JP6309685B1 - Formwork support method and formwork support structure - Google Patents

Abstract

The present invention provides a formwork support method capable of supporting a formwork without damaging a concrete base surface. A formwork support method for supporting a formwork in which a concrete rising portion is formed by placing on a flat base surface G made of concrete, and the rising portion of the base surface G is provided. A column member 1 in which a horizontal screw hole portion 11 is provided is arranged in the planned formation area Y and is fixed to the base surface G by a fixing tool 10, and a separator 2 is formed in the screw hole portion 11 of the column member 1. The mold member 3 is held upright by the clamp 2 and the separator 2 which are screwed to the end portion of the separator 2, and on the base surface G on the outer side of the mold member 3. A stopper provided on the laying member 5 with the laying member 5 disposed on the lower end 3b of the mold member 3 and one end 5a of the laying member 5 fixed to the frame member 3 so that the extendable support rod member 6 is inclined. The lower end portion 6b of the support rod member 6 is brought into contact with the portion 50 and the upper end of the support rod member 6 is Pressing retaining the upper edge of the mold member 3 by 6a. [Selection] Figure 4

Description

  The present invention relates to a formwork support method and a formwork support structure.

  Conventionally, in order to support a formwork formed by placing a concrete rising portion (for example, refer to Patent Document 1) on a concrete base surface, the extendable support rod member has an inclined posture, There was a formwork supporting method and a formwork supporting structure in which the formwork member was pressed and held at the upper end portion of the support rod member, and the lower end portion of the support rod member was locked to the plate member fixed to the base surface ( For example, see Patent Document 2).

JP 2007-239338 A Japanese Patent Laid-Open No. 2005-2788

  However, in the above-mentioned form support method and form support structure, the plate member that locks the lower end portion of the support rod member is fixed to the concrete base surface with concrete nails or anchors. There was a problem of damaging the concrete base surface. In other words, if the plate member is removed after the rising portion is formed, there is a problem that the mark of the plate fixing tool remains on the base surface.

Therefore, an object of the present invention is to provide a mold support method that can support a mold without damaging a concrete base surface.
It is another object of the present invention to provide a formwork support structure that can support the formwork without damaging the concrete base surface.

  The mold support method of the present invention is the above-mentioned base support method for supporting a formwork in which a concrete rising portion is formed by placing on a concrete flat surface base surface. A strut member with a horizontal screw hole is provided in a region where the rising portion of the surface is to be formed, and is fixed to the base surface with a fixing tool. The mold frame material is held upright by the separator and the fastening metal fitting screwed to the end of the separator and the separator, and the laying member is placed on the base surface on the outer side of the mold material. At the same time, one end portion of the laying member is fixed to the lower end portion of the formwork member, and the extendable support rod member is inclined, and the lower end of the support ridge member is placed on the stopper portion provided on the laying member. And the upper end of the support rod member Te is a method for pressing and holding the upper edge of the form member.

  Further, in the formwork support method for supporting a formwork for forming a concrete rising part by placing on a concrete flat base surface, the above-mentioned base part rising part formation planned area The intermediate part of the separator is fixed to a reinforcing bar erected in advance with a fixing metal fitting, and the mold material is clamped between the clamping metal fitting screwed to the end of the separator and the separator in an upright manner, and the mold frame The laying member is disposed on the base surface on the outer side of the material, and one end of the laying member is fixed to the lower end of the formwork material so that the stretchable support rod member is in an inclined posture. In this method, the lower end portion of the support rod member is brought into contact with the stopper portion provided on the laying member, and the upper edge of the formwork material is pressed and held by the upper end portion of the support rod member.

  The formwork support structure of the present invention is a formwork support structure for supporting a formwork in which a concrete rising portion is formed on a concrete flat base surface. A column member that is erected by a fixture in a region where the rising portion is to be formed on the base surface, a separator that is screwed into a horizontal screw hole provided in the column member, and an end of the separator A fastening metal fitting to be screwed to the part, a mold member clamped in an upright manner by the separator, and an end portion of the mold member arranged on the base surface on the outer side of the mold member A laying member that is fixed to the lower end of the frame, and a lower end that comes into contact with a stopper provided on the laying member, and that has an inclined posture that holds the upper edge of the formwork material pressed at the upper end. And a supporting support member.

