KR101771670B1 - Grouting apparatus and method of the same - Google Patents

Grouting apparatus and method of the same Download PDF

Info

Publication number
KR101771670B1
KR101771670B1 KR1020150098482A KR20150098482A KR101771670B1 KR 101771670 B1 KR101771670 B1 KR 101771670B1 KR 1020150098482 A KR1020150098482 A KR 1020150098482A KR 20150098482 A KR20150098482 A KR 20150098482A KR 101771670 B1 KR101771670 B1 KR 101771670B1
Authority
KR
South Korea
Prior art keywords
injection pipe
injection
packer
perforation hole
grouting material
Prior art date
Application number
KR1020150098482A
Other languages
Korean (ko)
Other versions
KR20170006974A (en
Inventor
윤용수
나병관
Original Assignee
주식회사 장평건설
윤용수
나병관
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 장평건설, 윤용수, 나병관 filed Critical 주식회사 장평건설
Priority to KR1020150098482A priority Critical patent/KR101771670B1/en
Publication of KR20170006974A publication Critical patent/KR20170006974A/en
Application granted granted Critical
Publication of KR101771670B1 publication Critical patent/KR101771670B1/en

Links

Images

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/20—Securing of slopes or inclines
    • E02D17/207—Securing of slopes or inclines with means incorporating sheet piles or piles
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • E02D3/123—Consolidating by placing solidifying or pore-filling substances in the soil and compacting the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/74—Means for anchoring structural elements or bulkheads
    • E02D5/80—Ground anchors
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/003—Injection of material

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grouting apparatus and method for inserting an underground, and more particularly, to a grouting apparatus and method for inserting an underground, which can stably support a ground by injecting a grouting material into a hole formed in the ground.
A grouting apparatus for inserting an underground according to the present invention comprises a first injection pipe inserted in a perforation hole formed in the ground and having a first opening for supplying a first grouting material to the perforation hole; A second injection pipe disposed in parallel with the first injection pipe and inserted into the perforation hole and having a second opening for supplying a second grouting material to the perforation hole; A packer surrounding the first injection tube and the second injection tube; And a packer injection pipe having a third opening for supplying a filler to the inside of the packer, wherein the second opening is closed until the second grouting material is supplied through the second injection pipe do.

Description

Field of the Invention [0001] The present invention relates to a grouting apparatus and method for inserting a ground,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grouting apparatus and method for inserting an underground, and more particularly, to a grouting apparatus and method for inserting an underground, which can stably support a ground by injecting a grouting material into a hole formed in the ground.

As the industry develops, it is inevitable to develop inclined places such as mountainous areas by constructing new or new towns. Therefore, it is necessary to increase the utilization of land and secure the stability of residential complexes, Is required.

Soil-Nailing, which is the most widely used slope stabilization method, is widely used for reinforcement of slope and flexible support for excavation.

It is called as a method to suppress the expected displacement of the ground during the construction or after completion of the construction by perforating the paperboard at relatively closely spaced intervals, increasing the shear strength of the paperboard itself by grouting the perforation hole after inserting the nail into the perforation hole .

Korean Patent Laid-Open No. 10-2002-0085119 discloses a technique of inserting a grouting pipe equipped with a packer in a perforation hole and injecting a grouting material to prevent the soft ground from falling down.

In the conventional grouting method and apparatus, the grouting material is injected into the perforation hole, and the grouting material injected into the perforation hole is cured as it is initially injected.

Therefore, in the case of the soft ground, even if the grouting material injected into the perforation hole at the initial stage is cured in the injected state, the ground is weak and the ground can not be stably supported.

Korean Patent Publication No. 10-2002-0085119

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a grouting material which, when a grouting material initially injected into a perforation hole is partially cured, injects a grouting material again so that some hardened debris penetrates deeply into the ground of the perforation hole, The present invention has been made in view of the above problems, and it is an object of the present invention to provide a grouting apparatus and method for underground insertion.

