JPH09273157A - Base substrate for structure on slope and its construction method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make construction work easier by attaching a reinforcing edge having a shape bent downward almost at a right angle to an edge portion of a base plate consisting of a rigid thin sheet material thereby creating an adjusting space underneath the base plate. SOLUTION: A reinforcing edge 12 having a shape bent downward almost at a right angle is attached to an edge portion 11 of a base plate consisting of a rigid thin sheet material, thereby forming an adjusting space as a base substrate 1 underneath the base plate. Many triangular notches are made in a wavy shape at the lower edge of the reinforcing edge 12. And when installing the base substrate 1 on a cut slope having significant irregularity, an anchor 2 is driven into the cur slope through an anchor hole and fixed by using a washer 21 and then tightening a nut 22. This, an adjusting space is provided and this provides stability better than that obtained by installing a flat plate on an irregular surface, and the execution of work can be easier and completed in a shorter provided of time.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a base used for providing a flat foundation to a slope structure such as a slope frame constructed on a slope and a method of constructing the base.

[0002]

2. Description of the Related Art In constructing dams, roads, railways, power transmission facilities, etc., there are many cases in which structures such as law frames are constructed on uneven slopes for the purpose of preventing slope collapse and maintaining landscape. Conventionally, ignoring irregularities, a sloped flat frame is installed on the slope, or the frame itself is hollow and a space is provided inside, and a flexible sheet-like object is formed on the bottom of the frame. Installation,
We have adopted a method such as injecting a solidifying material such as concrete into the method frame so that the bottom surface conforms to the unevenness of the slope.

[0003]

According to the above-mentioned first conventional method, since the method frame and the ground are not in close contact with each other, the ground below the frame is eroded by raindrops or the like, and the slope is Becomes unstable. According to the second method, it is necessary to form the method frame itself into a cavity, how to accurately arrange the reinforcement in it, and how to install a flexible sheet that prevents leakage of concrete, Was a difficult problem.

In addition, such a cast-in-place concrete frame inevitably takes a long construction period because the amount of cast concrete is large. When the slope is unstable, it is necessary to solve another problem such as how to measure the slope stability by temporary tension of the anchor during the working period.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to make sure that construction can be carried out securely, safely, and that the construction period can be shortened. It is to provide a base of a structure and a construction method thereof.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a substrate made of a rigid thin plate material such as steel plate / mesh reinforced concrete is provided with a reinforcing edge bent downward at a substantially right angle to at least both edges of the substrate. A base with an adjustment space on the bottom is used.

A bag-shaped mold made of a flexible sheet-like material is loaded in this adjusting space, or a flexible sheet-like material is stretched with a margin between the reinforcing edges of the substrate. Then, the composite form is formed by the inner surface of the sheet and the substrate. After installing the base formed in this way on the slope, pour solidifying material such as concrete into the bag-shaped form or composite form to fill the adjustment space between the uneven slope and the base and stabilize. To do. In this way, the slope structure is installed on the stable base.

[0008]

Embodiment 1 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of the base 1 of the present invention, which is formed of a galvanized steel sheet having a thickness of 5 mm. A reinforcing edge 11 having a width of 10 cm is provided along the entire length of both edges of the substrate 10 having a width of 50 cm and a length of 3 meters, and an adjusting space 12 is formed on the lower surface of the substrate. On the lower edge of the reinforcing edge, a large number of triangular notches 13 having a depth of 2 cm are provided in a wavy shape.
The notch may be omitted and the bottom of the reinforcing edge may be formed flat or may be bent inward or outward. An anchor hole 20 having a diameter of 10 cm is provided in the center of the substrate.

FIG. 2 shows a state in which such a base 1 is installed on a cut slope 3 having many irregularities. When installing the base,
Normally, the anchor 2 is attached to the cut slope 3 through the anchor hole 20.
Then, the washer 21 having high rigidity is passed through, and the nut 22 is tightened from above to fix the washer 21. Since the adjustment space 12 is provided, it is more stable than placing the flat plate on the uneven surface.

When the slope is not stable, tension of several to several tens of tons may be applied to the anchor. In such a case, it is common to make the structure such as a legal frame installed on the base stand bear the strength.
It is desirable to be able to handle the force when a temporary tension of about 2 tons is applied. For this reason, a reinforcing edge is attached, the section modulus of the base in the short-side direction is large, and the force against the bending moment in the longitudinal direction is designed to be large.

