JP2018193842A - Column form without separator in reinforcement concrete building - Google Patents

Abstract

To provide a column form which does not use a separator and a plastic cone when the column form is fixed and allows observation of a condition of concrete inside of the column form when concrete is driven into the column form of a concrete building.SOLUTION: A column form is provided that a column form sheathing plate on the indoor side is formed with a transparent plane resin as well as a column form sheathing plate on the outdoor side is formed with two heat insulation panels in which both sides of a styrene foam panel are bonded with a plywood in a sandwich shape, and a plurality of light-weight channel steels are lined vertically on the indoor side of the transparent plate resin and a transparent plate resin holding member for fixing a top and a bottom of the sides on the indoor side of the light-weight channel steel with a plurality of U-shaped steel plates is arranged and a column form side surface reinforcement material for supporting four sides of the column form with a configuration like this is fixed in a bandage shape with C-shaped fastening hardware made from a plate steel formed in generally C-shaped.SELECTED DRAWING: Figure 8

Description

  The present invention relates to a formwork structure for forming a column form of a reinforced concrete building, in which an indoor side column form sill board is formed of a transparent resin plate, and an outdoor column form sill board is formed of a heat insulating panel. The present invention relates to a column form frame in which a form frame side surface reinforcing material that supports four sides of the form frame is fixed with a headband type clamp.

When placing concrete into the formwork that forms the columns of a reinforced concrete building, concrete is usually selected when the material is properly selected and blended to ensure excellent construction performance and quality after curing. Durable pillars can be built if they are driven smoothly into the formwork and firmly compacted.
However, making concrete easier to drive increases fluidity, and unless the material separation resistance (viscosity of concrete) is increased according to the fluidity, material separation (a phenomenon in which coarse aggregate separates from the mortar part). ) Occurs.
Even if the material separation resistance is increased, the aggregate will sink if it is made to flow, and the mortar that tends to flow will flow and separate.
In general, a high-frequency vibrator is used when placing concrete. However, when vibration is applied to the concrete for a long time with the high-frequency vibrator, aggregates sink and material separation occurs.
When material is separated, cracks are likely to occur in places where there is a lot of mortar. However, there is a junker (a “bean plate” where aggregates are gathered on the concrete surface, a “cavity” where the concrete is not clogged, and a cavity on the concrete surface. "Nest" etc. that can be called generically called janka) is not possible.
The main reason why you can make a jumper is that the aggregate gathers.
For example, when concrete is driven with a long diagonal chute, the coarse aggregate rolls and aggregates farther away, and since the mortar is highly viscous, it flows slowly along the chute surface and separates under the chute.
If this separation is overlooked when a diagonal chute is used for placement in the re-arranged formwork, a coarse aggregate may partially gather to form a jumper.
In addition, driving by pumping is considered to be one of the driving methods to reduce material separation. However, the concrete in the pipe will drop at the beginning of the driving or at the time of setup change, and the aggregate will be removed first. I sometimes run to build a janka.
There are several factors that can make a jumper.
(1) When the liquidity is insufficient and the tank is not filled.
(2) When the driving speed is high and compaction is insufficient.
(3) When coarse aggregate gathers in part (in this case, mortar cannot fill the gap of coarse aggregate even if vibration is applied by a high-frequency vibrator).
(4) When the mortar slips out of the gap between the temporary frames and only the aggregate remains.
Both occur due to the effects of material separation.
If the concrete has construction performance according to the bar arrangement and the shape of the formwork, the jumper that causes (1) and (2) is not possible, and (4) is possible if the formwork is assembled accurately. Absent.
However, the cause of (3) is easily overlooked and a jumper may occur despite the construction using pumping.
Since the flexible hose at the end of the cylinder is driven horizontally at the stage of smooth pumping, the drop height from the end of the cylinder is naturally small, and there is no material separation that causes problems, but the concrete in the formwork is well balanced. In order to launch, it is necessary to move the tube tip.
In that case, the concrete in the flexible hose is discharged once, and the boom is moved to another place and driving is resumed. In the boom, a phenomenon similar to the material separation of the oblique chute occurs, and the concrete is rough in the concrete. Aggregate is expelled ahead of time.
Thus, when concrete is driven into a formwork, it is necessary to always predict the occurrence of jumpers and take measures in advance.

  However, most of the wooden forms commonly used at construction sites are plywood forms that have been coated with a smoothing paint to prevent the adhesion of concrete to one side of a thick plywood panel. For this reason, it is impossible to identify the place where the jumper occurred because the concrete condition inside the formwork cannot be seen, and in the past, it was possible to respond by using high-frequency vibrators only with the experience and sense of craftsmen. Therefore, it was difficult to prevent the occurrence of jumpers.

