JP2023129074A - Frame mold set - Google Patents

Abstract

To precisely configure a foundation without affecting workability in removing a frame mold or the recycling property of the frame mold.SOLUTION: A frame mold set comprises a rail member 60 fitted to a base 1, an outer surface frame mold 20 arranged upward from the base 1 while its lower end is supported by the rail member 60 and an engagement mechanism 70 for engaging between the rail member 60 and the outer surface frame mold 20. The engagement mechanism 70 has an engaged part 71 integrated with the rail member 60 and an operation engagement part 72 movably provided at the outer surface frame mold 20. When the operation engagement part 72 is arranged at a predetermined engagement position, the operation engagement part 72 faces the engaged part 71, thereby restricting the upward movement of the outer surface frame mold 20 with respect to the rail member 60.SELECTED DRAWING: Figure 6

Description

The present invention relates to a formwork set for constructing the foundation of a building such as a single-family house.

When constructing the foundation of a building such as a single-family house, formwork is placed on the top surface of the base of concrete, etc., facing each other, and concrete is poured between the formwork. ing. In addition, in the case of a solid foundation having a pressure platen part and a rising part, a fixture is provided on the formwork that forms the outer surface of the rising part, and the lower edge of the formwork that forms the inner surface of the rising part is supported by the fixture. A set of formwork has also been applied. According to this formwork set, it is possible to construct the pressure platen part and the rising part at the same time in one concrete pouring (see, for example, Patent Document 1).

JP2018-31131A

By the way, when pouring concrete between formwork, there is a possibility that the formwork will float upwards relative to the foundation, which may affect the accuracy of the foundation. In particular, in a formwork set such as Patent Document 1, in which one formwork is placed floating from the base via a fixture, the formwork is pressed upward from below, so the above-mentioned problem occurs. The problem becomes even more obvious. These problems can be solved, for example, by fixing the formwork forming the outer surface of the rising portion to the base using anchor members such as nails. However, in a typical formwork set, the formwork is often removed and reused after the concrete has hardened. For this reason, when anchor members are applied, not only does the work when removing the formwork become complicated, but there is a risk of damaging the formwork, and there is a concern that it will affect the reusability of the formwork. be.

In view of the above-mentioned circumstances, an object of the present invention is to provide a formwork set that allows a foundation to be constructed with high accuracy without affecting the workability when removing the formwork or the reusability of the formwork. shall be.

In order to achieve the above object, a formwork set according to the present invention includes a support member attached to a base, and a formwork disposed upward from the base with a lower edge supported by the support member. and an engagement mechanism that engages between the support member and the formwork, and the engagement mechanism includes an engaged portion provided on either the formwork or the support member, and an engagement mechanism that engages between the support member and the formwork. and an operation engagement part movably provided on the other side, and when the operation engagement part is arranged at a predetermined engagement position, the operation engagement part faces the engaged part. It is characterized in that upward movement of the formwork with respect to the support member is restricted.

According to the present invention, the upward movement of the formwork relative to the support member can be restricted by arranging the operating engagement portion at the engagement position, thereby preventing the formwork from lifting when concrete is poured. This eliminates the possibility that the accuracy of the foundation will be compromised. Moreover, by operating the operation engagement part, it is possible to switch between the state of facing the engaged part and the state of not facing the engaged part, so the work when removing the formwork is not complicated, and the mold Since there is no risk of damaging the frame, there is no concern that it will affect the reusability of the formwork.

This figure shows a formwork set that is an embodiment of the present invention, (a) is a view of the external formwork alone forming the external surface at the rising part of the foundation provided on the outer circumferential side, as seen from the external surface side, (b) 1 is a view of the assembled state viewed from the outer peripheral side, and (c) is a longitudinal cross-sectional view of (b). FIG. 2 is a plan view of the main parts of the formwork set shown in FIG. 1 in an assembled state. FIG. 2 is an enlarged vertical cross-sectional view of the formwork set shown in FIG. 1. FIG. FIG. 2 is an enlarged view of the main parts of the formwork set shown in FIG. 1 , showing the connected state of the external formworks as viewed from the outer surface side. FIG. 2 is a vertical cross-sectional view schematically showing a solid foundation to be constructed by the formwork set shown in FIG. 1. FIG. It shows the main parts of the formwork set shown in FIG. 1, in which (a) is an enlarged vertical cross-sectional view showing the lower part of the outer formwork and the support member, and (b) is a cross-sectional view of (a). 2 shows an operating engagement portion of an engagement mechanism applied to the formwork set shown in FIG. 1, in which (a) is a plan view, (b) is a front view, and (c) is a side view. This figure shows the state after the concrete poured in the formwork set shown in Fig. 1 has hardened, where (a) is a vertical cross-sectional view with the fixing member removed from the support body of the formwork support member, and (b) ) is a vertical cross-sectional view of the external formwork separated from the concrete.

