KR20090113575A - Earth anchor and construction method of the same - Google Patents

Earth anchor and construction method of the same Download PDF

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Publication number
KR20090113575A
KR20090113575A KR1020080039371A KR20080039371A KR20090113575A KR 20090113575 A KR20090113575 A KR 20090113575A KR 1020080039371 A KR1020080039371 A KR 1020080039371A KR 20080039371 A KR20080039371 A KR 20080039371A KR 20090113575 A KR20090113575 A KR 20090113575A
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South Korea
Prior art keywords
hole
injection material
injection
anchor
earth anchor
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KR1020080039371A
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Korean (ko)
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KR101002395B1 (en
Inventor
김진섭
송기방
김응일
Original Assignee
신원특수건설(주)
서천건설(주)
(유)초당지질
김진섭
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Priority to KR1020080039371A priority Critical patent/KR101002395B1/en
Publication of KR20090113575A publication Critical patent/KR20090113575A/en
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    • 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
    • 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
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/62—Compacting the soil at the footing or in or along a casing by forcing cement or like material through tubes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
    • E21B33/1285—Packers; Plugs with a member expanded radially by axial pressure by fluid pressure

Abstract

PURPOSE: An earth anchor and a construction method thereof are provided to prevent the outflow of the grout material injected into a perforated hole in construction. CONSTITUTION: An earth anchor(10) is composed of an anchor body(20), an outflow prevention unit(30), and an injection material injection unit(40). The anchor body is inserted in a perforated hole. The anchor body with an injection material(6) like cement mortar or cement milk reinforces a ground(2). The injection material is injected into the perforated hole of the ground. The outflow prevention unit is installed to tightly shut the perforated hole before injecting the injection material and prevents the outflow of the injection material. The injection material injection unit is installed to be able to inject the injection material into the perforated hole.

Description

어스 앵커 및 그 시공방법{EARTH ANCHOR AND CONSTRUCTION METHOD OF THE SAME}Earth anchor and construction method {EARTH ANCHOR AND CONSTRUCTION METHOD OF THE SAME}

본 발명은 건설, 토목 분야에 관한 것으로서, 보다 상세하게는 사면이나 건물, 교량의 붕괴 등을 방지하기 위해 지반을 보강하는 어스 앵커 및 그 시공방법에 관한 것이다.The present invention relates to the field of construction and civil engineering, and more particularly, to an earth anchor and a construction method for reinforcing the ground to prevent the collapse of slopes, buildings, bridges, and the like.

도 1은 종래 기술에 따른 어스 앵커의 시공 모식도이다.1 is a schematic view showing the construction of an earth anchor according to the prior art.

도 1에 도시된 바와 같이, 먼저 지반에 어스 앵커 시공을 위한 천공 홀을 천공한 후, 천공 홀에 시멘트 밀크 또는 시멘트 몰탈 등의 주입재와 함께 앵커체를 근입하여, 주입재에 의해 지중에 고결체를 형성함과 아울러 이 고결체에 앵커체를 정착시키면, 어스 앵커가 시공된다.As shown in FIG. 1, first, after drilling a hole for earth anchor construction in the ground, the anchor body is introduced together with an injection material such as cement milk or cement mortar into the hole, and a solidified body is formed in the ground by the injection material. When the anchor body is fixed to the solidified body, the earth anchor is constructed.

그런데, 어스 앵커의 시공시 주입재가 중력이나 암반 등에 의해 천공 홀을 통해 흘러나오는 문제점이 있다. 즉, 일 예로써 천공 홀이 상향 천공된 경우, 주입재가 중력에 의해 흘러나오고 있는 실정이다. However, there is a problem that the injection material flows through the drilled hole due to gravity or rock during construction of the earth anchor. That is, as an example, when the drilling hole is upwardly drilled, the injection material flows out by gravity.

