JPH10280429A - Fitting for leveling concrete form installation and leveling concrete form installation method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fitting for the installation of a leveling concrete form and a method for the installation thereof allowing an installation work as well as easy level adjustment. SOLUTION: A plurality of leveling concrete form installation fittings 1, each having a fitting body 2 driven into the subsoil approximately vertically and a support part 3 formed on the upper end thereof are prepared. Each of the fitting bodies 2 and so forth are driven into the subsoil so as to come to be positioned approximately linearly at the prescribed intervals. Thereafter, the level of the support part 3 of each fitting 1 is adjusted so as to have the same height and then, a long-sized form 5 is held on the support part 3 of each fitting 1, thereby allowing the easy installation and level adjustment of the form 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to the following
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal fitting for setting up a waste concrete formwork and a method of installing a waste concrete formwork used when placing waste concrete as pretreatment.

[0002]

2. Description of the Related Art When casting discarded concrete as described above, for example, a formwork is installed on the ground, and the concrete is poured into the formwork. The formwork is generally composed of a formplate in which weirs are joined by crosspieces, and a support, a stud, and the like for fixing the formplate at a predetermined position on the ground. After the installation of the mold as described above, a level or the like is placed on the upper surface of the mold, the level of the upper surface of the mold is measured, and the level is adjusted so that the upper surface of the mold is horizontal. Thereafter, by throwing the discarded concrete into the mold so as to be flush with the upper surface of the mold, the upper surface of the discarded concrete is leveled substantially horizontally.

[0003]

However, in the above-described formwork, not only is it time-consuming to install the formwork, but also the level must be adjusted after the formwork is installed. Was required. Furthermore, for example, when casting abandoned concrete under a horizontally long wall such as a retaining wall, the formwork is also elongated in the horizontal direction.
The level adjustment of the formwork is very troublesome.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a discarded concrete formwork mounting bracket and a method for setting up a discarded concrete formwork, in which the formwork can be easily installed and the level can be easily adjusted.

[0005]

In order to achieve the above-mentioned object, according to the first aspect of the present invention, there is provided a metal fitting for setting a discarded concrete form, which is driven substantially vertically into a ground, and has a rod-like shape whose upper end protrudes from the ground. And a supporting portion provided at the upper end of the metal fitting body and supporting a long formwork horizontally arranged on the ground.

The metal fitting body is formed of, for example, a round bar made of steel, and the lower end thereof is formed in a pointed shape. The support portion is formed of, for example, a substantially U-shaped fitting. When a support portion formed of the U-shaped bracket is provided on the bracket body, one end of the support portion is fixed to an upper end of the bracket body with the opening of the support portion facing upward. Do. The fixing of the support portion may be performed by welding, or may be performed using bolts (screw) and nuts.
The support portion is not limited to a U-shaped bracket,
Any shape may be used as long as the upper part such as a V-shape or a concave shape has an opening, and the mold can be inserted from the opening to support the mold. An example of the long mold is a long steel pipe, but is not limited thereto. When the formwork is a steel pipe, the supporting portion is preferably substantially U-shaped.
In addition, if the mold is plate-shaped, the support portion is suitably concave.

According to the first aspect of the present invention, there is provided a metal fitting for setting a discarded concrete formwork, a plurality of metal fittings for setting up a discarded concrete formwork are prepared, and these metal fitting bodies are arranged substantially in a straight line at predetermined intervals. After being driven into the ground, the level is adjusted so that the supporting portions of the respective discarded concrete formwork mounting brackets are at the same height. For this level adjustment, drive the metal body into the ground so that the height of the support from the ground is equal, or drive each metal body into the ground to some extent, and support the long formwork on each support After that, the level is measured by placing a level on the upper surface of the mold, and the metal fitting body is driven so that the upper surface of the mold is horizontal at a predetermined height position. The plurality of discarded concrete formwork mounting brackets are driven into the ground. In the case where is cast in a rectangular shape in a plan view, it is driven on each side forming the square.

[0008] Next, a long mold is supported on each support portion of the level-adjusted discarded concrete formwork mounting bracket, so that the upper surface of the mold is horizontal at a predetermined height. Become. As described above, the use of the discarded concrete formwork mounting bracket of the first aspect simplifies installation of the formwork and level adjustment.