Hereinafter, preferred embodiments of a form set according to the present invention will be described in detail with reference to the accompanying drawings.
1 to 4 show a formwork set according to an embodiment of the present invention. As shown in FIG. 5, the formwork set exemplified here constitutes the foundation 2 of a building H such as a single-family house, and in particular has a pressure platen part 2A and a rising part 2B on the top surface of the base 1, such as disposable concrete. , 2C is suitable for constructing the solid foundation 2 with one concrete pouring. As shown in FIGS. 1 to 4, this formwork set includes an inner formwork 10, an outer formwork 20, a formwork support member 30, an upper end reinforcing member 40, a width stopper member 50, and a rail member (supporting member) 60. We are prepared.

The inner formwork 10 and the outer formwork 20 each have a plate shape with flat inner surfaces 10a and 20a, and concrete is poured between them with the inner surfaces 10a and 20a facing each other. be. The inner formwork 10 is for constructing an inner surface 2Ba that protrudes upward from the upper surface of the pressure platen 2A at a rising portion 2B provided on the outer peripheral side of the solid foundation 2. In this embodiment, the inner formwork 10 is a rectangular plate formed from metal such as steel.

The outer formwork 20 is for configuring an outer surface 2Bb that protrudes upward from the upper surface of the base 1 at a rising part 2B provided on the outer circumferential side, and is placed above and below the inner formwork 10 by the thickness of the pressure platen part 2A. It has a horizontally long rectangular shape with a large horizontal dimension. In this embodiment, the outer formwork 20 includes a panel 21 having a flat plate shape and a frame member 22 attached to the outer surface of the panel 21. The panel 21 is a thin plate formed from a non-metal such as plywood. Although not clearly shown in the figure, the inner surface 20a of the panel 21 is provided with a resin film or coated with a mold release material in order to improve mold release properties from hardened concrete.

The frame material 22 is formed into a hollow rectangular tube shape by extrusion molding metal such as aluminum alloy, and is attached along the upper edge, lower edge, and both side edges on the outer surface of the panel 21. It is also attached along the top and bottom at approximately the middle of the length. That is, on the outer surface of the panel 21, vertically extending frame members (hereinafter referred to as vertical frame members 22a to be distinguished) are attached at approximately equal intervals on both sides and in the middle portion.

Among these, two vertical frame members 22a adjacent to each other on the left and right, in the illustrated example, the vertical frame member 22a provided at the right edge when viewed from the outer surface side of the panel 21, and the vertical frame member 22a provided in the center, A support screw insertion hole 23 is provided in each, and a connection screw insertion hole 24 is provided in each of the vertical frame members 22a provided at the edges on both sides. The support screw insertion holes 23 are formed in the lower part of the vertical frame member 22a so as to be perpendicular to the surface of the panel 21 and to penetrate through the vertical frame member 22a and the panel 21, and are provided at a plurality of positions at different heights. It is provided in These support screw insertion holes 23 are for inserting fixing screw members 32 of a formwork support member 30, which will be described later. The connecting screw insertion holes 24 are formed to penetrate substantially horizontally along the surface of the panel 21 at the upper and lower ends of the vertical frame member 22a, respectively. The connecting screw insertion hole 24 is for connecting the outer formworks 20 with each other by passing the connecting screw member S through each of the outer formworks 20 arranged side by side on the left and right.

A frame member provided along the upper edge of the panel 21 (hereinafter referred to as upper frame member 22b for distinction) is attached close to the upper edge of the panel 21. On the other hand, a frame member provided along the lower edge (hereinafter referred to as lower frame member 22c when distinguished) is attached with an insertion space 22d secured between it and the lower edge of the panel 21.

The formwork support member 30 holds the inner formwork 10 and the outer formwork 20 in a state where they are opposed to each other, and includes a support body 31 and a fixing screw member 32. The support body 31 has a rod shape with a connecting male threaded part 31a at one end and an adjusting male threaded part 31b at the other end, and has a cone on the connecting male threaded part 31a. The member 31c is provided, and the adjustment male screw portion 31b is provided with a formwork receiving portion 31d.

