JPH06146585A - Frame holder for continuous footing concrete - Google Patents

Abstract

PURPOSE:To stably and simply equip a holder for a base concrete frame and a continuous footing concrete frame in a specified position. CONSTITUTION:An inserting part 2a buried in the ground E is provided at the lower part of a vertical rod 2 and a horizontally positioning plate 3 is welded at the middle of the vertical rod 2. The lower face thereof is positioned on the placed base concrete face 4. A first support rod 7 is welded at the middle part of the vertical rod 2 and positioning pins 10-12 for the base concrete on frames 8, 9 and continuous footing concrete frames 13, 9a are erected on both right and left sides. A frame holder 1 is retained stably in a specified position by the inserting part 2a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold holder for cloth foundation concrete.

[0002]

2. Description of the Related Art Conventionally, when placing a cloth foundation concrete, first, the base concrete is placed using the base concrete formwork, and then the cloth foundation concrete formwork is placed on the upper surface of the base concrete. Are placed in parallel, and ready-mixed concrete is poured into the formwork and the cloth foundation concrete is placed.

Further, a method is also practiced in which the base concrete and the cloth foundation concrete are simultaneously placed in a state where the base concrete mold and the cloth foundation concrete mold are supported by a holder.

A holder for supporting the base concrete formwork and the cloth foundation concrete formwork is installed via mortar on the upper surface of a rubble stone for placing the base concrete, and the left and right sides of the holder are used for the base concrete. It supports the upper part of the formwork and the lower end of the formwork for fabric foundation concrete.

[0005]

However, since the above-mentioned conventional holder is installed on the upper surface of the crushed stone through the mortar, the installation work is troublesome and the surface of the crushed stone when the cloth foundation concrete and the base concrete are placed. There is a problem in that the holding tool is likely to move in the horizontal direction and is inclined, and this hinders the concrete placing work.

The object of the present invention is to solve the above problems existing in the prior art, to facilitate the installation work, and to prevent the horizontal movement or inclination of concrete when placing it to a predetermined position. It is an object of the present invention to provide a mold holder that can be surely held.

[0007]

In order to achieve the above object, the present invention is provided with a horizontal support portion supported by a base concrete placing surface at an intermediate portion of a vertical rod, and is positioned below the support portion. The rod is used as an insertion part into the ground, a supporting member extending in the lateral direction is attached to the upper part of the vertical rod, and the supporting member is provided with a positioning protrusion for positioning the base concrete formwork and the cloth foundation concrete formwork. Is taken.

[0008]

According to the present invention, the holder can be easily and surely installed at a predetermined position by inserting the insertion portion of the vertical rod into the ground on which the base concrete is placed. Further, by driving the vertical rod, the horizontal support portion is brought into contact with the placing surface of the base concrete, and the height position thereof is set. After installation, hold the base concrete formwork and the cloth foundation concrete formwork in contact with the positioning projections provided on the holders, respectively, and fill the formwork with concrete to form the base concrete and the cloth. Pour foundation concrete at the same time.

Further, since the insertion portion of the vertical rod is embedded and fixed in the ground, the whole holder is not horizontally moved or tilted at the time of pouring concrete, and it is stably held at a predetermined position and the mold Stabilize the supporting condition and make the placement positions of the base concrete and cloth foundation concrete accurate.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment embodying the present invention will now be described with reference to FIG.
~ It demonstrates based on FIG. Formwork holder 1 of this embodiment
As shown in FIG. 2, a horizontal positioning plate 3 as a supporting portion is welded and fixed at the intermediate height position of the vertical rod 2. As shown in FIG. 1, the horizontal positioning plate 3 is supported on a base concrete placing surface 4 through a height adjusting plate 5 as necessary, and a lower end insertion portion 2a of the vertical rod 2 is embedded in the underground E. It Base concrete placing surface 4 is rubble stone 6 on the ground
Are arranged and pressed against the ground with a predetermined pressure by a machine.

A first support rod 7 is horizontally welded and fixed to an intermediate portion of the vertical rod 2. The first support rod 7 is formed with support portions 7a and 7b for supporting the base concrete forms 8 and 9, and the upper part of the rod 7 regulates the position of the base concrete forms 8 and 9 in the horizontal direction. Positioning pins 10 and 12 are provided upright. or,
Similarly, a positioning pin 11 is erected at a position spaced apart from the positioning pin 10 by a predetermined distance, and the lower end of the cloth foundation concrete formwork 13 can be engaged between the pins 10 and 11.