To achieve the above object, according to the present invention, there is provided a grouting apparatus for inserting an underground, comprising: a first injection pipe inserted into a perforation hole formed in the ground and having a first opening for supplying a first grouting material to the perforation hole; A second injection pipe disposed in parallel with the first injection pipe and inserted into the perforation hole and having a second opening for supplying a second grouting material to the perforation hole; A packer surrounding the first injection tube and the second injection tube; And a packer injection pipe having a third opening for supplying a filler to the inside of the packer, wherein the second opening is closed until the second grouting material is supplied through the second injection pipe do.

And the second opening is coupled to the second opening, and the second opening is closed until the second grouting material is supplied through the second injection pipe.

The second injection pipe includes: a main injection pipe arranged in parallel with the first injection pipe and having the second opening; And a sub-injection pipe disposed inside the main injection pipe and injecting the second grouting material, wherein the sub injection pipe moves up and down in the main injection pipe.

The second injection pipe is composed of an elevating member which is coupled while surrounding the outer circumferential surface of the sub-injection pipe and whose outer circumferential surface is in close contact with the inner circumferential surface of the main injection pipe, and the sub-injection pipe moves up and down together with the elevating member.

The overhose further includes an overhose having one end inserted into the perforation hole and the other end disposed outside the perforation hole, wherein the overhose is provided with a fourth open hole disposed in the interior of the packer, And the fourth open hole is located above the third open hole formed in the packer injection tube.

A core that penetrates the packer and is disposed in parallel with the first injection tube and the second injection tube; And an anchor member coupled to an end of the core.

The packer may further include a packing member made up of an upper packing member through which the first injection pipe and the second injection pipe penetrate and a lower packing member through which the first injection pipe and the second injection pipe penetrate below the upper packing member, ; An elastic tube which surrounds the upper packing material and the lower packing material spaced apart from each other and forms an empty space inside the upper packing material; A rubber band surrounding the elastic tube at a position where the packing member is disposed; A metal band surrounding the rubber band; And a finishing tape surrounding the metal band.

In order to achieve the above object, the grouting method for inserting the ground according to the present invention comprises the steps of inserting a first injection pipe into a perforation hole formed in the ground, and injecting a first grouting material into the perforation hole through the first injection pipe A first injection step; A packer expanding step of supplying a filler to the inside of the packer wrapping the first injection tube so that the outer surface of the packer is brought into close contact with the inner circumferential surface of the perforation hole; And a second injection step of injecting a second grouting material into the perforation hole by using a second injection tube arranged in parallel with the first injection tube, And is performed when the first grouting material is partially cured.

As the second grouting material is injected into the perforation hole by the second injection step, the partially hardened first grouting material is broken and the debris is inserted into the ground.

The second opening formed in the second injection tube is closed until the first injection step and the packer expansion step are performed, and is opened when the second grouting material is injected in the second injection step.

According to the grouting apparatus and method for inserting the ground according to the present invention as described above, the following effects can be obtained.

When the first grouting material initially injected into the perforation hole is partly cured, the second grouting material is injected again, and the partially hardened first grouting material is broken by the injection pressure of the second grouting material so that the debris penetrates deep into the ground of the perforation hole, So that the soft ground can be more stably supported.

1 is a structural view of a grouting apparatus for underground insertion according to a first embodiment of the present invention;
2 is a perspective view of a packing member according to an embodiment of the present invention,
FIG. 3 is a flowchart illustrating an operation of the grouting apparatus for underground insertion according to the first embodiment of the present invention.
4 is a structural view of a grouting apparatus for underground insertion according to a second embodiment of the present invention.
5 is a flowchart illustrating an operation of the grouting apparatus for underground insertion according to the second embodiment of the present invention.
FIG. 6 is a structural view of a grouting apparatus for underground insertion according to a third embodiment of the present invention. FIG.

First Embodiment

2 is a perspective view of a packing member according to an embodiment of the present invention, and Fig. 3 is a perspective view of a grounding apparatus according to the first embodiment of the present invention. Fig. The operation and degree of the grouting device for insertion.

1, a grouting apparatus for inserting an underground according to the present invention comprises a first injection pipe 10, a second injection pipe 20, a packer 30, a packer injection pipe 40, A hose 50 and the like.

The first injection pipe 10 is made of a steel pipe, a synthetic resin pipe, or the like, and inserted into the perforation hole 80 formed in the ground.