The cone member 31c is molded from resin and has a truncated cone shape with a tapered outer peripheral surface. At the center of the cone member 31c, a female screw portion 31e into which the connecting male screw portion 31a of the support body 31 can be screwed is provided so as to penetrate through both end faces. The female screw portion 31e is, for example, a metal cylindrical member embedded in the center of the cone member 31c, and provided on the inner peripheral surface of the cylindrical member. A connecting male threaded part 31a is removably screwed into the female threaded part 31e from the narrow end of the cone member 31c. The formwork receiving part 31d is for supporting the lower surface of the inner formwork 10 described above, and has a base end that penetrates through a screw insertion hole (not shown) into the adjustment male screw part 31b, and both ends. It is held between the nut members 31f screwed together. An accommodation groove 31g capable of accommodating the lower edge of the inner formwork 10 is provided at the tip of the formwork receiving portion 31d. The position of this formwork receiving part 31d can be changed as appropriate by adjusting the screwing position of the two nut members 31f with respect to the adjusting male screw part 31b.

The fixing screw member 32 has a screw shaft portion 32a that can be screwed into the female screw portion 31e of the cone member 31c, and a screw head portion 32b that has a larger diameter than the screw shaft portion 32a. The length of the screw shaft portion 32a is set to such a length that it protrudes from the inner surface 20a of the panel 21 when inserted into the support screw insertion hole 23 of the outer formwork 20.

The upper end reinforcing member 40 is disposed at the upper end of the outer formwork 20 via a holding fitting 41, and, like the frame member 22, is formed into a rectangular tube shape made of metal such as an aluminum alloy. The illustrated upper end reinforcing member 40 has a larger cross section than the frame material 22 and is formed to have a longer length than the entire length along the left and right sides of the outer formwork 20, and is provided along the upper edge of the panel 21. It is possible to arrange it along the upper frame member 22b and over a plurality of outer formworks 20 adjacent to each other on the left and right.

The width stopper member 50 is provided to prevent the distance between the inner formwork 10 and the outer formwork 20 from changing by spanning between the upper ends of the inner formwork 10 and the outer formwork 20.

The rail member 60 is an extruded member formed from a metal such as an aluminum alloy, and is configured to have a uniform cross-sectional shape over its entire longitudinal length. In this embodiment, the rail member 60 is configured by providing an insertion groove 62 at one end of the mounting plate portion 61. This rail member 60 can be fixedly attached to the base 1 by driving an anchor member AN into the upper surface of the base 1 via the mounting plate portion 61 with the insertion groove 62 open upward. The insertion groove 62 is for holding the outer formwork 20 in an upright position upward from the base 1 with the lower edge of the panel 21 inserted therein. Although not clearly shown in the figure, the longitudinal dimension of the rail member 60 is set to be the length of a plurality of outer formworks 20, for example, three pieces.

An engagement mechanism 70 is provided between the rail member 60 and each outer formwork 20. The engagement mechanism 70 has an engaged portion 71 and an operation engagement portion 72, and by arranging the engaged portion 71 and the operation engagement portion 72 at positions facing each other vertically, the outer surface relative to the rail member 60 is This restricts upward movement of the formwork 20. In this embodiment, as shown in FIGS. 3, 6, and 7, the rail member 60 is provided with an engaged portion 71, and the lower frame member 22c of the outer formwork 20 is provided with an operation engaging portion 72. The engagement mechanism 70 is configured as follows. The engaged portion 71 is formed in the shape of a tongue extending substantially horizontally by bending the upper edge of the side plate 62a that is close to the mounting plate portion 61 in the two side plates 62a and 62b that constitute the insertion groove 62. This is what I did. The operation engagement part 72 has a plate shape that is rotatably supported on the lower surface of the mounting bracket 73 via a vertically extending support shaft 74, and is attached to the lower surface of the lower frame member 22c via the mounting bracket 73. There is. The tip of the operation engaging portion 72 extends substantially horizontally, and is located below the engaged portion 71 when the panel 21 of the outer formwork 20 is placed in the insertion groove 62 of the rail member 60. It is configured to do so. A base end portion of the operating engagement portion 72 is bent downward at a substantially right angle. As shown in FIG. 6(b), when the operation engaging portion 72 is disposed at a position along the length of the lower frame member 22c (hereinafter referred to as the non-engaging position), the operation engaging portion 72 is located in the lower area of the engaged portion 71. On the other hand, if the proximal end protrudes from the lower frame member 22c and is placed at a position (hereinafter referred to as the engaged position) that is substantially orthogonal to the longitudinal direction of the lower frame member 22c, the distal end becomes engaged. Its dimensions are set so that it faces the engaged portion 71 in the lower region of the joint portion 71 . The operation engagement portions 72 placed in the engagement position do not need to be in contact with the engaged portion 71, but only need to be vertically opposed to each other. In the illustrated example, one operating engagement portion 72 is provided at approximately the center of the outer formwork 20.