As a general method for repairing the generated jumper, there are repair methods A to E depending on the degree of the jumper.
A. When gravel is not exposed on the surface.
No repair is required.
B. Gravel is exposed, but it doesn't peel off even if you hit the gravel on the surface, so you don't have to remove it.
The repair method is to apply polymer cement mortar.
C. When the gravel is exposed and the gravel on the surface layer is struck, it will peel off.
The repair method is to remove the unused part, expose the normal part, apply polymer cement paste, etc., and then fill with polymer cement mortar.
D. When gravel is exposed from the steel cover to the back, and cavities are seen.
In the repair method, the unused portion is removed, the normal portion is exposed, and the non-shrink mortar is filled.
E. There are many cavities inside the concrete.
The repair method is to remove the unnecessary part, expose the normal part, and replace with concrete. As described above, the work for repairing the janka required a lot of labor and money.

Due to the above problems, panel molds using translucent resin are sold by several companies.
Among them, recyclable composite reinforced plastic formwork manufactured and sold by “Tenma Co., Ltd.” belonging to the Japan Plastic Formwork Association, product name “Katapanel”, and “Daiwa Giken Kogyo Co., Ltd.” In general, the resin mold for casting concrete and the trade name “Cefcon” are generally known.

  In this way, translucent plastic molds are also commercially available that allow the inside of the molds to be observed when concrete is driven in. However, plastic molds are manufactured by a press using a mold, so that they can be used vertically and horizontally. However, it was difficult to freely produce vertical and horizontal sizes like wooden formwork.

In addition, plastic molds used for flat molds such as walls are sold by the above companies (Tenma Co., Ltd., Daiwa Giken Kogyo Co., Ltd.), but should be used according to the size of the column. There was no plastic formwork for the pillar.
In particular, in the case of a reinforced concrete building, the pillar is the most important structure for supporting the building, and when concrete is driven into the formwork of the pillar, the condition of the concrete inside the pillar is grasped and a high-frequency vibrator or the like is accurately determined. It is important to suppress the occurrence of jumpers by inserting in the position.

  Furthermore, since all of the commercially available plastic molds are translucent, it is difficult to accurately grasp the condition of the concrete inside the mold during concrete placement. It was difficult to prevent the jumper by inserting it at the correct position and adjusting the vibration time.

  However, many thick reinforcing bars were installed inside the column mold, and many separators and plastic cones were attached to prevent the column mold from expanding and breaking when pouring concrete into the column mold. For the separator and plastic cone, after building the column reinforcement, the formwork is installed outside the building of the column reinforcement, then the formwork is installed inside the column reinforcement, and in this way on the outside and inside of the column reinforcement After installing the formwork, the outdoor formwork and the indoor formwork were fixed with a separator and a plastic cone.

  However, the work of installing the separator in a fixed position through the separator in the gap between the thick and many rebars built inside the column formwork is the work of passing the separator through the gap between the thick and many rebars. There was a problem that it was difficult to pass the separator through the predetermined position.

  The present invention is capable of observing the state of concrete inside a column form when concrete is poured into a column form of a concrete building, and when fixing the column form, a column form that does not use a separator and a plastic cone. The purpose is to provide.

  In order to solve such a problem, the invention described in claim 1 is a column-shaped frame at the corner of a building in a reinforced concrete building, in which an outdoor column-shaped frame slab is bonded to both sides of a styrofoam panel in a sandwich shape. It is formed of a single heat insulation panel, and the indoor column-shaped frame siding plate is formed of a transparent flat plate resin. Transparent plate resin presser members fixed with a plurality of U-shaped steel plates are arranged above and below the inner side, and the formwork side surface reinforcing material that supports the four sides of the column form frame constructed in this way is used. It is characterized in that it is fixed with a C-shaped fastening hardware bent into a U-shape.

  In addition to the structure described in claim 1, the C-shaped fastening hardware is a first C-shape in which a flat steel plate is bent into a substantially C shape to form a plurality of holes at both ends. A second C-shaped clamp with a clamp and a flat steel plate bent into a generally C shape, with a plurality of holes in one end and an L-shaped support steel plate with a plurality of holes in the other end A third C-shaped clamp with a bracket and a flat steel plate bent in a generally C shape, with a plurality of holes in one end, and a generally trapezoidal support steel plate with multiple holes in the other end Fold the metal plate and flat steel plate into a generally C shape, make a plurality of holes at one end, and make a hole at the other end so that it overlaps the third C-shaped fastening bracket. It is characterized by comprising a fourth C-shaped fastening bracket to which a notched triangular supporting steel plate is attached.

