JP3416935B2 - Ground anchor Ground structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ground anchor ground structure which is fixed to a ground portion of an anchor tension member in a ground anchor construction method and appropriately distributes a pressing force against the ground to hold the ground.

[0002]

2. Description of the Related Art In order to prevent landslides due to ground collapse on the slopes or slopes that have been constructed, work for stabilizing the ground with ground anchors has been widely performed. The conventional general method of installing ground anchors is to insert an anchor tension member made of steel wire into the ground and fix and fix one end of it in the ground while exposing the other end of the anchor tension member to the ground. After placing the anchor pressure receiving member (anchor pedestal) made of concrete or steel plate on the ground surface, the anchor tension member is tensioned until a predetermined tension is obtained, and the exposed portion above the ground is anchored. The anchor is integrally fixed to the member, and the tension of the anchor tension member is transmitted from the integrated anchor pressure-receiving member to the ground to stably hold the ground.

[0003]

The conventional ground anchor installation work has been carried out as described above. However, of the ground surface on which the anchor pressure receiving member is installed, the anchor tension member is drilled in the ground for inserting and fixing the anchor tension member. The opening part of the drilled hole is shaved after various operations such as cleaning the inside of the hole until fixing the anchor tension member to the ground and injecting grout, and becomes a shape that spreads open as it goes to the ground surface. It is in a state of being largely depressed with respect to other parts.

For this reason, when the anchor pressure receiving member is directly installed on the ground surface and integrated with the anchor tension member, the anchor pressure receiving member and the ground cannot be brought into close contact with each other in the above-mentioned recessed perforation opening, and the ground of this part is not formed. On the other hand, there is a problem that the pressing force cannot be transmitted from the anchor pressure receiving member, and the ground holding strength cannot be sufficiently secured.

On the other hand, the work of filling the recessed perforation opening with sandbags or grouting has been conventionally performed.
It is difficult to give sufficient strength to the recessed part that was backfilled to share the pressing force from the anchor pressure-receiving member, and the appearance between the anchor pressure-receiving member and the ground is not visible from the outside. However, there is a problem that the state in which the partial pressure cannot be transmitted from the anchor pressure receiving member to the ground does not change.

Further, when the ground surface is uneven in addition to the recessed perforation opening, the contact area between the anchor pressure receiving member and the ground cannot be further taken, and the force from the anchor tension member moves from the anchor pressure receiving member to the ground. Since it may be concentrated on only a small part, sufficient holding strength to the ground cannot be secured, holding may not be performed properly, and deformation or damage due to stress concentration of the anchor pressure receiving member may be caused. Had.

Further, conventionally, once the ground anchor has been installed, it remains in that state until it is damaged and no maintenance or the like is performed thereafter. Therefore, the ground anchor itself may change over time and the surrounding environment may change. However, even if the holding force of the ground is changed, it is not possible to properly cope with it, and there is a problem that there is a high risk that the ground cannot be prevented even when the ground is likely to collapse such as landslide.

The present invention has been made to solve the above problems, and a pressing force dispersion member is fitted into an expanded opening portion of a hole into which an anchor tension member is inserted, so that a space between the anchor pressure receiving member and the ground is provided. Fills the voids and properly transmits the force from the anchor pressure receiving member to the ground to increase the holding force of the ground,
It is an object of the present invention to provide a ground anchor aboveground structure capable of adjusting a pressed state according to a change in the ground state and reliably holding the ground for a long period of time.

[0009]

A ground anchor ground structure according to the present invention is an anchor which is formed of a substantially trapezoidal body having a center hole in a penetrating state and is inserted and fixed in a predetermined hole in the ground. An anchor pressure receiving member, which is installed on the ground surface with the above-ground exposed portion of the tension member passing through the center hole, and is integrally fixed to the above-ground exposed portion of the anchor tension member, and a through-hole central hole are formed. Formed of a substantially conical body, and the tip side of the substantially conical body is on the ground side in the opening portion of the perforation in the ground with the above-ground exposed portion of the anchor tension member passing through the central hole of the substantially conical body. fitted towards the pressing force dispersion is disposed between said anchor receiving member and the ground, the anchor receiving member and the pressing force
Placed at one or more predetermined locations between the dispersion
The anchor pressure receiving member and the pressing force
Detects the pressure state between the scattered particles and externally acquires the acquired information
And a predetermined pressure detection means for transmitting to the management means . As described above, in the present invention, the pressing force dispersion member having a substantially conical shape is disposed between the anchor pressure receiving member and the ground, and the pressing force of the anchor pressure receiving member against the ground is applied to the opening portion of the perforation by the pressing force dispersion member. Also, since the tension of the anchor tension member is smoothly transmitted to the ground by the anchor pressure receiving member and the pressing force dispersion, the ground can be pressed reliably, and the ground holding force of one anchor pressure receiving member is greatly improved and safety is ensured. In addition to improving reliability and reliability, the ground that is the target of anchor work can be pressed more efficiently with an increase in ground holding force, and the number of anchors installed can be reduced. Well
Also, pressure detection between the anchor pressure receiving member and the pressing force dispersion
Means is provided, and an anchor pressure receiving member is provided in the pressure detecting means.
Information obtained by detecting the pressure state between the pressing force dispersion units
To the outside and receive this transmission information
Monitors pressure changes in car pressure receiving members and pressing force dispersion
By confirming the change in the ground retention state by
Around the anchor installation site and anchor installation location
Even if the ground holding state changes due to changes in the environment,
It is possible to take sufficient measures in response to such changes,
It is possible to maintain the entire ground retention state for a long time.

