JPH0550414A - Method for arranging reinforcing bar for concrete panel - Google Patents

Abstract

PURPOSE:To provide a method for arranging reinforcing bar for concrete panel wherein reinforcing bars can be arranged at predetermined positions in a form for molding concrete panel precisely and easily. CONSTITUTION:A reinforcing bar supporter 14 is screwed into the internal thread of a protruding strip 11 of a pattern sheet 10 disposed in a form 6 for molding a concrete panel. Next, a longitudinal main bar 4 is mounted on the supporter 14 and a reinforcing bar 2 is placed at a predetermined location in the form 6. Since the main bar 4 of the bar 2 is supported by the supporter 14, it is not deflected and hence the bar 2 is installed precisely. And the supporter 14 can be attached to the pattern sheet 10 in advance, so that the bar 2 is only required to be placed so as to mount the main bar 4 on the supporter 14, thereby facilitating the arrangement work of the bar 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for installing a reinforcing material to be embedded in a concrete panel in a molding frame, and in particular, it is formed by molding one by one on the frame. It can be used to mold lightweight cellular concrete panels with uneven patterns.

[0002]

BACKGROUND ART Conventionally, a lightweight cellular concrete panel 1 used for an outer wall of a unit house as shown in FIG.
A reinforcing material 2 for a concrete panel is buried in order to secure the panel strength. The reinforcing bar 2 is composed of two horizontal main bars 3 made of square steel and arranged in the vicinity of the end of the panel 1 along the short side direction of the panel 1, and the two main horizontal bars 3 of the horizontal direction.
In between, a plurality of longitudinal main bars 4 arranged orthogonal to the main bars 3
And the mesh muscles 5 fixed to both side surfaces of the frame formed by the main muscles 3 and 4.

By the way, as shown in FIG. 5, the reinforcing bar material 2 is installed in the molding frame 6 of the concrete panel 1 by the setting jig 7. The set jig 7 includes a main body 7A arranged on the mold 6 and a set rod 7B attached to the main body 7A and screwed into an embedded nut 8 provided on the lateral main bar 3 of the bar arrangement material 2. It is composed of.

The reinforcing bar 2 is suspended and supported by the transverse main bars 3 by the setting jig 7, and the amount of screwing of the setting bar 7B is adjusted to adjust the reinforcing bar 2 from the upper surface of the form 6 of the reinforcing bar 2. The depth position, that is, the cover thickness of the concrete on the reinforcing bar 2 was adjusted. At this time, the central portion of the longitudinal main bar 4 arranged in the long side direction of the panel 1 is bent by its own weight and hangs down, so that a concrete piece 9 of the same material as the concrete panel 1 forms a pattern on the surface of the concrete panel 1. It was arranged between the pattern sheet 8 and the longitudinal main bar 4 to prevent the main bar 4 from bending.

[0005]

However, when the concrete piece 9 is arranged to prevent the bending of the main bar 4, the concrete piece 9 is made of the same material as the panel 1, but is hardened in advance. Strictly speaking, the concrete piece 9 could not be integrated with the panel 1 because the concrete piece 9 was placed in the concrete slurry. For this reason, it is preferable to use as small a concrete piece 9 as possible to be placed in the concrete panel 1, but if the concrete piece 9 is made small, it becomes difficult to install the concrete piece 9 in the formwork 6, and the stability is poor even after installation. However, there is a problem in that it is easy to come off and the reinforcing bar cannot be accurately installed at a predetermined position.

It is an object of the present invention to provide a method of installing a reinforcing bar for a concrete panel, which allows the reinforcing bar to be accurately and easily installed at a predetermined position when the reinforcing bar is installed in a molding mold. To provide.

[0007]

According to the method for installing a reinforcing material for a concrete panel of the present invention, it is arranged at a predetermined position of a pattern sheet which is arranged in a molding frame of the concrete panel and forms a pattern on the surface of the concrete panel. The present invention is characterized in that a reinforcing material supporting member is provided, the reinforcing material is placed on the reinforcing material supporting member, and the reinforcing material is set at a predetermined position in the molding frame. At this time, it is preferable that the reinforcing bar supporting member is detachably or removably provided on the convex portion of the pattern sheet, that is, the portion forming the concave joint on the surface of the concrete panel. Further, at least one reinforcing material support member may be provided corresponding to at least the longitudinal main bars of the reinforcing material. In particular, in the case where one reinforcing bar support member is provided for each main bar, it is desirable to provide it at the central portion in the longitudinal direction of each main bar.