  In addition, in a formwork support structure for supporting a formwork for forming a concrete rising part by placing on a concrete flat base surface, the rising part of the base surface is scheduled to be formed. A separator in which an intermediate portion is fixed to a reinforcing bar erected in a region by a fixing metal fitting, a fastening metal fitting screwed to an end of the separator, and a mold material clamped in an upright manner by the separator, A laying member disposed on the base surface on the outer side of the mold member and having one end fixed to the lower end of the mold member, and a lower end of the stopper provided on the laying member. And a retractable support rod member in an inclined posture that is brought into contact with and presses and holds the upper edge of the formwork material at the upper end portion.

The formwork support method of the present invention can support the formwork without damaging the concrete base surface. It is possible to form a form support structure that can be easily and quickly installed and removed. Therefore, it can contribute to shortening the entire construction period.
Moreover, the formwork support structure of the present invention can support the formwork without damaging the concrete base surface. Installation and removal can be done easily and quickly. Therefore, it can contribute to shortening the entire construction period.

It is sectional drawing for demonstrating one Embodiment of the form support method of this invention, and explaining the separator arrangement | positioning process for a reference | standard. It is sectional drawing for demonstrating a formwork material arrangement | positioning process. It is sectional drawing for demonstrating a laying member arrangement | positioning process. It is sectional drawing which shows one Embodiment of the formwork support structure of this invention. It is sectional drawing which shows other embodiment of the form support method of this invention, and a form support structure. It is a front view which shows an example of a standing part.

Hereinafter, the present invention will be described in detail based on illustrated embodiments.
As shown in FIG. 6, the form support method according to the present invention has a concrete rising portion K on a concrete flat surface G formed at a construction site such as a house or a building. This is a method for supporting the formwork formed by placing.

First, as shown in FIG. 1, in a rising portion formation scheduled area Y of the base surface G, a rising reinforcing bar 9 provided when concrete is cast and the base surface G is formed is erected.
And the support | pillar member 1 is arrange | positioned in the standing part formation plan area Y (it may be hereafter called the plan formation area Y), it fixes to the base surface G with the fixing tool 10, and the screw hole of the support | pillar member 1 A reference separator disposing step for screwing the intermediate portion of the separator 2 to the portion 11 is performed.

The column member 1 is made of metal, and includes a pipe-shaped column portion 18 and a plate-shaped mounting plate portion 19 that is integrally fixed to the lower end of the column portion 18 by welding or the like.
The column portion 18 has a screw hole portion 11 penetrating in the horizontal direction at the upper portion.
The mounting plate portion 19 has a mounting hole portion that is provided in the vertical direction.
A fixing tool 10 such as a concrete nail or an anchor is inserted into the mounting hole of the mounting plate 19 and fixed (fixed) to the base surface G.

A separator 2 (hereinafter also referred to as a reference separator 2) to be screwed to the column member 1 includes a bar member 21 and receiving seat members 22 attached to both sides of the bar member 21.
The bar member 21 of the reference separator 2 is a fully threaded bar (dimension cut).
At least one of the receiving member 22 of the reference separator 2 is detachable by screwing onto the end of the bar member 21, and is called, for example, a plastic cone, a P cone, a peakon, or a screw cup. .

  That is, one receiving member 22 is detached at one end of the reference separator 2, and the intermediate portion of the bar member 21 is screwed into the screw hole portion 11 of the column member 1. The intermediate portion may be an axial inward position relative to the receiving seat members 22 and 22 at both ends.