Further, the ground anchor ground structure according to the present invention is formed in a substantially trapezoidal body having a through hole formed therein.
Which has been made and is inserted and fixed in the specified hole in the ground.
A state where the exposed ground portion of the car tension member is passed through the center hole
Installed on the surface of the ground with the anchor tension member
Anchor pressure receiving member integrally fixed to the exposed part of the ground
And a substantially conical body with a through hole in the center.
The above-mentioned exposed portion of the anchor tension member above the substantially conical
Opening the perforations in the ground while passing through the center hole of the
Insert the tip of the cone into the mouth with the tip side facing the ground.
Is installed between the anchor pressure receiving member and the ground.
And a pressure disperser, wherein the pressing force disperser is in the direction of the cone axis.
Is divided into multiple parts, and each set of divided parts
It is possible to adjust the conical axis dimension by changing the number of adjustments.
It will be. Thus, in the present invention, the anchor
-A substantially conical pressing force dispersion unit is placed between the pressure receiving member and the ground.
Placed and press the pressure of anchor pressure receiving member against the ground
Since it is also transmitted to the opening part of the perforation by the force distributor, the anchor
-The tension of the tension member is fixed by the anchor pressure receiving member and the pressing force dispersion.
Being able to smoothly transmit to the ground and reliably press the ground
Therefore, the ground holding force of one anchor pressure receiving member is
Greatly improved to improve safety and reliability,
As the holding force increases, the
Can be pressed more efficiently and the number of anchors installed can be reduced.
Labor saving and cost reduction can be achieved throughout the anchor work.
In addition, the pressing force dispersion is made into a plurality of divided structures in the conical axis direction,
Size of pressing force dispersion by changing the number of combinations of each divided body
It is possible to adjust the
You can adjust the pressing force dispersion to an appropriate size according to the size.
Of the anchor pressure receiving member against the ground
With Kisa's pressing force dispersion, it is transmitted to the perforation opening without difficulty,
The ground holding state can be reliably maintained. Furthermore, pressing force dispersion
You can carry your body separately and install it on site.
The work from transportation to installation is easy and the burden on the operator
Is also reduced.

Further, in the ground anchor aboveground structure according to the present invention, the pressing force dispersion body has a predetermined
Or, between a plurality of divided bodies, the pressure condition between the divided bodies.
Predetermined pressure detection means for detecting the state and between the divided bodies
A predetermined gap adjusting means for changing the gap is provided.
It will be. Thus, in the present invention, the pressing
Pressure sensing means and spacing between the predetermined splits of the force distributor
Adjusting means is arranged, and the divided bodies detected by the pressure detecting means
Depending on the pressure state between
Adjust uniformly and change the dimension of the pressing force dispersion in the cone axis direction.
Change the height of the anchor pressure receiving member from the ground,
By partially changing the spacing between the divided bodies,
Anchor pressure can be received by changing the inclination
Adjusting the height position and orientation with respect to the ground surface during component installation
Alignment can be done properly and easily, and anchoring against unevenness on the ground surface
-Adjust the installation posture of the pressure receiving member to respond appropriately,
Be sure to distribute the pressing force from the anchor pressure receiving member to the ground.
The state that can be transmitted is obtained. In addition, ground anchor
-For changes over time in each part and changes in the environment around the anchor installation location
Even if the ground holding state changes accordingly, such changes
To the anchor by adjusting the interval with the interval adjusting means.
-Appropriately hold the ground with the pressure receiving member and the pressing force dispersion
It will be possible to correct to a safe state
Can be maintained for a long time.