A first opening 11 for supplying a first grouting material 71 to the perforation hole 80 is formed in the first injection pipe 10.

The first opening 11 is disposed outside the packer 30.

The second injection pipe 20 is made of steel, a synthetic resin pipe, or the like, and inserted into the perforation hole 80 in parallel with the first injection pipe 10.

The second injection pipe 20 is formed with a second opening 21 for supplying the second grouting material 72 to the perforation hole 80.

The second opening 21 is disposed outside the packer 30. [

It is preferable that the second opening 21 is always open, but it is closed until the second grouting material 72 is supplied through the second injection pipe 20.

The second opening 21 is coupled with a shielding film 25 such as a tape so that the second opening 21 is closed until the second grouting material 72 is supplied through the second injection pipe 20, ).

The first grouting material 71 is inserted through the first injection pipe 10 into the perforation hole (not shown) by allowing the second opening 21 to be closed until the second grouting material 72 is supplied, It is possible to prevent the first grouting material 71 from flowing into the second injection pipe 20 through the second opening 21 to be hardened.

The second openings 21 are formed of a plurality of openings, and are positioned between the packers 30 having a plurality of openings.

The packer (30) is mounted while enclosing the first injection pipe (10) and the second injection pipe (20) arranged in parallel.

The plurality of packers 30 are spaced apart from each other, and the second openings 21 are positioned between the packers 30 as described above.

In this embodiment, the packer 30 is composed of two packers.

The packer 30 is composed of a packing member 31, an extensible tube 32, a rubber band 33, a metal band 34 and a finishing tape 35.

The packing member 31 is composed of an upper packing material 31a and a lower packing material 31b spaced apart from each other.

The first injection pipe 10 and the second injection pipe 20 pass through the upper packing material 31a and the lower packing material 31b.

The packing member 31 is made of an elastic material such as rubber, sponge or the like which can be deformed by an external force.

As shown in FIG. 2, the packing member 31 is provided with a plurality of packing members 31 for passing through the first injection pipe 10, the second injection pipe 20, the packer injection pipe 40, the overhose 50, Through holes 31c are formed, and the respective through holes 31c are connected by a cut-out 31d.

Therefore, the first injection pipe 10, the second injection pipe 20, the packer injection pipe 40, and the overhose 50 are opened in the state that the through hole 31c is opened along the incision 31d. May be inserted into the through hole 31c.

At this time, an adhesive is applied to the through hole 31c so as to be strongly coupled with the first injection pipe 10, the second injection pipe 20, the packer injection pipe 40 and the overhose 50.

The expansion and contraction tube 32 is made of rubber, nonwoven fabric, or the like, and surrounds the upper packing material 31a and the lower packing material 31b spaced apart from each other to form an empty space therein.

The outer diameter of the expansion and contraction tube 32 is gradually expanded by the filling material 73 such as mortar introduced through the packer injection tube 40 and is closely attached to the inner wall of the perforation hole 80.

The rubber band 33 surrounds the outer peripheral surface of the elastic tube 32 at a position where the packing member 31 is disposed.

The metal band 34 is made of iron or the like to cover the elastic band.

At this time, the width of the rubber band 33 is greater than the width of the metal band 34.

The metal tube 34 can securely fasten the elastic tube 32 to the packing member 31.

The rubber band 33 is disposed between the elastic tube 32 and the metal band 34 so that the metal band 34 is in direct contact with the elastic tube 32 by the rubber band 33, The expansion and contraction tube 32 and the metal band 34 contact each other when the expansion and contraction tube 32 expands to prevent the expansion and contraction tube 32 from being torn by the metal band 34 .

The finishing tape 35 surrounds the metal band 34 so that the metal band 34 is not exposed to the outside.

Due to the above structure, the inside of the expansion and contraction tube 32 is sealed from the outside in detail in the packer 30.

The packer injection tube 40 is disposed in parallel with the first injection tube 10 and the second injection tube 20 and the inside of the packer 30 is filled with a mortar Of the filling material 73 is supplied.

To this end, a third opening 41 is formed in the packer injection tube 40, and the third opening 41 is disposed inside the elastic tube 32.