Due to the adjustment space formed on the lower surface of the substrate and the notches provided on both edges, there are fewer contact points with the unevenness as compared with the flat plate, and it is possible to correspond to the unevenness of the slope as compared with a simple flat plate. It will be easier.

As shown in FIG. 3, rod-shaped projections 14 having a length of 5 cm may be provided at the ends of the reinforcing edges 11, respectively. The number of contact points with the unevenness of the slope is further reduced, and the base can be stabilized by inserting the rod-shaped projections into the slope.

[0013]

[Embodiment 2] In FIG. 4, an elongated bag-like mold 4 made of a durable and well-fabricated cloth is attached along the longitudinal direction of the adjustment space on the lower surface of the base 1. An inlet for concrete and mortar is provided at the top of the bag. Normal,
Make a cylindrical hole in the bag at the place where the anchor will be driven, and close the hole to prevent the mortar from flowing out. Base 1
Is set on the cut slope 3, the anchor is driven into the ground through the anchor hole 20 provided in the center of the substrate 10, the tension is temporarily tightened, the washer 21 is passed through, and the nut 22 is tightened, and then the bag-shaped form is formed. The mortar 5 is injected to fill the adjustment space 12 between the substrate 10 and the cut slope 3.

[0014]

Third Embodiment A base 1 is shown in FIG. A reinforcing edge 11 having a width of 10 cm and made of the same steel plate as that of the above-mentioned embodiment and extending over the entire length of the edge of the substrate 10 having a length and width of 1 meter.
Is attached. The reinforcing edge 11 has an L-shaped cross section, and the lower end is bent outward to form a reinforcing band 15 having a width of 5 cm.

The central bottom surface of the substrate 10 has a planar shape of 15
An anchor reinforcing portion 23, which is a square with a square shape of a centimeter and has a U-shaped cross section, is attached. The reinforcing ribs 24 on both sides work for reinforcement. In the center of the substrate 10,
The anchor reinforcing portion 23 is also provided with the anchor hole 20 having a diameter of 10 cm, which penetrates the anchor reinforcing portion 23 at the same time. When the anchor is struck through the anchor hole and temporary tension is applied to the base, the anchor reinforcing portion works to suppress the bending of the substrate.

As shown in the figure, in order to inject concrete or mortar, a sturdy and flexible sheet 41 is loosely attached between the lower surfaces of the surrounding reinforcing strips 15 instead of the bag form, The composite form 42 is formed.

At the four corners of the base 1, nuts 22 penetrating vertically are welded to the lower surface of the reinforcing band 15. The nut has
An adjusting bolt 25 having a base plate 16 having a diameter of 5 cm attached to the lower end is screwed. The level of the base is adjusted by moving the adjusting bolt up and down, and after adjusting the height, the locking nut 22 is tightened to fix the adjusting bolt. It is also possible to attach a short anchor pin 26 to the lower surface of the base plate and drive it on the slope to make it slip.

[0018]

[Embodiment 4] When reinforcing an unstable cut slope with an anchor, a cross-shaped concrete method frame is often used as a restraint plate. It is quite difficult to fix a large concrete product that weighs tens of tons on a slope with many irregularities. This embodiment is an example of a cross-shaped base used in such a case.

For this reason, as shown in FIG. 6, the base 1 of this embodiment has substantially the same plane shape as a concrete method frame installed above, that is, the arm portion 17 of the cross-shaped frame has a tapered tip. Since it is formed in the same shape, it has the same shape.

As in the third embodiment, a reinforcing edge having an L-shaped cross section, a height of 10 cm, and a reinforcing band 15 having a width of 5 cm are formed on both side edges of the arm portion 17. Reinforcing band 15
The level adjusting bolts 25 are attached in places here and there.

On the lower surface of the center of the substrate 10, a reinforcing rib of a rectangular shape having a width of 20 cm and a length of 1 meter is formed in the vertical direction of the slope and has a substantially U-shaped cross section with a downward opening. The anchor reinforcement 23 with 24 is attached.

At the center of the substrate 10, the anchor reinforcing portion 23 is provided.
At the same time, an anchor hole 20 having a diameter of 10 cm is provided. The tip of the cross 17 has a diameter of 5
A centimeter anchor hole 20 is provided.