  In the reference separator disposing step, the strut member 1 is disposed and fixed to the base surface G by the fixing tool 10, and the intermediate portion of the separator 2 is screwed into the screw hole portion 11 of the strut member 1. Are the case where the column member 1 is disposed on the base surface G and fixed and then the separator 2 is screwed, the case where the column member 1 is disposed and fixed on the base surface G after the separator 2 is screwed, and the column Including the case where the member 1 is disposed on the base surface G, the separator 2 is screwed and then fixed. When there are many reinforcing bars 9, it is desirable to screw the separator 2 after fixing the column member 1 to the base surface G.

The strut member 1 is arranged and fixed in the formation planned area Y accurately and accurately by inking or the like. Further, the column member 1 accurately forms the height position from the lower surface (mounting reference surface) of the mounting plate portion 19 to the screw hole portion 11 (the axial center thereof) and the level of the screw hole portion 11. Therefore, the accuracy of the height position and the levelness of the reference separator 2 screwed into the screw hole portion 11 is excellent.
Further, the positioning can be finely adjusted with high accuracy by moving the reference separator 2 forward and backward.

Then, as shown in FIG. 2, the mold frame material 3 is held upright by the reference separator 2 and the fastening bracket 4 screwed to the end of the reference separator 2 to form the mold frame. A formwork material arranging step is performed.
Further, in the mold material disposing step, another separator 20 different from the reference separator 2 and a fastening metal fitting 40 (another fastening metal fitting 40) that is screwed to an end of the other separator 20, The mold material 3 is held upright.

The reference separator 2 is disposed so as to hold the lower part of the formwork 3. In other words, in the plurality of separators 2 and 20 that hold the formwork 3, the reference separator 2 is disposed at the lowest position, and the other separators 20 are higher than the reference separator 2. It is arranged at a position.
In other separators 20, the bar member 21 may not have a threaded portion at the intermediate portion, and the receiving member 22 may not be detachable from the end of the bar member 21.
In addition, although illustration is abbreviate | omitted, it is desirable to affix a curing tape on the formwork material installation plan area (between the base surface G and the formwork material 3).

  The fastening brackets 4 and 40 have a female end screwed into a male screw at the end of the separator 2 and 20 and a pressing end surface that comes into contact with the outer surface of the dam plate 31 of the formwork 3. This is called Thailand (registered trademark) or Home Thailand (registered trademark).

  And after holding the formwork material 3 in an upright shape, a lateral end thick material (batter material) 7 is disposed in the vicinity of another fastening bracket 40 (upper clamping bracket 40) to hold the thick end. The mold material 3 is pressed and held by the metal fitting set 70.

Thereafter, as shown in FIG. 3, the laying member 5 is disposed on the base surface G on the outer side of the mold member 3, and the one end portion 5 a of the laying member 5 is fixed to the lower end portion 3 b of the mold member 3. A laying member arranging step is performed.
The mold frame material 3 has a wooden lower frame material that holds the lower edge of the wooden dam plate 31 at the lower end portion 3b.

The laying member 5 is in the form of a strip or a prism, and has a resin coating layer (waterproof layer) such as vinyl chloride on the outer peripheral surface (outer surface).
The laying member 5 has a strip or prismatic wood as a core material, and the core material is inserted into a tube material of a heat-shrinkable resin such as vinyl chloride and heated by heat applying means such as hot water or a dryer. Then, the tube material is contracted and adhered to the outer peripheral surface of the core material.

  Since the laying member 5 has a resin coating layer, it is possible to prevent the laying member 5 from deteriorating even if an ax from concrete enters between the base surface G and the laying member 5. Moreover, since the core is made of wood, it is lightweight and can be easily fixed to the formwork 3 with a wood nail or the like.

The laying member 5 is preferably manufactured in advance (before the laying member disposing step) at a place away from the construction site.
The end surface of the laying member 5 preferably has a waterproof layer (the end surface of the core material is surrounded by a cap-shaped resin coating material and thermally contracted), but may be omitted.