[0008]

In the present invention as described above, a predetermined position of the pattern sheet, for example, a position corresponding to a substantially central portion of the longitudinal main bar,
A reinforcing bar supporting member having a height dimension from the pattern sheet to a height position where the reinforcing bar is installed is provided. The reinforcing bar is placed in the molding frame so that the main bar is located on the reinforcing bar support member. The main bar of the bar is not bent because it is supported by the bar support member, and is accurately held at a predetermined height position. Further, since the reinforcing bar supporting member can be provided on the pattern sheet before installing the reinforcing bar, the work of arranging the concrete piece 9 after installing the reinforcing bar is eliminated as in the conventional case, and the reinforcing bar is installed. Work becomes easier and workability improves.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. This embodiment is a method of installing the reinforcing bar 2 of the lightweight cellular concrete panel 1 shown in FIG. In addition,
The same or corresponding components as those of the conventional example are designated by the same reference numerals, and the description thereof will be omitted or simplified. FIG. 1 shows a mold 6 for molding a concrete panel 1 used in this embodiment. A pattern sheet 10 is arranged in the mold 6. The pattern sheet 10 has a plurality of ridge portions 11 continuously provided in the short side direction and the long side direction of the mold 6 for forming concave joints on the surface of the panel 1.

As shown in FIG. 2, a plurality of internal threads 12 are formed on the ridge 11 at predetermined intervals. A cap member 13 made of a metal such as stainless steel that closes the opening of the screw 12 and a reinforcing bar supporting member 14 are selectively screwed to the female screw 12. Bar arrangement support member 14
Has a protrusion having the same size as the height dimension H from the ridge portion 11 to the installation position of the longitudinal main bar 4 of the reinforcing bar 2, and has a predetermined position set in accordance with the size of the panel 1 and the like. It is screwed into the female screw 12. A lid member 13 is screwed onto the other female screw 12.

Next, a method for manufacturing the lightweight cellular concrete panel 1 in this embodiment will be described. First, a mold 6 and a pattern sheet 10 according to the size of the concrete panel 1 to be molded are prepared. A plurality of female screws 12 formed on the ridges 11 of the pattern sheet 10 are attached to the lid member 1 in advance.
3 is screwed and closed. Next, in the female screw 12,
The lid member 13 of the female screw 12 located substantially at the center in the longitudinal direction of the longitudinal main bar 4 of the bar arrangement member 2 is removed, and a predetermined bar arrangement member supporting member 14 is screwed in place thereof.

Then, the reinforcing bar 2 is suspended and supported in the mold 6 by using the setting jig 7. At this time, the reinforcing bar 2 is installed such that the substantially central portion of the longitudinal main bar 4 is placed on the reinforcing bar supporting member 14. Then, the concrete slurry is poured into the mold 6 to manufacture the lightweight cellular concrete panel 1. When this panel 1 is removed from the form 6, a hole 15 is formed in the reinforcing bar supporting member 14, so as shown in FIG. 3, after curing the autoclave, the hole 15 is finished with a mortar 16 or the like to make a lightweight cellular concrete. Complete panel 1.

According to this embodiment, the reinforcing bar support member 14 is attached to the pattern sheet 10 at a predetermined position.
Since the reinforcing bar supporting member 14 supports the central portion of the vertical main bar 4 of the bar 2, the reinforcing bar support bar 14 is arranged at both ends of the vertical main bar 4 by using the set jig 7. Even when the bar 2 is suspended and supported, the central portion of the longitudinal main bar 4 is not bent by its own weight, and the bar 2 can be installed accurately. Particularly, since the reinforcing bar supporting member 14 made of metal or the like and having high dimensional accuracy is used instead of the concrete piece 9, the reinforcing bar 2 can be installed extremely accurately. Therefore, since the reinforcing bar 2 is embedded in the manufactured panel 1 at a correct position without bending, the bending of the reinforcing bar 2 does not cause the panel 1 to bend or cause a problem in strength. The panel 1 can be manufactured.

