JP2019100032A - Form construction method and form unit for lifting - Google Patents

Abstract

To reduce the construction time by simplifying the installation and removal work of a form to be lifted.SOLUTION: In a form construction method using a lifting form unit 1 manufactured by attaching a lateral end thick material 32 to a plurality of form panels 2, there are provided a first binding part 4a to which a separator is attached and a second binding part 4b to which the separator is not attached. A wire rope 40 is attached to lift and move the lifting form unit 1, and one end part of the separator is attached to the first binding part 4a of the lifting form unit 1 installed at a prescribed position. A plurality of other form panels 2 are built up through a form bearing tool attached to the other end of the separator to construct a form. After curing a concrete placed in the form, only a form binding metal fitting used in the first binding part 4a is removed from the form bearing tool. The wire rope 40 is attached to a form lifting metal fitting, and the lifting form unit 1 is lifted and moved.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a formwork for placing concrete.

  At construction sites such as apartments and hospitals where the scale of buildings is large, large-sized forms are used for placing concrete. When installing such a large formwork, the formwork is lifted and moved by a wire rope. Heretofore, when lifting the formwork, the wire rope is directly wound around the lateral end thick members constituting the formwork. However, even if the wire rope is firmly wound around the lateral end, there is a risk that the form will be shaken from side to side during lifting and the wire rope will move, and the balance of the form may not be maintained. Then, the following prior art is disclosed regarding the metal fitting which lifts a formwork.

  The hanging jig for forming a formwork according to Patent Document 1 is a technique in which a pipe is provided with a hook, and the hook is engaged with a thick end member to lift a plurality of pipes through a rope. The hanging bracket of the formwork of Patent Document 2 is an inverted U-shaped, and is composed of a snap rod having a stopper on the opening side, and is attached to a hanging hole at a required position away from the top end of the form It is a technique to lift with a rope etc.

Japanese Utility Model Publication No. 6-7172 Japanese Patent Application Laid-Open No. 11-130373

  In the technique of Patent Document 1, the jig itself is large and heavy, and the workability is poor because the hook pieces are engaged with each of the lateral end thick members. In the technique of Patent Document 2, since the metal fitting is attached to the hole opened in the formwork, the load may act directly on the formwork to damage the formwork. If the formwork is damaged, it will not be possible to reuse the formwork. In this case, it is necessary to repair the damaged form, to dispose of it, or to procure a new form, which lowers the working efficiency. Moreover, in the conventional construction method, when removing the formwork after concrete placement, it is necessary to remove all parts, such as a lateral end thick material and a formwork bearing, and it took time and effort.

  The present invention has been made in view of the conventional problems as described above, and it is an object of the present invention to simplify the work of setting up and removing a form that can be lifted and shorten the construction time.

  The present invention which solves the above-mentioned subject connects a plurality of formwork panels to which a longitudinal end thick material was attached to a gutter board, respectively, and a lifting formwork produced by attaching a lateral end thick material to the formwork panel. It is a formwork method using a unit, and when manufacturing the above-mentioned lifting formwork unit, a separator is attached as a binding part for fixing the formwork panel and the lateral end material using a formwork binding bracket. And a second tightening portion to which the separator is not attached, and at least two of the tightening portions at the same height are used as the second tightening portion, and the second tightening portion A fixing part to be fixed to the form fitting as well as a fixing part provided on the upper side of the fixing part, between the hook plate of the tightening part and the lateral end material and a hook to which a wire rope is attached Install a formwork lifting bracket that has a part Attaching the wire rope to the formwork lifting bracket, lifting and moving the lifting formwork unit, moving the lifting formwork unit to the first binding portion of the lifting formwork unit installed at a predetermined position; A plurality of other formwork panels are erected to construct the formwork so as to face the lifting formwork unit via the formwork support attached to the other end of the separator while attaching one end. After curing the concrete cast in the formwork, only the formwork fastening metal fitting used in the first tightening portion is removed from the formwork support, and the wire for the formwork lifting metal fitting is removed A rope is attached to lift and move the lifting formwork unit.