A plurality of the third openings 41 are formed in the packer injection tube 40 such that the third openings 41 are located inside the packer 30.

The overhose 50 has one end inserted into the perforation hole 80 and the other end disposed outside the perforation hole 80.

The overhose (50) is provided with a fourth opening (51) disposed inside the packer (30).

Since the number of the packers 30 is plural, the fourth openings 51 are formed in the overhose 50 so as to be located inside the packers 30, respectively.

The overhose 50 is configured to discharge water or foreign substances existing in the packer 30 to the outside when the filler material 73 is filled into the packer 30 through the packer injection pipe 40 It plays a role.

After the water or the like is removed from the overhose 50, the operator closes the other end of the overhose 50 so that the filler material 73 is supplied into the packer 30 to expand the extensible tube 32 .

The fourth openings 51 formed in the overhose 50 are located above the third openings 41 formed in the packer injection tube 40.

When the filler 73 is supplied to the inside of the packer 30 through the packer injection tube 40, water or the like existing inside the packer 30 is moved upward by the filler 73 The air can be naturally introduced into the fourth opening 51 and then discharged to the outside through the overhose 50.

Hereinafter, the grouting method for inserting the ground according to the present invention having the above-described structure will be described.

First, a perforation hole 80 is formed in the ground, and the grouting device of the present invention is inserted into the perforation hole 80 as shown in FIG.

The grouting method for underground insertion of the present invention comprises a first injection step, a packer expansion step, and a second injection step.

1, the grouting apparatus is inserted into the perforation hole 80, and then, as shown in FIG. 3 (a) And the first grouting material 71 is supplied to the perforation hole 80.

The first grouting material 71 supplied through the first injection pipe 10 flows into the perforation hole 80 through the first opening 11 to be filled.

At this time, since the second opening 21 is closed by the blocking film 25, the first grouting material 71 does not flow into the second injection pipe 20, (80).

3 (b), the packer expansion step may include the step of supplying the filling material 73 to the interior of the expansion and contraction tube 32 inside the packer 30 through the packing inlet tube 40 to be.

The filler 73 supplied through the packer injection tube 40 flows into the inside of the expansion tube 32 through the third opening 41 and is filled.

At this time, the water or the like existing in the inside of the extensible tube 32 is pushed by the filler 73 and discharged to the outside through the fourth opening 51 and the overhose 50.

As the filler material 73 is continuously supplied into the packer 30 while the other end of the overhose 50 is closed and the other end of the overhose 50 is closed, And is pressed against the inner circumferential surface.

The second injection step is a step of injecting the second grouting material 72 into the perforation hole 80 by using the second injection pipe 20 arranged in parallel with the first injection pipe 10.

For example, when the first grouting material 71 injected into the perforation hole 80 is partially cured without being fully cured, the first grouting material 71 may be inserted into the perforation hole 80, And about 3 to 24 hours after the injection.

The first grouting material 71 injected into the perforation hole 80 may be partially cured and exist in a plurality of lumps when the second injection step is performed.

When the second grouting material 71 is partially cured, the second grouting material 72 is transferred to the second grouting material 72 as shown in FIG. 3 (c) The first grouting material 71 partially hardened as it is injected into the perforation hole 80 through the second opening 21 of the second grouting material 72 is broken by the injection pressure of the second grouting material 72, Is inserted into the ground.

At this time, the blocking film 25 blocking the second opening 21 is torn by the injection pressure of the second grouting material 72, and the second opening 21 is opened.

The second openings 21 are formed between the plurality of the packers 30 so that even though the packers 30 are in close contact with the inner wall of the perforation hole 80, The second grouting material 72 can be smoothly supplied between the first and second grouting materials.

Since the second opening 21 is closed by the blocking film 25 until the second injection step is performed, the first grouting material 71 is injected into the second injection It is possible to prevent the supply of the second grouting material 72 from being cut off by flowing into the inside of the pipe 20 and curing.

According to the present invention, after the first grouting material 71 is partly cured, the second grouting material 72 is supplied and the first grouting material 71 is broken and the debris is inserted into the ground. As a result, .