The laying member 5 is arranged such that the end surface of the one end portion 5 a is abutted against the lower frame member of the lower end portion 3 b of the mold member 3.
Then, a wooden connecting member 51 such as plywood is fixed to the formwork 3 with a fixing tool 55 such as a wooden nail, and is fixed to the one end portion 5a of the laying member 5 with a fixing tool 55 such as a wooden nail. Then, the formwork 3 and the laying member 5 are fixed (connected).
That is, the laying member 5 can be fixed without using a concrete nail or a concrete anchor on the base surface G other than the planned formation area Y.

After fixing the laying member 5 to the formwork 3, as shown in FIG. 4, in the vicinity of the lower fastening bracket 4 (the fastening bracket 4 screwed into the reference separator 2), the wide end thick material 7 is disposed, and the lower edge (lower half part) of the frame member 3 is pressed and held by the end thick holding metal fitting set 70.
In this way, after the laying member 5 is fixed to the formwork 3, the work for fixing the laying member 5 to the formwork 3 can be performed by arranging and holding the lower horizontal end thick material 7. It becomes easy.

  Next, the telescopic support rod member 6 is inclined, and the lower end portion 6b of the support rod member 6 is brought into contact with the stopper portion 50 provided on the laying member 5, and the upper end portion 6a of the support rod member 6 is brought into contact with the stopper portion 50. A supporting rod member disposing step of pressing and holding the upper edge of the mold material 3 is performed.

  The support rod member 6 is configured in a double cylinder shape, the column part can be protruded and retracted with respect to the base cylinder part, and can be adjusted and fixed to a desired length by a screw mechanism or a lock mechanism. This is called a support pipe or a steel pipe post.

On the other end 5b side of the laying member 5, a stopper member 50 is provided by fixing a wooden contact member with a fixture 55 such as a wooden nail.
The timing at which the stopper member 50 is provided on the laying member 5 may be either before the laying member 5 is disposed on the base surface G or after the laying member 5 is disposed on the base surface G.

Then, the support rod member 6 which can be expanded and contracted is inclined, and the support rod member 6 is extended and supported while the lower end portion 6b of the support rod member 6 is brought into contact with the stopper portion 50 provided on the laying member 5. The upper edge 6a of the flange member 6 is pressed and held (supported by stretching) by the upper edge of the mold member 3.
In other words, the support rod member 6 is disposed on the laying member 5, and the support rod member 6 can be fixed on the base surface G other than the planned formation area Y without using concrete nails or concrete anchors.

  Note that “holding the upper edge of the mold frame material 3 on the upper end portion 6 a of the support rod member 6 is a case where another member is interposed between the upper end portion 6 a of the support rod member 6 and the mold frame material 3 to hold it. And a case where the upper end portion 6a of the support rod member 6 is in direct contact with and held by the mold member 3. For example, as shown in the figure, when the mold frame material 3 is pressed and held through the horizontal end thick material 7, or when not shown in the figure, it is pressed and held through the vertical end thick material, or There is a case where it is pressed and held in direct contact. Moreover, the upper edge of the formwork 3 is, in other words, the upper half of the formwork 3.

  The contact of the lower end portion 6b of the support rod member 6 with the stopper portion 50 means that another member is interposed between the lower end portion 6b of the support rod member 6 and the stopper portion 50, and the case where the support rod member 6 And the case where the lower end portion 6b is in direct contact with the stopper portion 50. For example, although not shown, this includes the case where a slip stopper is interposed between the lower end portion 6b of the support rod member 6 and the stopper portion 50.

  Here, the formwork support structure of the present invention is constructed by the above-mentioned formwork support method. That is, as shown in FIG. 4, the column member 1 erected by the fixing tool 10 in the rising portion formation scheduled area Y of the base surface G and the separator 2 screwed into the screw hole portion 11 provided in the column member 1. A fastening metal fitting 4 screwed into the end of the separator 2, a mold frame member 3 held upright by the separator 2, and a base surface G on the outer side of the mold frame member 3. At the same time, the lower end 6b is brought into contact with the laying member 5 whose one end 5a is fixed to the lower end 3b of the mold member 3, and the stopper 50 provided on the laying member 5, and at the upper end 6a. And a telescopic support rod member 6 having an inclined posture that presses and holds the upper edge of 3.

