KR101366818B1 - Assembly permanent anchor and fixing method thereof - Google Patents

Abstract

The present invention relates to an assembly permanent anchor and a fixing method for the assembly permanent anchor. The assembly permanent anchor and the fixing method thereof insert a mounting part to be located in the end of the underground by continuously and sequentially connecting a connection member and a tensile part to a mounting part, form a permanent anchor by connecting an upper fixture with the connection member located on the ground, bury the permanent anchor by injecting grout into the ground, and fasten a nut by extending the upper fixture of the permanent anchor, thereby supporting soil pressure applied between the structure and the soil. According to the present invention, the assembly permanent anchor and a fixing method thereof can freely control the length of a permanent anchor with a tensile part and a connection member to correspond to the length of the underground; increase the soil pressure by the end of the permanent anchor supporting the soil pressure while located to be adjacent to the end of the underground; can omit a separate work because a strand of the permanent anchor is not required to cut; reduce costs by preventing an unnecessary part of the permanent anchor from being lost; perform work only with manpower by making the upper fixture, the tensile part, a connection member, and a mounting body to be assembled; and minimize volume by being separated into each component and then easily transport products and reduce distribution costs.

Description

Assembly permanent anchor and fixing method

The present invention relates to a permanent anchor, and more particularly to an assembled permanent anchor and a fixing method thereof.

In general, the permanent anchor is buried in the ground is a mechanism for supporting the wall or structure that resists earth pressure so that the soil of the cut land does not collapse.

At this time, the permanent anchor is embedded in the ground by the grout in the state inserted into the ground, pulled by the tensioner in that state, tightened with a nut to earth pressure between the structure (for example: wall, retaining wall, etc.) and the soil of the cut Support it.

Looking at the earth anchor disclosed in Patent Document 1, the lower mansion is formed to be inserted to the end of the ground, the fixing unit is formed on the lower mansion, the tension member extending from the inside of the fixing unit to the upper part of the fixing unit A covering is formed around the cover, and an earth anchor formed with an upper mansion is posted on the top of the covering.

Here, the lower mansion and the fixing body of the earth anchor is firmly fixed by the grout hardened by being injected into the ground, to prevent the earth anchor is separated out.

Then, the tension member is pulled by the tensioner to support the earth pressure between the structure and the soil.

And, the upper mansion is pulled by the tensioner in the state exposed to the outside, in that state by tightening the nut tightly fixed to the pressure support plate to maintain the tension member in the tensioned state.

However, the earth anchor of patent document 1 has the following problems.

First, when the depth of the ground is deeper than the length of the earth anchor with a fixed length, the earth anchor does not reach the end of the ground, so the earth pressure between the wall and the soil is poor, and when the depth of the ground is shallower than the ground anchor length, There is a problem that requires a separate operation for cutting the exposed earth anchor.

Secondly, when the tension material of the earth anchor is cut because of the above-mentioned shallow ground depth, there is a problem in that an unnecessary part of the earth anchor is lost and the cost is increased.

Third, the upper mansion, the tension member, the fixing body, the lower mansion of the earth anchor when the anchor anchoring work is integrated, there is a problem that the operation cost is increased by inserting the earth anchor in the ground using a separate heavy equipment.

Fourth, the volume of the earth anchor is increased by the integration of the upper mansion, the tension member, the fixing body, the lower mansion, which is difficult to transport the product and at the same time there is a problem that the logistics cost increases.

(Patent Document 1) KR10-0436662 B1

The present invention is to solve the problems as described above, an object of the present invention, by connecting the connecting member and the tensioning unit in sequence successively inserted into the fixing unit is located at the end of the ground, located on the top of the ground Connect the upper manshon to the connecting member to form a permanent anchor. Inject grout into the ground to bury the permanent anchor, and tighten the nut while tightening the upper manshon of the permanent anchor. It is to provide an assembled permanent anchor and a fixing method for supporting the.

