JP2922789B2 - Formwork, its manufacturing method and slope stabilization method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slope stabilization method for installing a reinforced concrete beam on a slope to stabilize the slope, and more particularly to a formwork used for making a reinforced concrete beam and a method of manufacturing the same. And a slope stabilization method capable of improving work efficiency by using the formwork.

[0002]

2. Description of the Related Art There have been various slope stabilization methods for preventing landslides on slopes facing roads, railroad tracks, residential areas, and the like. Hereinafter, a conventional typical slope stabilization method will be described.

A first conventional example is a slope stabilization method in which a reinforcing bar and a formwork are firstly assembled on a slope by manpower, and then concrete is cast and a necessary portion is fixed with an anchor.

[0004] A second conventional example is a slope stabilization method in which a reinforcing bar and a wire mesh form are assembled on a slope by manpower, and then concrete is sprayed, and a necessary portion is fixed with an anchor for construction.

[0005] As a third conventional example, a concrete block body is prepared in advance in a factory or the like, transported to a construction site, the concrete block body is placed on a slope, and further necessary portions are anchored. This is a slope stabilization method that is established in

[0006]

However, the conventional slope stabilization method has the following problems. In the first conventional example, since it is necessary to manually assemble the reinforcing bar and the formwork on the slope, there is a problem that the working process is complicated, time-consuming, and costly. In particular, in the first conventional example, since the mold is manufactured in accordance with the unevenness of the ground on the slope, the working process of the mold processing is very complicated.

In the second conventional example, it is necessary to assemble the reinforcing bar and the wire mesh form manually on the slope, so that the work process is time-consuming, and the concrete spraying method is expensive. Was.

In the third conventional example, since a concrete block manufactured in a factory is carried into a construction site and installed on a slope, a large carry-in vehicle and an installation machine are required to carry in and install the concrete block. However, there is a problem that the installation work on the slope is dangerous because the concrete block body is heavy.

Further, in the third conventional example, since the concrete block body is a pre-made one at the factory, it is impossible to fit the unevenness of the slope ground. However, there is a problem that the stability of the concrete block body is poor in uneven ground.

Therefore, in order to solve the above-mentioned conventional problems, a concrete casting space is formed by a top plate, a side plate and a bottom sheet, a reinforcing bar is incorporated in the casting space, and a through hole for an anchor is provided. The formwork is installed on the slope by penetrating the head of the anchor fixed to the ground through the through hole, further placing concrete in the formwork, removing the formwork after hardening of the concrete, making a reinforced concrete beam, After that, a method of stabilizing the reinforced concrete beam on the slope by tightening the anchor has been considered.

[0011] According to the above-mentioned construction method, a formwork is prepared in advance in a factory or the like, and is installed at a construction site and concrete is poured. Therefore, the work process at the site can be shortened. Since the frame itself is lightweight, there is an effect that the installation operation can be performed safely without using a large machine or the like in the transportation and installation operation.

However, even with the above-mentioned excellent construction method, the stability of the formwork with respect to the sloped ground can be obtained only by installing the formwork on the slope by penetrating the head of the anchor fixed to the ground through the through hole of the formwork. However, there is a problem that it is not sufficient to hold the concrete, and there is a possibility that the subsequent work of placing concrete in the formwork may be hindered.

The present invention has been made in view of the above-mentioned circumstances, and a mold capable of stabilizing a formwork installed on a slope by penetrating a head of an anchor fixed on the ground through a through hole of the formwork. An object of the present invention is to provide a frame, a manufacturing method thereof, and a slope stabilization method.

[0014]

Of the object solutions for above conventional claim 1 for solving the problem of the invention includes a flexible bottom sheet, the side plate, and the reinforcing bar, the through-holes for anchoring through
A through hole member that, in a mold comprising a top plate, the transmural
Corresponding to the through hole of the hole member opening provided in the bottom sheet and the top plate, the through hole in its central portion a large <br/> have come shape than the diameter of the through-hole of the through-hole member Diameter of through hole of member
Of the through-hole member a plate having a smaller opening
A bottom plate and a top plate are provided on the bottom and the head, and the top plate is covered and held down by the top plate.
The top plate and the side plate are connected internally.
It is characterized in that the cleat is cast and hardened and then released from the mold .