The end holding metal fitting set 70 is composed of a contact fitting 71 (see FIG. 4) that abuts against the thick end material 7, a plate-like wedge member 72 (see FIG. 4), and fastening fittings 4 and 40. .
The contact fitting 71 has a hole such as a through hole or a slit-like hole through which the fastening fittings 4 and 40 are inserted.
The fastening fittings 4 and 40 have insertion holes into which plate-shaped wedge members 72 are inserted.

  Then, concrete is placed inside the mold formed by the plurality of mold materials 3 and separators 2, 20, etc., and as shown in FIG. K can be formed.

Next, other embodiments of the formwork support method and formwork support structure according to the present invention will be described.
First, as shown in FIG. 5, in another embodiment of the formwork support structure, an intermediate portion is fixed to a reinforcing bar 9 erected in a rising portion formation planned area Y of the base surface G by a fixing bracket 8. The reference separator 2 is provided.
That is, in another embodiment of the form support method, in the reference separator arranging step described with reference to FIG. The intermediate portion of the reference separator 2 is fixed to the reinforcing bar 9 by the fixing bracket 8.

As shown in FIG. 5, the fixing metal fitting 8 includes a metal fitting body 81 formed in a U-shape or a C-shape, and a bolt member 82 screwed into the metal fitting body 81.
In FIG. 5, the rebar 9 is sandwiched between the metal fitting body 81 and the bolt member 82, and is called, for example, Guts (registered trademark) or Small Guts (registered trademark).
Although not shown in the drawings, the fixing metal fitting 8 may be configured such that the metal fitting body 81 opened in a U-shape is closed by the screwing of the bolt member 82 and the rebar 9 is gripped. It may also be called Neo-Guts (registered trademark).
Compared with the embodiment of FIGS. 1 to 4, the support member 1 is not necessary, and the manufacturing cost and manufacturing effort of the support member 1 can be reduced. In other words, a commercially available product can be used as the fixing bracket 8 and the cost can be reduced.

In FIG. 5, the reference separator 2 is screwed into a screw hole penetrating the metal body 81 of the fixing metal 8, thereby fixing the reinforcing bar 9. Such a construction method and structure can easily perform positioning adjustment by screwing back and forth of the reference separator 2. Although not shown, the reference separator 2 may be inserted into a through-hole penetrating the mold body 81 of the fixing bracket 8 so as to be fixed to the reinforcing bar 9. Alternatively, the reference separator 2 and the reinforcing bar 9 may be fixed by being sandwiched between the metal fitting body 81 and the bolt member 82. Alternatively, the reference separator 2 and the reinforcing bar 9 may be held and fixed by the metal fitting body 81. In this way, the construction method and structure for fixing the reference separator 2 to the reinforcing bar 9 without screwing it into the screw hole does not require the rod member 21 of the reference separator 2 to be a full screw, which can contribute to cost reduction.
Other configurations and operational effects are the same as those of the embodiment of FIGS.

  Note that the design of the present invention can be changed, and the thick end material 7 is not limited to the illustrated square pipe material but may be a round pipe material. The end holding bracket set 70 is not limited to the wedge type as shown in the figure, and the holding method and structure are free. For example, a nut member that is screwed into a male screw provided at the end of the fastening brackets 4 and 40 And a metal fitting 71 that is pressed against the thick-side end material 7 by the screwing of the nut member. The support rod member 6 is not limited to the shape shown in the figure, and may be stretchable and capable of exerting a stretching action.