In order to inject mortar, a flexible sheet 41 is loosely attached between the lower surfaces of the surrounding reinforcing strips 15 to form a composite form 42.

In the case of construction, an anchor is driven into the central anchor hole to temporarily tension the base, an anchor pin is driven into the anchor hole at the tip, and the head is slightly projected. It is used to fix anchor holes by making anchor holes at the corresponding locations when installing the method frame on top. An anchor pin is driven through the anchor hole at the tip of the arm to fix the base, then temporary tension is applied, and then mortar is injected into the composite formwork on the lower surface. Wait for solidification, install a cross-shaped legal frame on the base, and after fixing, tighten the anchor to the required strength and finish the construction.

The surface of the base of the present invention does not necessarily have to be flat as long as the structure installed on it can be stably installed. Also, the material used for the base is not limited to steel plates. In the case of a steel plate, a normal galvanized steel plate may be used, and in the case of long-term use, it is desirable to use an ultra-thick plated steel plate. From the viewpoint of weather resistance, thin cement concrete and other sentiment products are also suitable.

[0026]

As described above, the present invention has the following effects. 1. Compared to the slope structure, a much lighter base is used,
It is possible to install a slope structure or provide a foundation that is easy to construct. Construction is easy and the construction period is short. 2. Placing mortar concrete on the bottom surface eliminates the gap between the base and the slope, and prevents the ground beneath the structure from running away. 3. When concrete is placed in a hollow frame, the amount of concrete is large and it is difficult to arrange the reinforcement, but this method can form a flat base with a small amount of mortar. 4. Therefore, the construction period is short and the cost is low. 5. Since temporary tension can be applied using the base, it is possible to secure the stability of the slope during the work.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a base.

FIG. 2 is a front sectional view showing a situation in which a base is installed.

FIG. 3 is a front view showing an example of a base.

FIG. 4 is a side sectional view showing a state in which mortar is placed on the bag-shaped mold of the base.

FIG. 5 is a front view showing another example of the base.

FIG. 6 is a plan perspective view showing an example of a cross-shaped base.

[Explanation of symbols]

 1 Base 10 Substrate 11 Reinforcing Edge 12 Adjusting Space 17 Arm 2 Anchor 20 Anchor Hole 26 Anchor Pin 3 Anchor Pin 3 Cut Slope 4 Bag Form 41 Sheet 42 Composite Form 5 Mortar

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] April 19, 1996

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents]

[Document Name] Statement

[Title of Invention] Base of slope structure and its construction method

[Claims]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides flat or regular unevenness on a slope structure such as a method frame constructed on a slope.
The present invention relates to a base used to provide a foundation and a construction method for the base.

[0002]

2. Description of the Related Art In constructing dams, roads, railways, power transmission facilities, etc., there are many cases in which structures such as law frames are constructed on uneven slopes for the purpose of preventing slope collapse and maintaining landscape. Conventionally, ignoring irregularities, a sloped flat frame is installed on the slope, or the frame itself is hollow and a space is provided inside, and a flexible sheet-like object is formed on the bottom of the frame. Installation,
We have adopted a method such as injecting a solidifying material such as concrete into the method frame so that the bottom surface conforms to the unevenness of the slope.

[0003]

According to the above-mentioned first conventional method, since the method frame and the ground are not in close contact with each other, the ground below the frame is eroded by raindrops or the like, and the slope is Becomes unstable. According to the second method, it is necessary to form the method frame itself into a cavity, how to accurately arrange the reinforcement in it, and how to install a flexible sheet that prevents leakage of concrete, Was a difficult problem.

In addition, such a cast-in-place concrete frame inevitably takes a long construction period because the amount of cast concrete is large. When the slope is unstable, it is necessary to solve another problem such as how to measure the slope stability by temporary tension of the anchor during the working period.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to make sure that construction can be carried out securely, safely, and that the construction period can be shortened. It is to provide a base of a structure and a construction method thereof.

[0006]

SUMMARY OF THE INVENTION According to the present invention, a substrate made of a rigid thin plate material such as steel plate / mesh reinforced concrete is provided with a reinforcing edge bent downward at a substantially right angle to at least both edges of the substrate. A base with an adjustment space on the bottom is used.