따라서, 상술한 경우를 포함하여 어떠한 경우에도, 천공 홀에 주입된 주입재가 유출되는 것을 방지할 수 있는 방안이 절실히 요구되고 있다.Therefore, in any case including the above-described case, there is an urgent need for a method for preventing the injection of the injection material injected into the drilling hole.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 시공시 천공 홀에 주입된 주입재가 유출되는 것을 방지할 수 있는 어스 앵커 및 그 시공방법을 제공함을 그 목적으로 한다.The present invention has been made to solve the above problems, and an object of the present invention is to provide an earth anchor and a construction method that can prevent the injection material injected into the drilling hole during the construction outflow.

상기한 과제를 해결하기 위해 본 발명은 지반의 천공 홀에 주입된 주입재와 함께 상기 지반을 보강하도록, 상기 천공 홀에 근입되는 앵커체; 상기 주입재의 유출을 방지할 수 있도록 상기 주입재의 주입 전에 상기 천공 홀을 밀폐할 수 있도록 설치되는 유출방지부; 상기 밀폐된 천공 홀에 상기 주입재를 주입할 수 있도록 설치되는 주입재 주입부;를 포함하는 어스 앵커를 제시한다.In order to solve the above problems, the present invention is anchored to the drilling hole to reinforce the ground with the injection material injected into the drilling hole of the ground; An outflow prevention part installed to seal the perforation hole before the injection of the injection material to prevent the injection of the injection material; Presenting an earth anchor comprising a; injection material injection portion is installed to be able to inject the injection material in the sealed drilling hole.

상기 유출방지부는 상기 천공 홀의 입구에 위치되도록 설치되는 것이 바람직하다.The leak prevention unit is preferably installed to be located at the inlet of the drilling hole.

상기 유출방지부는 상기 앵커체와 함께 상기 천공 홀에 근입하도록 설치되는 것이 바람직하다.It is preferable that the leakage preventing part is installed to enter the drilling hole together with the anchor body.

상기 유출방지부는 상기 천공 홀에 근입된 후 팽창되어 상기 천공 홀을 밀폐하는 팽창주머니; 상기 팽창주머니에 팽창제를 주입하여 팽창시킬 수 있도록 설치되는 팽창제 주입관;을 포함하는 것이 바람직하다.The outflow prevention part is expanded into the perforated hole and expanded to close the perforated hole; It is preferable to include; expander injection tube which is installed to inflate by expanding the inflating agent in the expansion bag.

상기 팽창제는 상기 주입재 또는 가스 또는 우레탄인 것이 바람직하다.Preferably, the expanding agent is the injection material or gas or urethane.

상기 팽창주머니는 상기 앵커체 및 상기 주입재 주입부에 둘러지도록 설치되는 것이 바람직하다.The expansion bag is preferably installed to surround the anchor body and the injection material injection portion.

또한 상기한 과제를 해결하기 위해 본 발명은 지반에 천공 홀을 형성하는 천공단계; 상기 천공 홀에 상기 앵커체를 근입하는 앵커체 근입단계; 상기 앵커체 근입 후, 상기 천공 홀에 주입재를 주입하는 통로를 제외하고 상기 유출방지부에 의해 상기 천공 홀을 밀폐시키는 천공 홀 밀폐단계; 상기 밀폐된 천공 홀에 상기 주입재를 주입하여 고결시키는 고결체 형성단계;를 포함하는 어스 앵커의 시공방법을 제시한다.In addition, in order to solve the above problems, the present invention provides a punching step of forming a punching hole in the ground; Anchoring step of indenting the anchor body into the drilling hole; A hole sealing step for sealing the hole by the outflow prevention part except for a passage for injecting an injection material into the hole, after the anchor body is entered; It proposes a construction method of the earth anchor comprising a; solidified body forming step of injecting and injecting the injection material in the sealed drilling hole.

상기 유출방지부는 상기 천공 홀의 입구에 근입되어 설치되고; 상기 천공 홀은 그 입구가 확장 형성된 것이 바람직하다.The leak prevention part is installed near the inlet of the drilling hole; Preferably, the drilling hole has an inlet formed therein.

상기 유출방지부는 상기 앵커체와 함께 상기 천공 홀에 근입한 후, 상기 천공 홀을 밀폐하는 것이 바람직하다.Preferably, the leakage preventing part closes the punched hole after approaching the punched hole together with the anchor body.

