JP2002097791A - Form support metal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a form support metal capable of disposing a form to be erected inside in a mat foundation in the state of suspending the form easily and precisely over a planned ceiling surface of a base. SOLUTION: A form support member 6 provided with a form positioning support 5 at both ends of the upper face of the flat plate is screwed into the screw shaft 4 erected on the upper face of a ground plate 3. Vertical installation position is freely adjustable by rotating the form support member 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a formwork support used for integrally forming a base and a rise when constructing a solid solid foundation for a wooden building.

[0002]

2. Description of the Related Art Conventionally, a concrete solid foundation has been constructed by placing a base on an excavated portion and then assembling a formwork on an upper surface thereof to form a rise.

[0003] Such a construction method in which the base and the rising are separately cast has a problem that a seam is formed between the base and the rising, and water enters from the seam and the strength of the seam is reduced. In order to solve such a problem, in recent years, a construction method in which a base and a rising are integrally cast has been considered.

[0004]

However, there are several technical problems that must be solved in implementing the method of casting the base and the rise integrally.

[0005] For example, in order to integrally form the rising inside of the solid foundation with the base, a rising mold is placed on the planned top surface of the base in a floating state, and the space between the opposing surfaces of the mold is set. The concrete is poured and the concrete flows out from the lower part of the formwork into the space where the base is formed, thereby integrating the rising and the base.

Therefore, in order to carry out the construction method in which the base and the rising are integrally cast, it is necessary to dispose the rising formwork in a floating state. Ingenuity is needed.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a form supporting metal which can easily and accurately arrange a form for internal rising on a solid foundation in a state of being floated on a plan top surface of a base. It is in.

[0008]

According to a first aspect of the present invention, there is provided a ground plate, a screw shaft erected on the ground plate, and a mold at both ends on the upper surface of the band plate. A frame support member provided with a frame positioning support portion, and a vertical through-hole that is inserted through a screw shaft is provided at a central portion of the mold support member, and a screw hole that screws the through portion to the screw shaft is provided. The structure formed in FIG.

According to a second aspect of the present invention, there is provided a grounding plate, a screw shaft erected on the grounding plate, a form supporting member provided with positioning support portions for the form at both ends on the upper surface of the strip, and a screw shaft. A vertical through-hole that is inserted into a screw shaft at the center of the form support member, and the form support member is supported by the nut screwed to the screw shaft. Is adopted.

Here, the screw shaft is placed upright by placing a grounding plate on a previously cast discarded concrete, a form support member is attached to the screw shaft, and the mold is supported by both ends positioning support portions. By supporting the frame, it is possible to arrange the form in a state of being floated on the planned top surface of the base, and by adjusting the position of the form support member with respect to the screw shaft,
Even if the height of the abandoned concrete is different, the height position of the top of the formwork can be accurately adjusted.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 (A) shows a first example of a formwork support 1 used in a construction method in which a base and a rising in a solid foundation are integrally cast, and a ground contact having nail driving holes 2 at four corners. Plate 3 and screw shaft 4 erected at the center of the upper surface
And a form support member 6 provided with form positioning support portions 5 at both ends on the upper surface of the strip-shaped metal plate, and a vertical direction through which the screw shaft 4 is inserted into the center of the form support member 6. A through hole is provided, and the through hole is screwed into the screw shaft 4.
It is a structure formed in.

The support portions 5 provided at both ends of the form supporting member 6 are bent pieces 5a obtained by bending the ends of the strip-shaped metal plate upward at right angles, and bent pieces 5a on the upper surface of the strip-shaped metal plate and the bent pieces 5a. An inner supporting piece 5b protruding at a position at a thickness interval, and a penetrating portion provided at the center position is provided with a hole having a diameter larger than the screw shaft 4 in the band-shaped metal plate. A nut 8 having a screw hole to be screwed with the screw shaft 4 is formed on the back surface of the plate by welding in a coaxial arrangement with the hole.

In order to set the screw shaft 4 upright on the upper surface of the ground plate 3, a nut 9 is fixed to the upper surface of the ground plate 3 by welding, and the lower end of the screw shaft 4 is detachably screwed to the nut 9. It is designed to be attached.

In the mold support 1 of the first example, the form support member 6 is attached by screwing a screw hole 7 to the screw shaft 4, and the form support is rotated by rotating the form support member 6. The height position of the frame support member 6 can be freely adjusted.

FIG. 1 (B) shows a second example of the form support metal 1, which includes a ground plate 3, a screw shaft 4 erected at the center of the upper surface, a form support member 6, and the above screw shaft. 4, the ground plate 3 and the screw shaft 4
And the form support member 6 is also substantially the same as the first example. However, the form support member 6 has a through hole 11 in the vertical direction that is inserted into the screw shaft 4 at the center. The nut is screwed onto the screw shaft 4 by inserting the through-hole 11 through the screw shaft 4, and the nut 10 is rotated. The position can be freely adjusted.

In each case, the screw shaft 4 is set to be longer than the thickness of the base, and the diameter thereof is increased in proportion to the length so that the form supporting strength can be secured.

The form supporting metal according to the present invention has the above-described configuration. Next, a method of constructing a solid foundation for integrally casting a base and a rise using the form supporting metal 1 will be described.

As shown in FIG. 2, the ground of the solid foundation construction portion is excavated, and a stone 22 is laid on the bottom of the solid foundation 22. Is formed, the ground plate 3 is arranged on the center of the ground of the ground ink at an interval capable of supporting the formwork, and a concrete nail is driven into the nail driving hole 2 and fixed.