An upright portion 14a of an L-shaped second support rod 14 is welded and fixed to one side of the upper portion of the vertical rod 2. Further, on the horizontal portion 14b of the support rod 10, two positioning pins 16 and 17 for positioning the lower end portion of the cloth foundation concrete formwork 15 having a short vertical length are provided upright.

A lower end portion of an anchor bolt 18 is welded and fixed to an upper end portion of the vertical rod 2. Reference numeral 19 is a nut screwed into the screw portion 18a of the anchor bolt 18. The mold foundation concrete molds 13 and 15 are held at a predetermined width at the upper end by a mold frame holding fixture 20.

In addition, on the right side in FIG. 1, a cloth foundation concrete form 9 is provided above the base concrete form 9.
a is integrally formed. Then, an opening H having a predetermined width is provided between the upper edge of the cloth foundation concrete mold 9a and the lower end surface of the cloth foundation concrete mold 15 on the right side.
Are formed.

It should be noted that the vertical rod 2 is horizontally provided with a position regulating projection 22 for preventing the vertical rod 2 from being displaced in the base concrete C1. next,
A base concrete formwork 8 configured as described above,
9. A method for simultaneously placing the base concrete C1, the cloth foundation concrete C2, and the moisture-proof concrete C3 by using the cloth foundation concrete forms 13 and 15 and the holder 1 for holding these forms will be described.

To install the form holder 1 in place,
Vertical rod 2 in the underground E below the concrete placing surface 4
The insertion portion 2a is driven, and the driving of the vertical rod 2 is completed at the position where the lower surface of the horizontal positioning plate 3 contacts the upper surface of the driving surface 4. At this time, if it is desired to change the vertical position of the vertical rod 2, the height adjusting plate 5 may be interposed between the quarry stone 6 and the horizontal positioning plate 3.

In this way, the form holder 1 can be installed very easily at a predetermined location. Next, the positioning pins 10, 11, 12 provided on the horizontal support rod 7
To support the base concrete forms 8 and 9 and one of the cloth foundation concrete forms 13.

Further, the lower ends of the cloth foundation concrete formwork 15 are fitted to the positioning pins 16 and 17 provided on the second support rod 14. The space between the upper ends of the two molds 13 and 15 is held by a space holder 20. The mold holder 1 is installed in parallel with each other at a predetermined pitch according to the width of each mold 8, 9, 13, 15 in the horizontal direction.

In this state, ready-mixed concrete is filled in the inner spaces of the base concrete forms 8 and 9 and the cloth foundation concrete forms 13 and 15, and the base concrete C1 and the cloth foundation concrete C2 shown in FIG. 3 are filled.
To place. At the same time, the moisture-proof concrete C3 is placed using the opening H so as to be integrated with the cloth foundation concrete C2.

At the time of placing the base concrete C1 and the cloth foundation concrete C2, since the mold holder 1 is composed of the vertical rods 2 and the horizontal support rods 7, the pouring work of the ready-mixed concrete can be carried out smoothly. .

In particular, in the formwork holder 1 of this embodiment, since the insertion portion 2a provided in the lower half of the vertical rod 2 is inserted and fixed in the ground E, the formwork holder 1 is used when pouring concrete. Does not move or tilt horizontally.

Next, another embodiment of the present invention will be described with reference to FIGS.
It will be described based on. In another example shown in FIG. 4, a threaded portion 2b is provided on the upper end of the vertical rod 2, and a nut 23 welded and fixed to the first support rod 7 is screwed onto the threaded portion 2b. In this embodiment, by adjusting the screwing position of the nut 23, the height of the support rod 7 can be adjusted while the horizontal positioning plate 3 is directly mounted on the concrete placing surface 4 without using the height adjusting plate 5. Can be adjusted. Therefore, it is possible to adjust the height of the base concrete forms 8 and 9 and the height of the cloth foundation concrete forms 13 and 15.

In another example shown in FIG. 5, a threaded portion 2b is formed at the lower end of the vertical rod 2, a nut 25 is screwed onto the threaded portion 2b, and the upper end of the insertion tube 26 is fixed to the nut 25. ing. The horizontal positioning plate 3 is welded and fixed to the upper end of the insertion tube 26. Therefore, by changing the screwing position of the nut 25, the height of the first supporting rod 7 can be adjusted without using the height adjusting plate 5.