  In addition to the structure of claim 1 or 2, the invention described in claim 3 fixes a corner reinforcing steel plate bent at a right angle to a corner obtained by combining two of the heat insulation panels at a right angle, and Attach multiple fitting fixing bar fittings with conical round bars fixed to the L-shaped pedestal on the side of the part-reinforced steel plate, and the overlap hole of the third C-shaped clamping bracket and the fourth C-shaped clamping bracket It is characterized in that the holes are overlapped and fitted into the conical round bar of the fitting bar.

  According to the first aspect of the present invention, in the column-shaped frame at the corner of a building in a reinforced concrete building, the outdoor column-shaped frame siding plate is a two-layer insulation panel in which both sides of a foamed polystyrene panel are bonded in a sandwich shape with a veneer plate In addition, the columnar frame board on the indoor side is made of a transparent flat plate resin, and a plurality of lightweight grooved steels are arranged vertically on the indoor side of the transparent flat plate resin. A transparent flat plate resin pressing member fixed with a plurality of U-shaped steel plates is arranged on the plate, and the side surfaces of the formwork supporting the four sides of the column form frame configured in this way are folded into a generally C-shape. By fixing with the C-shaped fastening hardware, it became possible to fix the column form frame easily without using a separator, and it became possible to reduce costs and work time significantly.

  According to the invention described in claim 2, the C-shaped fastening hardware comprises a first C-shaped fastening bracket in which a flat steel plate is bent into a substantially C shape and a plurality of holes are formed at both ends, and the flat steel plate. A second C-shaped clamp and a flat steel plate generally fitted with an L-shaped support steel plate that is bent into a generally C shape and has a plurality of holes at one end and a plurality of holes at the other end. A third C-shaped clamp with a generally trapezoidal support steel plate bent in a C shape and drilled with a plurality of holes at one end and an overlapped hole at the other end, A triangular supporting steel plate that is bent into a square shape and has a plurality of holes at one end, an overlapping hole is formed at the other end so as to overlap with the third C-shaped fastening bracket, and a corner is cut into an L shape. By using the 4th C-shaped fastening bracket to which is attached, the column mold can be fixed with a lightweight C-shaped fastening bracket. Uninari, it was possible to fix easily and quickly formwork side reinforcement not only free from heavy labor workers pillar formwork.

  According to invention of Claim 3, while fixing the corner reinforcement steel plate bent at right angle to the corner | angular part which combined two said heat insulation panels at right angle, it is an L-shaped base on the side of said corner reinforcement steel plate. Attach a plurality of fitting fixing bar fittings that fix a conical round bar, and overlap the third C-type clamping bracket overlap hole with the fourth C-type clamping bracket fitting hole fitting By fitting it into the conical round bar, the formwork side reinforcements that support the four sides of the column formwork can be removed without leaving the outside of the building (without using scaffolding etc.) It became possible to fix to the column formwork.

Embodiment 1 of the present invention will be described below.
Embodiment 1 of the Invention

  1 to 9 show a first embodiment of the present invention.

  1 and 2 show a separator-less column form of the present invention having a thickness of 2 mm, which is formed by bending a transparent flat resin with a bending machine on a floor plate arranged on the indoor side and in direct contact with concrete. The transparent flat plate resin 4 and the siding plate that is disposed outside the building and is in direct contact with the concrete include a veneer plate 1 having a thickness of 12 (outside of the building room) on both sides of a 20 mm-thick foamed polystyrene panel 2 and a thickness. The state which adhered and fixed the 3 mm-thick plywood board 3 (concrete side) in the sandwich state with the adhesive agent is shown with a perspective view. FIG. 1 shows a state before the veneer plate 1, the polystyrene panel 2, and the veneer plate 3 constituting the heat insulating panel 6 shown in FIG. 2 are bonded together with an adhesive, and a column of a transparent flat resin 4 used as an indoor side plate. The state which bent the corner | angular part at right angle is shown.