According to a second aspect of the present invention, there is provided a method for installing a discarded concrete formwork, wherein a plurality of the discarded concrete formwork mounting brackets are prepared, and the metal bodies of the discarded concrete formwork mounting brackets are substantially aligned at predetermined intervals. After being driven into the ground so that it is located at the level, adjust the level so that the support parts of each discarded concrete formwork mounting bracket are at the same height,
It is characterized in that a long formwork is supported by the support portion of the level-adjusted discarded concrete formwork mounting bracket.

In the method for installing a discarded concrete formwork according to a second aspect of the present invention, the long formwork is supported on a support portion of the level-adjusted discarding concrete formwork mounting bracket, thereby forming the formwork. Since it is installed, the level adjustment after the installation of the formwork is unnecessary unlike the related art, and the installation of the formwork is simplified.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows an example of a discarded concrete formwork mounting bracket of the present invention, and a discarded concrete formwork mounting bracket (hereinafter, abbreviated as a formwork mounting bracket) 1 shown in FIG. 2 and a support 3 provided at the upper end of the metal fitting body 2.

The metal fitting body 2 is formed of a steel round bar, the lower end of which is formed in a pointed shape, and the upper end thereof is formed with a mounting hole 2a for mounting the support portion 3. I have. The lower end of the metal fitting body 2 is driven substantially vertically into the ground, and the length of the metal fitting body 2 is determined according to the thickness of the discarded concrete cast on the ground. That is, when the metal fitting main body 2 is driven into the ground, the ground surface and the support portion 3 provided at the upper end of the metal fitting main body 2 are provided.
The length of the metal fitting body 2 is determined such that the distance from the metal body is longer than the thickness of the discarded concrete.

The support portion 3 is formed of a substantially U-shaped bracket, one end of which is formed in a straight line, and has a screw portion 3a and a base for the screw portion 3a. A flange 3b is formed at the end. Then, the support portion 3 having the above-described configuration is configured such that one end thereof is inserted into a mounting hole 2a formed in the metal fitting main body 2, and a nut 3c is screwed into the screw portion 3a, and a washer 3d is externally inserted. The nut 3c is tightened, and the nut 3c and the flange 3 are tightened.
By being clamped by the bracket main body 2 at b, it is attached and fixed to the bracket main body 2. When the support 3 is attached to and fixed to the metal fitting body 2, the opening of the support 3 is directed upward.

Next, a method of using the mold mounting bracket 1 having the above-described structure will be described with reference to FIGS.
In addition, in this description, a case where the waste concrete is cast in a band shape in plan view will be described as an example. First, a large number of the mold setting fittings 1 are prepared, and these mold setting fittings 1 are driven at predetermined intervals so as to be positioned substantially on a straight line. In this case, the metal fitting bodies 2 of the metal mold setting metal fittings 1 are driven on a pair of straight lines parallel to each other.

Next, each of the mold setting metal fittings 1.
Adjust the level of. This level adjustment is performed by driving the metal fitting body 2 into the ground so that the height of the support portion 3 from the ground is equal at a predetermined height position. Thereby, the support portions 3 of all the mold setting metal fittings 1 are adjusted so that their heights are equal. In addition, the said support part 3 ...
Is set according to the thickness of the discarded concrete to be cast, but this setting can be easily set by appropriately changing the length of the metal fitting body 2 driven into the ground.

Next, the mold setting metal fittings 1 which are installed on the pair of straight lines parallel to each other and whose levels are adjusted are set.
Each of the supporting portions 3 supports a long mold 5. The form 5 is formed of a steel pipe, and is
The mold 5 is horizontally supported at a predetermined height position by being inserted from the opening of the support portion 3 and supported by the arc-shaped lower surface of the support portion 3. The mold 5 formed of the steel pipe may be constituted by one steel pipe, or may be constituted by connecting a plurality of steel pipes substantially coaxially.

Next, waste concrete C is cast and leveled between the formwork 5 and 5 installed as described above such that the upper surface thereof is substantially flush with the upper surface of the formwork 5. . After the waste concrete C has hardened, the molds 5 are removed from the mold setting fittings 1 and the mold setting fittings 1 are pulled out from the ground to be removed. further,
When placing discarded concrete, remove the removed formwork 5
Then, using the metal fittings 1 for forming the formwork, the discarded concrete may be cast in the same manner as described above.