Second Embodiment

FIG. 4 is a structural view of a grouting apparatus for inserting an underground according to a second embodiment of the present invention, and FIG. 5 is an operation and an extent of a grouting apparatus for inserting an earth according to a second embodiment of the present invention.

The second embodiment differs from the first embodiment in that the first injection tube 10, the packer injection tube 40, and the overhose 50 are the same, so a description thereof will be omitted, The injection tube 20 will be mainly described.

The second injection pipe 20 includes a main injection pipe 22, a sub injection pipe 23, and an elevating member 24.

The main injection pipe 22 is disposed in parallel with the first injection pipe 10 and has a second opening 21 formed therein.

The second opening 21 is formed in the outer peripheral surface of the main injection pipe 22 between the packer 30 and the packer 30 as in the first embodiment.

The sub-injection tube 23 is disposed inside the main injection tube 22 and injects the second grouting material 72.

That is, in the second embodiment, the second injection pipe 20 is a double pipe by the main injection pipe 22 and the sub injection pipe 23.

 The sub injection pipe 23 is mounted to move up and down in the main injection pipe 22.

The elevating member 24 is coupled while surrounding the outer circumferential surface of the sub injection pipe 23, and the outer circumferential surface thereof is in close contact with the inner circumferential surface of the main injection pipe 22.

Therefore, the sub injection pipe 23 moves up and down together with the elevating member 24. [

As an example of the structure in which the elevating member 24 is elevated and lowered, the outer circumferential surface of the elevating member 24 is screwed to the inner circumferential surface of the main injection pipe 22 and the elevating member 24 is rotated, And the sub injection pipe 23 can be moved up and down.

The grouting apparatus of the second embodiment having the above structure is operated in the following manner.

First, a perforation hole 80 is formed in the ground, and the grouting apparatus of the present invention is inserted into the perforation hole 80 as shown in FIG.

Then, as shown in FIG. 5 (a), the first grouting material 71 is supplied to the perforation hole 80 through the first injection pipe 10.

Since the second opening 21 formed in the main injection pipe 22 is closed by the blocking film 25, the first grouting material 71 is inserted into the main injection pipe 22 And only the perforation hole 80 is filled.

5 (b), when the first grouting material 71 is completely injected, the inner space of the packer 30 through the packer injection tube 40 is filled in the inside of the elastic tube 32 The filler 73 is supplied.

As a result, the expandable tube 32 gradually expands and is pressed against the inner peripheral surface of the perforation hole 80.

When the supply of the first grouting material 71 and the filler material 73 is completed as described above, the first grouting material 71 injected into the perforation hole 80 is not completely cured, The second grouting material 72 is supplied through the sub-injection pipe 23 as shown in FIG. 5 (c).

As the first grouting material 71 is partially cured and the second grouting material 72 is supplied through the sub injection pipe 23, the second grouting material 72 is supplied to the main injection pipe 22 The second opening 21 formed in the second opening 21 is torn and the second opening 21 is opened.

Then, the partially hardened first grouting material 71 is broken by the injection pressure of the second grouting material 72, and several pieces are inserted into the ground.

5 (d), the elevation member 24 and the sub-injection pipe 23 are raised, and the second grouting material 72 is again supplied through the sub-injection pipe 23 The second grouting material 72 breaks the first grouting material 71 through the second opening 21 at another position so that the debris is inserted into the ground.

Other details are the same as those of the first embodiment, and a detailed description thereof will be omitted.

Third Embodiment

6 is a structural view of a grouting apparatus for underground insertion according to a third embodiment of the present invention.

The third embodiment differs from the first and second embodiments in that the core 60 and the anchor member 65 are further included.

The core member 60 is made of reinforcing steel or steel wire and is disposed in parallel with the first injection pipe 10 and the second injection pipe 20 through the packer 30. [

The anchor member 65 is coupled to the end of the core 60 to increase the bonding force and the compressive strength with respect to the soft ground.

Further, the grouting material filled in the perforation hole is cemented to the anchor member 65, so that the grouting material is used for bulge enlargement, so that not only the reinforcement of the ground but also the tensile force of the anchor member 65 can be increased.

Other details are the same as those of the first embodiment or the second embodiment, and a detailed description thereof will be omitted.