  FIG. 3 shows a state before the transparent flat plate resin pressing member 10 and the transparent flat plate resin pressing member 11 for fixing the transparent flat plate resin 4 described with reference to FIG. The transparent flat resin presser member 10 and the transparent flat resin presser member 11 are formed in the same shape and size except for the overall length (length) of the U-shaped steel plate 12, and a 1.6 mm thick flat steel plate A plurality of flanged surfaces 20 of lightweight grooved steel 17 bent into a letter shape (the flange surfaces 20 and 22 have a width of 15 mm and the web surface 21 have a width of 45 mm) are arranged in the vertical direction so as to contact the transparent flat resin 4. A U-shaped steel plate 12 obtained by bending a flat steel plate having a thickness of 16 mm into a U-shape so as to intersect perpendicularly with the light-weight channel steel 17 arranged in the vertical direction in this manner (the width of the flange surfaces 16 and 23 is 10 mm). , The width of the web surface 15 is 20 mm) in the lateral direction, the web surface 15 of the U-shaped steel plate 12 is brought into contact with the flange surface 22 of the lightweight channel steel 17, and the web surface of the U-shaped steel plate 12 15 and lightweight channel steel 1 A transparent flat plate resin for holding the transparent flat plate resin 4 by fixing a plurality of lightweight grooved steel plates 17 arranged vertically and a U-shaped steel plate 12 arranged horizontally by fixing the flange surface 22 with screws 14. The holding members 10 and 11 are formed.

  In addition, the length of the U-shaped steel plate 12 attached to the transparent flat resin presser member 10 is the folding surfaces 57 and 64 of the second C-shaped fastening bracket 36 as shown in FIGS. 6 and 9 (shown in FIG. 6ac). Then, both ends of the U-shaped steel plate 12 are end portions so that the folding surfaces 57 and 64 (shown in FIG. 6ac) of the fourth C-shaped fastening bracket 38 are on the upper portion of the flange surface 16 of the U-shaped steel plate 12. The U-shaped steel plate 12 which is formed in a state of being stretched from the lightweight grooved steel 17 and attached to the transparent flat resin presser member 11 has a third C-shaped fastening bracket 37 as shown in FIGS. The bent curved surfaces 57 and 64 (shown in FIG. 6ac) extend from the lightweight channel steel 17 having one end of the U-shaped steel plate 12 disposed at the end so that the folded surfaces 57 and 64 (shown in FIG. 6ac) ride on the upper portion of the flange surface 16 of the U-shaped steel plate 12. The column with the operator released his hands from the C-type clamping hardware It has become possible to place the hardware with C-shaped clamping the frame sheathing board-shoring assembly member 24.

  Further, the U-shaped steel plate 12 is attached to the lightweight grooved steel 17 with screws 14, and the U-shaped steel plate 12 and the lightweight grooved steel 17 are rotated by using the screw 14 as a fulcrum, as shown in FIG. The member 11 can be folded in a compact manner, and the transparent flat resin presser member 11 can be easily carried to the site. Also, when storing in a warehouse or the like, the location and location of the storage space can be changed. It became possible to reduce restrictions.

  FIG. 4 shows a state in which the transparent flat resin pressing members 10 and 11 described in FIG. 3 are attached to the transparent flat resin 4. A state in which the flange surface 20 of the lightweight channel steel 17 described with reference to FIG.

  FIG. 5 shows a state in which the columnar formwork / supporting assembly member 24 described in FIG. 4 is viewed from the outside of the building. The end portions of the two heat insulating panels 6 forming the outdoor slats are joined at right angles, and the corner reinforcing steel plates 5 obtained by bending the flat steel plates into L-shapes are attached to the corners, and as shown in FIG. The L-shaped pedestal 28 of the fitting fixing bar fitting 26 is provided with a conical round bar 27 in which the tip of a steel round bar (diameter 10 mm) is conically formed on the upper part of the L-shaped pedestal 28 formed into an L shape. The state which attached to the corner | angular part reinforcement steel material 5 is shown.

  Further, the position where the fitting fixing metal fitting 26 is attached to the corner portion reinforcing steel plate 5 is set to the column form frame support plate / supporting assembly member 24 in a state in which the formwork side surface reinforcing headband 40 described in FIG. In order to be able to be installed, the fitting fixing bar fitting 26 so that the lower surface of the support steel plate 49 of the third C-shaped fastening fitting 37 of the form side reinforcing headband 40 abuts the pedestal upper surface 29 of the fitting fixing rod fitting 26. Is attached to the corner portion reinforcing steel plate 5, and the U-shaped steel material 12 of the transparent flat plate resin pressing member 11 described with reference to FIG. A U-shaped steel member 12 is fixed laterally with a screw 14 to the lightweight grooved steel 17 arranged in the longitudinal direction at a position where the flange surface 16 abuts, and further, the fourth C of the formwork side reinforcing headband 40 is formed. The position of the bottom surface of the mold clamping bracket 38 and the description with reference to FIG. The U-shaped steel material 12 is fixed laterally with screws 14 to the lightweight grooved steel 17 arranged in the vertical direction at a position where the flange surface 16 of the U-shaped steel material 12 of the light plate resin presser member 11 abuts. It is necessary. As shown in FIG. 8, the side wall reinforcing headband 40 of the formwork is formed by arranging the fitting fixing metal fitting 26 and the U-shaped steel material 12 with respect to the corner portion reinforcing steel plate 5 and the transparent flat plate resin pressing members 10 and 11. Is attached to the columnar frame strut plate / supporting assembly member 24 while maintaining a horizontal state. In this way, when fixing the formwork side reinforcement headband 40 to the column formwork / supporting assembly member 24 described in FIG. 4, a lightweight groove in which a plurality of both ends or one end of the U-shaped steel plate 12 are arranged vertically. When the formwork side reinforcement headband 40 described in FIG. 6 is attached to the column formwork siding plate / supporting assembly member 24 by forming it longer than the shape steel 17, the fitting fixing bar fitting 26 and the U-shaped steel plate 12 are attached. It can be used as a temporary stand for the formwork side reinforcement headband 40, and the formwork side reinforcement is applied to the column formwork support plate / supporting assembly member 24 in a state where an operator releases his hand from the formwork side reinforcement headband 40. The headband 40 can be arranged.