Further, the ground anchor ground structure according to the present invention may include the anchor pressure receiving member and the pressing force as necessary.
Placed at one or more predetermined locations between the dispersion
The anchor pressure receiving member and the pressing force
Detects the pressure state between the scattered particles and externally acquires the acquired information
Provided with a predetermined pressure detection means to be transmitted to the management means
Is. Thus, in the present invention, the anchor pressure receiving portion
A pressure detecting means is provided between the material and the pressing force dispersion body.
The anchor pressure receiving member and the pressing
Let us detect the pressure state between and send the acquired information to the outside,
Upon receiving this transmission information, the anchor pressure receiving member and the push
Monitor the pressure change in the pressure disperser to
By confirming the change, each part of the ground anchor
Along with changes in the environment and surroundings of anchor installation locations
Even if the ground holding state changes, it can handle such changes.
And take sufficient measures to ensure a safe ground holding condition.
Can be maintained for a long time.

Further, the ground anchor ground structure according to the present invention may include the anchor pressure receiving member and the pressing force , if necessary.
Placed at one or more predetermined locations between the dispersion
The anchor pressure receiving member and the pressing force
Equipped with a predetermined interval adjusting means for changing the interval with the scattering body
It is a thing. Thus, in the present invention, the anchor receiver
A space adjusting means is provided between the pressure member and the pressing force dispersion body,
Uniform adjustment of the distance between the anchor pressure receiving member and the pressing force dispersion
And the height of the anchor pressure receiving member from the ground was changed.
The anchor pressure receiving member and the pressing force dispersion
By changing the distance between each other and changing the inclination with respect to one of the other, it is possible to properly and easily adjust the height position and orientation with respect to the ground surface when installing the anchor pressure receiving member, and to prevent the ground surface from becoming uneven. On the other hand, the installation posture of the anchor pressure-receiving member can be adjusted appropriately so that the pressing force can be reliably dispersed and transmitted from the anchor pressure-receiving member to the ground. Furthermore, even if the ground holding state changes due to changes over time in each part of the ground anchor or changes in the environment around the anchor installation location, the space between the anchor pressure receiving member and the pressing force distribution is adjusted by adjusting the space by the space adjusting means in accordance with such changes. Since the state of holding the ground by the body can be corrected to an appropriate state, the safe state of holding the ground can be maintained for a long period of time.

Further, the ground anchor ground structure according to the present invention is formed of a substantially trapezoidal body having a center hole in a penetrating state, and is anchored on the ground of an anchor tension member inserted and fixed in a predetermined hole in the ground. An anchor pressure-receiving member installed on the ground surface with the exposed portion passing through the central hole and integrally fixed to the ground-exposed portion of the anchor tension member, and one between the anchor pressure-receiving member and the ground or Predetermined pressure detection means disposed at a plurality of predetermined locations, detecting the pressure state between the anchor pressure receiving member and the ground at the predetermined locations, and transmitting the acquired information to an external management means; and the anchor pressure receiving member. Between the ground and the ground
Are arranged at a plurality of predetermined locations and are detected by the pressure detection means.
Corresponding to the changes in the anchor pressure receiving member and that with the ground
Predetermined spacing adjustment that changes the distance between each abutting part
And an actuator as a means . As described above, in the present invention, the pressure detecting means and the actuator are arranged between the anchor pressure receiving member and the ground, and the pressure detecting means is made to detect the pressure state between the anchor pressure receiving member and the ground to obtain the acquired information from the outside. It is possible to confirm the change of the ground holding state by monitoring the pressure change in the anchor pressure receiving member and the ground from the outside by receiving this transmission information, so that it is possible to check the change of the ground anchor state with the passage of time and the environment around the anchor installation place. Even if the ground holding state changes due to
Adjust the distance between the anchor pressure receiving member and the ground evenly.
Change the height of the anchor pressure receiving member from the ground,
The space between the tank pressure receiving member and the ground
Change the inclination of the anchor pressure receiving member with respect to the ground
Adjust the spacing to adjust the position of the anchor pressure receiving member.
The holding condition of the ground can be corrected to an appropriate condition, and the safe ground holding condition can be maintained for a long time.

[0015]

[0016]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is a front view of a ground anchor ground structure according to this embodiment, FIG. 2 is a plan view of an anchor pressure receiving member in the ground anchor ground structure according to this embodiment, and FIG. 3 is a ground anchor ground structure according to this embodiment. FIG. 4 is a perspective view of a pressing force dispersion body in the structure of the ground anchor according to the present embodiment.

In each of the drawings, the ground anchor ground structure according to the present embodiment is anchored to the ground exposed portion of the anchor tension member 50 fixed to the ground 60 and fixed to the surface of the ground 60. And a pressing force dispersion body 20 which is fitted between the anchor pressure receiving member 10 and the ground 60 by fitting the anchor tensioning member 50 of the ground 60 into the opening of the perforation 61 inserted and fixed, and the anchor pressure receiving member 10. It is configured to include the interval adjusting means 30 and the pressure detecting means 40 which are arranged at a plurality of predetermined positions between the pressing force dispersion body 20 and the pressing force dispersion body 20.