According to a second aspect of the present invention, there is provided a method of manufacturing a mold according to the first aspect, wherein a bottom sheet is laid, and a side plate can be removed later.
Cormorant the bottom sheet on the side surface or bottom surface of the side plate, the side
Mounting so as to be capable exception taken from the bottom sheet after the plate, place the bottom plate in a mold bottom center portion,
Place a through-hole member on the bottom plate, assemble the rebar inside the formwork, place a top plate on the through-hole member, and remove the top plate later to cover and press down the top plate It is characterized in that a mold is formed by being fixed so as to be possible.

According to a third aspect of the present invention, there is provided a slope stabilization method for solving the problems of the conventional example.
The through-hole of the through-hole member of the formwork described above is passed through an anchor fixed to the slope, and the formwork is installed on the slope, and
A large shape Ri by the diameter of the opening of the surface plate and the second plate having a central opening portion is inserted from the head of the anchor to the slope arranged on the upper surface plate on the anchor Temporarily tension and temporarily fix using a fixing tool, perform concrete casting, perform demolding to remove the top plate and side plates of the formwork after curing of the concrete,
The anchor is tensioned with respect to the formed reinforced concrete beam, and is fixed using the fixing tool.

[0017]

According to the first aspect of the present invention, the bottom plate and the top plate have a shape larger than the diameter of the through hole of the through hole member, and have an opening in the center portion smaller than the diameter of the through hole of the through hole member. The top plate and the top plate are fixed on the bottom and head, and the top plate is covered with the top plate and fixed so that the top plate and side plates can be removed after the concrete is cast and hardened inside. Since it is a frame, if the anchor is penetrated through the through hole of the through hole member and the formwork is installed on the slope, if the anchor is temporarily tensioned and temporary fixing is performed using the fixing tool, it is used for the upper surface. plate can be easily stabilized slopes are held down the slope natural ground direction formwork, to perform a demolding of the concrete beam to expose because it allows demolded more top plate and side plates and the concrete after casting I can do it. <br/>

According to the second aspect of the present invention, the bottom sheet is laid, and the side sheet is removed from the side sheet or the bottom sheet so that the side plate can be removed later.
The bottom plate is placed in the center of the bottom of the formwork, the through-hole member is placed on the bottom plate, the rebar inside the formwork is assembled, and the top plate is placed on the through-hole member. And forming the form by fixing the top plate so that it can be removed later so as to cover and press down the top plate, so that the top plate is attached to the top plate. The top plate can be strengthened by fixing it to the ceiling, and when the formwork is installed on a slope and the anchor is temporarily tensioned, the first plate and the fixed top plate are pressed down toward the slope. The formwork can be easily stabilized on the slope, the buoyancy of concrete during concrete placement can be suppressed by the top plate to prevent concrete leakage, and the top plate and side plates can be removed after concrete placement. It is possible to perform the de-type to a concrete beam to reveal Because there.

According to the third aspect of the invention, the formwork of the first aspect is installed on the slope by penetrating the through hole of the through hole member through the anchor for slope fixing, and the diameter of the opening of the upper surface plate is determined. A second plate having a large shape and an opening at the center is inserted from the anchor head and placed on the upper surface plate, and the anchor is temporarily tensioned to temporarily fix the form, and concrete is poured. Since the slope stabilization method is used to finally release the reinforced concrete beam formed by performing demolding and further tensioning the anchor, temporarily fixing the form by temporary tensioning of the anchor makes it possible to fix the formwork. to facilitate the installation, also, it is possible to stabilize the formwork of the concrete after casting, perform demolding to reveal concrete beam because more and a top plate and side plates are demolded in concrete after casting it That.

[0020]

An embodiment of the present invention will be described with reference to the drawings. The slope stabilization method according to one embodiment of the present invention includes a through hole portion formed on a formwork with respect to an anchor fixed on the ground.
The through hole formed by the material penetrates from the bottom to the head of the anchor, the formwork is placed on the slope, the anchor is temporarily tensioned, the formwork is temporarily fixed on the slope, and then the concrete is placed in the formwork. After the concrete is hardened, the formwork is released from the mold to produce a reinforced concrete beam, and the anchor is fully tensioned to fix the reinforced concrete beam on the slope to stabilize it.

Here, the temporary tension of the anchor refers to a tension sufficient to fix the formwork to the slope so as not to hinder the concrete placing work, etc. The main tension of the anchor refers to the reinforced concrete beam on the slope. It refers to the original tension to sufficiently fix and stabilize.

Further, the mold according to one embodiment of the present invention is a mold having a structure capable of easily performing the above-described temporary tensioning. This is a method that can efficiently manufacture the mold.