  Further, the present invention according to another aspect is a lifting formwork unit constituting a formwork for placing concrete, which is a formwork panel in which a longitudinal end material is attached to a coping plate, and the above-mentioned formwork panel A formwork mounting bracket attached to the back side, a formwork support attached to the front side of the formwork panel, a screw member having a flat head portion attached to the front side of the formwork panel, and the hook A fastening part provided with a form lifting bracket provided between a plate and a lateral end material, wherein a plurality of the formwork panels are connected to each other, and the formwork panel and the lateral end material are fixed as a fastening portion A first fastening portion in which the formwork panel and the lateral end are fixed by the formwork fastening metal fitting and the formwork support; and the formwork panel with the formwork fastening metal fitting and the screw member. Having a second tightening portion to which the lateral end material is fixed, At least two of the tightening portions at a distance are the second tightening portions, and a fixing portion to which the formwork lifting bracket is fixed to the formwork tightening fitting, and an upper side of the fixing portion And a hooking portion provided on the wire rope, the metal frame lifting bracket being attached to the second tightening portion.

  According to the present invention, it is possible to simplify the work of setting up and removing the form that can be lifted and shorten the construction time.

It is a perspective view of the back side (the concrete non-casting side) of a lifting formwork unit concerning an embodiment of the invention. It is a perspective view of the front side (concrete pouring side) of a lifting formwork unit concerning an embodiment of the invention. It is AA sectional drawing in FIG. 2 which shows the 1st stringing part of the lifting formwork unit concerning embodiment of this invention. It is BB sectional drawing in FIG. 2 which shows the 2nd binding part of the lifting formwork unit concerning embodiment of this invention. It is a perspective view of a formwork lifting bracket according to an embodiment of the present invention. It is a figure which shows the state in which the metal fitting for formwork lifting concerning embodiment of this invention is provided in the 2nd connection part. In addition, illustration of a longitudinal end thick material is abbreviate | omitted in this figure. It is a figure which shows the back side of the formwork panel for demonstrating the preparation procedure of the lifting formwork unit concerning embodiment of this invention. It is a figure which shows the front side of the formwork panel for demonstrating the preparation procedure of the lifting formwork unit concerning embodiment of this invention. It is a figure which shows the back side of the formwork panel for demonstrating the preparation procedure of the lifting formwork unit concerning embodiment of this invention. It is a figure which shows the back side of the formwork panel for demonstrating the preparation procedure of the lifting formwork unit concerning embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the present specification and the drawings, elements having substantially the same functional configuration will be assigned the same reference numerals and redundant description will be omitted.

  The lifting formwork unit 1 in the present embodiment has a configuration as shown in FIGS. 1 and 2. As shown in FIGS. 1 and 2, the lifting formwork unit 1 according to the present embodiment includes a plurality of formwork panels 2 arranged side by side in the width direction W of the lifting formwork unit 1, and a longitudinal direction for lifting A lateral end member 32 disposed so as to face in the width direction W of the form unit 1 and a form fitting 3 for attaching the lateral end member 32 to the lifting form unit 1 are provided.

  The formwork panel 2 is composed of a plurality of roof boards 30 made of plywood (control panel), a resin panel or the like, and a plurality of longitudinal end members 31 made of square bars or the like. The respective longitudinal end members 31 are parallel to each other at an appropriate distance, and the longitudinal direction is directed to the height direction H of the lifting form unit 1, the back side of the weir plate 30 by nail or the like (Fixed on the non-casting side). As for a plurality of formwork panels 2 arranged in the width direction W of the lifting formwork unit 1, adjacent longitudinal end members 31 at the widthwise end of each formwork panel 2 are as described in JP 2013-241734A. It is connected by the formwork connection metal as described in the gazette. For example, nails may be used to connect the formwork panels 2. However, the use of formwork connection hardware as in the present embodiment enables easy connection work.

  The lateral end members 32 are made of steel, resin, etc. tube members, and each of the dies arranged along the width direction W of the lifting form unit 1 by arranging a plurality of lateral end members 32 or the like. It has a length sufficient to connect the frame panels 2. As shown in FIG. 3, the lateral end thick member 32 is fixed to the formwork panel 2 by the formwork fastening bracket 3 attached to the back side of the formwork panel 2. The form fitting 3 is provided with a bolt 21 having a flange 20 formed at its tip, a washer 22 through which the bolt 21 passes, and a nut 23 for pressing the washer 22 by screwing it to the bolt 21.