The anchor pressure-receiving member 10 has a hollow box-shaped core portion 11 having a through hole 11a.
And four hollow substantially box-shaped arm portions 12 connected and arranged in a substantially cross shape around the core portion 11, the core portion 1
1 and the arm 12 are integrated into a substantially trapezoidal body. The anchor pressure receiving member 10 is installed on the surface of the ground 60 with the above-ground exposed portion of the anchor tension member 50 fixed to the ground 60 passing through the center hole 11a of the core 11, and the above-ground exposed portion of the anchor tension member 50. Is integrally fixed to.

Further, the central hole 11 of the anchor pressure receiving member 10
a is formed so as to expand toward the bottom surface side of the anchor pressure-receiving member 10, and the anchor tension member 50 can be changed in a predetermined range of angle within the hole so that the anchor pressure-receiving member 10 can be moved from a position perpendicular to the anchor tension member 50. It is configured to allow a tilt in a predetermined range, so that it is possible to smoothly adjust the distance between the anchor pressure receiving member 10 and the pressing force dispersion body 20 and the mutual inclination by the distance adjusting means 30, and the anchor tension member 50 is the ground. Even when the anchor pressure receiving member 10 is installed through the center hole 11a without difficulty even when the anchor pressure receiving member 10 is installed in the ground 60 at an angle from the direction perpendicular to the 60 surface.

The pressing force dispersion body 20 has a central hole 2 which is in a penetrating state for passing the exposed portion of the anchor tension member 50 on the ground.
1 is a hollow substantially conical body having a hole formed therein, and is fitted by inserting the substantially conical tip side into the opening of the perforation 61 into which the anchor tension member 50 of the ground 60 is inserted and fixed, It is arranged between the anchor pressure receiving member 10 and the ground 60.

The space adjusting means 30 is a well-known actuator capable of adjusting the space between two substantially parallel surfaces, and the two surfaces are brought into contact with the anchor pressure receiving member 10 or the pressing force dispersion body 20 to receive the anchor pressure. It is a mechanism that is arranged at a plurality of predetermined positions between the member 10 and the pressing force dispersion body 20, and changes the distance between the anchor pressure receiving member 10 and the pressing force dispersion body 20 at these predetermined positions. The pressure detecting means 40 is disposed on the surface of the space adjusting means 30 on the anchor pressure receiving member 10 side (see FIG. 4).

The pressure detecting means 40 is a known pressure sensor for detecting the pressure between two contacting objects, and the intervals are adjusted at a plurality of predetermined positions between the anchor pressure receiving member 10 and the pressing force dispersion body 20. It is arranged in a state of being sandwiched between one surface of the means 30 and the bottom surface of the anchor pressure receiving member 10,
This is a mechanism in which the pressure state between the anchor pressure receiving member 10 and the pressing force dispersion body 20 at these predetermined locations is detected, and information regarding the obtained pressure is transmitted to an external management means (not shown).

Next, the process of constructing the ground anchor aboveground structure and the ground holding state based on the above configuration will be described. First, regarding the construction step, in a state where the anchor tension member 50 is fixed to the ground 60 in advance, first, the anchor tension member 50 is first passed through the pressing force dispersion body 20 through the central hole 21. Fifty
(See FIG. 3). Then, the space adjusting means 30 and the pressure detecting means 40 are arranged on the upper surface side of the pressing force dispersion body 20, respectively. After this, the anchor pressure receiving member 10 is attached to the center hole 1
The anchor tension member 50 is installed on the surface of the ground 60 while allowing the exposed ground portion of the anchor tension member 50 to pass therethrough.

After the anchor pressure receiving member 10 is installed, the contact state between the anchor pressure receiving member 10 and the ground 60 is checked, and the anchor pressure receiving member 10 does not properly contact the ground 60 due to the unsteady ground 60, and a gap is formed. When the space is free, the anchor pressure receiving member 10 is adjusted by adjusting the distance of any of the distance adjusting means 30.
The distance between the anchor pressure receiving member 10 and the ground 60 is changed by changing the distance between the pressing force dispersing member 20 and the tilting force and the mutual inclination. After this adjustment, the anchor tension member 50 is tensioned until a predetermined tension is obtained, and the anchor tension member 50 and the anchor pressure receiving member 10 in this tension state are tensioned.
If and are integrally fixed, the construction process is completed, and the anchor pressure receiving member 10 and the pressing force dispersion body 20 press and hold the ground 60 (see FIG. 1).