First, the configuration of the formwork of this embodiment is shown in FIG.
I will explain using. FIG. 1 is a schematic configuration diagram of a mold according to one embodiment of the present invention. As shown in FIG. 1, the formwork of the present embodiment forms a cross (star) shape, a side plate 12 is provided on a side surface, a bottom sheet 14 is provided on a bottom surface, and a space inside thereof is provided. rebar (not shown) is incorporated, the through-hole member 13 is provided to further penetrate the anchor in the center of the cross-shaped, for the upper surface at the top of the through-hole member 13
The plate 21 and the bottom plate 21 ′ are provided at the bottom, and the top plate 11 is provided so as to cover the top plate 21. In FIG. 1, the mold is formed in a cross shape. However, the mold may be appropriately deformed according to the shape of a slope or the like.

Next, each part will be described specifically. For the top plate 11 and the side plates 12, it is preferable to use a rigid plate material such as an iron plate, a plywood, or a plastic plate, and to use a plywood or a plastic plate in order to facilitate transportation of the formwork. In addition, an inlet 15 into which concrete is poured for concrete placement is provided in a part of the side plate 12.

The through-hole member 13 is a member having a through-hole vertically penetrated through the center of the mold for allowing the anchor to penetrate the mold. Therefore, the top plate 11 and the bottom sheet 14 are provided with openings for anchor penetration.
The diameter of the hole of the through-hole member 13 is larger than the diameter of the anchor.

The bottom sheet 14 is a flexible sheet attached to the lower end of the side plate 12 with a margin in advance so as to cover the entire bottom surface of the mold. This bottom seat 1
4, the concrete can be fitted to the uneven shape of the ground, and a reinforced concrete beam suitable for the ground can be formed.

The reinforcing bar (not shown) serves as a framework for forming a reinforced concrete beam, and is formed by being attached to the side plate 12 or the like inside the formwork.

Next, the upper surface press which is a characteristic part of this embodiment is described.
The rate 21 and the bottom plate 21 'will be described with reference to FIGS. FIG. 2 is a vertical cross-sectional view taken along the line AA 'of FIG. 1, and is a cross-sectional view of the mold of the present embodiment from which the top plate 11 is removed for ease of description. As shown in FIG. 2, the upper surface plate 21 has a through hole.
The plate is attached to the head of the member 13 with a rigid iron plate or the like, and has an opening corresponding to the opening of the through-hole member 13. The bottom plate 21 'is also attached to the bottom of the through-hole member 13 with an iron plate or the like, and is a plate provided with an opening similarly.

However, the upper surface plate 21 and the lower surface play
The opening of the plate 21 ′ is formed to be slightly smaller than the opening of the through-hole member 13. In FIG. 2, the top plate 21 is placed on the head of the through-hole member 13. It is provided as follows. Similarly, the bottom plate 21 'through holes
It is provided so as to be laid on the bottom of the material 13.

Then, the upper plate 21 and the lower plate
The plurality of projections 22 are provided on the surface of the port 21 ′ in the direction in which the through-hole member 13 exists. Specifically, the projections 22 are formed on the top surface so as to surround the outer diameter of the through-hole member 13.
Over DOO 21 is provided on the bottom plate 21 ', the upper surface plate 21 in the through-hole member 13, the bottom plate 2
1 ′, the top plate 21 and the bottom plate
This is to improve the stability of the rate 21 '.

In this embodiment, the upper surface of the through-hole member 13 is provided.
Use plate 21, it is assumed in the structure for installing the bottom plate 21 ', the upper surface plate 2 in the through-hole member 13
1, the upper to may be of a structure for fixing by fitting the bottom plate 21 ', also, the through-hole member 13
The plate 21 for the surface and the plate 21 ' for the bottom surface may have a structure formed integrally in advance.

The top plate 21 is provided with the top plate 11.
Are provided around the opening. The screw holes 23 are provided in association with screw holes 31 of a metal frame 30 of the top plate 11 described later.

Next, the mold formed in this embodiment will be described with reference to FIG. FIG. 3 is an explanatory cross-sectional view taken along the line AA ′ of FIG. 1, and is an explanatory cross-sectional view of the mold formed according to the present embodiment. The mold of the present embodiment has the structure shown in FIG.
As shown in FIG. 3, a holding plate 40 is provided so as to cover the upper surface plate 21 and the side plate 12.
0 is the top plate 11 as held down over provided, and has a metal frame 30 and the upper surface for playing <br/> preparative 21 attached to the top plate 11 is configured for fixing with screws 41.

The pressing plate 40 is provided so as to be in contact with the upper surface of the side plate 12 and also in contact with the upper plate 21, and an opening is formed at the center corresponding to the through-hole member 13. Have been. However, the opening of the holding plate 40 is formed slightly larger than the opening of the upper surface plate. The opening of the holding plate 40 is provided so that the second plate can be used as the upper plate 2 when the anchor is temporarily tensioned as described later.
The opening is such that it can be directly installed on the upper surface 1. In addition, the holding plate 40, the side plate 12, the bottom sheet 14,
Outer surface of through-hole member 13, top plate 21, bottom surface
The concrete placement spaces X and Y are formed by the surface of the use plate 21 ′ in the direction of the through-hole member 13. Then, a reinforcing bar (not shown) is incorporated in this space.

A metal frame 30 is attached to the top plate 11, and a screw hole 11 ′ is provided in the top plate 11 corresponding to the screw hole 31 formed in the metal frame 30. And
The top plate 11 is provided so as to cover the upper surface of the holding plate 40, and is further adjusted so that the screw holes 23 of the upper surface plate 21, the screw holes 11 ′ of the top plate 11, and the screw holes 31 of the metal frame 30 are associated with each other. Then, the top plate 11 is arranged.

The screw 41 is provided in the screw hole 3 of the metal frame 30.
1 and the top plate 11 are screwed into the screw holes 11 ′, and further screwed into the screw holes 23 of the upper surface plate 21, and the holding plate 4 is screwed.
0 is fixed so as to be sandwiched between the top plate 11 and the upper surface plate 21. Although not shown, a metal frame having a screw hole is also provided around the top plate 11, and a metal frame having a screw hole is also provided above the side plate 12. Both metal frames are screwed. By fixing the top plate 11 with the screws, concrete placing spaces X and Y are formed, and even when concrete is poured from the inlet 15 of the formwork in the concrete placing operation after the anchor is temporarily tensioned, the concrete is buoyant. The concrete can be prevented from leaking from around the top plate 11.

The formwork described above is manufactured in a factory or the like,
It is transported to the site and installed on a slope. Therefore, since the formwork before concrete casting is lightweight, there is no need to use large-sized transportation / installation equipment and equipment, transportation and installation work is easy, and installation work on slopes is safe. There is an effect that can be performed.

Next, a method of manufacturing a mold according to the present embodiment will be briefly described with reference to FIGS. Bottom seat 1
4, a side plate 12 is formed thereon, and a bottom sheet 14 is attached to a side surface or a bottom surface of the side plate 12. Next, 'disposed on the bottom center of the mold, the bottom surface for up <br/> rate 21' bottom plate 21 by placing the through-hole member 13 on the assembled rebar into the mold frame. Next, the upper surface is placed on the through-hole member 13.
The mounting plate 21, the holding plate 40, and the top plate 11 are arranged in this order, and the top plate 11 is fixed with screws 41.

In the above embodiment, the holding plate 40 is provided between the top plate 11 and the concrete placing spaces X and Y. However, the holding plate 40 may be attached to the top plate 11 as an integral structure. Alternatively, the holding plate 40 may be omitted, and the top plate 11 may directly contact the concrete placing spaces X and Y. However, it is desirable to provide the holding plate 40 in order to reduce concrete leakage during the concrete placing operation.

Next, the slope stabilization method of this embodiment will be described with reference to FIG. FIG. 4 is an explanatory cross-sectional view when the formwork of the present embodiment is installed on a slope. The slope stabilization method of this embodiment can be roughly divided into a method of setting a formwork manufactured in a factory or the like on a slope (installation method) and a method of placing concrete in the set formwork (casting method). Construction method), a method of removing the mold after the concrete is hardened (demolding method), and a method of finally fixing the reinforced concrete beam to the slope (fixing method).