In order to achieve the object of the present invention as described above, the assembled permanent anchor according to the present invention, the fixing body is fixed to the ground is formed, the lower manshon is formed on one end of the fixing body, the first end on the other end A fixing part having a connecting groove formed therein and having a spiral engaging protrusion formed along an outer surface of the fixing body; An upper manshon disposed above the fixing unit, having a screw thread formed on an outer surface thereof, and having a second connection groove formed at one end thereof; A plurality of strands provided therein in a hollow shape, and third connecting grooves are formed at both ends thereof, and a tension unit disposed between the fixing unit and the upper manshon and tensioned; And a connecting member connected to the first, second and third connecting grooves to connect the fixing unit, the upper manshon and the tensioning unit.

In the assembled permanent anchor according to the present invention, the fixing unit is characterized in that the plurality of strands are provided in the fixing body and the lower manshon.

In the assembled permanent anchor according to the present invention, the fixing unit is characterized in that the engaging protrusion is formed in any one of a circular, elliptical, hemispherical or polygonal shape.

In the assembled permanent anchor according to the present invention, the upper manshon is characterized in that at least two or more second connection grooves are formed.

In the assembled permanent anchor according to the present invention, the tension portion is characterized in that the strand is wrapped with a polyethylene resin coating material or a polyethylene resin slide pipe.

In the assembled permanent anchor according to the present invention, coupling protrusions are formed on inner surfaces of the first, second and third connecting grooves of the fixing unit, the upper manshon and the tensioning unit, and the coupling protrusions are formed on the outer surfaces of both ends of the connecting member. It is characterized in that the coupling groove is formed to be coupled.

In the assembled permanent anchor according to the present invention, the coupling groove of the connection member is formed with an insertion groove into which the coupling protrusion is inserted, extending perpendicularly to the end of the insertion groove to guide the movement of the coupling protrusion. The guide groove is formed, it is characterized in that it consists of a fixing groove for extending perpendicular to the end of the guide groove to fix the coupling protrusion.

In the assembled permanent anchor according to the present invention, the coupling groove of the connecting member, the coupling protrusion fixed to the fixing groove at the end of the guide groove in the direction opposite to the fixing groove to prevent the departure from the guide groove It is characterized in that to form a departure prevention groove.

An assembled permanent anchor fixing method according to the present invention includes a first process of inserting the fixing unit and the hose into the ground while connecting the connecting member and the tension unit to the fixing unit; A second process of connecting an upper manshon to a connection member positioned at an upper end of the plurality of connection members inserted into the ground; Injecting grout through the hose to bury the fixing part, the tension part, and the connection member in the ground, and removing the hose; A fourth step of coupling the nut to the thread of the upper manshon and pulling the upper manshon with a tensioner when the grout injected in the third step is hardened to generate a tensile force in the tension part; And a fifth process of tightening the nut spaced apart from the predetermined distance from the structure installed on the outer edge of the ground by the fourth process so as to be in close contact with the anchor plate installed on the structure, to maintain the tensile force generated in the tension portion. It is done.

In the assembled permanent anchor fixing method according to the present invention, in the first step, the fixing member is connected to the fixing unit, and the fixing unit is continuously connected to the connecting member in sequence so that the fixing unit is positioned at the distal end of the ground. It is characterized by that.

In the assembled permanent anchor fixing method according to the present invention, in the first process, the engaging protrusion formed on the inner surface of the first connecting groove of the fixing part is inserted into the coupling groove formed on the outer surface of the fixing member, the other end of the connecting member Insert and fasten the engaging protrusion of the tension portion into the coupling groove formed, and insert and fasten the coupling protrusion of the upper manshon into the coupling groove of the connection member located at the top, the fixing unit, the tension portion and the upper manshon as a connection member It is characterized by connecting sequentially.

In the assembled permanent anchor fixing method according to the invention, characterized in that it further comprises a sixth process of fixing the cap surrounding the upper manshon and nut on the anchor plate.

According to the present invention, the length of the permanent anchor can be freely adjusted to correspond to the depth of the ground by the tension portion and the connecting member, and the earth pressure is increased by supporting the earth pressure with the permanent anchor end positioned near the end of the ground. There is no need to cut the strands of permanent anchors, so no additional work is required.However, the loss of unnecessary parts of the permanent anchors is prevented, and the cost is reduced. The work is possible, and the volume is minimized by dividing into individual parts, thereby facilitating the transportation of products and reducing the logistics costs.