  The upper and lower positions when attaching the plurality of formwork side reinforcing headbands 40 to the column mold are lower than the column mold because the lower part of the column mold receives the pressure (weight) of the ready-mixed concrete. It is necessary to arrange the mold side face reinforcing headbands 40 with a narrow vertical distance.

  FIG. 6 is a side view of the formwork side reinforcement for reinforcing and fixing the column formwork siding plate / supporting assembly member 24 to withstand the pressure of the ready concrete when pouring the concrete into the formwork. 40 is shown. As shown in FIG. 6ac, the mold side reinforcing headband 40 is a first C in which a flat steel plate is bent into a C shape as shown in FIG. The shape clamping bracket 35 and a flat steel plate having a thickness of 1.6 mm are bent into a C shape as shown in FIG. 6ac, and a flat steel plate having a thickness of 3.2 mm is bent at one end into an L shape as shown in FIG. 6ab. A bent portion 58 of the supporting steel plate 44 with four holes 45 is attached to the end portion 62 of the C-shaped steel plate 43, and the other end is formed with eight holes 65 on a rectangular line at the other end. A C-shaped fastening bracket 36 and a flat steel plate having a thickness of 1.6 mm are bent into a C shape as shown in FIG. 6ac, and a flat steel plate having a thickness of 4.5 mm is generally mounted on one end as shown in FIG. 6ad. A supporting steel plate 49 formed into a shape and having an overlap hole 48 with a diameter of 12 mm. A cut surface 59 is attached to the end portion 60 of the C-shaped steel plate 47, and a third C-shaped fastening bracket 37 having four holes 67 formed in a square shape at the other end, and a flat plate having a thickness of 1.6 mm. The steel plate is bent into a C shape as shown in FIG. 6ac, and at one end, a corner of a 4.5 mm thick flat steel plate is cut into an L shape as shown in FIG. A fourth C-shaped fastening bracket in which a cut surface 63 of a supporting steel plate 53 with holes 52 is attached to an end portion 61 of a C-shaped steel plate 50, and at the other end, eight holes 66 are formed on a rectangular line. 38.

  The overlapping hole 52 of the supporting steel plate 53 of the fourth C-shaped fastening bracket 38 is superimposed on the upper surface of the overlapping hole 48 of the supporting steel plate 49 of the third C-shaped fastening bracket 37 formed in this way, and the third The four holes 45 of the support steel plate 44 of the second C-shaped clamp 36 are overlapped with the upper surfaces of the four holes 67 at the end of the C-shaped clamp 37, and the four holes 45 from the upper direction are overlapped. On the other hand, a pin-shaped fixing bracket 41 in which four conical round bars A, B, C, D are fixed at positions corresponding to the four holes 45 of the supporting steel plate 44 on the rectangular flat steel plate shown in FIG. Inserted into four holes 65 near the support steel plate 44 at the end of the second C-shaped clamping bracket 36 and at four holes 66 near the support steel plate 53 at the end of the fourth C-shaped clamping bracket 38. The four holes 54 and 55 at both ends of the first C-shaped clamp 35 are overlapped, and the holes 54 and 55 at both ends are 6b, as shown in FIG. 6b, the first C-shaped clamp 35, the second C-shaped clamp 36, the third C-shaped clamp 37, and the fourth C-shaped clamp The clamp side fittings 38 are combined to form the formwork side reinforcement headband 40.