As described above, the use of the mold setting metal fittings 1 of the present embodiment simplifies the setting and level adjustment of the molds 5. Therefore, the labor required for installing the formwork is reduced as compared with the related art, and the cost can be reduced accordingly. Also, the mold setting metal fittings 1 and the molds 5 are formed.
Can be diverted when placing other discarded concrete, so that it has excellent versatility. further,
By appropriately changing the length of the metal fitting body 2 driven into the ground, the thickness of the discarded concrete can be freely set.

FIG. 4 shows another example of the metal fitting for setting abandoned concrete formwork of the present invention. The difference between the discarding formwork mounting bracket (hereinafter abbreviated as the formwork mounting bracket) 10 and the formwork mounting bracket 1 shown in this figure is that the structure of the support section and the mounting of this support section are different. Therefore, only this point will be described, and other common parts will be denoted by the same reference numerals and description thereof will be omitted. That is, the support portion 11 of the mold setting metal fitting 10 of the present embodiment includes a substantially U-shaped support portion main body 12 and a plate-shaped mounting portion 13 integrally formed at one end of the support portion main body 12. The mounting portion 13 has a through hole 13a.

In order to mount the support portion 11 on the metal fitting body 2, the mounting portion 13 is brought into contact with the upper end of the metal fitting body 2, and the through hole 13a and the mounting hole 2a are attached.
This is performed by inserting a bolt 14 into the through hole 13a and the mounting hole 2a, screwing a nut 3c into the bolt 14, externally inserting a washer 3d, and tightening the nut 3c. Also,
When the support part 11 is attached and fixed to the metal fitting body 2, the opening of the support part body 12 is directed upward. Then, the mold setting metal fitting 10 having the above configuration is used for the form setting metal fitting 1.
It can be used in the same manner as described above, and the same effect can be obtained.

[0021]

As described above, according to the first aspect of the present invention,
The metal fittings for setting abandoned concrete formwork are provided with a metal fitting body which is driven substantially vertically into the ground and a support provided at an upper end of the metal fitting body. After mounting these metal fittings on the ground so that they are positioned almost in a straight line at a predetermined interval, level the metal support so that the supporting parts of each of the discarded concrete formwork mounting hardware are at the same height. Adjusting and then level-adjusting each support portion of each of the discarded concrete formwork mounting brackets supports a long formwork, thereby simplifying the formwork installation and level adjustment. Therefore, the labor required for installing the formwork is reduced as compared with the related art, and the cost can be reduced accordingly.

Further, since the discarding metal fitting and the formwork can be diverted when placing another discarded concrete, the versatility is excellent. Furthermore, the thickness of the discarded concrete can be freely set by appropriately changing the length of the metal fittings driven into the ground.

According to the method for setting a discarded concrete formwork of the second aspect, the long formwork is supported by the support portion of the metal fitting for setting the discarded concrete formwork whose level has been adjusted.
Since the formwork is installed, level adjustment after the installation of the formwork is not required unlike the related art, and the installation of the formwork is simplified. Therefore, the labor required for installing the formwork is reduced as compared with the related art, and the cost can be reduced accordingly.

[Brief description of the drawings]

FIG. 1 is a side view showing an example of a metal fitting for setting abandoned concrete formwork of the present invention.

FIG. 2 is a side view showing a state where the formwork is supported by the discarded concrete formwork mounting bracket shown in FIG.

FIG. 3 is a perspective view showing a state where the formwork is supported by the discarded concrete formwork mounting bracket shown in FIG.

FIG. 4 is a side view showing another example of the metal fitting for setting abandoned concrete formwork of the present invention.

[Explanation of symbols]

 1,10 Discarded concrete formwork mounting bracket 2 Metal fitting body 3,11 Support part 5 Formwork C Discarded concrete

Claims (2)

[Claims] 1. A metal fitting body which is substantially vertically driven into the ground and has a rod-like shape whose upper end protrudes from the ground, and a long piece provided at the upper end of the metal fitting body and horizontally disposed on the ground. And a support portion for supporting a simple formwork. 2. A method for installing a discarded concrete formwork using the discarded concrete formwork mounting bracket according to claim 1, wherein a plurality of said discarded concrete formwork mounting brackets are prepared, and these discarded concrete molds are provided. After the metal fittings of the metal fittings for frame setting are driven into the ground so as to be positioned substantially in a straight line at a predetermined interval, the level adjustment is performed so that the support portions of the metal fittings for setting each discarded concrete form are at the same height, A method for setting up a discarded concrete formwork, wherein a long formwork is supported on the support portion of the metal fitting for setting up the discarded concrete formwork whose level has been adjusted.