A bag-shaped mold made of a flexible sheet-like material is loaded in this adjusting space, or a flexible sheet-like material is stretched with a margin between the reinforcing edges of the substrate. Then, a composite form is formed by the inner surface of the sheet-shaped material and the substrate. After installing the base formed in this way on the slope, pour solidifying material such as concrete into the bag-shaped form or composite form to fill the adjustment space between the uneven slope and the base and stabilize. To do. In this way, the slope structure is installed on the stable base.

[0008]

Embodiment 1 An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows an example of the base 1 of the present invention, which is formed of a galvanized steel sheet having a thickness of 5 mm. A reinforcing edge 11 having a width of 10 cm is provided along the entire length of both edges of the substrate 10 having a width of 50 cm and a length of 3 meters, and an adjusting space 12 is formed on the lower surface of the substrate. On the lower edge of the reinforcing edge, a large number of triangular notches 13 having a depth of 2 cm are provided in a wavy shape.
The notch may be omitted and the bottom of the reinforcing edge may be formed flat or may be bent inward or outward. An anchor hole 20 having a diameter of 10 cm is provided in the center of the substrate.

FIG. 2 shows a state in which such a base 1 is installed on a cut slope 3 having many irregularities. When installing the base,
Normally, the anchor 2 is attached to the cut slope 3 through the anchor hole 20.
Then, the washer 21 having high rigidity is passed through, and the nut 22 is tightened from above to fix the washer 21. Since the adjustment space 12 is provided, it is more stable than placing the flat plate on the uneven surface.

When the slope is not stable, tension of several to several tens of tons may be applied to the anchor. In such a case, it is common to make the structure such as a legal frame installed on the base stand bear the strength.
It is desirable to be able to handle the force when a temporary tension of about 2 tons is applied. For this reason, a reinforcing edge is attached, the section modulus of the base in the short-side direction is large, and the force against the bending moment in the longitudinal direction is designed to be large.

Due to the adjustment space formed on the lower surface of the substrate and the notches provided on both edges, there are fewer contact points with the unevenness as compared with the flat plate, and it is possible to correspond to the unevenness of the slope as compared with a simple flat plate. It will be easier.

As shown in FIG. 3, rod-shaped projections 14 having a length of 5 cm may be provided at the ends of the reinforcing edges 11, respectively. The number of contact points with the unevenness of the slope is further reduced, and the base can be stabilized by inserting the rod-shaped projections into the slope.

[0013]

[Embodiment 2] In FIG. 4, an elongated bag-like mold 4 made of a durable and well-fabricated cloth is attached along the longitudinal direction of the adjustment space on the lower surface of the base 1. An inlet for concrete and mortar is provided at the top of the bag. Normal,
Make a cylindrical hole in the bag at the place where the anchor will be driven, and close the hole to prevent the mortar from flowing out. Base 1
Is set on the cut slope 3, the anchor is driven into the ground through the anchor hole 20 provided in the center of the substrate 10, the tension is temporarily tightened, the washer 21 is passed through, and the nut 22 is tightened, and then the bag-shaped form is formed. The mortar 5 is injected to fill the adjustment space 12 between the substrate 10 and the cut slope 3.

[0014]

Third Embodiment A base 1 is shown in FIG. A reinforcing edge 11 having a width of 10 cm and made of the same steel plate as that of the above-mentioned embodiment and extending over the entire length of the edge of the substrate 10 having a length and width of 1 meter.
Is attached. The reinforcing edge 11 has an L-shaped cross section, and the lower end is bent outward to form a reinforcing band 15 having a width of 5 cm.

The central bottom surface of the substrate 10 has a planar shape of 15
An anchor reinforcing portion 23, which is a square with a square shape of a centimeter and has a U-shaped cross section, is attached. The reinforcing ribs 24 on both sides work for reinforcement. In the center of the substrate 10,
The anchor reinforcing portion 23 is also provided with the anchor hole 20 having a diameter of 10 cm, which penetrates the anchor reinforcing portion 23 at the same time. When the anchor is struck through the anchor hole and temporary tension is applied to the base, the anchor reinforcing portion works to suppress the bending of the substrate.

As shown in the figure, in order to inject concrete or mortar, a sturdy and flexible sheet 41 is loosely attached between the lower surfaces of the surrounding reinforcing strips 15 instead of the bag form, The composite form 42 is formed.

