JP2012241473A - Support material for temporary scaffold plate and method of installing temporary scaffold using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a support material for a temporary scaffold plate with which a temporary scaffold can be installed while a concrete form is installed with small man-hours for construction of a skeleton such as elevator shafts.SOLUTION: The support material for a temporary scaffold plate includes a rod-like supporter which has one end part arranged on a batten cleat of a first concrete form for constructing one of mutually opposed wall bodies and the other end part arranged on a batten cleat of a second concrete form for constructing the other of the mutually opposed wall bodies while the temporary scaffold is mounted; a first anchor support part provided to the one end part of the rod-like supporter; a first concrete anchor provided detachably to the first anchor support part; a first concrete form fixation part provided to the one end part of the rod-like support body and fixed to the first concrete form with nails or screws; a second anchor support part provided to the other end part of the rod-like supporter; a second concrete anchor provided detachably to the second anchor support part; and a second concrete form fixation part provided to the other end part of the rod-like supporter and fixed to the second anchor support part with nails or screws.

Description

  The present invention relates to a support material for a temporary scaffolding plate, and more particularly, in a frame construction such as an elevator shaft, a temporary scaffolding can be installed simultaneously with installation of a formwork with a small number of man-hours. The present invention relates to a support material for a temporary scaffolding plate, which can be performed safely as well as economically, and a method for installing a temporary scaffolding using the same.

  Conventionally, installation of a temporary scaffold when constructing an elevator shaft, which is a passage through which an elevator travels, has been performed, for example, by the following method. FIGS. 10-12 is a side view which shows an example of the installation method of the conventional temporary scaffold in order of a process.

  When constructing the elevator shaft 100, first, as shown in FIG. 10, the molds 103 and 104 for configuring the wall body 101 and the mold frames 105 and 106 for configuring the wall body 102 are installed. Is done.

  Next, through holes for inserting the anchor bolts 107 and 108 are formed in the inner molds 103 and 105, respectively. Next, the anchor bolts 107 and 108 are inserted through the through holes, and the anchor bolts 107 and 108 are fixed to the molds 103 and 105 with nuts. A plurality of anchor bolts 107 are fixed along the lateral direction of the mold 103 (the vertical direction in FIG. 9), and the plurality of anchor bolts 108 are fixed in the lateral direction of the mold 105 (perpendicular to the paper in FIG. 9). Direction). Next, concrete is placed in the concrete placement space for configuring the walls 101 and 102. When the concrete is hardened, the walls 101 and 102 are obtained.

  Next, as shown in FIG. 11, the molds 103 to 106 are removed. Next, the channel steels 109 and 110 are fixed to the anchor bolts 107 and 108 with nuts, respectively. A plurality of bolt insertion holes are formed in the channel steels 109 and 110 at intervals equal to the arrangement intervals of the anchor bolts 107 and 108, respectively.

  Next, as shown in FIG. 12, a plurality of horizontal pipes 111 are horizontally mounted on the grooved steels 109 and 110 at intervals. Next, a plurality of scaffolding plates 112 are placed on the plurality of horizontal pipes 111. This completes the installation of the temporary scaffold.

  According to this method, a temporary scaffold can be constructed by the anchor bolts 107 and 108, the channel steels 109 and 110, the horizontal pipe 111, and the scaffold plate 112.

However, this conventional method has the following problems.
That is, conventionally, the scaffold plate 112 could not be installed unless the molds 103 and 105 were removed and the grooved steels 109 and 110 were installed. Therefore, there is no temporary scaffold on the corresponding floor until the molds 103 and 105 are removed, and there is a problem that it is difficult to remove the molds 103 and 105 in the elevator shaft 100 and other work. In addition, when the installation position of the anchor bolts 107 and 108 and the position of the bolt insertion holes of the channel steels 109 and 110 are deviated, it is necessary to reopen the bolt insertion holes in the channel steels 109 and 110. There was a problem that efficiency was not good. Moreover, since the grooved steels 109 and 110 are necessary, there is a problem that it is economically disadvantageous. In addition, it is necessary to cut the horizontal pipe 111 in accordance with the interval between the wall bodies 101 and 102. Since the interval between the wall bodies 101 and 102 differs depending on the building, there is a problem that it takes time to change the cutting position depending on the building. .