The grouting apparatus and method for underground insertion according to the present invention are not limited to the above-described embodiments but can be variously modified within the scope of the technical idea of the present invention.

10: first injection tube, 11: first opening,
20: second injection pipe, 21: second open hole, 22: main injection pipe, 23: sub injection pipe, 24: lift member, 25:
31: packing member, 31: packing member, 31: upper packing material, 31: lower packing material, 31c: through hole, 31d: ,
40: Packer injection tube, 41: Third open hole,
50: overhose, 51: fourth opening ball,
60: core member, 65: anchor member,
71: first grouting material, 72: second grouting material, 73: filling material,
80: Perforated hole,

Claims (10)

delete A first injection pipe inserted into a perforation hole formed in the ground and having a first opening for supplying a first grouting material to the perforation hole;
A second injection pipe disposed in parallel with the first injection pipe and inserted into the perforation hole and having a second opening for supplying a second grouting material to the perforation hole;
A packer surrounding the first injection tube and the second injection tube;
And a packer injection tube having a third opening for supplying a filler to the inside of the packer,
The second opening is coupled to the second opening, and the second opening is closed until the second grouting material is supplied through the second injection pipe,
The packer includes:
An upper packing member through which the first injection pipe and the second injection pipe penetrate and a lower packing member through which the first injection pipe and the second injection pipe penetrate under the upper packing member;
An elastic tube which surrounds the upper packing material and the lower packing material spaced apart from each other and forms an empty space inside the upper packing material;
A rubber band surrounding the elastic tube at a position where the packing member is disposed;
A metal band surrounding the rubber band;
And a finishing tape surrounding the metal band,
Wherein the packing member is formed with a plurality of through holes through which the first injection pipe, the second injection pipe, and the packer injection pipe are inserted, each of the through holes being connected by folding,
Wherein the first injection pipe, the second injection pipe, and the packer injection pipe are inserted and arranged in the through hole with the through hole being opened along the incision. delete The method of claim 2,
Wherein the second injection tube comprises:
A main injection pipe disposed in parallel with the first injection pipe and having the second opening formed therein;
A sub injection pipe arranged inside the main injection pipe and injecting the second grouting material;
And an elevating member coupled to the sub-injection tube so as to surround the outer circumferential surface thereof and having an outer circumferential surface closely contacted with an inner circumferential surface of the main injection tube,
Wherein the sub-injection pipe moves up and down together with the elevating member inside the main injection pipe. The method of claim 2,
And an overhose having one end inserted into the perforation hole and the other end disposed outside the perforation hole,
The overhose is provided with a fourth opening disposed inside the packer,
Wherein the fourth open hole formed in the overhose is located above the third open hole formed in the packer injection tube. The method of claim 2,
A core that penetrates the packer and is disposed in parallel with the first injection tube and the second injection tube;
And an anchor member coupled to an end of the core member. delete A first injection step of injecting a first grouting material into the perforation hole through the first injection tube after inserting a first injection tube into the perforation hole formed in the ground;
Wherein when the first grouting material is injected into the perforation hole by the first injection step, a filler is supplied to the inside of the packer wrapping the first injection tube so that the outer surface of the packer is brought into close contact with the inner circumferential surface of the perforation hole, An expansion step;
Wherein when the outer circumferential surface of the packer is closely contacted with the inner circumferential surface of the perforation hole by the packer expansion step, the second grouting material is injected into the perforation hole by using a second injection pipe arranged in parallel with the first injection pipe, An injecting step,
A second opening formed in the second injection tube is closed until the first injection step and the packer expansion step are performed and is opened when the second grouting material is injected in the second injection step,
Wherein the second injection step is performed when the first grouting material injected into the perforation hole is partially cured,
Wherein the second grouting material is injected into the perforation hole by the second injection step so that the partially hardened first grouting material is broken and the debris is inserted into the ground. delete delete
KR1020150098482A 2015-07-10 2015-07-10 Grouting apparatus and method of the same KR101771670B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150098482A KR101771670B1 (en) 2015-07-10 2015-07-10 Grouting apparatus and method of the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150098482A KR101771670B1 (en) 2015-07-10 2015-07-10 Grouting apparatus and method of the same