FIG. 7 shows each of the first C-shaped clamping bracket 35, the second C-shaped clamping bracket 36, the third C-shaped clamping bracket 37, and the fourth C-shaped clamping bracket 38 described in FIG. The member is shown in plan view.
As shown in FIG. 7a, the cross-sectional shape of the first C-shaped fastening bracket 35 is formed by forming a flat steel plate having a thickness of 1.6 mm into a substantially C shape as shown in FIG. 6ac, and the width of the plane 39 is 90 mm. Each of the folding surfaces 46 and 56 is formed with a width of 30 mm, and each of the folding surfaces 57 and 64 is formed with a width of 10 mm. Furthermore, the total length 70 is 96 cm, and the holes A1, A2, A3, A4, and the holes B1, B2, B3, and B4 are 10 mm in diameter between the hole centers in the vertical and horizontal directions. Are opened with an interval of 50 mm.
As shown in FIG. 7b, the cross-sectional shape of the C-shaped steel plate 43 of the second C-shaped fastening bracket 36 is formed by forming a flat steel plate having a thickness of 1.6 mm into a substantially C shape as shown in FIG. The width of each of the folding surfaces 16 and 56 is 30 mm, and the width of each of the folding surfaces 57 and 64 is 10 mm. Further, the thickness of the support steel plate 44 of the second C-shaped fastening bracket 36 is 3.2 mm, the length 84 is 9 cm, and the length 72 is 66 cm. The support steel plate 44 has holes C1, C2, C3, and C4. Are opened in a square shape with a hole diameter of 10 mm and a space between the center of the upper, lower, left and right holes being 50 mm, and the other is a hole D1, hole D2, hole D3, hole D4, hole D5, hole D6, hole D7. The holes D8 are opened with a hole diameter of 10 mm and a space between the hole centers of 50 mm in the vertical and horizontal directions.
As shown in FIG. 7c, the cross-sectional shape of the C-shaped steel plate 47 of the third C-shaped metal fitting 37 is a flat steel plate having a thickness of 1.6 mm as shown in FIG. The width of each of the folding surfaces 16 and 56 is 30 mm, and the width of each of the folding surfaces 57 and 64 is 10 mm. Further, the supporting steel plate 49 is formed to have a thickness of 4.5 mm, a length 75 of 6 cm, and a length 74 of 84 cm. The supporting steel plate 49 is generally formed in a trapezoidal shape, the length 78 is 45 mm, the side 90 is 70 mm, and the side 86. Is formed with a length of 60 mm and a length of 10 mm, and the other end has a hole E1, a hole E2, a hole E3, and a hole E4 with a hole diameter of 10 mm and a space between the hole centers of 50 mm in the vertical and horizontal directions. The
As shown in FIG. 7d, the cross-sectional shape of the C-shaped steel plate 50 of the fourth C-shaped fastening bracket 38 is formed by forming a flat steel plate having a thickness of 1.6 mm into a substantially C shape as shown in FIG. The width of each of the folding surfaces 16 and 56 is 30 mm, and the width of each of the folding surfaces 57 and 64 is 10 mm. Further, the supporting steel plate 53 is formed with a thickness of 4.5 mm, a length 79 of 65 cm, and a length 80 of 75 mm. The supporting steel plate 53 is formed into a generally triangular supporting steel plate 53 with corners cut into an L shape. The side 69 is 10 cm, the length 83 is 35 mm, the length 82 is 65 mm, the length 85 is 10 mm, and the side 89 is 20 mm. The other end is a hole F1, a hole F2, a hole F3, a hole F4, and a hole F5. The hole F6, the hole F7, and the hole F8 are opened with a hole diameter of 10 mm and a space between the hole centers of 50 mm in the vertical and horizontal directions.

  FIG. 8 shows the third C-shaped clamping of the side wall reinforcing headband 40 described with reference to FIG. 6 on the flange surface 16 of the U-shaped steel plate 12 of the columnar frame / supporting assembly member 24 described with reference to FIG. The folding curved surfaces 57 and 64 of the fitting 37 and the folding curved surfaces 57 and 64 of the fourth C-shaped clamping bracket 38 are put on the upper surface of the overlapping hole 48 of the supporting steel material 49 of the third C-shaped clamping bracket 37. Then, the operator releases the hand from the formwork side reinforcement headband 40 by overlapping the overlapping holes 52 of the fourth C-shaped fastening metal fitting 38 and inserting them into the conical round bar 27 of the fitting fixing metal fitting 26. The formwork side reinforcement headband 40 can be attached to the column formwork support plate / supporting assembly member 24 in this state, and the formwork side reinforcement headband 40 is thus attached to the column formwork support plate / supporting assembly member 24. After attaching the pin-shaped fixing bracket 41 to the first C described in FIGS. Forming is performed by superimposing the clamping bracket 35, the second C-shaped clamping bracket 36, the third C-shaped clamping bracket 37, and the fourth C-shaped clamping bracket 38 into the holes A1 to F8. The side reinforcement headband 40 can be fixed to the column-shaped frame support plate / supporting assembly member 24.