In this ground holding state, in the anchor pressure receiving member 10 which is integrally fixed to the anchor tension member 50 on the surface of the ground 60, the tension force of the anchor tension member 50 is transmitted to the arm portion 12 via the core portion 11, Arm part 1
The ground 60 can be held by applying a pressing force from the lower surface of 2 to the ground 60. In addition, the pressing force against the ground is surely transmitted from the anchor pressure receiving member 10 to the opening of the recessed hole 61 of the ground 60 through the pressing force dispersion body 20, and the pressing force is evenly distributed over the entire mounting portion of the anchor pressure receiving member 10. The holding force of the ground 60 as a ground anchor is increased.

Further, a plurality of pressure detecting means 4 arranged between the anchor pressure receiving member 10 and the pressing force dispersion body 20.
0 can detect the pressure state between the anchor pressure receiving member 10 and the pressing force dispersion body 20, and can transmit the detected pressure to a predetermined management means, and the management means can send the anchor pressure receiving member based on the transmission information. By monitoring whether there is a significant change in pressure between 10 and the pressing force dispersion unit 20, the holding force of the ground 60 is reduced due to the secular change of each part of the ground anchor or the environmental change around the ground 60. You can surely grasp the situation where the state changes. Then, in accordance with the change detected by the pressure detecting means 40, the space adjusting means 30 adjusts the space and the inclination between the anchor pressure receiving member 10 and the pressing force dispersion body 20, and even after the installation, the anchor pressure receiving member 10 and the pressing force dispersion member 20 are pressed. The holding state of the ground in the pressure dispersion body 20 can be changed, and the ground 60 can be stably held for a long period of time by taking appropriate measures in response to the change in the pressed state.

As described above, in the ground anchor ground structure according to this embodiment, the anchor pressure receiving member 10 is used.
The pressing force dispersion body 20 having a substantially conical shape is arranged between the ground and the ground 60, and the pressing force dispersion member 20 dents the pressing force of the anchor pressure-receiving member 10 against the ground 60.
Since the tension of the anchor tension member 50 is smoothly transmitted to the ground 60 by the anchor pressure receiving member 10 and the pressing force dispersion member 20, the ground 60 can be surely pressed, and one anchor pressure receiving member 10 In addition to the ground retention force being greatly improved to improve safety and reliability, the number of anchors installed can be reduced with the increase in ground retention force, thus enabling labor saving and cost reduction in the entire anchor construction.

In addition, in the ground anchor ground structure according to the above-mentioned embodiment, the anchor pressure receiving member 10 and the pressing force dispersion body 20 are configured to remain hollow, but the present invention is not limited to this, and after installation on the ground surface. The inner hollow portion is filled with a filler such as concrete to increase the strength and weight, and the anchor pressure-receiving member 10 and the pressing force dispersion 20 are provided.
It is also possible to adopt a configuration for improving the ground holding force. Further, instead of the hollow box-shaped body, it may be configured to be used as a solid integral molded body such as concrete.

Further, in the ground anchor ground structure according to the above-mentioned embodiment, the pressing force dispersion body 20 is formed as an integral substantially conical body, but the present invention is not limited to this, and the pressing force dispersion body 20 is conical. It is also possible to adopt a structure in which a plurality of divided bodies are arranged in the axial direction, and the dimension of the pressing force dispersion body 20 in the conical axis direction can be adjusted by changing the number of combinations of the divided bodies. The pressing force dispersion body 20 can be adjusted to an appropriate size in accordance with the size, and the pressing force of the anchor pressure receiving member 10 against the ground 60 is reasonably adjusted to the opening of the perforation 61 with the pressing force dispersion body 20 having the optimum size. It is transmitted, and the ground holding state can be reliably maintained. In addition, pressure detecting means for detecting the pressure state between the divided bodies and interval adjusting means for changing the distance between the divided bodies are arranged between the predetermined divided bodies of the pressing force dispersion body 20 having the divided structure. It can also be configured to be installed,
By adjusting the space between the divided bodies by the space adjusting means in accordance with the pressure state between the divided bodies detected by the pressure detection means,
The height position and orientation of the anchor pressure-receiving member 10 with respect to the surface of the ground 60 can be appropriately and easily adjusted, and the ground 60 can be adjusted for unevenness and secular change.
The holding state of can be corrected to an appropriate state, and a safe ground holding state can be maintained for a long time.