Thereafter, reinforcing steel bars 23 for the foundation are assembled and disposed on the discarded concrete 22, and the outer formwork 24 for the rising B from the base A is formed on the outer periphery of the solid foundation.
Then, the inner formwork 25 whose lower end becomes the planned top surface of the base A is arranged. The inner formwork 25 is provided with the reinforcing bar 2
By supporting the lower end with the L-shaped support hardware 27 welded and fixed at 6, the base A is placed on the planned top surface.

Further, at the portion where the internal rising C is formed, the lower end of the screw shaft 4 is screwed up to the nut 9 of each ground plate 3 previously fixed, and is arranged upright. 6, the frame supporting hardware 1 is assembled, and the internal rising frame 28 is placed on the supporting portions 5 provided at both ends between the frame supporting members 6 in the plurality of frame supporting hardware 1 so as to face each other. The opposite rising mold forms 28 are joined by a separator.

When the mold support 1 of the first example is used, the nut 8 of the form support 6 is screwed onto the screw shaft 4 and the form support 6 is rotated to increase the height. Adjustment is performed so that the internal rising formwork 28 is floated with its lower end aligned with the planned top surface of the base A.

In the case where the mold supporting metal member 1 of the second example is used, a nut 10 is screwed into the screw shaft 4 and then the through hole 11 of the mold supporting member 6 is inserted into the screw shaft 4. Nut 10
To support the form support member 6 and adjust the height by rotating the nut 10 so that the internal rising formwork 28 is arranged in a floating state with its lower end aligned with the planned top surface of the base A. .

As described above, since the height of the form supporting member 6 of the form supporting metal member 1 is adjustable, as shown in FIG.
As shown in (B), by supporting the internal rising formwork 28 with a plurality of formwork support hardware 1 and adjusting the height of each formwork support member 6, the height of the surface of the discarded concrete 22 is increased. Even if there is a different part, the internal rising formwork 28
Can be aligned horizontally.

In each case, the form support member 6
After the height adjustment, another nut is screwed into the screw shaft 4 in a double nut shape, and the form support member 6 is tightened and fixed from the upper surface side so that the form support member 6 is fixed so as not to move upward. To

Further, the form supporting member 6 holds the bent piece 5a of the supporting portion 5 in a state of supporting the internal rising form 28.
Is bent inward, and the internal rising formwork 28
By holding the lower portion of the mold so as to sandwich it, it is preferable to prevent the rise of the rising frame 28 inside. Therefore, the form supporting member 6 is supported by the supporting portion 5.
The bending piece 5a has a strength that can be bent.

When the assembling of the formwork is completed as described above, concrete is poured into the rising formwork 24, 25, 28, 28. The concrete flows from the inside of the formwork to the base A, and the rising formwork 24, 25 and 2
When the concrete is filled up to the tops of 8, 28, concrete is replenished from above to fill the insufficient portion of the base A with the planned top surface of the base A.

If the formwork is dismantled after the concrete poured in this way is solidified, a solid foundation in which the base A and the risers B and C are integrated is completed.

[0029]

As described above, according to the present invention, the form support member is attached to the screw shaft erected on the ground plate.
Since the mounting height position of this form support member can be adjusted, the form for internal rising in the solid foundation can be easily and accurately placed in a state of floating above the plan top surface of the base, It is possible to build a solid foundation in which the base and the internal rise are integrated.

Further, by making the mounting height position of the form supporting member adjustable, even if there is a portion having a different height on the surface of the discarded concrete, the top end of the internal rising form is horizontally aligned. It is possible to build a solid foundation with excellent top-end accuracy of internal rise.

[Brief description of the drawings]

FIG. 1A is an exploded perspective view showing a first example of a mold support, and FIG. 1B is an exploded perspective view showing a second example of the form support.

FIG. 2A is a vertical front view showing a construction state of a solid foundation in which a base and a rise using a formwork supporting metal are driven together, and FIG. 2B is a vertical side view of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Form support metal 2 Nail driving hole 3 Ground plate 4 Screw shaft 5 Form positioning support part 6 Form support member 7 Screw hole 8 Nut 9 Nut 10 Nut 11 Through hole

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[Procedure amendment]

[Submission date] October 13, 2000 (2000.10.
13)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0025

[Correction method] Change

[Correction contents]

In each of the examples, FIG.
As illustrated in (B), after adjusting the height of the form support member 6, another nut 12 is screwed into the screw shaft 4 in a double nut shape, and the form support member 6 is tightened and fixed from the upper surface side, The form support member 6 is fixed so as not to move upward.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] Figure 3

[Correction method] Added

[Correction contents]

FIG. 3 (A) shows a second example for fixing to a formwork support.
Exploded perspective view with nuts added.
Construction condition of solid foundation that casts base and rising together
A longitudinal front view showing

[Procedure amendment 3]

[Document name to be amended] Drawing

[Correction target item name] Figure 3

[Correction method] Added

[Correction contents]

FIG. 3

Claims (2)

[Claims] 1. A form support comprising: a ground plate; a screw shaft erected on the ground plate; and a form support member provided with form support portions at both ends on the upper surface of the strip. A mold supporting metal member having a vertical through-hole that is inserted into a screw shaft at the center of the member, and the through-hole is formed in a screw hole that is screwed into the screw shaft. 2. A grounding plate, a screw shaft erected on the grounding plate, a form support member provided with positioning support portions of the form at both ends on the upper surface of the strip, and screwed to the screw shaft. A mold supporting metal member comprising a nut, a vertical through hole inserted into a screw shaft at a central portion of the mold supporting member, and the mold supporting member supported by the nut screwed to the screw shaft.