  FIG. 9 is a perspective view showing a state in which the formwork side reinforcement headband 40 described with reference to FIG. 8 is fixed to the columnar formwork plate / supporting assembly member 24 from the indoor side.

The second embodiment of the present invention will be described below.
[Embodiment 2 of the Invention]

  FIG. 10 shows a second embodiment of the present invention. In the first embodiment of the present invention, the first C-shaped fastening bracket is inserted into the hole 65 at the end of the second C-shaped fastening bracket 36 and the hole 66 at the end of the fourth C-shaped fastening bracket 38. 35, the holes 54 and 55 opened at both ends are overlapped, and the pin-type fixing bracket 41 is inserted into the overlapped holes 54 and 65 and the overlapped holes 55 and 66, and the second C-shaped clamping bracket 36 and the first Although the four C-shaped fastening brackets 38 are fixed by the first C-shaped fastening bracket 35, in the second embodiment of the present invention, as shown in FIG. The widths of the flat surfaces 151 (shown in FIG. 10ac) of the both ends of the second C-shaped fastening bracket 121 and the fourth C-shaped fastening bracket 122 are the same as the width of the flat surface 151 (shown in FIG. 10ac). A U-shaped steel plate 12 is attached to the upper surface of the end of the second C-shaped fastening bracket 121 and the upper surface of the end of the fourth C-shaped clamping bracket 122. 127, and as shown in FIG. 10b, the second C-shaped clamping bracket 120 and the fourth C-shaped clamping bracket 122 are overlapped with the first C-shaped clamping bracket 120, so that the second C-shaped clamping bracket 120 is overlapped. The mold clamping bracket 121, the fourth C-shaped clamping bracket 122, and the first C-shaped clamping bracket 120 can be fixed. The positions where the U-shaped steel plates 126 and 127 are attached to the plane 151 (shown in FIG. 10ac) of the second C-shaped fastening bracket 121 and the fourth C-shaped fastening bracket 122 depend on the size of the column mold. This makes it possible to cope with changes in column thickness according to the building shape. Other structures are the same as those of the first embodiment of the present invention.

  As mentioned above, based on the embodiment, the separator-less column form in the reinforced concrete building according to the present invention has been described in detail, but the present invention is not limited to the above embodiment, and the gist of the invention Even if various modifications are made without departing from the scope, it goes without saying that they belong to the technical scope of the present invention.

The member which forms the transparent flat resin which comprises the column form frame, and heat insulation panel based on Embodiment 1 of this invention is shown. The state which assembled the member shown in FIG. 1 based on the embodiment is shown. The transparent flat plate resin pressing member for reinforcing the transparent flat plate resin shown in FIG. 2 according to the embodiment is shown in a three-dimensional view. The state which attached the transparent flat plate resin pressing member demonstrated in FIG. 3 to the transparent flat plate resin based on the embodiment from the indoor side is shown. The state which looked at the column-shaped frame demonstrated in FIG. 4 based on the embodiment from the outdoor side is shown. The state which decomposed | disassembled the headband for fixing the column form frame based on the embodiment is shown with a perspective view. The member of the headband shown in FIG. 6 according to the embodiment is shown in a plan view. The state which looked at the state which attached the headband shown in FIG. 6 to the pillar form frame shown in FIG. 5 based on the embodiment from the indoor side is shown with a perspective view. The state which looked at the column form frame shown in FIG. 8 based on the embodiment from the outdoor side is shown with a perspective view. The state which decomposed | disassembled the headband for fixing the column form frame based on Embodiment 2 of this invention is shown with a perspective view.