상기 유출방지부는 팽창하여 상기 천공 홀을 밀폐토록 형성되고; 상기 유출방지부의 팽창 압력에 의해 파단될 수 있는 강도의 재질에 의한 임시묶음부재에 의해 묶인 상태로, 상기 천공 홀에 근입하는 것이 바람직하다.The leakage preventing part is formed to expand and seal the perforation hole; It is preferable to approach the perforation hole in a state of being bound by a temporary bundle member made of a material of strength that can be broken by the expansion pressure of the spill prevention portion.

본 발명은 주입재 주입 전에 천공 홀이 밀폐됨으로써, 천공 홀에 주입된 주입재가 역류하여 유출되는 것이 방지될 수 있다.According to the present invention, the perforated hole is closed before the injection of the injection material, so that the injection material injected into the drilling hole can be prevented from flowing out backward.

이하, 첨부도면을 참조하여 본 발명의 실시예에 관하여 상세히 설명한다. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

본 발명에 따른 어스 앵커(10)는 지반(2)의 천공 홀(4)에 주입된 시멘트 몰탈 또는 시멘트 밀크와 같은 주입재(6)와 함께 지반(2)을 보강하도록 천공 홀(4)에 근입되는 앵커체(20)와, 주입재(6)의 유출을 방지할 수 있도록 주입재(6)의 주입 전에 천공 홀(4)을 밀폐할 수 있도록 설치되는 유출방지부(30)와, 밀폐된 천공 홀(4)에 주입재(6)를 주입할 수 있도록 설치되는 주입재 주입부(40);를 포함하여 구성된다.The earth anchor 10 according to the present invention enters the drilled hole 4 so as to reinforce the ground 2 together with the injection material 6 such as cement mortar or cement milk injected into the drilled hole 4 of the ground 2. The anchor body 20 to be prevented, the leak prevention portion 30 is installed to seal the punching hole 4 before the injection of the injection material 6 so as to prevent the outflow of the injection material 6, and the sealed hole It is configured to include; injection material injection portion 40 which is installed to inject the injection material (6) to (4).

따라서, 상술한 바와 같이 천공 홀(4)이 주입재(6) 주입 전에 밀폐됨으로써, 주입재(6) 주입시 주입재(6)가 중력, 암반 등에 의해 역류하여 유출되는 것이 방지될 수 있다.Therefore, as described above, the drilling hole 4 is closed before the injection of the injection material 6, so that the injection material 6 can be prevented from flowing out due to gravity, rock, or the like during injection of the injection material 6.

유출방지부(30)는 천공 홀(4) 밖에 설치될 수도 있지만, 본 실시 예와 같이 천공 홀(4)에 근입하여 설치됨으로써 천공 홀(4)이 좀더 견실하게 밀폐될 수 있어 더 바람직하다. 이때 유출방지부(30)는 천공 홀(4)에 근입되어 설치되되, 주입재(6)의 주입을 방해하지 않도록 천공 홀(4)의 입구에 위치되도록 설치되는 것이 바람직하다.The leak prevention part 30 may be installed outside the drilling hole 4, but is installed in the drilling hole 4 as in the present embodiment, so that the drilling hole 4 may be tightly sealed more preferably. At this time, the spill prevention portion 30 is installed in the perforated hole 4, it is preferable to be installed to be located at the inlet of the perforated hole 4 so as not to interfere with the injection of the injection material (6).

유출방지부(30)는 단독으로 설치될 수도 있지만, 본 실시 예와 같이 앵커체(20)와 함께 천공 홀(4)에 근입되도록 설치됨으로써 시공 작업 및 유출방지부(30)의 설치 위치 관리가 용이하고 앵커체(20)와의 사이를 통한 주입재(6) 유출이 방지될 수 있다.The leak prevention part 30 may be installed alone, but as installed in the drilling hole 4 together with the anchor body 20 as in the present embodiment, the construction work and the installation position management of the leak prevention part 30 may be performed. It is easy and the outflow of the injection material 6 through the anchor body 20 can be prevented.