At the four corners of the base 1, nuts 22 penetrating vertically are welded to the lower surface of the reinforcing band 15. The nut has
An adjusting bolt 25 having a base plate 16 having a diameter of 5 cm attached to the lower end is screwed. The level of the base is adjusted by moving the adjusting bolt up and down, and after adjusting the height, the locking nut 22 is tightened to fix the adjusting bolt. It is also possible to attach a short anchor pin 26 to the lower surface of the base plate and drive it on the slope to make it slip.

[0018]

[Embodiment 4] When reinforcing an unstable cut slope with an anchor, a cross-shaped concrete method frame is often used as a restraint plate. It is quite difficult to fix a large concrete product that weighs tens of tons on a slope with many irregularities. This embodiment is an example of a cross-shaped base used in such a case.

For this reason, as shown in FIG. 6, the base 1 of this embodiment has substantially the same plane shape as a concrete method frame installed above, that is, the arm portion 17 of the cross-shaped frame has a tapered tip. Since it is formed in the same shape, it has the same shape.

As in the third embodiment, a reinforcing edge having an L-shaped cross section, a height of 10 cm, and a reinforcing band 15 having a width of 5 cm are formed on both side edges of the arm portion 17. Reinforcing band 15
The level adjusting bolts 25 are attached in places here and there.

On the lower surface of the center of the substrate 10, a reinforcing rib of a rectangular shape having a width of 20 cm and a length of 1 meter is formed in the vertical direction of the slope and has a substantially U-shaped cross section with a downward opening. The anchor reinforcement 23 with 24 is attached.

At the center of the substrate 10, the anchor reinforcing portion 23 is provided.
At the same time, an anchor hole 20 having a diameter of 10 cm is provided. The tip of the cross 17 has a diameter of 5
A centimeter anchor hole 20 is provided.

In order to inject mortar, a flexible sheet 41 is loosely attached between the lower surfaces of the surrounding reinforcing strips 15 to form a composite form 42.

In the case of construction, an anchor is driven into the central anchor hole to temporarily tension the base, an anchor pin is driven into the anchor hole at the tip, and the head is slightly projected. It is used to fix anchor holes by making anchor holes at the corresponding locations when installing the method frame on top. An anchor pin is driven through the anchor hole at the tip of the arm to fix the base, then temporary tension is applied, and then mortar is injected into the composite formwork on the lower surface. Wait for solidification, install a cross-shaped legal frame on the base, and after fixing, tighten the anchor to the required strength and finish the construction.

[0025] Incidentally, the base surface of the invention, as long as it constructs placed above can be installed stably, it is not always flat needed rather than there may be a regular uneven.
For example, it may be formed in a wavy shape in the longitudinal direction. Compared to a flat plate
It has a large section modulus and is desirable in terms of strength. Further, the material is not limited to the steel plate. For steel, may be a conventional zinc plated steel sheet, it is desirable to use a very thick plated steel sheet for use in long-term use. From the viewpoint of weather resistance, thin cement concrete and other sentiment products are also suitable.

Further, depending on the size of the slope structure, the condition of the slope, etc., the base of the present invention is attached to the bottom surface of the slope structure in advance, the structure is installed on the slope, and then the solidifying material is placed in the adjusting space. It is also possible to pour. Structure to be installed on the base
Buildings are factory products or on-site constructions.
You may. For example, as shown in FIG.
Form and install the wire netting frame 44 on the substrate 10.
Fix the rebar cage 18 to the, and spray the mortar 5 in the frame
Build a legal framework.

Lattice shape formed by using spray mortar
Instead of a legal framework, a cast-in-place concrete legal framework was formed.
You may. For example, connect linear bases vertically and horizontally to form a grid.
Forming a pedestal base, and as shown in FIG.
Formed by fixing the rebar cage 18 and bending the steel plate from above
On top of that, the semi-circular frame 43 having an open bottom is covered, and
Concrete 51 is placed in the formwork.

In addition, by installing a prefabricated legal frame in the factory
Is also good. Even the factory products that are difficult to stabilize are flat on the uneven slope.
Installation is easy on the base. As explained above
In addition, an anchor hole is provided in advance in the method frame, and it projects on the base.
Insert the hole into the head of the anchor pin and fix it.