When constructing the solid foundation 2 by applying the formwork set configured as described above, after appropriately placing reinforcement 80 on the upper surface of the base 1, the outer surface of the rising portion 2B on the outer peripheral side on the upper surface of the base 1 is The outer formwork 20 is placed in a portion corresponding to 2Bb via the rail member 60. More specifically, after the rail member 60 is fixed to the upper surface of the base 1 via the mounting plate portion 61, the lower end portion of the panel 21 is inserted into the insertion groove 62 of the rail member 60. Further, by operating the operation engagement portion 72, the rail member 60 and the lower frame member 22c of the outer formwork 20 are engaged. In this state, the operation engaging portion 72 engages with the rail member 60, thereby preventing the outer formwork 20 from moving upward with respect to the base 1.

The formwork support member 30 may be attached to the outer formwork 20 disposed on the rail member 60 in advance, or the formwork support member 30 may be attached after the external formwork 20 is disposed on the rail member 60. To attach the formwork support member 30 to the external formwork 20, the cone member 31c is brought into contact with the part of the inner surface 20a of the panel 21 that faces the support screw insertion hole 23, and from this state, the support of the vertical frame member 22a is removed. The fixing screw member 32 may be screwed into the female screw portion 31e of the cone member 31c through the support screw insertion hole 23 of the panel 21 and the support screw insertion hole 23 of the panel 21. That is, when the fixing screw member 32 is screwed into the cone member 31c, the outer formwork 20 is inserted between the end face of the cone member 31c and the screw head 32b of the fixing screw member 32 via the vertical frame member 22a. It becomes possible to clamp the panel 21, and as a result, the support main body 31 of the formwork support member 30 is supported in a cantilever manner so as to protrude substantially horizontally from the inner surface 20a of the panel 21. The support screw insertion hole 23 may be appropriately selected depending on the protruding dimension of the rising portion 2B from the pressure platen portion 2A.

The left and right external forms 20 arranged on the rail member 60 are connected to each other by passing the connecting screw member S through the connecting screw insertion hole 24 of the adjacent vertical frame member 22a, and By disposing the upper end reinforcing member 40 so as to span the holding fitting 41 provided at the upper end, the mutual connection is reinforced. Further, in the illustrated example, by engaging the other end of the support member 90, one end of which is fixed to the base 1, the ground, etc., with the connecting screw member S that connects the upper parts of the vertical frame members 22a. This is to prevent the outer formwork 20 from falling toward the outer periphery. Note that corner members 100 are provided at the protruding corners of the rising portions 2B so that the outer formworks 20 are continuous with each other.

If the inner formwork 10 is placed on the formwork receiving part 31d of the formwork support member 30 from the above-mentioned state, and the space between the formwork receiving part 31d and the inner formwork 10 is appropriately fixed, the structure will be lifted from the base 1. In this state, the inner formwork 10 can be placed opposite the outer formwork 20. Thereafter, a width stopper member 50 is interposed between the upper end of the outer formwork 20 and the upper end of the inner formwork 10, and from this state, the inner surface 20a of the outer formwork 20 and the inner surface 10a of the inner formwork 10 are By pouring concrete between them, the pressure platen portion 2A of the solid foundation 2 and the rising portion 2B on the outer circumferential side can be constructed by one concrete pouring.

At this time, according to the formwork set described above, since the outer formwork 20 is engaged with the rail member 60 via the engagement mechanism 70, the outer formwork 20 remains in place even when concrete is poured. There is no risk of it floating upwards. Similarly, there is no fear that the inner formwork 10 connected to the outer formwork 20 via the formwork support member 30 will float upward. That is, even when concrete is poured, there is no fear that the outer formwork 20 and the inner formwork 10 will rise, and the solid foundation 2 can be constructed with high precision. In addition, since the outer surface formwork 20 is constructed by providing the frame material 22 on the outer surface of the panel 21, and the formwork support member 30 is disposed to sandwich the panel 21 and the frame material 22, concrete can be poured. Even when this is done, a situation in which the outer formwork 20 and the formwork support member 30 are tilted relative to each other can be prevented. Therefore, the accuracy of the solid foundation 2 can be made even better.