유출방지부(30)는 천공 홀(4)에 근입된 후 팽창되어 천공 홀(4)을 밀폐하는 팽창주머니(32)와, 팽창주머니(32)에 팽창제를 주입하여 팽창시킬 수 있도록 설치되는 팽창제 주입관(34)을 포함하여 구성될 수 있다. The outflow prevention part 30 enters the drilling hole 4 and expands and expands to expand the injection bag 32 to seal the drilling hole 4 and to inflate the expansion bag 32 by injecting the expansion agent therein. It may be configured to include an injection tube (34).

따라서, 유출방지부(30)는 천공 홀(4)에 근입될 때까지는 팽창되지 않음으로써 천공 홀(4)에 쉽게 근입될 수 있고, 천공 홀(4)에 근입된 후에는 팽창됨으로써 틈새없이 천공 홀(4)에 밀착될 수 있다. Therefore, the outflow prevention part 30 can be easily entered into the drilling hole 4 by not expanding until it enters the drilling hole 4, and can be drilled without gap by expanding after entering the drilling hole 4. It may be in close contact with the hole 4.

이때 팽창주머니(32)는 팽창제에 의해 용이하게 팽창되되, 그 팽창력을 견딜 수 있는 강도의 재질이라면, 무엇이든 가능하다.At this time, the expansion bag 32 is easily inflated by the expansion agent, as long as it is a material of strength that can withstand the expansion force, anything is possible.

팽창주머니(32)는 앵커체(20) 및 주입재 주입부(40)와 견실하게 결합되어 천공 홀(4)을 확실하게 밀폐시킬 수 있도록, 앵커체(20) 및 주입재 주입부(40)에 둘러지도록 설치되는 것이 바람직하다.The expansion bag 32 is securely coupled to the anchor body 20 and the injection material injection part 40 to surround the anchor body 20 and the injection material injection part 40 so as to securely seal the punching hole 4. It is desirable to install so that.

팽창제는 팽창주머니(32)를 팽창시키는데 쉽게 이용될 수 있다면 어떠한 것이든 가능하며, 고결체를 형성할 수 있도록 상기의 시멘트 밀크 또는 시멘트 몰탈과 같은 주입재(6)인 것도 바람직하다. 팽창제는 이외에도 압축공기와 같은 가스 또는 우레탄과 충진재도 바람직하다.The expanding agent can be any type that can be easily used to inflate the expansion bag 32, and it is also preferable that it is an injection material 6 such as cement milk or cement mortar as described above to form a solidified body. In addition to the expanding agent, gas such as compressed air or urethane and fillers are also preferred.

물론, 유출방지부(30)는 이외에도 다양한 방법으로 구현될 수 있다. 즉, 유출방지부(30)는 스펀지와 같은 탄성체로 구성되거나 천공 홀(4)을 덮을 수 있는 마개 형상으로 형성되어 천공 홀(4)에 근입됨과 동시에 천공 홀(4)을 밀폐시킬 수도 있다.Of course, the leak prevention unit 30 may be implemented in various ways in addition to. That is, the leakage preventing part 30 may be formed of an elastic body such as a sponge or may be formed in a plug shape to cover the drilling hole 4 so as to enter the drilling hole 4 and seal the drilling hole 4 at the same time.

주입재 주입부(40)는 유출방지부(30)의 팽창주머니(32)에 의해 둘려지도록 설치되어 주입재(6)가 주입되는 주입재 주입관(42)과, 주입재 주입관(42)을 통한 주입재(6)의 역류를 방지할 수 있도록 설치되는 일방향 밸브 등을 포함하여 구성될 수 있다.The injection material injection part 40 is installed to be surrounded by the expansion bag 32 of the spill prevention part 30, and the injection material injection pipe 42 into which the injection material 6 is injected, and the injection material through the injection material injection pipe 42 ( It may be configured to include a one-way valve and the like installed to prevent the reverse flow of 6).

이하, 상기와 같이 구성된 어스 앵커(10)를 지반(2)에 시공하는 방법을 상세히 설명한다.Hereinafter, the method of constructing the earth anchor 10 configured as described above on the ground 2 will be described in detail.