1 is a perspective view showing an assembled permanent anchor according to the present invention.
Fig. 2 is an exploded perspective view of Fig. 1; Fig.
3 is a cross-sectional view of the assembled permanent anchor according to the present invention.
Figure 4 is a schematic diagram for coupling the engaging protrusion of the assembled permanent anchor according to the present invention in the coupling groove.
5 is a perspective view showing another embodiment of the assembled permanent anchor according to the present invention.
6 is an exploded perspective view of FIG. 5;
7a to 7d is a view showing a state of embedding the assembled permanent anchor in the ground according to the present invention.
8 is a view showing a state of fixing the assembled permanent anchor according to the present invention.
9 is a flow chart illustrating a method of fixing the assembled permanent anchor according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 to 4, the fixing unit 100 has a fixing body 101 which is fixed in the ground, and a lower manshon 102 is formed at one end of the fixing body 101, and at the other end. A fixing part 100 having a first connecting groove 103 formed therein and having a spiral engaging protrusion 104 formed along the outer surface of the fixing body 101;

The fixing body 101 and the lower manshon 102 of the fixing unit 100 is inserted to the end portion of the ground.

The locking protrusion 104 of the fixing body 101 is fixed to the grout hardened in the ground.

The cross-sectional shape of the locking portion 104 is formed in any one of a circular, elliptical, hemispherical or polygonal shape, it is preferable to be manufactured in a shape that can be firmly embedded in the grout according to the user's selection.

The fixing unit 100 includes a plurality of strands 105 inside the fixing body 101 and the lower manshon 102.

The strand 105 assists the fixing body 101 and the lower manshon 102 to support the tensile force.

Coupling protrusions 102a are formed on the inner surface of the first connection groove 103 of the fixing unit 100.

The coupling protrusion 103a is inserted into and coupled to the coupling groove 401 of the connection member 400.

The upper manshon 200 is disposed on the fixing unit 100, the thread 201 is formed on the outer surface, the second connecting groove 202 is formed at one end.

The upper manshon 200 is connected to the connection member 400, the second connection groove 202 is located in the upper portion of the underground.

The thread 201 of the upper manshon 200 is preferably exposed to the outside of the ground.

The upper manshon 200 is pulled by the tensioner 10 to add a tensile force to the fixing unit 100, the tension unit 300 and the connecting portion 400.

The nut N is fastened to the thread 201 of the upper manshon 200.

The upper manshon 200 is pulled by the tensioner 10, and is fixed in the pulled state by the nut (N) in close contact with the anchor plate 20.

5 to 6, the upper manshon 200 has at least two second connection grooves 202 formed therein, each fixing unit 100 in each of the second connection grooves 202. The connection part 400 and the tension part 300 are sequentially connected.

A coupling protrusion 202a is formed on an inner surface of the second connection groove 202 of the upper manshon 200.

The coupling protrusion 202a is inserted into and coupled to the coupling groove 401 of the connection member 400.

Tensile portion 300 is a hollow shape is provided with a plurality of strands 301 therein, the third connecting groove 302 is formed at both ends, the fixing unit 100 and the upper manshon 200 Disposed between and tensioned.

The tension unit 300 is connected to the plurality by the connecting member 400 is disposed between the fixing unit 100 and the upper manshon 200.

The third connection groove 302 of the tension part 300 is connected to the connection member 400.

The tension unit 300 supports the tensile force of the tensioner with the strand wire 301.

The strand 301 of the tension unit 300 is wrapped with a polyethylene resin coating material 303-1 or a polyethylene resin slide pipe 303-2.

A coupling protrusion 302a is formed on an inner surface of the third connecting groove 302 of the tension part 300.

The coupling protrusion 302a is inserted into and coupled to the coupling groove 401 of the connection member 400.

The connection member 400 is connected to the first, second and third connection grooves 103, 202 and 302 to connect the fixing unit 100, the upper manshon 200 and the tension unit 300.

The connection member 400 is rotatably coupled in the state of being inserted into the first, second, and third connection grooves 103a, 202a, and 302a.

The connecting member 400 is provided between the fixing unit 100 and the upper manshon 200, a plurality of connection between the plurality of tension unit 300, the tension unit 300 and the fixing unit ( 100) and the upper manshon 200 is connected.

Coupling grooves 401 to which the coupling protrusions 103a, 202a, and 302a are coupled are formed on outer surfaces of both ends of the connection member 400.