After the concrete has hardened, the width stopping member 50, the connecting screw member S, and the upper end reinforcing member 40 are removed, and then the outer formwork 20 and the rail member 60 are removed to complete the work of constructing the solid foundation 2. Here, in the above-mentioned formwork set, if the operation engagement part 72 is operated and placed in the non-engagement position along the lower frame material 22c, the engagement state between the outer formwork 20 and the rail member 60 can be changed. Can be canceled. Further, when the fixing screw member 32 is removed from the cone member 31c, there is no member protruding from the outer surface 2Bb of the concrete. Therefore, when removing the outer formwork 20, the direction of movement is not restricted. For example, as shown in FIG. can be separated. As a result, the work when removing the outer formwork 20 can be easily carried out, which is advantageous in terms of workability. In addition, there is no need to provide an anchor member directly on the outer formwork 20, and no large external force is applied when removing it, so there is no risk of damaging the outer formwork 20, which is preferable in terms of reusability. becomes. Further, since the operation engagement part 72 is provided on the outer formwork 20, there is no fear that the operation engagement part 72 will be lost after the outer formwork 20 is removed.

After removing the outer formwork 20, after removing the cone member 31c, by filling the part where the cone member 31c was with a covering member, one part of the male threaded part 31a for connection is removed from the outer surface 2Bb of the rising part 2B. It becomes possible to secure a large dimension d up to the end face. As a result, even if the connecting male screw part 31a of the support part main body 31 is made of metal such as steel, there is no risk of direct contact with external water such as rainwater or penetrating contact, resulting in corrosion such as rust. The situation can be prevented. Note that the inner formwork 10 is not exposed to the outside of the building H and is molded from metal such as steel, so it is left as is on the inner surface 2Ba of the rising portion 2B. It is also possible.

In addition, although the above-mentioned embodiment shows a formwork set in which the pressure-resistant platen part 2A and the rising part 2B of the solid foundation 2 are constructed by one-time concrete pouring, the present invention is not limited to this, and the pressure-resistant It is also applicable to the case where the board section 2A and the rising section 2B are configured separately. Further, the present invention is not necessarily limited to forming a solid foundation 2, but may be applied to forming a cloth foundation. Furthermore, although the outer formwork 20 is illustrated as having the frame material 22 attached to the outer surface of the panel 21, the outer formwork 20 may be constructed only of the panel 21.

Furthermore, in the embodiment described above, since the rail member 60 whose longitudinal dimension is equal to a plurality of pieces of the outer formwork 20 is used as a support member, it becomes easy to arrange the outer formwork 20 in a straight line. At the same time, even if there is an unevenness on the base 1, it becomes possible to absorb this unevenness and arrange the outer formwork 20. However, the present invention is not limited thereto, and a plurality of support members whose dimensions are shorter than the outer formwork 20 may be arranged with a space therebetween. Further, since the operating engagement portion 72 is provided on the outer formwork 20 and the engaged portion 71 is provided on the support member, it is possible to specify the position in the outer formwork 20 where the engagement member is engaged with the support member. This makes it possible to more reliably prevent the external formwork 20 from lifting up. However, the present invention is not limited thereto, and it is also possible to configure an engagement mechanism by providing an engaged portion on the formwork and providing an operation engagement portion on the support member. In either case, the engaged part does not need to be integrally molded with the formwork or supporting member, and the engaged part may be formed separately and attached using a connecting member such as a screw. do not have.

Further, although the operating engagement portion 72 is provided so as to be rotatable around an axis along the vertical axis, it is also possible to arrange the operating engagement portion so as to be rotatable around an axis along the horizontal direction. It is also possible to provide an operating engagement portion so as to be slidable.