어스 앵커(10)의 시공방법은, 지반(2)에 천공 홀(4)을 형성하는 천공단계(도 1 참조)와; 천공 홀(4)에 앵커체(20)를 근입하는 앵커체 근입단계(도 2참조)와, 앵커체(20) 근입 후 천공 홀(4)에 주입재(6)를 주입하는 통로를 제외하고 유출방지부(30)에 의해 천공 홀(4)을 밀폐시키는 천공 홀 밀폐단계(도 3참조)와, 밀폐된 천공 홀(4)에 주입재(6)를 주입하여 고결시키는 고결체 형성단계(도 4 참조)를 포함하여 이루어질 수 있다. The construction method of the earth anchor 10 includes a drilling step (see Fig. 1) for forming a drilling hole 4 in the ground (2); Except for the anchor body incorporation step (see FIG. 2) to inject the anchor body 20 into the drilling hole 4, and the passage for injecting the injection material 6 into the drilling hole 4 after the anchor body 20 is indented. A step of sealing the punched hole (see FIG. 3) to seal the punched hole 4 by the outflow prevention part 30, and a step of forming a solidified body to inject and solidify the injection material 6 into the sealed punched hole 4 (FIG. 3). 4).

천공단계에서는 천공 홀(4)의 입구가 확장된 형상을 갖도록 천공 홀(4)이 천공될 수 있다. In the drilling step, the drilling hole 4 may be drilled so that the entrance of the drilling hole 4 has an expanded shape.

그러면 유출방지부(30)의 근입을 위하여 천공 홀(4) 전체가 불필요하게 앵커체(20) 근입을 위한 크기보다 확장 형성될 필요가 없어 바람직하다. 또한 천공 홀(4)이 보다 견실하게 밀폐될 수 있어 바람직하다. 또한 연약지반(2)인 경우, 천공 홀(4)에 주입된 주입재(6)가 천공 홀(4) 주변 지반(2)에 유입되어 흘러나오는데, 이 경우에도 주입재(6) 유출이 방지될 수 있어 바람직하다.Then, it is preferable that the entire drilling hole 4 does not need to be formed to be larger than the size for the anchor body 20 to be unnecessarily formed in order to access the spill prevention part 30. It is also preferable that the perforation hole 4 can be tightly sealed. In addition, in the case of the soft ground (2), the injection material 6 injected into the drilling hole (4) flows into and flows into the ground (2) around the drilling hole (4), even in this case the leakage of the injection material (6) can be prevented It is preferable.

유출방지부(30)는 상술한 바와 같이 앵커체(20)와 함께 천공 홀(4)에 근입된 후, 천공 홀(4)을 밀폐시키는 것이 더 바람직하다.It is more preferable that the leak prevention part 30 closes the punching hole 4 after being approached to the punching hole 4 together with the anchor body 20 as described above.

이때, 유출방지부(30)는 펄렁거리지 않고 천공 홀(4)에 보다 용이하게 근입될 수 있도록, 임시묶음부재(36)에 의해 앵커체(20)에 묶임 상태인 것이 바람직하다. 임시묶음부재는 유출방지부(30)의 팽창이 가능토록, 유출방지부(30)의 팽창 압력에 의해 파단될 수 있는 강도의 재질로 형성되는 것이 바람직하다.At this time, the spill prevention portion 30 is preferably bound to the anchor body 20 by the temporary bundle member 36 so that it can be more easily entered into the drilling hole 4 without fluttering. Temporary bundle member is preferably formed of a material of strength that can be broken by the expansion pressure of the spill prevention portion 30 so that the outflow prevention portion 30 can be expanded.

한편, 주입관 주입부(40)는 단독으로 천공 홀(4)에 근입되어 설치될 수도 있지만, 본 실시 예와 같이 앵커체(20) 및 유출방지부(30)와 일체화되어 함께 천공 홀(4)에 근입되는 설치되는 것이 더 바람직하다.On the other hand, the injection pipe injection portion 40 may be installed in the perforated hole 4 alone, but as the embodiment is integrated with the anchor body 20 and the leak-proof portion 30, the perforated hole 4 together It is more preferable to be installed based on).