The coupling groove 401 of the connection member 400 is inserted into the insertion groove 401a into which the coupling protrusions 103a, 202a, and 302a are inserted, and extends perpendicularly to an end of the insertion groove 401a. Guide grooves 401b for guiding movement of the 103a, 202a, 302a and the fixing grooves 401c extending perpendicularly to the ends of the guide grooves 401b to fix the coupling protrusions 103a, 202a, 302a. It is composed.

Coupling grooves 401 of the connecting member 400, the engaging protrusions 103a, 202a, 302a fixed to the fixing grooves 401c at the end of the guide groove 401b in the direction opposite to the fixing grooves 401c. ) Is formed to prevent the departure groove 401d to prevent the departure to the guide groove (401b).

The assembled permanent anchor according to the present invention configured as described above is fixed by the following method.

Here, the slope is cut, a structure (for example, lattice block, square block, retaining wall, etc.) is installed on the slope, the concrete is poured between the structure and the slope, and the detailed description of the process of drilling the slope is omitted. do.

9 is a flowchart illustrating a method of fixing the assembled permanent anchor according to the present invention, with reference to this will be described that the assembled permanent anchor is fixed.

First, referring to FIGS. 7A to 7B, one end of the connecting member 400 is connected to the first connecting groove 103 of the fixing unit 100, and the other end of the tension unit 300 is connected to the other end of the connecting member 400. 3 connecting groove 302 is inserted to insert the fixing unit 100 in the perforated ground (S100).

At this time, another connection member 400 is connected to another third connection groove 302 of the tension part 300, and a third connection groove of another tension part 300 is connected to the connection member 400. 302 is continuously connected to allow the fixing unit 100 to enter the distal end of the ground.

Here, the fixing unit 100 and the hose (P) is inserted at the same time in the perforated ground.

When the fixing unit 100 reaches the distal portion of the ground, the second connecting groove 202 of the upper manshon 200 is connected to the connecting member 400 located at the upper portion of the ground. The thread 201 of the manshon 200 is exposed to the ground outside (S200).

Here, the fixing protrusions 100, the upper manshon 200, and the tensioning portion 300 are formed with coupling protrusions 103a, 202a and 302a, and the coupling protrusions 103a, 202a and 302a are connected to the connection member ( Fixing part 100 to the connecting member 400 by inserting and coupling to the coupling groove 401 to form the insertion groove 401a, guide groove 401b, fixing groove 401c and departure prevention groove 41d of the 400 ), The upper manshon 200 and the tension unit 300 is connected.

That is, the insertion groove 401a of the connection member 400 is inserted into the coupling protrusion 103a of the fixing unit 100, and in this state, the connection member 400 is rotated in one direction to connect the coupling protrusion ( When 103a is moved along the guide groove 401b, and the coupling protrusion 103a is positioned at the end of the guide groove 401b, the connection member 400 is pushed to fix the groove of the connection member 400. The coupling protrusion 103a is positioned at 41c.

Subsequently, the coupling protrusion 302a of the tension unit 300 is inserted into the insertion groove 401a of the connection member 400, and the coupling protrusion 302a is rotated by rotating the tension unit 300 in one direction. The guide groove 401b is moved, and in this state, the tensioning part 300 is pushed so that the coupling protrusion 302a is positioned in the fixing groove 401c of the connection member 400.

In the case of the upper manshon 200, it is connected to the connection member 400 by the same method as the tension portion 300.

7C and 7D, the grout is injected into the ground through the hose P to bury the fixing unit 100 and the tension unit 300 connected by the connecting member 400. Remove the hose (P) (S300).

Here, the grout injected into the ground is preferably injected to overflow outside the ground.

And, referring to Figure 8, when the grout is hardened by a predetermined time is exceeded, the nut (N) is coupled to the thread 201 of the upper manshon 200 exposed to the ground out, only the upper part in the state The tension 200 is generated in the tension unit 300 by pulling the Shawn 200 into the tensioner 10 (S400).

Here, the fixing body 101 and the lower manshon 102 of the fixing unit 100 is fixed in a state buried in the solidified grout, the tension unit 300 and the connecting portion 400 by the tensioner 10 Is prevented from escaping to the outside.

In particular, the locking protrusion 104 of the fixing body 101 is fixed in a state locked to the solidified grout to firmly support the tensile force of the tensioner (10).