First, the installation method will be described.
And anchor 2 in which the formwork shown in FIG.
The head was placed a mold top of so as to penetrate into the bottom opening of the through the opening hole member 13 of the through-hole member 13 to slope ground mountains, further, larger opening than the diameter of the anchor 2 has, albeit a smaller size than the opening of the top plate 11 and the pressing plate 40, the second plate 42 of larger size than the opening of the top plate 21, the plate for the upper surface through the head anchor 2 21. That is,
The second plate 42 is placed on the upper plate 21 so that the head of the anchor 2 passes through the opening of the second plate 42.
It is pushed until it touches. Then, a fixing device 43 for tensioning the anchor is attached to the anchor 2, the head of the anchor 2 is further grasped by a jack or the like, and the anchor 2 is temporarily tensioned and temporarily fixed by the fixing device 43.
The second plate 42 is composed of the top plate 21 and the bottom plate 21.
It is formed of a rigid iron plate or the like similarly to the use plate 21 '.

Here, the temporary tension of the anchor 2 and the fixing device 43
Is to prevent the form from slipping off the slope even when concrete is poured into the form. Therefore, the full-scale tension of the anchor 2 as in the fixing method described later. And does not require fixing.

The casting method employs an inlet 15 provided in a formwork.
Concrete is poured from the site and concrete is poured. In the demolding method, after the concrete is hardened, the screws 41 and the like are loosened and removed, and the top plate 11, the holding plate 40, and the side plates 12 of the form are removed to expose the reinforced concrete beams. In the fixing method, the head of the anchor 2 is again gripped with a jack or the like, pulled, and then the anchor 2 is fully tensioned (mainly tensioned) and permanently fixed by the fixing tool 43. Here, the tension and anchoring of the anchor mean the tension and anchoring for anchoring the reinforced concrete beam on the slope, which has been conventionally performed.
The reinforced concrete beam is fixed on the slope ground by the above-mentioned method.

According to the formwork of this embodiment, the upper surface plate 21 having an opening at the center is provided on the upper surface of the through-hole member 13, and the top plate 11 is fixed by the screws 41 to the upper surface plate 21.
, The through-hole member 13 and
The anchor 2 is passed through the openings of the upper plate 21 and the bottom plate 21 ′, the second plate 42 is inserted from the head of the anchor 2, and the anchor 2 is temporarily tensioned using the fixing tool 43. Then, since the upper plate 21 and the top plate 11 fixed thereto work to press the formwork in the ground direction by the force of pressing the second plate 42 in the ground direction, the formwork before the concrete casting is formed. Installation can be performed easily, and furthermore, there is an effect that the formwork can be stabilized with respect to the slope at the time of placing concrete.

Further, according to the method of manufacturing the formwork of this embodiment, the upper plate 21 is provided on the upper surface of the through-hole member 13, and the top plate 11 is connected to the upper plate 2 with the holding plate 40 interposed therebetween.
The top plate 11 is fixed to the side plate 12 with the screws 41, so that the top plate 11 can be easily attached. Further, the fixing of the top plate 11 is strengthened. , Hard to come off when casting concrete)
In addition, since the top plate 11 is not in direct contact with the concrete during the demolding operation after the hardening of the concrete, the top plate 11 can be easily removed.

According to the slope stabilization method of this embodiment, the opening of the bottom of the through-hole member 13 of the form is penetrated through the head of the anchor 2 to set the form on the slope, and the second plate 42 is provided. Of the anchor 2 is made to penetrate the head of the anchor 2 to bring the second plate 42 into contact with the upper surface plate 21, and the anchor 2 is temporarily tensioned and temporarily fixed by the fixing tool 43. Can be fixed to the slope by using the second plate 42 and the fixing tool 43. If the strength of the temporary tension is a certain level, the concrete placing operation can be performed without using other fixing devices. Fixing can be performed by using the plate 42 and the fixing tool 43, so that there is an effect that the mold can be easily and safely fixed to the slope.

[0047]

According to the first aspect of the present invention, the bottom plate has a shape larger than the diameter of the through hole of the through hole member, and has an opening in the center portion smaller than the diameter of the through hole of the through hole member. The top plate and the top plate are provided on the bottom and head, and the top plate is covered with the top plate and fixed so that it is pressed down. After the concrete is cast and hardened inside, the top plate and side plate can be removed from the mold. Since the anchor is penetrated through the through hole of the through hole member and the anchor is set on the slope, if the anchor is temporarily tensioned and the temporary fixing is performed using a fixing tool, and the upper surface plate is held down the slope natural ground direction can easily stabilized on the slope of the formwork, further demolding of the concrete beam to expose because the top plate and the side plate thereby enabling demolded in concrete after casting it-out is in <br/> performed, mold set of There is an effect that it is possible to safely perform the work in a simple manner.