한편, 상기한 바와 같은 본 발명에 따른 어스 앵커는 가설앵커, 영구앵커, 마이크로파일관을 비롯하여 FRP다단관, FRP소일네일링관, 락볼트관, 압입볼트관 등에 적합하게 적용될 수 있다.Meanwhile, the earth anchor according to the present invention as described above may be suitably applied to a temporary anchor, permanent anchor, micro pile pipe, FRP multi-stage pipe, FRP soil nailing pipe, rock bolt pipe, press-fit bolt pipe.

그리고 본 발명에 따른 어스 앵커는 친환경 측면을 고려하여 FRP 재질로 형성되는 것이 바람직하다.And the earth anchor according to the present invention is preferably formed of FRP material in consideration of environmentally friendly aspects.

이상은 본 발명에 의해 구현될 수 있는 바람직한 실시예의 일부에 관하여 설명한 것에 불과하므로, 주지된 바와 같이 본 발명의 범위는 위의 실시예에 한정되어 해석되어서는 안 될 것이며, 위에서 설명된 본 발명의 기술적 사상과 그 근본을 함께 하는 기술적 사상은 모두 본 발명의 범위에 포함된다고 할 것이다. Since the above has been described only with respect to some of the preferred embodiments that can be implemented by the present invention, the scope of the present invention, as is well known, should not be construed as limited to the above embodiments, the present invention described above It will be said that both the technical idea and the technical idea which together with the base are included in the scope of the present invention.

도 1 이하는 본 발명에 따른 어스 앵커 및 그 시공방법의 시공 예를 도시한 것으로서,1 is a view showing a construction example of the earth anchor and the construction method according to the present invention,

도 1은 천공단계를 도시한 도면,1 is a view showing a drilling step,

도 2는 앵커체와 유출방지부의 근입단계를 도시한 도면,Figure 2 is a view showing the indentation step of the anchor body and the leakage prevention portion,

도 3은 천공 홀 밀폐단계를 도시한 도면,3 is a view showing a hole sealing step;

도 4는 고결체 형성단계를 도시한 도면이다.4 is a diagram illustrating a step of forming a solid body.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

2; 지반 4; 천공홀2; Ground 4; Drill hole

6; 주입재 10; 어스앵커6; Injection material 10; Earth anchor

20; 앵커체 30; 유출방지부20; Anchor body 30; Spill Prevention Section

32; 팽창제 주머니 34; 팽창제 주입관32; Inflator pouch 34; Inflator injection tube

40; 주입제 주입부40; Injection

Claims (10)