  Patent Document 1 discloses an invention related to a temporary scaffold unit. However, this temporary scaffold unit has a large structure and requires many man-hours for installation, and it is necessary to lift the unit with a winch or the like every time the frame construction is completed on each floor. For this reason, this technique cannot solve the above-described problem.

JP 2007-154540 A

  The present invention has been made in view of such circumstances, and in the construction of an elevator shaft or the like, a temporary scaffold can be installed simultaneously with the installation of the formwork with less man-hours. An object of the present invention is to provide a support material for a temporary scaffolding plate, which can be performed safely while being safe, and has good economic efficiency, and a method for installing a temporary scaffolding using the same.

The present invention employs the following means in order to solve the above problems.
The first invention is
It is a support material for a temporary scaffolding plate used when building opposing walls at a construction site,
The temporary scaffold board is placed, one end is disposed on the pier of the first formwork that constructs one of the opposing walls, and the other end constructs the other of the opposing walls. A rod-like support disposed on the pier of the second formwork;
A first anchor support provided at the one end of the rod-shaped support;
A first concrete anchor detachably provided on the first anchor support;
A first formwork fixing part provided at the one end of the rod-shaped support and nailed or screwed to the first formwork;
A second anchor support portion provided at the other end of the rod-shaped support;
A second concrete anchor removably provided on the second anchor support;
It is a support material for a temporary scaffolding board provided with the second formwork fixing part provided on the other end part of the bar-like support body and nailed or screwed to the second formwork.

  According to the first aspect of the present invention, the support material for the temporary scaffolding plate is supported at the both ends of the rod-like support body by the pier of the formwork when the formwork is installed, and the concrete anchor is supported by the concrete wall body after the formwork is removed. Is done. That is, a temporary scaffold can be installed simultaneously with the formwork installation. Moreover, when installing a temporary scaffold, the troublesome process of attaching the channel steel to the concrete anchor is unnecessary. Therefore, it is possible to install a temporary scaffolding at the same time as the installation of the formwork with a small number of man-hours in the construction of the elevator shaft and other structures, which makes it possible to carry out the construction easily and quickly and safely. In addition, it is possible to provide a support material for a temporary scaffold board that is excellent.

According to a second invention, in the first invention,
The rod-shaped support body is configured to be extendable and contractible.

  According to 2nd invention, the length of a rod-shaped support body can be adjusted according to the space | interval of the opposing wall body. Therefore, it can respond widely to frame construction such as elevator shafts with different sizes.

3rd invention is the method of installing a temporary scaffold using the supporting material of the temporary scaffold board which concerns on 1st or 2nd invention,
Placing the first formwork and penetrating the first formwork to place the first concrete anchor in the concrete placement space;
Fixing the first formwork fixing part to the first formwork with a nail or a screw, and disposing one end of the rod-like support on the pier of the first formwork;
Placing the second formwork and penetrating the second formwork to place the second concrete anchor in the concrete placement space;
Fixing the second formwork fixing part to the second formwork with a nail or a screw, and disposing the other end of the bar-like support on the pier of the second formwork;
Placing a scaffolding board on a plurality of temporary scaffolding board support members spanned between the first moldwork and the second moldwork, and a temporary scaffold installation method comprising: It is.

  According to the third aspect of the present invention, the support material for the temporary scaffolding plate is supported at both ends of the rod-like support body by the pier of the formwork when the formwork is installed, and the concrete anchor is supported by the concrete wall body after the formwork is removed. Is done. That is, a temporary scaffold can be installed simultaneously with the formwork installation. Moreover, when installing a temporary scaffold, the troublesome process of attaching the channel steel to the concrete anchor is unnecessary. Therefore, it is possible to install a temporary scaffolding at the same time as the installation of the formwork with a small number of man-hours in the construction of the elevator shaft and other structures, which makes it possible to carry out the construction easily and quickly and safely. In addition, it is possible to provide a method for setting a temporary scaffold.

According to a fourth invention, in the third invention,
The method further comprises a step of expanding and contracting the rod-shaped support according to the interval between the opposing wall bodies.

  According to 4th invention, the length of a rod-shaped support body is adjusted according to the space | interval of the mutually opposing wall body. Therefore, it can respond widely to frame construction such as elevator shafts with different sizes.