In addition, the fixing unit 100, the upper manshon 200, the engaging protrusions 103a, 202a, 302a of the tension unit 300, which is pulled by the tensioner 10 is prevented from being separated from the connection member 400. It is locked to the groove 401d to prevent the coupling protrusions 103a, 202a, and 302a from being separated into the guide groove 401b.

Then, the tensile force is generated in the tension portion 300 and at the same time the nut (N) coupled to the upper manshon 200 is spaced apart from the anchor plate 20 installed in the structure (W).

At this time, by tightening the nut (N) in close contact with the nut (N) to the anchor plate 20 (S500), the tension portion 300 is maintained in a tensioned state by the upper manshon 200 , The upper manshon 200 is fixed in the position pulled by the tensioner 10 by the nut (N).

Thereafter, the anchor plate 20 is fixed to the cap 500 surrounding the upper manshon 200 and the nut N (S600), the upper manshon 200 and the nut (N) is an external factor It is prevented from being broken by or corroded by rain water.

Meanwhile, in the present invention, the second connection groove 202 of the upper manshon 200 is formed as one, and the fixing part 100 and the tension part 300 are connected to the second connection groove 202. 400) to form an assembled permanent anchor to support the earth pressure and to install the assembled permanent anchor in the ground as an example.

However, as shown in FIGS. 5 to 6, the present invention forms a plurality of second connection grooves 202 of the upper manshon 200 according to a user's intention, and each of the second connection grooves 202. By connecting the fixing unit 100 and the tension unit 300 connected by the connecting member 400 to), to form an assembled permanent anchor to improve the bearing force supporting the earth pressure between the structure (W) and the soil can.

In the above, the ground is perforated on the inclined cut land, but the present invention can be settled in the ground of various places.

In addition, in the present invention, in order to clarify the contents of the claims, coupling protrusions (first, second, third connecting grooves 103, 202, 302 of the fixing unit 100, the upper manshon 200 and the tension unit 300) Although 103a, 202a, and 302a are formed and the coupling protrusions 103a, 202a, and 302a are coupled to the coupling groove 401 of the connection member 400,

According to the user's intention, the first, second and third connection grooves 103, 202, 302 of the fixing unit 100, the upper manshon 200, and the tension unit 300 are threaded at both ends of the connection member 400. By forming the connection member 400 may be coupled to the first, second, third connection grooves (103, 202, 302) in a spiral manner.

As described above, the structure for fixing the assembled permanent anchor assembled by connecting the fixing unit, the upper manshon, and the tension unit with the connecting member can freely adjust the permanent anchor length to correspond to the depth of the ground with the tension unit and the connecting member. The toe pressure is increased by supporting the toe pressure with the end of the permanent anchor close to the end of the ground, and no additional work is required because there is no need to cut the strand of the permanent anchor. It is prevented and the cost is reduced, and the upper manshon, the tension part, the connecting member and the fixing body can be assembled so that the work can be done only by manpower.

The assembled permanent anchor and the fixing method thereof according to the present invention described above are not limited to the above-described embodiments, and are commonly used in the field of the present invention without departing from the gist of the present invention as claimed in the following claims. Anyone who has it has the technical spirit to the extent that various changes can be made.

10: tensioner 20: anchor plate
100: fixing unit 101: fixing body
102: lower mansion 103: first connection groove
103a, 202a, 302a: engaging protrusion 104: locking protrusion
105,301: Strand 200: Upper Manshon
201: thread 202: second connection groove
300: tension portion 302: third connection groove
303-1: Polyethylene resin coating material
303-2: polystyrene resin slide pipe 400: connecting member
401: coupling groove 401a: insertion groove
401b: Guide groove 401c: Settlement groove
401d: Breakaway prevention groove 500: Cap
N: Nut P: Hose
W: Structure

Claims (12)