Further, in the ground anchor ground structure according to the above-mentioned embodiment, the pressing force dispersion body 20 is arranged to be fitted into the opening of the perforation 61 of the ground 60, but the present invention is not limited to this, and the ground is solid. In the case where the opening of the perforation 61 is sufficiently small, as shown in FIG.
No. 0 is used, the anchor pressure-receiving member 10 is directly placed on the ground surface as in the conventional case, and the gap adjusting means 30 and the pressure between the anchor pressure-receiving member 10 and the surface of the ground 60 are formed by known actuators. The detecting means 40 may be arranged in the same manner as the arrangement between the anchor pressure receiving member 10 and the pressing force dispersion body 20 in the above-described embodiment, and before the anchor tension member 50 and the anchor pressure receiving member 10 are fixed to each other. Is
The anchor pressure receiving member 10 causes the ground 6 to fall due to the unevenness of the ground 60.
Even when the gap is not properly abutted against 0 and the gap is open, the gap between the anchor pressure receiving member 10 and the ground 60 and the inclination of the anchor pressure receiving member 10 with respect to the ground 60 can be changed by adjusting the gap of any of the gap adjusting means 30. Therefore, the anchor pressure receiving member 10 and the ground 60 can be adjusted to an appropriate contact state. Further, after the anchor tension member 50 and the anchor pressure receiving member 10 are fixed, the anchor pressure receiving member 10 is attached to the pressure detecting means 40.
By detecting the pressure state between the ground and the ground 60, and transmitting the detected pressure to a predetermined management means, the management means monitors whether there is a significant change in pressure based on the transmission information. The situation in which the holding state of the ground 60 changes can be surely grasped as in the above embodiment. Then, in response to the change detected by the pressure detecting means 40, the space adjusting means 30 adjusts the space between the anchor pressure receiving member 10 and the ground 60 and the inclination of the anchor pressure receiving member 10 with respect to the ground 60, and the anchor is installed even after installation. The ground holding state of the pressure receiving member 10 can be changed, and the ground 60 can be stably held for a long period of time by taking appropriate measures in response to the change of the pressed state.

Further, in the ground anchor ground structure according to the above-described embodiment, the anchor pressure receiving member 10 has four arms 12 fixed to the core 11 which is a substantially box-shaped body having a quadrangular planar shape, and has a cross shape as a whole. However, the present invention is not limited to this, and the core portion 11 is a substantially box-shaped body having a polygonal plane shape other than a quadrangle, and the arm portion corresponds to the number of side surfaces of the core portion 11. It is also possible to fix each of 12 to the core portion 11 so as to have a predetermined symmetrical shape other than the cross shape around the core portion 11. In addition, the anchor pressure receiving member 10 is attached to the core portion 11 and the arm portion 12.
As shown in FIG. 6, without combining with
A substantially trapezoidal structure having a simple planar shape such as a triangle can also be used.

Further, in the ground anchor ground structure according to the above-mentioned embodiment, a substantially box-shaped body is used as the arm portion 12 of the anchor pressure receiving member 10, but the present invention is not limited to this, and the arm portion 12 is made of T-shaped steel. It is also possible to use a member having a substantially plate-shaped portion that is perpendicular to the ground such as steel, angle steel, and H-shaped steel, and another substantially plate-shaped portion that is orthogonal to this substantially plate-shaped member, and as a simpler structure. The cost can be reduced.

[0033]

As described above, according to the present invention, a substantially conical pressing force dispersion member is provided between the anchor pressure receiving member and the ground, and the pressing force of the anchor pressure receiving member against the ground is dispersed. By transmitting the tension of the anchor tension member to the ground smoothly with the anchor pressure receiving member and the pressing force dispersion, the ground can be surely pressed by the body also transmitting to the opening part of the perforation. The power is greatly improved to enhance safety and reliability, and the ground that is the target of the anchor work can be pressed more efficiently due to the increase in the ground holding force, and the number of anchors installed can be reduced. The effect is that the cost can be reduced. Also, the anchor pressure receiving member and the pressing force distribution
The pressure detecting means is arranged between the body and this pressure detecting means.
The pressure state between the anchor pressure receiving member and the pressing force dispersion
The detected information is transmitted to the outside and this transmitted information is
From the outside to the anchor pressure receiving member and the pressing force dispersion
It is possible to check the change in ground holding state by monitoring the pressure change
By doing so, it is possible to
Ground holding state due to environmental changes around the location
Even if the
Can be applied to maintain a stable ground retention for a long time.
Has the effect of being able to have.