As described above, the formwork set according to the present invention includes: a support member attached to a base; a formwork disposed upward from the base with a lower edge supported by the support member; an engagement mechanism that engages between the support member and the formwork; the engagement mechanism engages an engaged portion provided on either the formwork or the support member; and an operation engagement portion movably provided, and when the operation engagement portion is disposed at a predetermined engagement position, the operation engagement portion faces the engaged portion, thereby increasing the support. It is characterized in that upward movement of the formwork relative to the member is restricted.
According to this invention, upward movement of the formwork relative to the support member can be restricted by arranging the operation engagement portion at the engagement position, thereby preventing the formwork from lifting when concrete is poured. This eliminates the possibility that the accuracy of the foundation will be compromised. Moreover, by operating the operation engagement part, it is possible to switch between the state of facing the engaged part and the state of not facing the engaged part, so the work when removing the formwork is not complicated, and the mold Since there is no risk of damaging the frame, there is no concern that it will affect the reusability of the formwork.

Further, the present invention is characterized in that, in the above-described formwork set, the formwork is provided with the operation engagement portion, and the support member is provided with the engaged portion.
According to this invention, since the formwork is provided with the operation engagement portion, it becomes possible to specify the position in the formwork to engage with the support member, and it is possible to more reliably prevent the situation where the formwork lifts up. Can be done.

Further, the present invention is characterized in that, in the above-mentioned formwork set, the engaged portion is provided integrally with the support member.
According to this invention, there is no need to attach the engaged portion to the support member.

Further, the present invention provides the above-mentioned formwork set, wherein the formwork includes a panel and a frame member attached to a lower edge portion of the outer surface of the panel, and the lower surface of the frame member is provided with the It is characterized by being provided with an engaging part.
According to this invention, since the operation engagement part is provided on the lower surface of the frame material, the protrusion dimension from the formwork can be reduced, and the chances of foreign objects coming into contact with the operation engagement part are reduced. Therefore, the operation engagement portion is less likely to be damaged.

Further, the present invention is characterized in that, in the form set described above, the operation engagement portion is rotatably disposed on the lower surface of the form frame about an axis along the vertical axis.
According to this invention, there is no possibility that the mold will be misaligned when operating the operating engagement portion.

Further, the present invention provides the above-mentioned formwork set, in which the formwork includes an outer formwork disposed on a portion facing the outside of the rising portion of the solid foundation, and a portion disposed on the inner surface side of the rising portion. The support member supports the lower edge of the outer form, and the outer form includes a form support member that supports the lower edge of the inner form. It is characterized by the fact that it is provided.
According to this invention, it is possible to prevent the formwork from lifting up and to construct the rising portion and pressure platen portion of the solid foundation by one concrete pouring.

Further, the present invention is characterized in that, in the above-mentioned formwork set, the support member has a length spanning the entire length of the formwork.
According to this invention, it is possible to absorb the unevenness of the foundation and arrange the formwork in a straight line, thereby making it possible to improve the dimensional accuracy of the foundation.

1 Base, 2 Foundation, 2B Standing part, 10 Inner formwork, 20 Outer formwork, 21 Panel, 22 Frame material, 22c Lower frame material, 30 Formwork support member, 60 Rail member, 62a, 62b Side plate, 70 Engagement mechanism, 71 engaged part, 72 operation engagement part, 74 support shaft

Claims (7)

A support member attached to a base, a formwork disposed upward from the base with a lower edge supported by the support member, and an engagement that engages between the support member and the formwork. Equipped with a combining mechanism,
The engagement mechanism includes an engaged portion provided on either one of the formwork or the support member, and an operation engagement portion movably provided on the other, and the engagement mechanism The formwork is characterized in that when the part is placed in a predetermined engagement position, the operation engagement part opposes the engaged part, thereby restricting upward movement of the formwork with respect to the support member. set. The formwork set according to claim 1, wherein the formwork is provided with the operation engaging part, and the supporting member is provided with the engaged part. The formwork set according to claim 2, wherein the engaged portion is integrally provided with the support member. The formwork includes a panel and a frame member attached to a lower edge portion of the outer surface of the panel, and the operation engagement portion is provided on the lower surface of the frame member. The formwork set according to claim 2. 5. The formwork set according to claim 4, wherein the operation engagement part is rotatably disposed on the lower surface of the formwork about an axis extending vertically. The formwork includes an outer formwork disposed on the outer side of the rising portion of the solid foundation, and an inner formwork disposed on the inner side of the rising portion,
The support member supports the lower edge of the outer formwork,
The formwork set according to claim 1, wherein the external formwork is provided with a formwork support member that supports a lower edge of the internal formwork. The formwork set according to claim 1, wherein the support member has a length that spans the entire length of the formwork.

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