In another example shown in FIGS. 4 and 5, a pin 12A may be provided corresponding to the positioning pin 12 to support a form similar to the form 13 for cloth foundation concrete. In another example shown in FIG. 6, a nut 28 welded and fixed to a horizontal support rod 27 is screwed into a threaded portion 2b provided at an upper end portion of the vertical rod 2, so that the rod 27 and the first support rod 7 are connected.
Are connected to each other by connecting rods 29 and 30, and the upper end of the connecting rod 29 serves as a positioning pin 29a. or,
A ring 3 for inserting the vertical rod 2 in the middle portion of the support rod 7.
1 is provided.

Therefore, also in this other example, the height of both rods 7 and 27 can be adjusted without using the height adjusting plate 5 by changing the screwing position of the nut 28.

Another example shown in FIG. 7 is positioning pins 10, 11, 12, 12A for supporting cloth foundation concrete formwork 13, 13 on the left and right sides of the first support rod 7 in a symmetrical manner.
Is formed.

In another example shown in FIG. 8, the mounting frame 42 is fixed to the upper surface of the supporting plate 41, and the reinforcing plate 43 is interposed between the supporting plate 41 and the mounting frame 42. Further, a frame support plate 44 is horizontally fixed to the upper surface of the mounting frame 42, and position restricting pieces 45, 46, 47 are cut and formed on the support plate 44. A column 48 is provided on the upper surface of the form support plate 44, and a form support plate 49 is horizontally supported on the upper end of the form support plate 49. The support plate 49 has position regulating pieces 50, 51 for the cloth foundation concrete form 15. Are formed.

Further, a vertical rod 52 is fixed through the supporting plate 41, the mounting frame 42, the frame supporting plate 44 and the frame supporting plate 49 so as to project downward from the supporting plate 41.
a is inserted into the underground E. Further, a portion projecting upward from the mold frame support plate 49 is a driving portion 52b.

Also in the case of this other example, by driving the insertion portion 52a of the vertical rod 52 into the underground E, the holder 1 is prevented from horizontally moving and falling, and at the same time, the base concrete C1, the cloth foundation concrete C2 and It becomes possible to pour moisture-proof concrete C3 at the same time.

Further, the present invention is not limited to the above-mentioned embodiment, and for example, well-known anti-slip ridges and projections may be formed on the vertical rod 2, the horizontal rod 7, the anchor bolt 18, etc., or the vertical rod 2 may be formed. The configuration of each part can be arbitrarily modified and embodied, for example, by using a plurality of insertion parts 2a without departing from the spirit of the present invention.

[0031]

As described above in detail, according to the present invention, the concrete form holder can be easily installed at a predetermined position, and horizontal movement and inclination after setting can be prevented to prevent the base concrete and The work for placing the cloth foundation concrete can be performed reliably and quickly.

[Brief description of drawings]

FIG. 1 is a sectional view showing a state in which a base concrete formwork and a cloth foundation concrete formwork are supported by a formwork holder embodying the present invention.

FIG. 2 is a perspective view of a form holder.

FIG. 3 is a cross-sectional view after completion of concrete pouring.

FIG. 4 is a perspective view showing another example of the present invention.

FIG. 5 is a perspective view showing another example of the present invention.

FIG. 6 is a perspective view showing another example of the present invention.

FIG. 7 is a sectional view showing another example of the present invention.

FIG. 8 is a perspective view showing another embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Formwork holder, 2 Vertical rods, 2a Insertion part, 3 Horizontal positioning plate as a support part, 7 2nd support rod,
8 and 9 base concrete formwork, 10 to 12 positioning pins, 9a and 13 cloth foundation concrete formwork.

Claims (1)

[Claims] 1. A horizontal support part (3) supported by a base concrete placing surface (4) is provided at an intermediate part of a vertical rod (2), and a rod positioned below the support part (3) is provided. A supporting member (7) extending in the lateral direction is attached to the upper part of the vertical rod (2) as an insertion portion (2a) into the ground, and the supporting member (7) has a base concrete formwork (8, 9) and A form-holding tool for cloth-based concrete, which is provided with a positioning protrusion for positioning the form-frame (13, 9a) for the cloth-based concrete.