  A screw 36 is attached to the inside of the formwork support 35 disposed on the front side (concrete casting side) of the weir plate 30, and the tip of this screw 36 is a through hole formed in the weir plate 30. As a result, it is screwed into the end face of the bolt 21 of the form fitting 3 disposed on the back side of the form panel 2. The end face of the bolt 21 of the form fastening 3 is provided with a screw hole for screwing the end of the screw 36. By tightening the screw 36, the wedge plate 30 is firmly held between the flange portion 20 at the tip of the bolt 21 and the frame support 35.

  The washers 22 are pressed onto the bolts 21 of the form fitting 3 from the top (the back side of the form panel 2) of the two side ends 32 disposed on the back side of the end 31 of the longitudinal end. Further, a nut 23 is attached from above (on the rear side of the formwork panel 2). As a result, the two lateral end members 32 are pressed against the back side of the longitudinal end member 31 via the washer 22, and the longitudinal end members 31 and the lateral end members 32 are held in a lattice-like state It is done. Further, when the longitudinal end members 31 and the lateral end members 32 are assembled in a lattice, the lateral end members 32 are received by the recesses 24 formed in the washer 22, and the lateral end members 32 are Misalignment is suppressed.

  In the above description, the formwork panel 2 and the lateral end plate 32 are fixed by the formwork fastening metal fitting 3 and the formwork support member 35 at the tightening portion 4 which is a connection point between the formwork panel 2 and the lateral end plate 32. However, in the lifting formwork unit 1 of the present embodiment, there is also a binding portion 4 in which the formwork bearing 35 is not used. In such a fastening portion 4, a screw member 5 having a flat head as shown in FIG. 4 is provided instead of the formwork support 35. The screw member 5 is screwed into the front end surface of the bolt 21 of the form fitting 3 from the front side of the sheathing plate 30, whereby the form panel 2 and the lateral end thick member 32 are fixed.

  As described above, in the lifting formwork unit 1 of the present embodiment, the binding portion 4 (FIG. 3) in which the formwork support 35 is provided as the binding portion 4 of the formwork panel 2 and the lateral end member 32. There is a tie 4 (FIG. 4) in which the formwork bearing 35 is not provided. When constructing the formwork, one end of a separator (not shown) is attached to the formwork support 35, and the other formwork support 35 is attached to the other end of the separator. Another formwork panel 2 is erected at a position facing the lifting formwork unit 1 via the tool 35. On the other hand, the separator can not be attached to the tightening portion 4 in which the screw member 5 is provided. That is, in the lifting formwork unit 1 of the present embodiment, the binding portion 4 (hereinafter referred to as the “first binding state”) in which the separator is provided at the time of construction of the form There is a portion 4a ′ ′) and a binding portion 4 (hereinafter, “second binding portion 4b”) in which the separator is not provided.

As shown in FIG. 2, in the lifting formwork unit 1 of the present embodiment, the first tightening portions 4 a are arranged in a row so that the adjacent tightening portions 4 in the height direction H become the first tightening portions 4 a. There is a portion and a portion where the second tightening portions 4b are arranged in a row so that the tightening portions 4 adjacent in the height direction H become the second tightening portions 4b. The Oite of this embodiment, column L ₂ between the rows L ₁ of the first Tightened portion 4a second Tightened portion 4b, are arranged alternately along the width direction W for form unit 1 lifting ing.

  The horizontal end members 32 attached to the formwork panel 2 are provided in a plurality of stages along the height direction H of the lifting form unit 1 as a pair of two, but the horizontal end located at the top end is A form lifting bracket 6 for lifting the lifting form unit 1 is attached to a part of a plurality of second binding portions 4 b provided for the material 32. The form lifting bracket 6 is attached to the second tightening portion 4 b near both ends in the width direction of the lifting form unit 1. The position of the second tightening portion 4b to which the formwork lifting bracket 6 is attached is not particularly limited, and may be appropriately changed according to the width of the lifting formwork unit 1 or the like.

  As shown in FIG. 5, the mold lifting bracket 6 has a pair of plate-like portions 10, 10 disposed in parallel at a predetermined interval. The plate-like portions 10, 10 are formed, for example, by bending a steel plate in a V-shape, and the lower ends of the plate-like portions 10, 10 are in a state of being connected by the bent portion 11. A hooking portion 12 for attaching the wire rope 40 is formed on the upper portions of the plate-like portions 10. In the present embodiment, the hooking portion 12 has a round hole shape for passing the pin 52 of the shackle 51. Between the plate-like portions 10, a fixing portion 15 for fixing the form fitting 3 is provided. The fixing portion 15 has a tubular shape through which the bolt 21 of the form fitting 3 is passed. The fixing portion 15 is attached to the plate-like portions 10, 10 by welding or the like. Notches 16 are formed in the side edges of the plate-like portions 10 at positions corresponding to the fixing portions 15.

  As shown in FIG. 6, in the formwork lifting bracket 6, the bolt 21 of the form fitting 3 attached vertically to the back side of the sheathing plate 30 is passed through the fixing portion 15 of the formwork lifting fitting 6. Thus, the width direction W of the plate-like portion 10 of the mold lifting bracket 6 is arranged to be perpendicular to the sheathing plate 30. Then, the plate-like portion 10 of the form lifting bracket 6 is sandwiched between the anchor plate 30 and the lateral end 32, and the lateral end 32 is a washer 22 attached to the bolt 21 of the form fastening 3. And by the nut 23.

  When the lifting formwork unit 1 is lifted, the shackle 51 is attached to the loop portion 50 provided at the lower end of the wire rope 40, and the pin 52 of the shackle 51 is a plate-like portion of the formwork lifting bracket 6. It is passed through and fixed to a hooking portion 12 (round hole shape) provided at the upper part of 10. As a result, the wire rope 40 is connected to the formwork lifting bracket 6, and the lifting formwork unit 1 can be lifted.

  In the present embodiment, the width D of the plate-like portions 10 of the form lifting bracket 6 is the same as the width M (FIG. 3) of the thick end 31 of the form panel 2. As a result, the distance between the gutter plate 30 and the lateral end plate 32 becomes equal to the width M of the longitudinal end plate 31 even at the mounting location of the formwork lifting bracket 6, and the entire length of the lateral end plate 32 is removed. Since the distance between the plate 30 and the lateral end members 32 is kept equal, the mold lifting bracket 6 can be fixed more firmly. In addition, excessive tightening by the bolt 21 is avoided at the mounting location of the mold lifting bracket 6, damage to the mold panel 2 is prevented, and the lifting form unit 1 can be used around.

  Further, when the plate-like portion 10 of the mold lifting bracket 6 is sandwiched between the sheathing plate 30 and the lateral end 32, the flange portion 20 at the tip of the bolt 21 is provided at the side edge of the plate-like portion 10. It is received in the notch 16. For this reason, the collar part 20 does not protrude from the side edge of the plate-like part 10, and the entire side edge of the plate-like part 10 can be closely adhered to the back surface of the sheathing plate 30 without a gap. Thereby, the lifting formwork unit 1 can be lifted in a stable state. Furthermore, since the load load can be dispersed to the other formwork lifting bracket 6 via the lateral end thick member 32, damage to the formwork panel 2 is prevented, and the lifting formwork unit 1 is used. It becomes possible to turn.

  In addition, since the mold lifting bracket 6 according to the present embodiment includes the pair of plate-like portions 10 arranged in parallel at a predetermined interval, the bolt passed through the fixing portion 15 The pressing force from the washer 22 can be evenly received by the pair of plate-like parts 10, 10 on both sides of the frame 21, and the formwork lifting bracket 6 is stably fixed. In addition, if the pair of plate-like parts 10, 10 are configured in a V-shape, the fixed part 15 attached by welding or the like does not fall downward, and the load of the formwork panel 2 can be supported reliably. it can. As shown in FIG. 6, in order to uniformly receive the pressing force from the horizontal end 32 arranged two by two at the upper and lower sides of the bolt 21 passed through the fixed portion 15, the plate-like portions 10, 10 are shown in FIG. It is desirable that the upper and lower portions of the fixing portion 15 have a length up to a position where the lateral end thick member 32 can be received.

  The lifting formwork unit 1 of the present embodiment is configured as described above. At the construction site, a lifting formwork unit 1 produced by connecting a plurality of formwork panels 2 is installed at a predetermined position, and a plurality of other molds are disposed at a position facing the lifting formwork unit 1. The frame panel 2 is built, and the lifting formwork unit 1 and the plurality of formwork panels 2 are respectively connected via the separators (not shown), whereby a concrete placing formwork is constructed. Note that the formwork support 35 is not attached to the plurality of formwork panels 2 built at a position facing the lifting formwork unit 1, and the formwork support is provided on the weir plate 30 of the formwork panel 2. Only a through hole for inserting the screw 36 of the tool 35 is formed.

  Next, a formwork method using the lifting formwork unit 1 will be described.

First, as shown in FIG. 7 and FIG. 8, two gutter plates 30 are vertically arranged, and a thick end 31 is attached at a predetermined interval to produce the formwork panel 2. A through hole (not shown) is formed in the covering plate 30 in accordance with the position of the connection portion between the formwork panel 2 and the lateral end thick member 32. Next, at the position of the through hole formed in the weir plate 30, attach the form fitting 3 from the back side of the weir plate 30 and attach the screw member 5 or the form bearing 35 from the front side of the weir plate 30 The first tightening portion 4a or the second tightening portion 4b is configured. In this embodiment, with respect to one formwork panel 2, the string L1 of the _first stringed parts 4a and the stringed parts 4a adjacent to each other in the height direction H of the lifting formwork unit 1 become the first stringed parts 4a. A row L2 of _second stringed portions 4b in which the stringed portions 4 adjacent in the height direction H of the formwork unit 1 are the second stringed portions 4b is provided one by one.

Subsequently, a plurality of mold panels 2 in a state in which the above-described mold fasteners 3 are attached are manufactured, and the respective mold panels 2 are arranged in the width direction W of the lifting mold unit 1 as shown in FIG. . Here, arranged as rows L ₂ between the rows L ₁ of the first Tightened portion 4a second Tightened portion 4b are arranged alternately along the width direction W. Then, the longitudinal end thick members 31 of the adjacent formwork panels 2 are connected by the formwork connection metal fittings 7. This operation is repeated until the desired width of the lifting formwork unit 1 is reached. Note that the mold lifting bracket 6 is attached to a part of the second tightening portions 4b so that the lifting form unit 1 can be lifted. After that, as shown in FIG. 10, two horizontal end thick members 32 are disposed in each of the binding portions 4 and the nuts 23 of the form fitting 3 are tightened to fix the horizontal end thick members 32 to the form panel 2. Thereby, the lifting formwork unit 1 as shown in FIG. 1 is produced.

  Next, the shackle 51 to which the wire rope 40 is attached is attached to the formwork lifting bracket 6 of the lifting formwork unit 1, and the lifting formwork unit 1 is lifted by a lifting machine such as a crane or a hoist. After the lifting formwork unit 1 is moved to a designated location and installed, the shackle 51 is removed. In addition, after that, according to need, the other lifting formwork units 1 are installed in order so as to be arranged beside the lifting formwork unit 1 already installed.

  Thereafter, a plurality of formwork panels 2 are erected at positions facing the installed lifting formwork unit 1 to construct a formwork for placing concrete. At this time, one end of a separator (not shown) is attached to each of the first tightening portions 4a of the lifting form unit 1, and a form support 35 is attached to the other end of the separator. In addition, the reinforcement of the front side of the lifting formwork unit 1 is also performed in this process. Subsequently, a plurality of other formwork panels 2 installed opposite to the lifting formwork unit 1 are prepared, and the screws 36 of the formwork support 35 attached to the other end of the separator are formed on the weir plate 30 The other formwork panels 2 are built in order so as to be inserted into the through holes, and the formwork fastening metal fittings 3 are attached to the screws 36 projecting on the back side of the formwork panels 2.

  Then cast concrete in the formwork. After curing of the concrete, the lifting form unit 1 is released. In the present embodiment, of the connected portions 4 of the form panel 2 and the lateral end members 32, the separator is attached only to the first connected portion 4a. For this reason, the lifting formwork unit 1 can be removed from the concrete casing only by removing the form fitting 3 of the first tightening portion 4 a from the form support 35. In other words, since the removal of the form fitting 3 and the screw member 5 of the second tightening portion 4 b is unnecessary, the working time when removing the lifting form unit 1 can be shortened. In addition, after removing the form fitting 3 of the first tightening portion 4a, the form supporting member 35 left on the surface of the concrete casing is removed after the lifting form unit 1 is demolded.

  Then, the shackle 51 with the wire rope 40 attached is attached to the formwork lifting bracket 6 of the lifting formwork unit 1, and the lifting formwork unit 1 is lifted and moved. At this time, in the lifting formwork unit 1 of the present embodiment, since the form fitting 3 and the screw member 5 are still attached at the second tightening portion 4b, the lateral end 32 is a mold. It is fixed to the frame panel 2. As a result, when the lifting formwork unit 1 is lifted, the lateral end thick members 32 do not fall off, and the lifting formwork unit 1 can be moved in a stable posture. The lifting formwork unit 1 can be used as the lifting formwork unit 1 for the next concrete placing position only by attaching the formwork fastening 3 and the formwork support 35 again to the first tightening portion 4a. It is possible to simplify the installation of the form and shorten the construction time.

  The formwork method using the lifting formwork unit 1 of the present embodiment is as described above. According to the formwork method using the lifting formwork unit 1 of the present embodiment, when removing the lifting formwork unit 1 after putting concrete, it is not necessary to remove all the parts, and the demolding operation can be performed. It can be done easily. As a result, construction time can be shortened.

In addition, according to the lifting mold unit 1 of the present embodiment, the first Tightened portion 4a of the string L ₁ and second Tightened portion 4b width direction W of the column L ₂ is lifting formwork unit 1 Since they are alternately arranged along the line, there is also obtained an effect that it becomes easy to identify the location of the tightening portion 4 from which the parts are to be removed when the lifting formwork unit 1 is removed from the concrete casing. Further, for example, a color (mark) may be attached to the washer 22 of the mold fastening 3 of the second fastening portion 4b. Also in this case, when the lifting formwork unit 1 is removed from the mold, it is easy to determine the location of the binding portion 4 from which the component should be removed.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to this example. It is apparent that those skilled in the art can conceive of various changes or modifications within the scope of the technical idea described in the claims, and the technical scope of the present invention is also natural for them. It is understood to belong to

  For example, in the above embodiment, the screw member 5 is used in the second tightening portion 4b in which the separator is not provided, but in the second tightening portion 4b as well as in the first tightening portion 4a, the frame support 35 May be used. Even in this case, a separator is not provided in the second tightening portion 4b, so that it is possible to carry out a formwork method capable of shortening the construction time as in the above embodiment. However, if a formwork support 35 is used, a pit is formed on the surface of the concrete casing after the lifting formwork unit 1 and the formwork support 35 are removed, so it is necessary to perform trace hole processing such as stuffing mortar. . For this reason, in the second tightening portion 4b, the use of the screw member 5 instead of the mold supporting member 35 makes it possible to omit the trace hole process and to shorten the construction time more.

  Further, the shape of the mold lifting bracket 6 is not limited to that described in the above embodiment. In order to carry out the formwork method described in the above embodiment, the formwork lifting bracket 6 is provided between the anchor plate 30 and the lateral end plate 32, and the formwork fastening fitting 3 is fixed. It is sufficient to have the fixing portion 15 and the hooking portion 12 to which the wire rope 40 provided above the fixing portion 15 is attached.

Further, the mold as in the above embodiment are arranged alternately along the columns L ₁ and second Tightened portion 4b width direction W of the column L ₂ the lifting formwork unit 1 of the first Tightened portion 4a It was constructed unit 1, a column L ₁ of the first Tightened portion 4a column L ₂ of the second Tightened section 4b may not be arranged alternately, also not be arranged in a row Also good. Even in this case, when the lifting formwork unit 1 is removed, the lifting formwork unit 1 can be removed simply by removing the form fitting 3 and the formwork support 35 of the first tightening portion 4a. It is possible to lift. Further, the number and the position of the first tightening portion 4 a and the second tightening portion 4 b are not particularly limited. However, when the lifting formwork unit 1 is removed and moved, at least two of the plurality of tightening portions 4 at the same height are such that the lateral end thick members 32 do not fall off the formwork panel 2. It is necessary to set it as the 2nd tightening part 4b.

  Further, in the above embodiment, when building a mold, the plurality of mold panels 2 to which the mold supporting members 35 are not attached are sequentially arranged at a position opposite to the lifting mold unit 1 installed at a predetermined position. Although the construction has been described, a construction in which the formwork panels 2 are connected to each other by the formwork connecting hardware 7 may be built beforehand. Further, the form fitting 3 and the screw member 5 are attached to the connected formwork panel 2 to form a second tightening part 4b, and the lateral end thick member 32 is fixed at the second tightening part 4b. You may leave it. However, in the latter case, when the formwork panel 2 is erected, it is necessary to separately provide the formwork fastening metal fitting 3 at the position of the screw 36 of the formwork support 35 protruding to the back side.

  INDUSTRIAL APPLICABILITY The present invention can be used for concrete placement work, and is particularly useful in construction sites such as condominiums and hospitals where the scale of the building is large.

DESCRIPTION OF SYMBOLS 1 lifting formwork unit 2 formwork panel 3 formwork fastener 4 fastening part 4 a first tightening part 4 b second fastening part 5 screw member 6 formwork lifting fitting 7 formwork connecting fitting 10 plate-like part 11 bending Part 12 Locking part 16 Notch 20 Collar 21 Bolt 22 Washer 23 Nut 24 Concave 30 Plate 31 Vertical end plate 32 Side end plate 35 Form frame support 36 Screw 40 Wire rope 50 Loop portion 51 Shackle 52 Pin H width in the height direction L ₁ first row W lifting formwork unit column L ₂ second Tightened portion of Tightened part for formwork unit lifting

Claims (5)

A formwork method using a lifting formwork unit manufactured by connecting a plurality of formwork panels having longitudinal end members attached to a gutter plate and attaching a lateral end end member to the formwork panel, ,
When producing the lifting formwork unit,
A first binding portion to which a separator is attached and a second binding portion to which the separator is not attached are provided as a binding portion for fixing the formwork panel and the lateral end thick member using a form fitting. ,
At least two of the tightening portions at the same height are the second tightening portions,
A fixing portion fixed to the form fitting and a wire rope provided above the fixing portion are attached between the wedge plate of the second tightening portion and the lateral end thick member. Attach a formwork lifting bracket that has a hook that can be
Attaching the wire rope to the formwork lifting bracket, and lifting and moving the lifting formwork unit;
One end of the separator is attached to the first tightening portion of the lifting form unit installed at a predetermined position, and the lifting mold is attached to the other end of the separator via a form support. A plurality of other formwork panels are built to face the form unit to construct the formwork;
After curing the concrete cast in the formwork, only the formwork clamp used in the first tightening portion is removed from the formwork support;
A formwork method characterized in that the wire rope is attached to the formwork lifting bracket and the lifting formwork unit is lifted and moved.   In the second tightening portion, the formwork panel and the lateral end are fixed by using the formwork fastening metal fitting and a screw member having a flat head portion. Formwork method described in. When attaching the lateral end material to the formwork panel,
The first tightening portions are arranged in a row so that the tightening portions adjacent in the height direction of the lifting formwork unit become the first tightening portions,
The second tightening portions are arranged in a row so that the tightening portions adjacent in the height direction of the lifting form unit become the second tightening portions. Formwork method described in. A lifting formwork unit that forms a formwork for placing concrete,
Formwork panel with longitudinal end material attached to glazing board,
A form fitting, which is attached to the back side of the form panel,
A formwork bearing attached to the front side of the formwork panel;
A screw member having a flat head and attached to the front side of the formwork panel;
And a metal frame lifting bracket provided between the gutter plate and the lateral end material;
A plurality of said formwork panels are connected to one another;
A first binding in which the formwork panel and the lateral end material are fixed by the formwork fastening metal fitting and the formwork support as a tightening portion in which the formwork panel and the lateral end material are fixed. A second fastening part in which the formwork panel and the lateral end are fixed by the part, the form fitting and the screw member, and
At least two of the tightening portions at the same height are the second tightening portions,
The formwork lifting bracket has a fixing portion to be fixed with respect to the formwork binding fitting, and a hooking portion provided above the fixing portion to which a wire rope is attached, and the formwork lifting A mounting bracket is attached to the second tightening portion, a lifting formwork unit. A row of first tightening portions where the tightening portions adjacent in the height direction of the lifting formwork unit are the first tightening portions;
The stringing portions adjacent in the height direction have a row of second stringing portions which are the second stringing portions;
The lifting mold according to claim 4, wherein the row of the first tightening portions and the row of the second tightening portions are arranged along the width direction of the lifting form unit. Frame unit.

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