Further, according to the present invention, the anchor pressure receiving member
A roughly conical pressing force disperser is placed between the
The pressing force of the tank pressure receiving member against the ground is
Since it is also transmitted to the opening part of the perforation, the anchor tension member
Smooth tension of anchor by pressure receiving member and pressure dispersion
It can be transmitted to the ground and the ground can be pressed with certainty.
Ground holding force of two anchor pressure receiving members is greatly improved.
Safety and reliability are enhanced, and the ground holding force is increased.
As the ground becomes larger, the ground targeted for anchor work will be more efficient.
It can be pressed and the number of anchors installed can be reduced.
The effect of being able to save labor and reduce costs as a whole
Have. In addition, the pressing force dispersion unit is divided into multiple parts in the conical axis direction.
Pressing force dispersion by changing the number of combinations of each divided body
It is possible to easily adjust the size of
Appropriate size of pressing force dispersion according to the size of the mouth
The pressure of the anchor pressure receiving member against the ground can be adjusted to
Pushing force distribution of optimum size allows easy transmission to the drilling opening
And the effect of being able to reliably maintain the ground retention state
Have. In addition, you can carry the pressing force dispersion
Can be installed in the field, from carrying to installation
It is easy to perform and the burden on the operator is reduced.
Have.

According to the present invention, the pressing force dispersion unit is also provided.
A pressure detecting means and a space adjusting means are arranged between the fixed divided bodies.
Installed, and the pressure state between the divided bodies detected by the pressure detection means
Corresponding to the above, the spacing adjustment means uniformly adjusts the divided body spacing.
The anchor by changing the dimension of the pressing force dispersion in the direction of the cone axis.
Change the height of the pressure receiving member from the ground,
By partially changing the distance between the one and the other, the height position and orientation with respect to the ground surface can be adjusted appropriately and easily when installing the anchor pressure receiving member, and the ground surface On the other hand, there is an effect that the installation posture of the anchor pressure receiving member can be adjusted appropriately so that the pressing force from the anchor pressure receiving member can be reliably dispersed and transmitted to the ground. Furthermore, even if the ground holding state changes due to changes over time in each part of the ground anchor or changes in the environment around the anchor installation location, the space between the anchor pressure receiving member and the pressing force distribution is adjusted by adjusting the space by the space adjusting means in accordance with such changes. Since the state of holding the ground by the body can be corrected to an appropriate state, there is an effect that a safe state of holding the ground can be maintained for a long period of time.

Further, according to the present invention, the anchor pressure receiving member
A pressure detecting means is provided between the pressure
Between the force receiving means and the pressure receiving member of the anchor
The pressure information of the
The pressure receiving member and pressure from the outside
The change in ground holding state is monitored by monitoring the pressure change in the force distributor.
By confirming the change of the ground anchor,
Due to aging and changes in the environment around the anchor installation site
Even if the holding state of the board changes, respond to such changes
Sufficient countermeasures can be taken to maintain a safe ground holding state.
It has the effect that it can be maintained for a period of time.

Further, according to the present invention, the anchor pressure receiving member
A space adjusting means is arranged between the
ー Adjust the gap between the pressure receiving member and
Change the height of the pressure receiving member from the ground,
The car pressure receiving member and the pressing force dispersion
The slope was changed from one to the other by changing the interval
The ground surface when installing the anchor pressure-receiving member.
Adjusting the height position and orientation relative to the surface is appropriate and easy.
The installation position of the anchor pressure receiving member against the unevenness of the ground surface
Can be adjusted appropriately and adjusted from the anchor pressure receiving member.
It is possible to obtain a state in which the pressing force can be reliably dispersed and transmitted to the ground.
Has the effect of being In addition, the ground anchor
Due to changes over time in each part and changes in the environment around the anchor installation location
Even if the ground retention state changes,
In addition, the spacing is adjusted by the spacing adjustment means and the anchor
Make sure that the holding condition of the ground with the pressure receiving member and the pressing force dispersion is appropriate.
It will be possible to correct the condition, and the safe ground holding condition can be extended.
It has the effect that it can be maintained for a period of time.

Further, according to the present invention, the pressure detecting means and the actuator are arranged between the anchor pressure receiving member and the ground, and the pressure detecting means detects the pressure state between the anchor pressure receiving member and the ground to obtain the pressure. By transmitting the information to the outside and receiving the transmitted information to monitor the pressure change in the anchor pressure receiving member and the ground from the outside and confirm the change in the ground holding state, the secular change of each part of the ground anchor and the environment around the anchor installation place Even if the ground holding state changes due to changes, the actuation
Uniform spacing between anchor pressure receiving member and ground
To change the height of the anchor pressure receiving member from the ground.
The anchor pressure receiving member and the
The anchor spacing to the ground
Anchor pressure is received by adjusting the interval such as changing the inclination
Be able to correct the holding condition of the ground in the member to an appropriate state
Therefore, there is an effect that a safe ground holding state can be maintained for a long time.

[0039]

[Brief description of drawings]

FIG. 1 is a front view of a ground anchor ground structure according to an embodiment of the present invention.