According to the second aspect of the present invention, the bottom sheet is laid, and the side sheet is removed from the bottom sheet on the side or bottom surface of the side plate so that the side plate can be removed later.
The bottom plate is placed in the center of the bottom of the formwork, the through-hole member is placed on the bottom plate, the rebar inside the formwork is assembled, and the top plate is placed on the through-hole member. And forming the form by fixing the top plate so that it can be removed later so as to cover and press down the top plate, so that the top plate is attached to the top plate. The top plate can be strengthened by fixing it to the ceiling, and when the formwork is installed on a slope and the anchor is temporarily tensioned, the first plate and the fixed top plate are pressed down toward the slope. The formwork can be easily stabilized on the slope, the buoyancy of concrete during concrete placement can be suppressed by the top plate to prevent concrete leakage, and the top plate and side plates can be removed after concrete placement. There is an effect that it is possible to perform a demolding of the concrete beam to expose Because there.

According to the third aspect of the present invention, the formwork of the first aspect is installed on the slope by penetrating the through hole of the through hole member through the anchor for slope fixing, and the diameter of the opening of the upper surface plate is determined. A second plate having a large shape and an opening at the center is inserted from the anchor head and placed on the upper surface plate, and the anchor is temporarily tensioned to temporarily fix the form, and concrete is poured. Since the slope stabilization method is used to release the reinforced concrete beam formed by demolding and further tensioning the anchor, the formwork is temporarily fixed by temporary tensioning of the anchor. to facilitate the installation, also, it is possible to stabilize the formwork of the concrete after casting, perform demolding to reveal concrete beam because more and a top plate and side plates are demolded in concrete after casting it , There is an effect that it is possible to improve the safety of the work.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of a mold according to an embodiment of the present invention.

FIG. 2 is an explanatory cross-sectional view taken along the line AA ′ of FIG. 1 in a vertical direction, and is a cross-sectional explanatory view of the mold of the present embodiment from which a top plate 11 is removed for ease of explanation.

FIG. 3 is an explanatory cross-sectional view taken along the line AA ′ of FIG. 1 and is an explanatory cross-sectional view of a mold formed according to the present embodiment.

FIG. 4 is an explanatory cross-sectional view when the formwork of the present embodiment is installed on a slope.

[Explanation of symbols]

2 ... anchor, 11 ... top plate, 12 ... side plate, 13 ...
Through-hole member , 14: bottom sheet, 15: inflow port,
21: Plate for top surface 21 ': Plate for bottom surface
Reference numeral 22: protrusion, 23: screw hole, 30: metal frame, 31:
Screw hole, 40: holding plate, 41: screw, 42: second plate, 43: fixing device

Claims (3)

(57) [Claims] 1. A formwork comprising a flexible bottom sheet, a side plate, a reinforcing bar, a through-hole member having a through-hole for anchor penetration, and a top plate, corresponding to the through-hole of the through-hole member. To provide an opening in the bottom sheet and the top plate,
Bottom and the head of the through-hole member the through hole member a plate having a diameter smaller than the opening of the through hole of the through-hole member in the middle <br/> central portion A have large shape than the diameter of the through-hole of For bottom
It provided as a plate and the upper surface plate, pre for the top surface
The top plate is fixed so that the top plate covers and holds it down.
The top plate and side plate are put concrete inside.
A mold form characterized in that it can be released after being cured . 2. Lay bottom sheet and remove side plate later
The bottom sheet on the side surface or bottom surface of the side plate so as to be, mounted so as to be capable exception taken from the bottom sheet the side plate is later placed a bottom plate in a mold bottom center portion, through said bottom plate Place the hole member,
The rebar inside the formwork is assembled, an upper surface plate is arranged on the through-hole member, and the top plate is fixed so as to be removable later so as to cover and hold the upper surface plate to form the formwork. The method for manufacturing a mold according to claim 1, wherein: 3. The mold according to claim 1, wherein the through hole of the through hole member of the mold is penetrated by an anchor fixed to the slope, and the mold is installed on the slope, and the diameter of the opening of the upper surface plate is determined.
Inserting a second plate having a large shape and an opening in the center from the head of the anchor into the slope,
Placed on the upper surface plate, temporarily anchored the anchor using a fixing tool temporarily, fix concrete, perform concrete casting, and remove the top plate and side plate of the formwork after curing of the concrete, A slope stabilization method, wherein the anchor is tensioned on the formed reinforced concrete beam and the anchor is fixed using the fixing device.