A1 hole A2 hole A3 hole A4 hole B1 hole B2 hole B3 hole B4 hole C1 hole C2 hole C3 hole C4 hole D1 hole D2 hole D3 hole D4 hole D5 hole D6 hole D7 hole D8 hole E1 hole E2 hole E3 hole E4 hole E3 hole E4 hole F2 Hole F3 Hole F4 Hole F5 Hole F6 Hole F7 Hole F8 Hole 1 Plywood 2 Styrofoam panel 3 Plywood 4 Transparent flat resin 5 Corner reinforcing steel plate 6 Heat insulation panel 10 Transparent flat resin presser member 11 Transparent flat resin presser member 12 U-shaped steel plate 14 Screw 15 Web surface 16 Flange surface 17 Lightweight grooved steel 20 Flange surface 21 Web surface 22 Flange surface 23 Flange surface 24 Column-shaped frame strut plate / supporting assembly member 26 Insertion fixing rod metal fitting 27 Conical round rod 28 L shape Pedestal 29 Pedestal upper surface 31 Flat steel plate 32 Conical round bar D
33 Conical round bar A
34 Conical round bar B
35 First C-shaped clamping bracket 36 Second C-shaped clamping bracket 37 Third C-shaped clamping bracket 38 Fourth C-shaped clamping bracket 39 Flat surface 40 Formwork side reinforcement headband 41 Pin-shaped fixing bracket 42 Conical round bar C
43 C-shaped steel plate 44 Support steel plate 45 Hole 46 Folded curved surface 47 C-shaped steel plate 48 Stack hole 49 Support steel plate 50 C-shaped steel plate 51 Notched portion 52 Stacked hole 53 Support steel plate 54 Hole 55 Hole 56 Folded curved surface 57 Folded curved surface 58 Folded portion 59 Cutting surface 60 End portion 61 End portion 62 End portion 63 Cutting surface 64 Folding curved surface 65 Hole 66 Hole 67 Hole 68 Side 69 Side 70 Length 71 Length 72 Length 73 Length 74 Length 75 Length 76 Length 77 Length 78 Length 79 Length 80 Length 81 Length 82 Length 83 Length 84 Length 85 Length 86 Side 87 Side 88 Side 89 Side 90 Side 91 Sleeve 92 Sleeve 93 End 94 End 95 Sleeve 96 Sleeve 97 End 98 End 99 Sleeve 100 Sleeve 101 End 102 Sleeve 103 End 104 Sleeve 118 Hole 120 First C-shaped Fastening Bracket 121 Second C-Shaped Fastening Bracket 122 Fourth C-Shaped Fastening Bracket 123 Third C-Shaped Attachment 124 U-shaped steel 125 U-shaped steel plate 126 a U-shaped steel plate 127 a U-shaped steel plates 128 pin-shaped fixing bracket 129 overlapping the holes 130 hole 131 fitting fixing rod bracket 133 conical round bar D
134 Cone round bar C
135 Conical Round Bar B
136 Conical Round Bar A
137 C-shape steel plate 138 Support steel plate 139 Hole 140 Bent portion 141 C-shape steel plate 142 Notch portion 144 Support steel plate 145 End portion 146 Cut surface 147 Support steel plate 149 C-shape steel plate 150 Formwork side surface reinforcing member

Claims (3)

  In a column formwork at the corner of a reinforced concrete building, an outdoor column formwork plate is formed by two heat insulating panels in which both sides of a polystyrene foam panel are bonded in a sandwich shape with a plywood panel, and a column formwork on the indoor side. The plate is made of transparent flat resin, and a plurality of lightweight groove steels are arranged vertically on the indoor side of the transparent flat resin, and fixed with a plurality of U-shaped steel plates above and below the indoor side of the lightweight groove steel. A transparent flat resin presser member is arranged, and the side walls of the formwork supporting the four sides of the columnar frame configured in this way are fixed with a C-shaped fastening hardware obtained by bending a flat steel plate into a generally C shape. Column form without separator in reinforced concrete building.   The C-shaped fastening hardware is composed of a first C-shaped fastening bracket in which a flat steel plate is bent into a substantially C shape and a plurality of holes are formed at both ends, and the flat steel plate is bent into a substantially C shape at one end. A second C-shaped fastener with an L-shaped support steel plate with a plurality of holes and a plurality of holes at the other end, and a flat steel plate bent into a substantially C shape and a plurality of at one end A third C-shaped fastening bracket having a generally trapezoidal support steel plate with a perforated hole at the other end and a flat steel plate bent into a generally C shape, and a plurality of A fourth C-shaped fastening bracket with a triangular support steel plate with a hole drilled and an overlapping hole formed at the other end so as to overlap with the third C-shaped fastening bracket. The column formwork without a separator in a reinforced concrete building according to claim 1, wherein   A plurality of fittings in which a corner reinforcing steel plate bent at a right angle is fixed to a corner obtained by combining two of the heat insulation panels at a right angle, and a conical round bar is fixed to an L-shaped pedestal on a side surface of the corner reinforcing steel plate. A fixed bar bracket is attached, and the overlapping hole of the third C-shaped clamping bracket and the overlapping hole of the fourth C-shaped clamping bracket are overlapped and fitted into the conical round bar of the fixed rod-shaped bracket. The column form without a separator in the reinforced concrete building according to claim 1 or 2.

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