A fifth invention is the third or fourth invention, wherein
The one mold frame has an insertion notch portion through which the first anchor support section can be inserted, and the one mold frame interferes with the support material of the temporary scaffold plate when the one mold frame is removed. A notch for preventing interference is not formed,
The other mold frame has an insertion notch portion through which the second anchor support portion can be inserted, and the other mold frame interferes with the support material of the temporary scaffold plate when the other mold frame is removed. A notch for preventing interference is not formed,
When the first concrete anchor is disposed in the concrete placement space, the first anchor support portion is positioned in the insertion notch,
When the second concrete anchor is disposed in the concrete placing space, the second anchor support portion is positioned in the insertion notch.

  According to 5th invention, when installing the support material of a temporary scaffold board, each anchor support part is not directly fixed to a formwork. In addition, since there is a notch for preventing interference, it is not necessary to cause the formwork to interfere with the support material of the temporary scaffolding plate when removing each formwork. Therefore, if the nail fixing or screw fixing of the mold fixing part is released, the mold can be easily removed while the support material of the temporary scaffold plate is fixed to the wall body.

  According to the present invention, it is possible to install a temporary scaffold simultaneously with the installation of a formwork with a small number of man-hours in the construction of an elevator shaft or the like, so that the construction can be performed easily and quickly and safely. It is possible to provide a support material for a temporary scaffold plate and a method for installing a temporary scaffold using the same, which is also economical.

The perspective view which shows a mode that the support material of the temporary scaffold board which concerns on embodiment of this invention is installed. The perspective view which shows the formwork which the support material of the temporary scaffold board | plate shown by FIG. 1 is fixed in the state isolate | separated into the upper formwork and the lower formwork The perspective view which shows the state which installed the support material of the temporary scaffold board | plate shown by FIG. The perspective view which shows the state which installed the support material of the temporary scaffold board | plate shown by FIG. 1, and removed the upper formwork after concrete placement The side view which shows the state which installed the support material of the temporary scaffold board | plate shown by FIG. The side view which shows the state which installed the support material of the temporary scaffold board | plate shown by FIG. 1, and removed the upper formwork after concrete placement The side view which shows the state which installed the support material of the temporary scaffold board | plate shown by FIG. 1, and removed the upper and lower formwork after concrete placement The flowchart which shows the installation method of the temporary scaffold using the support material of the temporary scaffold board | plate shown by FIG. The perspective view which shows other embodiment of this invention. Side view showing an example of a conventional temporary scaffold installation method in the order of steps Side view showing an example of a conventional temporary scaffold installation method in the order of steps Side view showing an example of a conventional temporary scaffold installation method in the order of steps

(First embodiment)
Hereinafter, the support material of the temporary scaffold board which concerns on embodiment of this invention is demonstrated, referring drawings. FIG. 1 is a perspective view showing a state in which a support material for a temporary scaffold board according to an embodiment of the present invention is installed. FIG. 2 is a perspective view showing a mold to which a support material for the temporary scaffolding plate shown in FIG. 1 is fixed. FIG. 3 is a perspective view showing a state in which the support material for the temporary scaffold board shown in FIG. 1 is installed. FIG. 4 is a perspective view showing a state in which the support material for the temporary scaffold board shown in FIG. 1 is installed and the upper formwork is removed after placing the concrete. FIG. 5 is a side view showing a state in which the support material for the temporary scaffold board shown in FIG. 1 is installed. FIG. 6 is a side view showing a state in which the support material for the temporary scaffold board shown in FIG. 1 is installed and the upper formwork is removed after placing the concrete. FIG. 7 is a side view showing a state in which the support material for the temporary scaffold board shown in FIG. 1 is installed and the upper and lower molds are removed after placing the concrete.

  A support material 1 (hereinafter referred to as support material 1) for a temporary scaffold board according to the present embodiment is used when constructing opposing wall bodies 2 (see FIG. 5) at a construction site.

  As shown in FIG. 1, the support material 1 includes a rod-shaped support body 3, a first anchor support portion 4, a first concrete anchor 5, a first formwork fixing portion 6, and a second shape. An anchor support portion 7, a second concrete anchor 8, and a second formwork fixing portion 9 are provided.

If the 1st concrete anchor 5 used in this embodiment is detachable with respect to the 1st anchor support part 4, the kind will not be limited. For example, as illustrated in FIG. 1, the first concrete anchor 5 can be a female screw anchor. The female screw anchor includes a nut portion 51 having a female screw. Bolts 42 can be screwed onto the nut portion 51. The second concrete anchor 8 can also have the same configuration. Although not shown, the first concrete anchor 5 and the second concrete anchor 8 can be male screw anchors (anchor bolts). In this case, a nut is screwed onto the male screw anchor.
In the following description, the case where the first concrete anchor 5 and the second concrete anchor 8 are female screw anchors will be described as an example.