지반의 천공 홀에 주입된 주입재와 함께 상기 지반을 보강하도록, 상기 천공 홀에 근입되는 앵커체;An anchor body approaching the boring hole to reinforce the ground with the injection material injected into the boring hole of the ground; 상기 주입재의 유출을 방지할 수 있도록 상기 주입재의 주입 전에 상기 천공 홀을 밀폐할 수 있도록 설치되는 유출방지부;An outflow prevention part installed to seal the perforation hole before the injection of the injection material to prevent the injection of the injection material; 상기 밀폐된 천공 홀에 상기 주입재를 주입할 수 있도록 설치되는 주입재 주입부;An injection material injection unit installed to inject the injection material into the sealed drilling hole; 를 포함하는 어스 앵커.Earth anchor comprising a. 청구항 1에 있어서,The method according to claim 1, 상기 유출방지부는 상기 천공 홀의 입구에 위치되도록 설치되는 것을 특징으로 하는 어스 앵커.Earth leakage characterized in that the leakage prevention portion is installed to be located at the entrance of the drilling hole. 청구항 1에 있어서,The method according to claim 1, 상기 유출방지부는 상기 앵커체와 함께 상기 천공 홀에 근입하도록 설치되는 것을 특징으로 하는 어스 앵커.The outflow prevention portion is earth anchor, characterized in that it is installed to enter the drilling hole together with the anchor body. 청구항 1에 있어서,The method according to claim 1, 상기 유출방지부는 상기 천공 홀에 근입된 후 팽창되어 상기 천공 홀을 밀폐하는 팽창주머니;The outflow prevention part is expanded into the perforated hole and expanded to close the perforated hole; 상기 팽창주머니에 팽창제를 주입하여 팽창시킬 수 있도록 설치되는 팽창제 주입관;An inflating agent inlet tube installed to inflate the inflating agent by inflating the inflating agent; 을 포함하는 것을 특징으로 하는 어스 앵커.Earth anchors comprising a. 청구항 4에 있어서,The method according to claim 4, 상기 팽창제는 상기 주입재 또는 가스 또는 우레탄인 것을 특징으로 하는 어스 앵커.The expanding agent is an earth anchor, characterized in that the injection material or gas or urethane. 청구항 4에 있어서,The method according to claim 4, 상기 팽창주머니는 상기 앵커체 및 상기 주입재 주입부에 둘러지도록 설치되는 것을 특징으로 하는 어스 앵커.The expansion bag is an earth anchor, characterized in that installed to surround the anchor body and the injection material injection portion. 청구항 1 내지 청구항 6 중 어느 한 항의 어스 앵커를 시공하는 방법에 관한 것으로서, A method of constructing the earth anchor of any one of claims 1 to 6, 지반에 천공 홀을 형성하는 천공단계;A drilling step of forming a drilling hole in the ground; 상기 천공 홀에 상기 앵커체를 근입하는 앵커체 근입단계;Anchoring step of indenting the anchor body into the drilling hole; 상기 앵커체 근입 후, 상기 천공 홀에 주입재를 주입하는 통로를 제외하고 상기 유출방지부에 의해 상기 천공 홀을 밀폐시키는 천공 홀 밀폐단계;A hole sealing step for sealing the hole by the outflow prevention part except for a passage for injecting an injection material into the hole, after the anchor body is entered; 상기 밀폐된 천공 홀에 상기 주입재를 주입하여 고결시키는 고결체 형성단계;A solidified body forming step of injecting and injecting the injection material into the sealed hole; 를 포함하는 어스 앵커의 시공방법.Earth anchor construction method comprising a. 청구항 7에 있어서,The method according to claim 7, 상기 유출방지부는 상기 천공 홀의 입구에 근입되어 설치되고;The leak prevention part is installed near the inlet of the drilling hole; 상기 천공 홀은 그 입구가 확장 형성된 것을 특징으로 하는 어스 앵커의 시공방법.The drilling hole is a construction method of the earth anchor, characterized in that the inlet is expanded. 청구항 7에 있어서,The method according to claim 7, 상기 유출방지부는 상기 앵커체와 함께 상기 천공 홀에 근입한 후, 상기 천공 홀을 밀폐하는 것을 특징으로 하는 어스 앵커의 시공방법.The outflow prevention part is installed in the drilling hole together with the anchor body, and the construction method of the earth anchor, characterized in that for sealing the drilling hole. 청구항 7에 있어서,The method according to claim 7, 상기 유출방지부는 팽창하여 상기 천공 홀을 밀폐토록 형성되고; The leakage preventing part is formed to expand and seal the perforation hole; 상기 유출방지부의 팽창 압력에 의해 파단될 수 있는 강도의 재질에 의한 임시묶음부재에 의해 묶인 상태로, 상기 천공 홀에 근입하는 것을 특징으로 하는 어스 앵커의 시공방법.Earth anchor construction method, characterized in that the entry into the drilled hole in the state bound by the temporary bundle member made of a material of strength that can be broken by the expansion pressure of the spill prevention portion.
KR1020080039371A 2008-04-28 2008-04-28 Construction method of earth anchor KR101002395B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638628A (en) * 2016-04-29 2017-05-10 杜华 Soft rhizome-nelumbinis-shaped anchor rod

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JPH10266200A (en) 1997-03-28 1998-10-06 Moriya Koki Kk Preparation method of ground anchor, preparation method of lock bolt and these pressure-receiving structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638628A (en) * 2016-04-29 2017-05-10 杜华 Soft rhizome-nelumbinis-shaped anchor rod

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