[0029]

As described above, the present invention has the following effects. 1. Compared to the slope structure, a much lighter base is used,
It is possible to install a slope structure or provide a foundation that is easy to construct. Construction is easy and the construction period is short. 2. Placing mortar concrete on the bottom surface eliminates the gap between the base and the slope, and prevents the ground beneath the structure from running away. 3. When concrete is placed in a hollow frame, the amount of concrete is large and it is difficult to arrange the reinforcement, but this method can form a flat base with a small amount of mortar. Therefore, the construction period is short and the cost is low. 4 . Since temporary tension can be applied using the base, it is possible to secure the stability of the slope during the work.

[Brief description of drawings]

FIG. 1 is a perspective view showing an example of a base.

FIG. 2 is a front sectional view showing a situation in which a base is installed.

FIG. 3 is a front view showing an example of a base.

FIG. 4 is a side sectional view showing a state in which mortar is placed on the bag-shaped mold of the base.

FIG. 5 is a front view showing another example of the base.

FIG. 6 is a plan perspective view showing an example of a cross-shaped base.

FIG. 7 shows a situation in which a spray frame is formed on the base.
It is a front view.

[Fig. 8] Construction of a concrete frame on a base
It is a front view of a situation.

[Explanation of Codes] 1 Base 10 Substrate 11 Reinforcing Edge 12 Adjusting Space 17 Arm 2 Anchor 20 Anchor Hole 26 Anchor Pin 3 Cut Slope 4 Bag Form 41 Sheet 42 Composite Form 5 Mortar

[Procedure amendment 2]

[Document name to be amended] Drawing

[Name of item to be corrected] Figure 7

[Correction method] Added

[Correction contents]

FIG. 7

[Procedure 3]

[Document name to be amended] Drawing

[Correction target item name] Fig. 8

[Correction method] Added

[Correction contents]

[Figure 8]

Claims (14)

[Claims] 1. A base to be installed below a structure constructed on a slope, wherein a rim of a substrate made of a rigid thin plate material is provided with a reinforcing edge bent downward at a substantially right angle. As a result, the base of the slope structure is characterized in that the adjustment space is formed on the lower surface of the substrate. 2. The base of a sloped structure according to claim 1, wherein the lower edge of the reinforcing edge is provided with irregularities. 3. The base of a slope structure according to claim 1, wherein projections are provided at a plurality of predetermined locations so as to project downward from the lower edge of the reinforcing edge. . 4. The sloped structure according to claim 1, further comprising height adjusters protruding downward from a lower edge of the reinforcing edge at a plurality of predetermined positions. Pedestal. 5. The base of the slope structure according to claim 1, wherein the adjustment space is loaded with a bag-shaped mold made of a flexible sheet-shaped material. 6. A flexible sheet-shaped material having a margin is stretched between the reinforcing edges, and a composite form formed by the sheet-shaped material and the back surface of the substrate is attached. Claim 1
The base of the slope structure according to claim 4. 7. The base of a sloped structure according to claim 1, wherein the planar shape is a substantially rectangular shape. 8. The base of a sloped structure according to claim 1, wherein the planar shape is a cross shape. 9. The base of a sloped structure according to claim 8, wherein the front end portion of the substrate is tapered at a predetermined position. 10. The base of a sloped structure according to claim 1, wherein a vertical through hole is provided at a center point of the plane of the substrate. 11. The base of a sloped structure according to claim 1, wherein a lower surface of the substrate is made of a rigid thin plate material, and a reinforcing rib is attached to the substrate at a substantially right angle to the substrate. 12. The adjustment according to any one of claims 1 to 11, wherein the base of the slope structure is fixed to the slope, and then a solidifying material is poured into a bag-shaped mold or a composite mold on the lower surface of the base. A method of constructing a base for a slope structure, which is characterized by filling a space. 13. A base material according to claim 1, which is installed on a slope, is temporarily tensioned by an anchor penetrating through the vertical through holes, and is then solidified into a bag-shaped form or a composite form of the base form. It is characterized by pouring in and filling the adjustment space.
Construction method of base of slope structure. 14. The base according to any one of claims 1 to 11 is installed on a slope, the anchor is pierced through the vertical through holes to temporarily tension the anchor, and then the slope structure is installed on the upper surface of the base. Then, the slope structure is tensioned with an anchor, and then the solidifying material is poured into the bag-shaped form or the composite form under the base,
A method of constructing a base for a slope structure, which is characterized by filling an adjustment space.