  A temporary scaffold plate 10 (see FIG. 5) is placed on the rod-like support 3. One end of the rod-shaped support 3 is disposed on the crosspiece 12a of the first mold 12 that constructs one of the opposing walls 2 (see FIGS. 1, 3 and 5). The other end of the rod-shaped support 3 is disposed on the crosspiece 14a of the second form 14 that constructs the other of the opposing walls 2 (see FIG. 5).

  Here, the formwork which supports the support material 1 is demonstrated. As shown in FIGS. 1 and 2, the mold for constructing one of the opposing wall bodies 2 includes a first mold (upper) 11 and a first mold (lower) 12. doing. The first formwork (lower side) 12 is a normal formwork. The first formwork (upper side) 11 is a formwork arranged on the first formwork (lower side) 12. The first anchor support 4 is inserted along at least one of the right vertical bar 11a and the left vertical bar 11a so that the lower end of the mold panel 11b of the first mold (upper) 11 opens. The insertion notch 121 for making it form is formed. Further, the lower pier 11a of the first formwork 11 is notched at a position corresponding to the insertion notch 121 to form an interference preventing notch 122. With this configuration, when the first formwork (upper side) 11a is installed, the first concrete anchor 5 is made concrete with the first anchor support portion 4 disposed in the insertion notch 121. The first formwork fixing portion 6 can be nailed or screwed to at least one of the right vertical bar 12a and the left vertical bar 12a by projecting into the placement space. In addition, the rod-like support 3 can be placed on the crosspiece 12a of the first formwork (lower side) 12 in a state where the first formwork fixing part 6 is nailed or screwed. Furthermore, when removing the formwork, the first formwork (upper side) 11 can be lifted upward and the first formwork (upper side) 11 can be removed with the support material 1 fixed to the wall 2. . In addition, the dashed-two dotted line shown by FIG. 1 has shown the separator which prescribes | regulates the space | interval of a formwork.

  The formwork that constructs the other of the opposing wall bodies 2 has a second formwork (upper side) 13 and a second formwork (lower side) 14. The second formwork (lower side) 14 is a normal formwork. The second formwork (upper side) 13 is a formwork arranged on the second formwork (lower side) 14. The second formwork (upper side) 13 has the same structure as the first formwork (upper side) 11, and the second formwork (lower side) 14 is the same as the first formwork (lower side) 12. Similar structure.

  The rod-shaped support body 3 is a tubular member, and is composed of, for example, a steel pipe having a square cross section. As illustrated in FIG. 1, the rod-shaped support 3 is preferably configured to be extendable and contractible. In the example shown in FIG. 1, the rod-like support 3 has a thick tube portion 31 and a thin tube portion 32. One end side of the narrow tube portion 32 is inserted into one end side of the thick tube portion 31 so as to be freely inserted and removed. The thick tube portion 31 has a plurality of bolt insertion holes (in the example shown in FIG. 1, two locations on one side of the thick tube portion 31 and two locations on the bottom surface). A nut 33 is attached. The hole of the nut 33 communicates with the bolt insertion hole. The thin tube portion 32 is taken in and out of the thick tube portion 31 and the length of the rod-like support 3 is adjusted according to the interval between the wall bodies 2 and 2, and the bolt 34 is screwed into the nut 33 to fix the tip of the bolt 34. The narrow tube portion 32 is fixed to the thick tube portion 31 by pressing against the side surface and the lower surface of the narrow tube portion 32.

  The first anchor support 4 is provided at one end of the rod-shaped support 3. In the example shown in FIG. 1, the first anchor support portion 4 is a rectangular plate member, and a bolt insertion hole 41 is formed. The first concrete anchor 5 is disposed outside the first anchor support portion 4 through the bolt insertion hole 41, the bolt 42 is disposed inside the first anchor support portion 4, and the bolt 42 is moved to the first anchor support portion 4. The first concrete anchor 5 is detachably fixed to the first anchor support portion 4 by being screwed into the nut portion 51 of the concrete anchor 5. Similarly, the second concrete anchor 8 is fixed to the second anchor support portion 7.