  As described above, the formwork support method of the present invention is a formwork support for supporting a formwork in which a concrete rising portion K is formed on a flat base surface G made of concrete. In the construction method, a column member 1 in which a horizontal screw hole portion 11 is provided is arranged in a rising portion formation scheduled area Y of the base surface G, and is fixed to the base surface G by a fixing tool 10. At the same time, the intermediate portion of the separator 2 is screwed into the screw hole portion 11 of the column member 1, and the mold member 3 is made upright by the clamp 2 and the separator 2 screwed to the end of the separator 2. Nipping and disposing the laying member 5 on the base surface G on the outer side of the mold member 3 and fixing one end portion 5a of the laying member 5 to the lower end portion 3b of the mold member 3, The retractable support rod member 6 is inclined, and the stopper portion 50 provided on the laying member 5 is attached to the stopper portion 50. Since the lower end portion 6b of the support rod member 6 is brought into contact with the upper edge 6a of the support rod member 6 and the upper edge of the formwork 3 is pressed and held, the concrete base surface G other than the rising portion K is used. The formwork can be supported without damaging it. It is possible to form a form support structure that can be easily and quickly installed and removed. Therefore, it can contribute to shortening the entire construction period. The height position and levelness of the separator 2 can be arranged with high accuracy. The positioning of the separator 2 can be finely adjusted with high accuracy. The mold material 3 can be easily and accurately arranged.

  Further, in a formwork supporting method for supporting a formwork in which a concrete rising part K is formed on a concrete flat base surface G by placing, the rising part of the base surface G An intermediate portion of the separator 2 is fixed to a reinforcing bar 9 erected in advance in a formation area Y by a fixing bracket 8, and a mold member is formed by the clamp 2 and the separator 2 which are screwed into the end portion of the separator 2. 3 is held upright, a laying member 5 is disposed on the base surface G on the outer side of the mold member 3, and one end portion 5 a of the laying member 5 is disposed on a lower end portion 3 b of the mold member 3. And the lower end portion 6b of the support rod member 6 is brought into contact with the stopper portion 50 provided on the laying member 5, and the support rod member 6 is extended. Since the upper edge 6a presses and holds the upper edge of the formwork 3, Can 支保 formwork the concrete of the base surface G of the non-vanishing part K without damaging. It is possible to form a form support structure that can be easily and quickly installed and removed. Therefore, it can contribute to shortening the entire construction period. Construction (construction) costs can be reduced.

  Further, the formwork support structure of the present invention is a formwork support structure for supporting a formwork in which a concrete rising portion K is formed on a flat base surface G made of concrete. In this case, the intermediate portion is screwed into the column member 1 erected by the fixing tool 10 in the rising region formation area Y of the base surface G and the horizontal screw hole 11 provided in the column member 1. Separator 2, fastening metal fitting 4 screwed to the end of separator 2, mold frame member 3 held upright by separator 2, and base surface on the outer side of mold member 3 The lower end 6b is brought into contact with a laying member 5 which is disposed on G and whose one end 5a is fixed to the lower end 3b of the mold member 3, and a stopper 50 provided on the laying member 5. In addition, the upper and lower end portions 6a are capable of expanding and contracting in an inclined posture that presses and holds the upper edge of the formwork 3 A member 6, since with a can 支保 formwork without damaging the concrete of the base surface G of the non-rising portion K. Installation and removal can be performed easily and quickly. Therefore, it can contribute to shortening the entire construction period. The height position and levelness of the separator 2 can be arranged with high accuracy. The positioning of the separator 2 can be finely adjusted with high accuracy. The mold material 3 can be easily and accurately arranged.

  Further, in the formwork support structure for supporting the formwork that forms the concrete rising portion K by placing on the concrete flat base surface G, the rise of the base face G Standing up by the separator 2 whose intermediate portion is fixed to the reinforcing bar 9 standing in the part formation scheduled area Y by the fixing bracket 8, the fastening bracket 4 screwed to the end of the separator 2, and the separator 2 A mold member 3 sandwiched in a shape, and a floor disposed on the base surface G on the outer side of the mold member 3 and having one end portion 5a fixed to the lower end portion 3b of the mold member 3. The member 5 and a stopper 50 provided on the laying member 5 are brought into contact with the lower end 6b, and the upper end 6a presses and holds the upper edge of the formwork material 3 so as to extend and contract. Since the heel member 6 is provided, the concrete base other than the rising portion K is provided. Can 支保 formwork without damaging the surface G. Installation and removal can be performed easily and quickly. Therefore, it can contribute to shortening the entire construction period. Construction (construction) costs can be reduced.