Further, the reinforcing sheet supporting member 14 is attached to the pattern sheet 1.
Since it can be installed in a predetermined position of 0 in advance and the reinforcing bar 2 is placed on the reinforcing bar supporting member 14, after the reinforcing bar 2 is installed as in the case of using the conventional concrete piece 9, It is not necessary to perform height adjustment work, the reinforcing bar 2 can be easily installed, and the production efficiency of the concrete panel 1 can be improved.

Further, since the reinforcing bar supporting member 14 is screwed into the female screw 12 of the pattern sheet 10, its mounting position can be freely changed. Therefore, even if the arrangement position of the reinforcing bar 2 changes due to the size of the concrete panel 1 or the like, the mounting position of the reinforcing bar support member 14 may be changed according to the arrangement position of the reinforcing bar 2. It can be used for manufacturing various concrete panels 1.

Further, a hole 15 is formed on the surface of the panel 1 manufactured by using the reinforcing bar supporting member 14. The hole 15 is formed at a fixed position of the joint portion of the panel 1 and the hole is formed. Since the diameter of 15 is also small, it can be easily finished with mortar or the like and the appearance of the surface of the panel 1 is not deteriorated.

It should be noted that the present invention is not limited to the above-described embodiments, and modifications, improvements, etc. within the scope of achieving the object of the present invention are included in the present invention. For example, in the embodiment described above, the female screw 1 is attached to the ridge portion 11 of the pattern sheet 10.
2 is provided and the reinforcing bar supporting member 14 is detachably attached by being screwed into the female screw 12.
1 may be provided with a hole to simply fit the reinforcing bar supporting member 14, or the reinforcing bar supporting member 14 can be retracted in the protruding portion 11 and can be locked in the protruding state and the retracted state. It may be one that holds only the support member 14 in a necessary portion in a protruding state, in short, as long as it is provided so as to be able to support the bar arrangement material 2.

Further, in the above-mentioned embodiment, the reinforcing bar supporting member 14 is attached to the ridge portion 11 of the pattern sheet 10. However, the reinforcing bar supporting member 14 may be provided in addition to the ridge portion 11. The reinforcement member 14 may be provided according to the position of the reinforcement material 2 arranged according to the concrete panel 1 to be manufactured.
However, since the holes 15 are formed in the joint portions of the panel 1 by the reinforcing bar supporting member 14 when the protrusions 11 are provided,
There is an advantage that finishing work becomes easy.

Further, in the above-described embodiment, the reinforcing bar supporting member 14 is attached to the ridge portion 11 of the pattern sheet 10 located at the center of the longitudinal main bar 4 in the reinforcing bar 2. The reinforcing bar support members 14 may be provided at a plurality of positions with respect to one main bar 4 to support them. Further, if the horizontal main bar 3 is also supported, the bar 2 can be placed and installed directly on the plurality of bar support members 14 without using the setting jig 7.

[0020]

According to the method for installing a reinforcing bar for a concrete panel of the present invention, the reinforcing bar is accurately and easily installed at a predetermined position when the reinforcing bar is installed in the molding frame. The effect is that you can.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an installed state of a reinforcing material for a concrete panel according to an embodiment of the present invention.

FIG. 2 is an enlarged sectional view showing a reinforcing bar supporting member portion of FIG.

FIG. 3 is a cross-sectional view of a lightweight cellular concrete panel manufactured according to the embodiment.

FIG. 4 is a plan view showing a configuration of a reinforcing bar material of a lightweight cellular concrete panel.

FIG. 5 is a vertical cross-sectional view showing an installed state of a reinforcing material for a concrete panel according to a conventional example of the present invention.

[Explanation of symbols]

 1 Lightweight cellular concrete panel 2 Reinforcing bar for concrete panel 3 Horizontal main bar 4 Longitudinal main bar 6 Forming mold 10 Pattern sheet 11 Convex section 14 Reinforcing bar support member

Claims (1)

[Claims] 1. A method for installing a reinforcing material embedded in a concrete panel in a molding frame of the concrete panel, the pattern being formed on the surface of the concrete panel by being arranged in the molding frame of the concrete panel. A reinforcing bar supporting member is provided at a predetermined position of the pattern sheet, the reinforcing bar is placed on the reinforcing bar supporting member, and the reinforcing bar is installed at a predetermined position in the molding frame. Installation method of reinforcing bar for concrete panel.