A fixing body 101 to be fixed in the ground is formed, the lower manshon 102 is formed at one end of the fixing body 101, the first connecting groove 103 is formed at the other end, the fixing body (101) a fixing unit (100) having a spiral engaging protrusion (104) formed along an outer surface thereof;
An upper manseon 200 disposed on the fixing unit 100 and having a thread 201 formed on an outer surface thereof, and having a second connection groove 202 formed at one end thereof;
A plurality of strands 301 are provided inside the hollow shape, and third connection grooves 302 are formed at both ends, and are disposed between the fixing unit 100 and the upper manshon 200 to be tensioned. Tension unit 300;
A connection member 400 connected to the first, second, and third connection grooves 102, 202, 302 to connect the fixing unit 100, the upper manshon 200, and the tension unit 300;
In the assembled permanent anchor is configured to include,
Coupling protrusions 102a, 202a, and 302a are formed on inner surfaces of the first, second, and third connection grooves 103, 202, and 302 of the fixing unit 100, the upper manshon 200, and the tension unit 300. Coupling grooves 401 to which the coupling protrusions 103a, 202a, and 302a are coupled are formed at both ends of the connection member 400,
The coupling groove 401 is
Insertion grooves 401a into which the coupling protrusions 103a, 202a, and 302a are inserted, and guide grooves extending perpendicularly to the ends of the insertion grooves 401a to guide the movement of the coupling protrusions 103a, 202a, and 302a. 401b and the guide groove 401b is formed orthogonal to the end of the assembled permanent anchor, characterized in that consisting of a fixing groove (401c) for fixing the engaging protrusions (103a, 202a, 302a). The method of claim 1,
The fixing unit 100 is
Assembled permanent anchor, characterized in that the plurality of strands 105 is provided in the fixing body 101 and the lower manshon 102. The method of claim 1,
The fixing unit 100 is
Cross-sectional shape of the engaging protrusion 104 is assembled permanent anchor, characterized in that formed in any one of a circular, elliptical, hemispherical or polygonal shape. The method of claim 1,
The upper manshon 200
Assembled permanent anchor, characterized in that at least two second connection groove 202 is formed. The method of claim 1,
The tension unit 300 is
Assembly line permanent anchor, characterized in that the strand is wrapped with a polyethylene resin coating material (303-1) or polyethylene resin slide pipe (303-2). delete delete The method of claim 1,
The coupling groove 401 of the connection member,
To prevent the coupling protrusions 103a, 202a, and 302a fixed to the fixing grooves 401c at the end of the guide grooves 401b in the opposite direction to the fixing grooves 401c. Assembly permanent anchor, characterized in that the formation of the departure prevention groove (401d). A first step (S100) of inserting the fixing unit 100 and the hose P into the ground while connecting the connecting member 400 and the tension unit 300 to the fixing unit 100;
A second process (S200) of connecting the upper manshon 200 to a connection member 400 positioned at an upper end of the plurality of connection members 400 inserted into the ground;
Injecting grout through the hose (P) to embed the fixing unit (100), the tension unit (300) and the connection member (400) in the ground, and removing the hose (P) (S300);
When the grout injected in the third step S300 is hardened, the nut N is coupled to the thread 201 of the upper manshon 200, and the upper manshon 200 is pulled by the tensioner 10. A fourth process (S400) for generating a tensile force in the tension unit 300;
By tightening the nut (N) spaced a predetermined distance from the structure (W) installed on the outer edge of the ground by the fourth process (S400) to be in close contact with the anchor plate 20 installed on the structure (W), the tension portion 300 A fifth step (S500) of maintaining the tensile force generated in the);
In the assembled permanent anchor fixing method comprising a,
In the first process (S100),
The connecting member 400 is connected to the fixing unit 100, and the tensioning unit 300 is sequentially connected to the connecting member 400 so that the fixing unit 100 is positioned at an end portion of the ground. And inserting and coupling the coupling protrusion 103a formed on the inner surface of the first connecting groove 103 of the fixing unit 100 to the coupling groove 401 formed on the outer surface of the connecting member 400, and the other end of the connecting member 400. Insert and fasten the coupling protrusion 302a of the tension portion 300 to the coupling groove 401 formed in the coupling of the upper manshon 200 to the coupling groove 401 of the connection member 400 located at the top Inserting and fastening the projection (202a), permanent anchor anchoring method, characterized in that to connect the fixing unit 100, the tension unit 300 and the upper manshon 200 in sequence with a connecting member (400). delete delete The method of claim 9,
And a sixth step (S600) of fixing the cap 500 surrounding the upper manshon 200 and the nut N on the anchor plate 20.

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