Publications (2)

Publication Number Publication Date
KR20170006974A KR20170006974A (en) 2017-01-18
KR101771670B1 true KR101771670B1 (en) 2017-08-29

Family

ID=57992319

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150098482A KR101771670B1 (en) 2015-07-10 2015-07-10 Grouting apparatus and method of the same

Country Status (1)

Country Link
KR (1) KR101771670B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102000598B1 (en) * 2018-11-12 2019-07-16 임사인 Packer assembly, grout injection device of tunnel using the same, and slope reinforcement method of tunnel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102445019B1 (en) * 2022-08-23 2022-09-21 휘성개발 주식회사 Soil nail for retaining wall structure with improved grout filling and fixing performance

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004027813A (en) * 2002-06-22 2004-01-29 Korea Land Corp Packer for pressure type soil nailing and method of soil nailing using it
KR200443194Y1 (en) * 2008-06-13 2009-01-21 무풍건설주식회사 Injection pipe of hardening time adjustable grouting device
KR101175741B1 (en) * 2012-04-16 2012-08-21 지반이엔씨 주식회사 Double grouting injection module and earth reinforcing method using the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020085119A (en) 2001-05-04 2002-11-16 김명원 Pipe-tube type anchor and nailling process using the anchor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004027813A (en) * 2002-06-22 2004-01-29 Korea Land Corp Packer for pressure type soil nailing and method of soil nailing using it
KR200443194Y1 (en) * 2008-06-13 2009-01-21 무풍건설주식회사 Injection pipe of hardening time adjustable grouting device
KR101175741B1 (en) * 2012-04-16 2012-08-21 지반이엔씨 주식회사 Double grouting injection module and earth reinforcing method using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102000598B1 (en) * 2018-11-12 2019-07-16 임사인 Packer assembly, grout injection device of tunnel using the same, and slope reinforcement method of tunnel

Also Published As

Publication number Publication date
KR20170006974A (en) 2017-01-18

Similar Documents

Publication Publication Date Title
KR101070072B1 (en) A multistaged equipment of pipe grouting by double packer system and its construction
KR102061167B1 (en) Grouting apparatus with improved caulking and sealing function and tunnel reinforcement method using the same
US9988784B2 (en) Rapid pier
KR101642916B1 (en) Waterproof method and system of earth retaining wall using jacket barrier wall packer preventing ground subsidence
KR100859872B1 (en) An anchor equipped winding fixation-packer and constructing method thereof
KR101539031B1 (en) Pack-mounted Reinforcing Structure
JP5950672B2 (en) Spring water stop method
KR101045727B1 (en) A multistaged equipment of pipe grouting by double packer system and its constructing method
KR100766450B1 (en) The anchor construction method in soft ground of gaving used the foundation fixing anchor and this shich consisted of fixing supporter
KR101544139B1 (en) Micropile fixed in the soil by Pressure Injection Grouting and Construction Method thereof
KR101023477B1 (en) Pressed grouting soil nailing body
KR101771670B1 (en) Grouting apparatus and method of the same
KR101276572B1 (en) Pressurizing grouting type soil nailing and method for reinforcing slope using thereof
KR102012708B1 (en) Tunnel construction method by advanced simultaneous injection
KR100437910B1 (en) grouting apparatus for earth anchor using compound packer and earth anchor construction method using the same
KR101056416B1 (en) Soil nailing method using the packer
KR100557010B1 (en) Earth anchor including a duplex grouting pipe and the earth anchor construction method using the same
KR101056417B1 (en) Packer of the soil-nailing
KR100914962B1 (en) Multi-stage type appratus for injecting reinforcement and method for injecting reinforcement
KR102119151B1 (en) A grouting injection pipe and grouting construction method using the same
KR100588606B1 (en) Multi in-situ packer set for deep depth grouting hole and grouting method
KR101988460B1 (en) pressure grouting method using high molecular compound absorber packer
KR101230014B1 (en) The ground reinforcement apparatus
KR101679394B1 (en) Expandable pack anchor equipped with protrusion type fixing unit
KR101110274B1 (en) Calking assembly for recycling and tunnel reinforcement method using it

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant