WO2012026643A1 - Fixing device for earth anchor - Google Patents

Fixing device for earth anchor Download PDF

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Publication number
WO2012026643A1
WO2012026643A1 PCT/KR2010/005833 KR2010005833W WO2012026643A1 WO 2012026643 A1 WO2012026643 A1 WO 2012026643A1 KR 2010005833 W KR2010005833 W KR 2010005833W WO 2012026643 A1 WO2012026643 A1 WO 2012026643A1
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WO
WIPO (PCT)
Prior art keywords
anchor
fixing device
bolt
hexagon wrench
coupled
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PCT/KR2010/005833
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French (fr)
Korean (ko)
Inventor
신동은
Original Assignee
Shin Dong Eun
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Publication date
Application filed by Shin Dong Eun filed Critical Shin Dong Eun
Publication of WO2012026643A1 publication Critical patent/WO2012026643A1/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
    • E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor

Definitions

  • the present invention relates to an anchor anchor for an earth anchor, and more particularly, an anchor anchor which improves the coupling structure of the anchorage to provide more stable construction, and also improves the internal structure of the anchorage to facilitate the removal and retension of the strand wire. It is about a dragon anchorage.
  • earth anchors are used to connect a civil or construction structure to the ground with a tensile material such as strand, so that the structural force can be applied to the structure in the lateral or vertical direction, or a preload can be applied to the earth wall, transmission tower foundation, dam or slope reinforcement. It is used for a purpose.
  • the earth anchor forms an anchor hole 3 into the ground 2 through the structure 1, and the strand wire 6 coupled to the anchorage 4 in the anchor hole 3.
  • the cladding tube 5 formed on the outside of the insulator is inserted and fixed with the cement grout 7, the stranded wire 6 drawn outward is pulled outward and coupled to the structure 1 with a large tensile load applied thereto. ) To the ground (2).
  • the wire strand fixing device (8) of the metal material is applied to the outer circumferential surface of the body made of a substantially cylindrical A plurality of ribs for increasing are formed at predetermined intervals, and the receiving groove into which the covering pipe 5 is inserted is formed in the longitudinal direction.
  • the strand wire fixture 8 is inserted into the strand (6) in the receiving groove is fixed by tying a metal tie band, the strand 6 is not in direct contact with the grout (7) for the transmission of the tensile load and to prevent corrosion. It is installed in the state inserted into the coating pipe 5 made of synthetic resin.
  • the anchorage screwed to the lower side of the strand anchorage has a problem that the fixing position is fixed when the anchoring surface is in close contact with the bottom or side of the anchor hole.
  • the wedge anchorage is widely used in the earth anchor to ensure the connection with the tension member.
  • Such a conventional anchorage has a complicated structure of releasing the wedge, and thus it is not easy to remove the stranded wire. When inserted or transported, the strand is separated from the wedge and there is a problem that cannot be re-tensioned.
  • the present invention is to solve the above problems, and an object of the present invention is to provide an anchor anchor for an anchor that can be more stable construction by fixing firmly by the support member of the anchor.
  • another object of the present invention is to provide a ground anchor anchor for the wedge can be easily removed, the re-tension can be easily removed.
  • Earth anchor anchoring device is a ground anchor anchorage in which two are coupled side by side on the lower side of the strand anchorage is fixed a plurality of strands, the outer peripheral surface of the anchorage is formed with a coupling groove, penetrated between the two coupling grooves
  • the support member is coupled by a bolt, and the support member is provided with a coupling hole through which the bolt penetrates, and a pair of brackets are formed at opposite intervals, and is formed perpendicularly to the lower side of the bracket, and the lower end of the expansion pack is coupled to the anchor at the bottom.
  • the support bar is coupled to the support plate in close contact with the bottom surface of the ball.
  • the anchor anchor for the anchor according to the present invention, even if the support member is firmly fixed to the anchorage to hit the bottom surface of the anchor hole close contact there is an effect that can be more stable construction because the engagement position of the anchorage is not misaligned.
  • the wedge is simply released by rotating the strand wire inserted into the head of the hexagonal wrench bolt, thereby making it easier to remove the strand wire from the anchorage, and by rotating the strand strand in reverse or by inserting the strand wire into the anchor hole, the first spring.
  • the elasticity of the re-tension can be easily effected.
  • Figure 2 is a front view showing a coupling state of the anchor anchor fixture and the support member according to the present invention.
  • Figure 3 is a perspective view showing a support member according to the present invention.
  • Figure 4 is a side view showing a coupling state of the anchor anchor supporter and the support member according to the present invention.
  • FIG. 5 is a cross-sectional view showing the anchor for the anchor anchor according to the present invention.
  • Figure 6 is a cross-sectional view showing a state in which the strand is coupled or re-tensioned to the anchor anchor for the present invention.
  • Figure 7 is a cross-sectional view showing a state in which the wedge is released from the anchor for the anchor anchor of the present invention.
  • FIG. 8 is a cross-sectional view showing a state in which the strand is removed from the anchor anchor for the earth of the present invention.
  • the anchor anchoring device of the present invention is screwed side by side to the lower side of the stranding wire fixing device 8 to which the plurality of stranding wires 6 are fixed, and the outer peripheral surface of the lower end of the fixing device 100.
  • Coupling groove 25 is formed.
  • a bolt is inserted between the two coupling grooves 25 to fix the support member 60 to the mounting hole 100.
  • the fixing unit 100 is firmly fixed by the support member 60, so even when the anchor hole is installed in a state in which the anchor hole is in close contact with the bottom surface, the installation position of the fixing unit 100 is not misaligned. can do.
  • the support member 60 forms a front and rear gap so that the strand wire fixing tool 8 can be coupled therebetween, and the bracket 61 is formed to face the upper end of the bracket 61.
  • the coupling hole 62 is formed so that the fixing member such as a bolt can pass therethrough.
  • the support bar 63 is vertically formed at the lower side of the bracket 61 so as to be easily sealed by coupling the lower end of the expansion pack (not shown), and the support plate 64 is formed at the bottom of the support bar 63. It is joined by this welding.
  • the support plate 64 is a portion that is in close contact with the bottom of the anchor hole when the earth anchor is constructed, and supports the bottom surface of the anchor hole to prevent the bottom surface of the anchor hole from sinking by the load of the earth anchor.
  • the support member 60 configured as described above is coupled to the anchorage 100 as shown in FIG. 4, and the bolts passing through the coupling hole 62 pass through the coupling groove 25 formed between the two anchorages 100. Is fixed with a nut.
  • the fixing unit 100 and the supporting member 60 are simply fixed by one bolt and nut, thereby being firmly coupled to allow more stable construction.
  • the fixing unit 100 of the present invention as shown in Figure 5, the housing 10, the housing cover 20 is screwed to the housing 10, and is coupled to the inside of the housing 10 Wedge 30, the hexagonal wrench bolt 40 is coupled to the wedge 30, and the movable member 50 which is opposed to the hexagonal wrench bolt 40 is configured to include.
  • the front of the housing 10 is coupled with a packing member 12 for preventing the inflow of foreign matter in the pipe 11 to protect the strand 6 from the grouting pour after underground laying work of the strand (6). It is.
  • the inner slope of the housing 10, the film 13 is coupled to facilitate the movement of the wedge 30, the film 13 is rust or bite of the wedge 30 and the housing 10 It is preferable to be made of synthetic resin material to prevent the phenomenon.
  • the housing cover 20 is screwed to the rear side of the housing 10, and the first moving space 21 is formed inside the housing cover 20 to allow the hexagon wrench bolt 40 to move up and down. have.
  • a stepped portion 22 is formed below the first moving space 21, and a second moving space 23 is formed below the stepped 22 so that the moving member 50 can move up and down. Formed.
  • an insertion groove 24 is formed at one side of the bottom surface of the second moving space 23, and a fixed female screw part 25 penetrated to the outside is formed at the center of the bottom surface of the second moving space 23.
  • the wedge 30 is coupled to the inner inclined surface of the housing 10, the wedge 30 is formed three radially separated from each other, which is a general configuration that is commonly used in the art, detailed description Is omitted.
  • the wedge 30 is formed so that the tip is inclined so as to be in close contact with the film 13 coupled to the inner side of the housing 10, the outer circumferential surface is fixed to each wedge 30 and to maintain a uniform distance
  • the fixing ring 31 is coupled to be able to.
  • the stepped portion 32 is formed on the inner side of the wedge 30, the wing portion 41 formed on the upper side of the hexagon wrench bolt 40 is coupled to the stepped portion 32.
  • the hexagon wrench bolt 40 coupled to the wedge 30 is positioned in the first moving space 21.
  • the washer 42 is coupled to the lower side of the head of the hexagon wrench bolt 40.
  • the lower side of the washer 42 is provided with a first spring 43, the bottom of which is seated on the step 22 of the housing cover 20, the first spring 43 is a wedge 30 and a hexagon wrench bolt An elastic force is imparted so that the 40 can always be directed upward.
  • the hex wrench bolt 40 is provided with the movable member 50 against the lower side, the movable member 50 is formed in a flange shape provided with a moving female threaded portion 51 in the inner side, of the movable member 50
  • the insertion hole 52 is formed at one side of the lower end.
  • the moving member 50 is positioned in the second moving space 23 while being in contact with the hexagon wrench bolt 40, and the moving member 50 is further above the second moving space 23.
  • the stopper 53 which cuts off so that it may not raise abnormally is provided.
  • the lower side of the moving member 50 is provided with a second spring 54, the bottom of which is seated on the bottom surface of the second moving space 23, the insertion projections on the upper side and the lower side of the second spring (54). 54a is formed.
  • the insertion protrusion 54a is inserted into the insertion groove 24 of the second moving space 23 and the insertion hole 52 of the moving member 50, which is the second spring 54 and the moving member.
  • the movable member 50 can smoothly move in the second moving space 23.
  • the strand 6 inserted from the front surface of the housing 10 penetrates through the center of the wedge 30 installed inside the housing 10 and head of the hexagon wrench bolt 40. Is inserted into
  • the strand 6 is fixed to the inside of the wedge 30 while the wedge 30 and the hexagon wrench bolt 40 and the moving member 50 move slightly downward together when compression from the outside occurs.
  • the wedge 30 composed of a plurality of spaced apart by moving down the inclined surface of the housing 10, respectively, it is possible to easily remove the strand 6, which was firmly fixed to the inside of the wedge 30 as shown in FIG. Will be.
  • the strand 6 And wedge 30 can be re-tensioned.
  • the strand 6 is generally used to twist the seven wires in a spiral form, which is formed in a hexagon as shown in Figure 7 so that the cross section can be inserted into the head of the hexagon wrench bolt 40. .

Abstract

The present invention relates to a fixing device for an earth anchor having an improved coupling structure for more stable construction, and an improved internal structure for easier removing and re-tensioning of steel wires. In the fixing device for the earth anchor, two of the fixing devices being coupled side by side at the lower side of a steel wire fixing device to which a plurality of steel wires are fixed, coupling grooves are formed on the outer circumferential surface of the fixing device, and a support member is coupled by means of a bolt which penetrates between the two coupling grooves, wherein the support member comprises a pair of brackets, which are provided with coupling apertures through which the bolt penetrates, and which are formed so as to face each other with a distance therebetween, and a support bar, which is perpendicularly formed at the lower side of the bracket, has the lower end of an extension pack coupled to the support bat, and which has on the rear surface thereof a support plate that comes into close contact with the bottom surface of an anchor aperture. As a result, the support member firmly fixes the fixing device, thereby preventing sliding of the coupling position of the fixing device even when colliding and coming into close contact with the bottom surface of the anchor aperture, and thus effectively allows more stable construction. In addition, removing the steel wires from the fixing device becomes much easier by means of rotating the steel wires, which are inserted into the head portion of a hex bolt to simply release a wedge, and when the steel wires are rotated in the opposite direction or when the steel wires are forcibly inserted into the fixing device, re-tensioning is effectively achieved by means of the elasticity of a first spring.

Description

어스앵커용 정착구Earth anchor anchor
본 발명은 어스앵커용 정착구에 관한 것으로, 더욱 상세하게는 정착구의 결합구조를 개선하여 더욱 안정된 시공을 할 뿐만 아니라, 정착구의 내부구조를 개선하여 강연선의 제거 및 재인장을 더욱 용이하게 한 어스앵커용 정착구에 관한 것이다.The present invention relates to an anchor anchor for an earth anchor, and more particularly, an anchor anchor which improves the coupling structure of the anchorage to provide more stable construction, and also improves the internal structure of the anchorage to facilitate the removal and retension of the strand wire. It is about a dragon anchorage.
일반적으로 어스앵커는 토목 또는 건축 구조물을 강연선과 같은 인장재로 지반에 연결하여 구조물에 횡방향이나 연직방향의 구속력 또는 선행 하중을 가할 수 있도록 된 것으로, 토류벽, 송전탑 기초, 댐이나 사면의 보강 등 다양한 용도로 이용되고 있다.In general, earth anchors are used to connect a civil or construction structure to the ground with a tensile material such as strand, so that the structural force can be applied to the structure in the lateral or vertical direction, or a preload can be applied to the earth wall, transmission tower foundation, dam or slope reinforcement. It is used for a purpose.
이러한 어스앵커는 도 1에서 도시한 바와 같이, 구조물(1)을 통해 지반(2) 내부로 앵커공(3)을 형성하고, 이 앵커공(3)에 정착구(4)와 결합된 강연선(6)의 외측에 형성된 피복관(5)을 투입하여 시멘트 그라우트(7)로 고정한 후, 외부로 인출된 강연선(6)을 외측으로 당겨 큰 인장하중이 가해진 상태로 구조물(1)에 결합함으로써 구조물(1)을 지반(2)에 체결하게 된다. As shown in FIG. 1, the earth anchor forms an anchor hole 3 into the ground 2 through the structure 1, and the strand wire 6 coupled to the anchorage 4 in the anchor hole 3. After the cladding tube 5 formed on the outside of the insulator is inserted and fixed with the cement grout 7, the stranded wire 6 drawn outward is pulled outward and coupled to the structure 1 with a large tensile load applied thereto. ) To the ground (2).
또한, 그라우트(7)에 대한 주면 마찰을 증대시키기 위하여 피복관(5)의 경로 상에는 금속재의 강연선고정구(8)가 설치되는데, 상기 강연선 고정구(8)는 대략 원통형으로 이루어진 몸체의 외주 면에 마찰력을 높이기 위한 리브가 소정 간격으로 다수 형성되고, 피복관(5)이 삽입되는 수용홈이 길이 방향으로 형성된 구조로 이루어졌다.In addition, in order to increase the main surface friction with respect to the grout (7) is provided on the path of the cladding pipe (5), the wire strand fixing device (8) of the metal material, the strand wire fixture (8) is applied to the outer circumferential surface of the body made of a substantially cylindrical A plurality of ribs for increasing are formed at predetermined intervals, and the receiving groove into which the covering pipe 5 is inserted is formed in the longitudinal direction.
이러한 강연선 고정구(8)는 수용홈에 강연선(6)을 삽입하여 금속재 타이밴드로 묶어 고정하게 되는데, 상기 강연선(6)은 인장부하의 전달과 부식방지를 위하여 그라우트(7)와 직접 접촉되지 않도록 합성수지로 이루어진 피복관(5)에 삽입된 상태로 설치된다.The strand wire fixture 8 is inserted into the strand (6) in the receiving groove is fixed by tying a metal tie band, the strand 6 is not in direct contact with the grout (7) for the transmission of the tensile load and to prevent corrosion. It is installed in the state inserted into the coating pipe 5 made of synthetic resin.
그러나 상기 강연선고정구의 하측에 나사결합된 정착구는 앵커공의 바닥면 또는 측면에 부딪혀 밀착될 경우 고정되어 있던 결합위치가 틀어지는 문제점이 있다.However, the anchorage screwed to the lower side of the strand anchorage has a problem that the fixing position is fixed when the anchoring surface is in close contact with the bottom or side of the anchor hole.
또한, 상기 어스앵커에는 인장재와의 연결을 확실히 하기 위해 쐐기방식(wedge)의 정착구가 널리 쓰이는데, 이러한 종래의 정착구는 구조적으로 웨지를 해제하는 과정이 복잡하여 강연선의 제거가 용이하지 못하고, 지하에 삽입하거나 운반시 강연선이 웨지로부터 이탈되어 재인장을 못하는 문제점이 있다.In addition, the wedge anchorage is widely used in the earth anchor to ensure the connection with the tension member. Such a conventional anchorage has a complicated structure of releasing the wedge, and thus it is not easy to remove the stranded wire. When inserted or transported, the strand is separated from the wedge and there is a problem that cannot be re-tensioned.
본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 정착구의 지지부재에 의해 견고히 고정함으로써 더욱 안정된 시공을 할 수 있는 어스앵커용 정착구를 제공하는데 목적이 있다.The present invention is to solve the above problems, and an object of the present invention is to provide an anchor anchor for an anchor that can be more stable construction by fixing firmly by the support member of the anchor.
또한, 본 발명의 다른 목적은 웨지를 해제하는 과정이 단순하여 강연선을 용이하게 제거할 수 있고, 재인장을 할 수 있는 어스앵커용 정착구를 제공하는 데 있다.In addition, another object of the present invention is to provide a ground anchor anchor for the wedge can be easily removed, the re-tension can be easily removed.
본 발명에 의한 어스앵커용 정착구는 복수의 강연선이 고정되는 강연선고정구의 하측에 두 개가 나란히 결합되는 어스앵커용 정착구에 있어서, 상기 정착구의 외주면에는 결합홈이 형성되고, 두 개의 결합홈 사이로 관통된 볼트에 의해 지지부재가 결합되되, 상기 지지부재는 볼트가 관통되는 결합공이 구비되며 한 쌍이 간격을 이루며 대향하게 형성된 브래킷과, 상기 브래킷의 하측에 수직으로 형성되어 확장팩의 하단부가 결합되며 저면에는 앵커공의 바닥면과 밀착되는 지지판이 결합된 지지바로 구성된 것을 특징으로 한다.Earth anchor anchoring device according to the present invention is a ground anchor anchorage in which two are coupled side by side on the lower side of the strand anchorage is fixed a plurality of strands, the outer peripheral surface of the anchorage is formed with a coupling groove, penetrated between the two coupling grooves The support member is coupled by a bolt, and the support member is provided with a coupling hole through which the bolt penetrates, and a pair of brackets are formed at opposite intervals, and is formed perpendicularly to the lower side of the bracket, and the lower end of the expansion pack is coupled to the anchor at the bottom. Characterized in that the support bar is coupled to the support plate in close contact with the bottom surface of the ball.
본 발명에 따른 어스앵커용 정착구에 의하면, 지지부재가 정착구를 견고히 고정함으로써 앵커공의 바닥면에 부딪혀 밀착되더라도 정착구의 결합위치가 틀어지지 않아 더욱 안정된 시공을 할 수 있는 효과가 있다.According to the anchor anchor for the anchor according to the present invention, even if the support member is firmly fixed to the anchorage to hit the bottom surface of the anchor hole close contact there is an effect that can be more stable construction because the engagement position of the anchorage is not misaligned.
또한, 육각렌치볼트의 머리부에 삽입된 강연선을 회전시킴으로써 웨지가 간단히 해제되어 정착구에서 강연선의 제거가 더욱 용이할 뿐만 아니라, 강연선을 반대로 회전시키거나, 강제로 강연선을 정착구안으로 삽입시키면 제1스프링의 탄성에 의해 재인장을 쉽게 할 수 있는 효과가 있다.In addition, the wedge is simply released by rotating the strand wire inserted into the head of the hexagonal wrench bolt, thereby making it easier to remove the strand wire from the anchorage, and by rotating the strand strand in reverse or by inserting the strand wire into the anchor hole, the first spring. The elasticity of the re-tension can be easily effected.
도 1은 종래에 의한 어스앵커의 설치상태도.1 is an installation state of the conventional ground anchor.
도 2는 본 발명에 의한 어스앵커용 정착구와 지지부재의 결합상태를 나타낸 정면도.Figure 2 is a front view showing a coupling state of the anchor anchor fixture and the support member according to the present invention.
도 3은 본 발명에 의한 지지부재를 도시한 사시도.Figure 3 is a perspective view showing a support member according to the present invention.
도 4는 본 발명에 의한 어스앵커용 정착구와 지지부재의 결합상태를 나타낸 일측면도.Figure 4 is a side view showing a coupling state of the anchor anchor supporter and the support member according to the present invention.
도 5는 본 발명에 의한 어스앵커용 정착구를 도시한 단면도.5 is a cross-sectional view showing the anchor for the anchor anchor according to the present invention.
도 6은 본 발명의 어스앵커용 정착구에 강연선이 결합 또는 재인장된 상태를 도시한 단면도.Figure 6 is a cross-sectional view showing a state in which the strand is coupled or re-tensioned to the anchor anchor for the present invention.
도 7은 본 발명의 어스앵커용 정착구에서 웨지가 해제된 상태를 도시한 단면도.Figure 7 is a cross-sectional view showing a state in which the wedge is released from the anchor for the anchor anchor of the present invention.
도 8은 본 발명의 어스앵커용 정착구에서 강연선이 제거된 상태를 도시한 단면도.8 is a cross-sectional view showing a state in which the strand is removed from the anchor anchor for the earth of the present invention.
본 발명의 바람직한 실시 예를 첨부된 도면을 통해 상세히 설명한다.Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
본 발명의 어스앵커용 정착구는 도 2에서 도시한 바와 같이, 복수의 강연선(6)이 고정되는 강연선고정구(8)의 하측에 두 개가 나란히 나사결합되어 있으며, 상기 정착구(100)의 하단부 외주면에는 결합홈(25)이 형성되어 있다.As shown in FIG. 2, the anchor anchoring device of the present invention is screwed side by side to the lower side of the stranding wire fixing device 8 to which the plurality of stranding wires 6 are fixed, and the outer peripheral surface of the lower end of the fixing device 100. Coupling groove 25 is formed.
이 두 개의 결합홈(25) 사이에는 볼트가 삽입됨으로써 장착구(100)에 지지부재(60)를 고정하게 된다.A bolt is inserted between the two coupling grooves 25 to fix the support member 60 to the mounting hole 100.
따라서 정착구(100)가 지지부재(60)에 의해 견고히 고정됨으로써 앵커공에 어스앵커를 삽입할 때 바닥면에 부딪혀 밀착된 상태로 설치되더라도 정착구(100)의 설치위치가 틀어지지 않아 더욱 안정된 시공을 할 수 있다.Therefore, the fixing unit 100 is firmly fixed by the support member 60, so even when the anchor hole is installed in a state in which the anchor hole is in close contact with the bottom surface, the installation position of the fixing unit 100 is not misaligned. can do.
한편, 상기 지지부재(60)는 도 3에서 도시한 바와 같이 강연선고정구(8)가 사이에 결합할 수 있도록 전후로 간격을 이루며 브래킷(61)이 대향하게 형성되어 있고, 상기 브래킷(61)의 상단부에는 볼트 등의 고정부재가 관통할 수 있도록 결합공(62)이 형성되어 있다.Meanwhile, as shown in FIG. 3, the support member 60 forms a front and rear gap so that the strand wire fixing tool 8 can be coupled therebetween, and the bracket 61 is formed to face the upper end of the bracket 61. The coupling hole 62 is formed so that the fixing member such as a bolt can pass therethrough.
또한, 상기 브래킷(61)의 하측에는 확장팩(도면 미표시)의 하단부를 결합시켜 간단히 밀봉할 수 있도록 지지바(63)가 수직으로 형성되어 있으며, 상기 지지바(63)의 저면에는 지지판(64)이 용접에 의해 결합되어 있다.In addition, the support bar 63 is vertically formed at the lower side of the bracket 61 so as to be easily sealed by coupling the lower end of the expansion pack (not shown), and the support plate 64 is formed at the bottom of the support bar 63. It is joined by this welding.
상기 지지판(64)은 어스앵커를 시공할 때 앵커공의 바닥과 밀착되는 부위인데, 앵커공의 바닥면을 지지하여 어스앵커의 하중에 의해 앵커공의 바닥면이 침하되는 것을 방지한다.The support plate 64 is a portion that is in close contact with the bottom of the anchor hole when the earth anchor is constructed, and supports the bottom surface of the anchor hole to prevent the bottom surface of the anchor hole from sinking by the load of the earth anchor.
이와 같이 구성된 지지부재(60)는 도 4에서 도시한 바와 같이 정착구(100)와 결합되는데, 결합공(62)을 관통한 볼트는 두 개의 정착구(100) 사이에 형성된 결합홈(25)을 관통하여 너트로 고정된다.The support member 60 configured as described above is coupled to the anchorage 100 as shown in FIG. 4, and the bolts passing through the coupling hole 62 pass through the coupling groove 25 formed between the two anchorages 100. Is fixed with a nut.
이로써 정착구(100)와 지지부재(60)는 하나의 볼트 및 너트에 의해 간단히 고정됨으로써 견고히 결합되어 더욱 안정된 시공을 할 수 있게 된다.As a result, the fixing unit 100 and the supporting member 60 are simply fixed by one bolt and nut, thereby being firmly coupled to allow more stable construction.
한편, 본 발명의 정착구(100)는 도 5에서 도시한 바와 같이, 하우징(10)과, 상기 하우징(10)에 나사결합되는 하우징커버(20)와, 상기 하우징(10)의 내측에 결합되는 웨지(30)와, 상기 웨지(30)와 결합되어 있는 육각렌치볼트(40)와, 상기 육각렌치볼트(40)와 맞대어 있는 이동부재(50)를 포함하여 구성되어 있다.On the other hand, the fixing unit 100 of the present invention, as shown in Figure 5, the housing 10, the housing cover 20 is screwed to the housing 10, and is coupled to the inside of the housing 10 Wedge 30, the hexagonal wrench bolt 40 is coupled to the wedge 30, and the movable member 50 which is opposed to the hexagonal wrench bolt 40 is configured to include.
이때, 상기 하우징(10)의 전면에는 강연선(6)의 지하매설공사 후 그라우팅 타설로부터 강연선(6)을 보호하는 파이프(11)가 이물질의 내부유입을 방지하기 위한 패킹부재(12)와 함께 결합되어 있다.At this time, the front of the housing 10 is coupled with a packing member 12 for preventing the inflow of foreign matter in the pipe 11 to protect the strand 6 from the grouting pour after underground laying work of the strand (6). It is.
또한, 상기 하우징(10)의 내측 경사면에는 웨지(30)의 이동을 용이하게 하기 위해 필름(13)이 결합되어 있는데, 상기 필름(13)은 녹이나 웨지(30)와 하우징(10)의 물림현상을 방지하기위해 합성수지 재질로 구성되는 것이 바람직하다.In addition, the inner slope of the housing 10, the film 13 is coupled to facilitate the movement of the wedge 30, the film 13 is rust or bite of the wedge 30 and the housing 10 It is preferable to be made of synthetic resin material to prevent the phenomenon.
이러한 하우징(10)의 배면 측에는 하우징커버(20)가 나사결합되며, 상기 하우징커버(20)의 내측에는 상기 육각렌치볼트(40)가 상하로 이동할 수 있도록 제1이동공간(21)이 형성되어 있다.The housing cover 20 is screwed to the rear side of the housing 10, and the first moving space 21 is formed inside the housing cover 20 to allow the hexagon wrench bolt 40 to move up and down. have.
그리고, 상기 제1이동공간(21)의 하측에는 단턱(22)이 형성되어 있고, 이 단턱(22)의 하측에는 상기 이동부재(50)가 상하로 이동할 수 있도록 제2이동공간(23)이 형성되어 있다.In addition, a stepped portion 22 is formed below the first moving space 21, and a second moving space 23 is formed below the stepped 22 so that the moving member 50 can move up and down. Formed.
이때, 상기 제2이동공간(23)의 바닥면 일측에는 삽입홈(24)이 형성되어 있으며, 제2이동공간(23)의 바닥면 중앙에는 외부로 관통된 고정암나사부(25)가 형성되어 있다.In this case, an insertion groove 24 is formed at one side of the bottom surface of the second moving space 23, and a fixed female screw part 25 penetrated to the outside is formed at the center of the bottom surface of the second moving space 23. have.
한편, 상기 하우징(10)의 내측 경사면에는 웨지(30)가 결합되어 있는데, 상기 웨지(30)는 세 개가 방사상으로 분리 형성되어 서로 이격되어 있는데, 이는 당 업계에서 흔히 사용되는 일반적인 구성이므로 자세한 설명은 생략한다.On the other hand, the wedge 30 is coupled to the inner inclined surface of the housing 10, the wedge 30 is formed three radially separated from each other, which is a general configuration that is commonly used in the art, detailed description Is omitted.
상기 웨지(30)는 하우징(10)의 내측에 결합된 필름(13)과 밀착될 수 있도록 선단이 경사지도록 형성되어 있으며, 외주면에는 각각의 웨지(30)를 고정하고 이격거리를 균일하게 유지하고 할 수 있도록 고정링(31)이 결합되어 있다.The wedge 30 is formed so that the tip is inclined so as to be in close contact with the film 13 coupled to the inner side of the housing 10, the outer circumferential surface is fixed to each wedge 30 and to maintain a uniform distance The fixing ring 31 is coupled to be able to.
그리고 웨지(30)의 내측에는 단턱(32)이 형성되어 있는데, 상기 단턱(32)에는 육각렌치볼트(40)의 상측에 형성된 날개부(41)가 결합되어 있다.And the stepped portion 32 is formed on the inner side of the wedge 30, the wing portion 41 formed on the upper side of the hexagon wrench bolt 40 is coupled to the stepped portion 32.
이렇게 웨지(30)와 결합된 육각렌치볼트(40)는 제1이동공간(21)에 위치하게 되는데, 상기 육각렌치볼트(40)의 머리부 하측에는 와셔(42)가 결합되어 있다.The hexagon wrench bolt 40 coupled to the wedge 30 is positioned in the first moving space 21. The washer 42 is coupled to the lower side of the head of the hexagon wrench bolt 40.
상기 와셔(42)의 하측에는 저면이 하우징커버(20)의 단턱(22)에 안착된 제1스프링(43)이 설치되어 있는데, 상기 제1스프링(43)은 웨지(30)와 육각렌치볼트(40)가 항상 상측 방향으로 향할 수 있도록 탄성력을 부여하게 된다.The lower side of the washer 42 is provided with a first spring 43, the bottom of which is seated on the step 22 of the housing cover 20, the first spring 43 is a wedge 30 and a hexagon wrench bolt An elastic force is imparted so that the 40 can always be directed upward.
상기 육각렌치볼트(40)는 하측으로 이동부재(50)가 맞대어 설치되는데, 상기 이동부재(50)는 내측에 이동암나사부(51)가 구비된 플랜지 형상으로 이루어지며, 이동부재(50)의 하단부 일측에는 삽입홀(52)이 형성되어 있다.The hex wrench bolt 40 is provided with the movable member 50 against the lower side, the movable member 50 is formed in a flange shape provided with a moving female threaded portion 51 in the inner side, of the movable member 50 The insertion hole 52 is formed at one side of the lower end.
즉, 상기 이동부재(50)는 육각렌치볼트(40)와 맞대어진 상태로 제2이동공간(23)에 위치하게 되며, 상기 제2이동공간(23)의 상측에는 이동부재(50)가 더 이상 상승하지 않도록 차단하는 스탑퍼(53)가 구비되어 있다.That is, the moving member 50 is positioned in the second moving space 23 while being in contact with the hexagon wrench bolt 40, and the moving member 50 is further above the second moving space 23. The stopper 53 which cuts off so that it may not raise abnormally is provided.
또한, 상기 이동부재(50)의 하측에는 저면이 제2이동공간(23)의 바닥면에 안착된 제2스프링(54)이 설치되며, 상기 제2스프링(54)의 상측과 하측에는 삽입돌기(54a)가 형성되어 있다.In addition, the lower side of the moving member 50 is provided with a second spring 54, the bottom of which is seated on the bottom surface of the second moving space 23, the insertion projections on the upper side and the lower side of the second spring (54). 54a is formed.