  The first formwork fixing part 6 is provided at one end of the rod-like support 3 and is nailed or screwed to the crosspiece 11a of the first formwork 11. A nail hole or a screw hole (nail hole 61 in the example shown in FIG. 1) is formed in the first mold fixing part 6.

  The second anchor support portion 7 is provided at the other end of the rod-shaped support 3. The second anchor support portion 7 has the same structure as the first anchor support portion 4. The second concrete anchor 8 has the same structure as the first concrete anchor 5 and is detachably provided on the second anchor support portion 7.

  The second mold fixing part 9 is provided at the other end of the rod-like support 3. The second formwork fixing part 9 has the same structure as the first formwork fixing part 6, and is nailed or screwed to the second formwork 13.

  Next, the installation method of the temporary scaffold using the support material 1 is demonstrated, referring FIG. FIG. 8 is a flowchart showing a method for installing a temporary scaffold.

  First, as shown in FIGS. 1 and 5, a first mold (upper) 11 is installed on a first mold (lower) 12 for constructing one wall body 2, and the other The second formwork (upper side) 13 is installed on the second formwork (lower side) 14 for constructing the wall body 2 (step S1). Next, the length of the rod-like support 3 is adjusted according to the interval between the one wall 2 and the other wall 2, and when the length becomes an appropriate length, the length is fixed by the bolt 34 (step S2). Next, the first concrete anchor 5 is disposed in the concrete placing space through the first mold 11. The first concrete anchor 5 may be fixed to the first anchor support 4 in advance before this step, or may be fixed to the first anchor support 4 at this step. (Step S3). When the first concrete anchor 5 is arranged in the concrete placement space, the first anchor support portion 4 is positioned in the insertion notch 121 of the first formwork (upper side) 11. Next, as shown in FIGS. 3 and 5, the first formwork fixing part 6 is fixed to the vertical crosspiece 11a of the first formwork (upper side) 11 with a nail 62 or a screw. Side) One end of the bar-shaped support body 3 is arranged on the pier 12a (step S4).

  Next, the second concrete anchor 8 is disposed in the concrete placement space through the second formwork (upper side) 13. The second concrete anchor 8 may be fixed to the second anchor support portion 7 in advance before this step, or may be fixed to the second anchor support portion 7 at this step. (Step S5). In addition, when arrange | positioning the 2nd anchor 8 for concrete in the concrete placement space, the 2nd anchor support part 7 is located in the notch part for penetration. Next, as shown in FIGS. 3 and 5, the second formwork fixing part 9 is fixed to the vertical crosspiece 13a of the second formwork (upper side) 13 with a nail or a screw, and the second formwork (lower side) ) The other end of the bar-shaped support 3 is placed on the 14 crosspieces 14a (step S6). Steps S <b> 2 to S <b> 6 are repeated, and a predetermined number (a plurality) of support materials 1 are spanned between the first mold frames 11 and 12 and the second mold frames 13 and 14. When the installation of the predetermined number of support members 1 is completed, a plurality of scaffolding plates 10 are placed on the predetermined number of support members 1 through step S7 so as to be orthogonal to the support members 1 (step S8). (See FIG. 5). By step S8, the temporary scaffold is completed at the construction stage of the formwork.

Next, concrete is placed in each concrete placement space (step S9). When the concrete is hardened, the wall body 2 is completed (see FIG. 5). Next, nails or screws are removed from the first mold fixing parts 6 and 9 (step S10). Next, as shown in FIGS. 4 and 6, the first mold (upper) 11 and the second mold (upper) 13 are lifted upward and removed (step S11). Since the first formwork (upper side) 11 and the second formwork (upper side) 13 are formed with an insertion notch 121 and an interference prevention notch 122, the support material 1 is placed in the form in step S11. The first mold (upper) 11 and the second mold (upper) 13 can be removed smoothly without interference. Next, as shown in FIG. 7, the first mold form (lower side) 12 and the second mold form (lower side) 14 are removed (step S12). The temporary scaffolding is maintained after the formwork is removed. The above is the installation method of the temporary scaffold.
When all the operations requiring the temporary scaffolding are completed, the first concrete anchor 5 and the second concrete anchor 5 and the second concrete anchor 5 are left in the wall 2 while the first concrete anchor 5 and the second concrete anchor 8 are left in the wall body 2. By removing the bolt from the nut portion of the anchor 8 for use, the portions other than the concrete anchors 5 and 8 of the support material 1 can be easily removed.

  As described above, according to the present embodiment, the support material 1 for the temporary scaffolding plate is supported by the crosspieces 12a and 14a of the molds 12 and 14 at both ends of the rod-like support 3 when the mold is installed. After the frame is removed, the concrete anchors 5 and 8 are supported by the concrete wall bodies 2 and 2. That is, a temporary scaffold can be installed simultaneously with the formwork installation. Moreover, when installing a temporary scaffold, the troublesome process of attaching the channel steel to the concrete anchor is unnecessary. Therefore, it is possible to install a temporary scaffolding at the same time as the installation of the formwork with a small number of man-hours in the construction of the elevator shaft and other structures, which makes it possible to carry out the construction easily and quickly and safely. In addition, it is possible to provide a support material for a temporary scaffold board that is excellent.

  In the above embodiment, the wood piece cut out when forming the insertion notch 121 is not used, but the wood piece 113 is placed outside the first formwork fixing portion 6 as illustrated in FIG. 9. You may attach and use integrally. The same applies to the second formwork fixing part 9.

  In the present invention, in the construction of an elevator shaft or the like, a temporary scaffold can be installed at the same time as the installation of the formwork with a small number of man-hours, whereby the construction can be performed easily and quickly and safely. The present invention can be used for a supporting material for a temporary scaffolding plate having good economic efficiency and a method for installing a temporary scaffolding using the same.

DESCRIPTION OF SYMBOLS 1 Support material of temporary scaffold board 2 Wall body 3 Rod-shaped support body 31 Thick pipe part 32 Narrow pipe part 4 First anchor support part 5 First concrete anchor 6 First formwork fixing part 6
7 Second anchor support portion 8 Second concrete anchor 9 Second formwork fixing portion 10 Temporary scaffolding plate 11 First formwork (upper side)
11a, 12a, 13a, 14a Pier 11b Formwork panel 12 First formwork (lower side)
121 notch for insertion 122 notch for interference prevention 13 second mold (upper side)
14 Second formwork (lower side)

Claims (5)

It is a support material for a temporary scaffolding plate used when building opposing walls at a construction site,
The temporary scaffolding plate is placed, one end is disposed on the pier of the first formwork that constructs one of the opposing walls, and the other end constructs the other of the opposing walls. A rod-like support disposed on the pier of the second formwork;
A first anchor support portion provided at the one end of the rod-shaped support;
A first concrete anchor that is detachably provided on the first anchor support;
A first formwork fixing part provided at the one end of the rod-like support and nailed or screwed to the first formwork;
A second anchor support portion provided at the other end of the rod-shaped support;
A second concrete anchor detachably provided on the second anchor support;
A temporary scaffolding plate support member, comprising: a second formwork fixing part provided at the other end of the bar-like support body and nailed or screwed to the second formwork.   The support material for a temporary scaffold board according to claim 1, wherein the rod-shaped support body is configured to be extendable and contractible. A method for installing a temporary scaffold using the support material for the temporary scaffold plate according to claim 1 or 2,
Placing the first formwork and penetrating the first formwork to place the first concrete anchor in the concrete placement space;
Fixing the first formwork fixing part to the first formwork with a nail or a screw, and disposing one end part of the bar-like support on the pier of the first formwork;
Placing the second formwork and penetrating the second formwork to place the second concrete anchor in the concrete placement space; and
Fixing the second formwork fixing part to the second formwork with a nail or a screw, and disposing the other end of the bar-like support on the pier of the second formwork;
Placing a scaffold board on a plurality of support materials for the temporary scaffold board spanned between the first formwork and the second formwork, and a temporary scaffold installation method comprising: .   A method for installing a temporary scaffold, further comprising the step of expanding and contracting the rod-shaped support in accordance with an interval between the opposing wall bodies. The one mold frame has an insertion notch portion through which the first anchor support portion can be inserted, and the one mold frame interferes with the support material of the temporary scaffolding plate when the one mold frame is removed. A notch for preventing interference is not formed,
The other mold frame interferes with the support material of the temporary scaffold plate when the other mold frame is removed, and the other mold frame is removed when the other mold frame is removed. A notch for preventing interference is not formed,
When placing the first concrete anchor in the concrete placement space, the first anchor support portion is positioned in the insertion notch,
5. The temporary installation according to claim 3, wherein when the second concrete anchor is disposed in the concrete placing space, the second anchor support portion is positioned in the insertion notch portion. 6. How to install the scaffold.

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