapes. Further, the material of the mold panel 1 may be, for example, a plastic plate other than sheet metal, and in short, a non-wood material that can integrally form the rib portion 3 and the groove portion 4 on the surface side that can be used as the discarding mold 10. Any type of system will do.

[0026]

As described above, according to the present invention,
Excess water discharged from the drainage hole flows down in the groove of the panel body, so the excess water is positively discharged to the outside of the formwork without contaminating the formwork support member, and the strength of the structure is made uniform. Can be achieved.

[Brief description of drawings]

1A is a side view of a form panel, FIG. 1B is a side view thereof, and FIG. 1C is a plan view thereof.

2A is a sectional view taken along the line AA of FIG. 1, and FIG. 2B is FIG.
FIG. 6 is a sectional view taken along line BB of FIG.

FIG. 3 is an assembled perspective view of a discarding mold.

FIG. 4 is a cross-sectional view showing a support structure for a formwork panel.

5A is a side view of the foam tie, and FIG. 5B is a rear view of the same.

FIG. 6 is a perspective view of a spacer.

FIG. 7 is a perspective view showing a corner portion of the discarding mold.

FIG. 8 is a perspective view of another formwork panel.

[Explanation of symbols]

 1 Formwork panel 2 Panel body 3 Rib section 4 Groove section 5 Drain hole (separator hole)

Claims (1)

[Claims] 1. A formwork panel in which rib portions (3) and groove portions (4) extending in the vertical direction are alternately provided in the width direction on the surface side of a non-wood type panel body (2), wherein A formwork panel, characterized in that a plurality of drainage holes (5) for discharging the excess water are provided in the groove (4).