DESCRIPTION OF SYMBOLS 1 Support | pillar member 2 Separator 3 Formwork material 3b Lower end part 4 Fastening bracket 5 Laying member 5a One end part 6 Support collar member 6a Upper end part 6b Lower end part 8 Fixing bracket 9 Reinforcing bar
10 Fastener
11 Screw hole
50 Stopper part G Base surface K Rising part Y Rising part formation planned area

Claims (4)

In a formwork support method for supporting a formwork in which a concrete rising portion (K) is placed on a flat base surface (G) made of concrete.
A strut member (1) having a horizontal screw hole (11) is disposed in the rising portion formation planned area (Y) of the base surface (G), and the base is formed by the fixing tool (10). Fastening fittings that are fixed to the surface (G) and screw the intermediate portion of the separator (2) into the screw hole portion (11) of the column member (1) and screw the end portion of the separator (2). (4) and the separator (2) sandwich the frame material (3) upright, and the laying member (5) is placed on the base surface (G) on the outer side of the frame material (3). At the same time, one end (5a) of the laying member (5) is fixed to the lower end (3b) of the formwork member (3), and the extendable support rod member (6) is in an inclined posture. The lower end (6b) of the support rod member (6) is brought into contact with the stopper portion (50) provided on the laying member (5), and the support rod member (6) Mold 支保 method characterized by pressing and holding the upper edge of the form member (3) by the end (6a). In a formwork support method for supporting a formwork in which a concrete rising portion (K) is placed on a flat base surface (G) made of concrete.
An intermediate portion of the separator (2) is fixed to a reinforcing bar (9) that is erected in advance in a rising portion formation planned area (Y) of the base surface (G) by a fixing bracket (8), and the separator (2) A mold member (3) is held upright by a clamp (4) screwed to an end and the separator (2), and the base surface (G) is formed on the outer side of the mold member (3). ) A laying member (5) is arranged on the upper end, and one end portion (5a) of the laying member (5) is fixed to the lower end portion (3b) of the formwork member (3), so that it can be extended and contracted. (6) is inclined, and the lower end (6b) of the support rod member (6) is brought into contact with the stopper portion (50) provided on the laying member (5), and the support rod member (6). A formwork supporting method characterized by pressing and holding the upper edge of the formwork material (3) by the upper end (6a) of the formwork. In a formwork supporting structure for supporting a formwork in which a concrete rising portion (K) is placed on a flat base surface (G) made of concrete.
The column member (1) erected by the fixing tool (10) in the rising region formation planned area (Y) of the base surface (G), and the horizontal screw hole ( 11) A separator (2) in which the intermediate portion is screwed, a clamp (4) screwed into the end of the separator (2), and a mold material clamped in an upright manner by the separator (2) (3) and an outer side of the mold member (3), which is disposed on the base surface (G) and has one end (5a) at the lower end (3b) of the mold member (3). The floor member (5) to be fixed and the stopper (50) provided on the floor member (5) are brought into contact with the lower end portion (6b) and the upper end portion (6a) is used for the above-mentioned formwork member (3). And a telescopic support rod member (6) having an inclined posture for pressing and holding the upper edge of the mold support structure. In a formwork supporting structure for supporting a formwork in which a concrete rising portion (K) is placed on a flat base surface (G) made of concrete.
A separator (2) having an intermediate portion fixed by a fixing bracket (8) to a reinforcing bar (9) erected in a rising portion formation planned region (Y) of the base surface (G), and the separator (2) A fastening metal fitting (4) screwed to the end of the mold, a mold member (3) held upright by the separator (2), and the base surface on the outer side of the mold member (3) (G) a laying member (5) disposed on the lower end (3b) of the mold member (3) and having one end (5a) fixed thereon, and the laying member (5). A retractable support rod member (6) having an inclined posture in which the lower end (6b) is brought into contact with the stopper (50) and the upper edge (6a) presses and holds the upper edge of the mold member (3). ), And a formwork support structure.

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