FIG. 2 is a plan view of an anchor pressure receiving member in the ground anchor ground structure according to the embodiment of the present invention.

FIG. 3 is an explanatory view of a state in which a pressing force dispersion body is being arranged in the ground anchor ground structure according to the embodiment of the present invention.

FIG. 4 is a perspective view of a pressing force dispersion body in the ground anchor ground structure according to the embodiment of the present invention.

FIG. 5 is a front view of a ground anchor ground structure according to another embodiment of the present invention.

FIG. 6 is a perspective view of a ground anchor ground structure according to another embodiment of the present invention.

[Explanation of symbols]

10 Anchor pressure receiving member 11 Core part 11a central hole 12 Arm 20 Pressing force dispersion 21 Center hole 30 Interval adjustment means 40 Pressure detection means 50 anchor tension member 60 ground 61 drilling

Claims (6)

(57) [Claims] 1. A state in which an exposed portion above the ground of an anchor tension member, which is formed of a substantially trapezoidal body having a penetrating center hole and is inserted and fixed in a predetermined hole in the ground, is passed through the center hole. An anchor pressure receiving member that is installed on the ground surface and is integrally fixed to the exposed ground portion of the anchor tensioning member, and a substantially conical body having a center hole in a penetrating state. In the state where the above-ground exposed portion of the substantially conical body is passed through the central hole, the tip end side of the substantially conical body is fitted into the opening part of the perforation in the ground with the anchor pressure receiving member and the ground. A pressing force dispersion member disposed between the anchor pressure receiving member and the anchor pressure receiving member
Is provided at one or more predetermined locations between
The phase of the anchor pressure receiving member and the pressing force dispersion at a predetermined location
Detecting the pressure condition between each other, the acquired information is
A ground anchor aboveground structure, comprising: predetermined pressure detecting means for transmitting to a step . 2. A substantially trapezoidal body having a through hole formed therein.
It is formed by and is inserted and fixed in a predetermined hole in the ground
The exposed part of the anchor tension member above the ground was passed through the center hole.
Installed on the ground surface in the state, and the anchor tension
Anchor pressure receiving part integrally fixed to the above-ground exposed part of the member
Material and a substantially conical body with a through hole
The above-mentioned exposed portion of the anchor tension member is substantially circular.
Of the perforation in the ground while passing through the central hole of the cone
Fit into the opening with the tip of the roughly conical body facing the ground.
Rarely, it is arranged between the anchor pressure receiving member and the ground
And a pressing force dispersion body, wherein the pressing force dispersion body has a conical axial direction.
It is divided into multiple parts in the same direction, and
It is possible to adjust the conical axis dimension by changing the number of combinations.
Ground anchor ground structure characterized by comprising Te. 3. The ground anchor according to claim 2.
-In the ground structure, the pressing force dispersion is
Is the pressure state between the multiple split bodies,
Predetermined pressure detection means for detecting pressure and the interval between the divided bodies
Is provided with predetermined interval adjusting means for changing
Ground anchor ground structure characterized by becoming . 4. The ground according to claim 2 or 3.
In the anchor ground structure, push the anchor pressure receiving member
Arranged at one or more predetermined locations between the pressure disperser
The anchor pressure receiving member and the pressing force at the predetermined location
Detects the pressure condition between the dispersions and removes the acquired information.
A ground anchor aboveground structure comprising a predetermined pressure detection means for transmitting to a management means of the section . 5. The method according to any one of claims 1 to 4.
Ground anchor of the ground structure, the anchor
One or more places between the pressure receiving member and the pressing force dispersion
It is installed at a fixed location and receives the anchor pressure at the prescribed location.
Predetermined distance adjustment that changes the distance between the member and the pressing force dispersion
A ground anchor aboveground structure, which is provided with adjusting means . 6. A state in which an exposed portion above the ground of an anchor tension member, which is formed of a substantially trapezoidal body having a penetrating center hole and is inserted and fixed in a predetermined hole in the ground, is passed through the center hole. An anchor pressure receiving member that is installed on the ground surface and is integrally fixed to the above-ground exposed portion of the anchor tension member, and is disposed at one or a plurality of predetermined locations between the anchor pressure receiving member and the ground. A predetermined pressure detection unit that detects the pressure state between the anchor pressure receiving member and the ground at a predetermined location and transmits the acquired information to an external management unit, and one between the anchor pressure receiving member and the ground.
Or, it is installed at a plurality of predetermined locations and is detected by the pressure detection means.
Corresponding to the known changes, the anchor pressure receiving member and the ground
Predetermined spacing adjustment that changes the distance between each abutting part
A ground anchor ground structure characterized by comprising an actuator as an adjusting means .