이때, 상기 삽입돌기(54a)는 각각 제2이동공간(23)의 삽입홈(24)과 이동부재(50)의 삽입홀(52)에 삽입되어 있는데, 이는 제2스프링(54)과 이동부재(50)의 결합을 더욱 견고히 하여, 이동부재(50)가 제2이동공간(23)에서 원활하게 이동할 수 있게 하기 위함이다.At this time, the insertion protrusion 54a is inserted into the insertion groove 24 of the second moving space 23 and the insertion hole 52 of the moving member 50, which is the second spring 54 and the moving member. In order to further solidify the coupling of the 50, the movable member 50 can smoothly move in the second moving space 23.
한편, 도 6에서 도시한 바와, 상기 하우징(10)의 전면에서 삽입된 강연선(6)은 하우징(10)의 내측에 설치된 웨지(30)의 중심을 관통하여 육각렌치볼트(40)의 머리부에 삽입된다.Meanwhile, as shown in FIG. 6, the strand 6 inserted from the front surface of the housing 10 penetrates through the center of the wedge 30 installed inside the housing 10 and head of the hexagon wrench bolt 40. Is inserted into
이때, 강연선(6)은 외부로부터의 압착이 발생할 경우, 웨지(30)와 육각렌치볼트(40) 및 이동부재(50)가 함께 하측으로 약간 이동하면서 웨지(30)의 내측에 고정된다.At this time, the strand 6 is fixed to the inside of the wedge 30 while the wedge 30 and the hexagon wrench bolt 40 and the moving member 50 move slightly downward together when compression from the outside occurs.
반면에, 강연선(6)을 정착구(100)에서 제거하고자 할 때에는 도 7에서 도시한 바와 같이 강연선(6)을 화살표 방향으로 회전시키면 되는데, 이에 따라 육각렌치볼트(40)가 웨지(30)에 고정된 상태에서 강연선(6)과 함께 회전하게 된다.On the other hand, when it is desired to remove the strand 6 from the anchorage 100, as shown in Figure 7 to rotate the strand 6 in the direction of the arrow, accordingly the hexagon wrench bolts 40 to the wedge 30 It rotates together with the strand 6 in a fixed state.
그리고, 육각렌치볼트(40)가 회전하면, 상기 육각렌치볼트(40)와 나사결합된 이동부재(50)는 스탑퍼(53)에 밀착할 때까지 상측으로 이동하게 되며, 상기 스탑퍼(53)에 의해 이동부재(50)가 더 이상의 이동이 불가능해지면 비로소, 육각렌치볼트(40)가 웨지(30)와 함께 하측으로 이동하게 된다.Then, when the hexagon wrench bolt 40 is rotated, the movable member 50 screwed with the hexagon wrench bolt 40 is moved upward until it is in close contact with the stopper 53, the stopper 53 When the movable member 50 is no longer movable by the), the hexagonal wrench bolts 40 are moved downward together with the wedge 30.
이렇게 복수로 구성된 웨지(30)가 하우징(10)의 경사면을 타고 하측으로 이동함으로써 각각 이격되어, 웨지(30)의 내측에 견고히 고정되어 있던 강연선(6)을 도 8과 같이 용이하게 제거할 수 있게 되는 것이다.Thus, the wedge 30 composed of a plurality of spaced apart by moving down the inclined surface of the housing 10, respectively, it is possible to easily remove the strand 6, which was firmly fixed to the inside of the wedge 30 as shown in FIG. Will be.
한편, 본 발명에서는 강연선(6)을 반대로 회전시키거나, 강제로 강연선(6)을 정착구(100) 안으로 삽입시키면 제1스프링(43)의 탄성에 의해 도 6에 도시된 것처럼, 강연선(6)과 웨지(30)를 재인장할 수 있게 된다.Meanwhile, in the present invention, when the strand 6 is rotated in the opposite direction, or when the strand 6 is forcibly inserted into the anchorage 100, as shown in FIG. 6 by the elasticity of the first spring 43, the strand 6 And wedge 30 can be re-tensioned.
이때, 상기 강연선(6)은 일반적으로 일곱 개의 선재를 나선형으로 꼬아 형성한 것을 사용하게 되는데, 이로 인해 단면이 육각렌치볼트(40)의 머리부에 삽입될 수 있도록 도 7과 같이 육각형으로 형성된다.In this case, the strand 6 is generally used to twist the seven wires in a spiral form, which is formed in a hexagon as shown in Figure 7 so that the cross section can be inserted into the head of the hexagon wrench bolt 40. .
상기와 같은 본 발명은 상술한 특정의 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변경 실시가 가능할 것이다.The present invention as described above is not limited to the above-described specific embodiments, and any person having ordinary skill in the art to which the present invention pertains may make various changes without departing from the gist of the present invention as claimed in the claims. will be.

Claims (3)

  1. 복수의 강연선이 고정되는 강연선고정구의 하측에 두 개가 나란히 결합되는 어스앵커용 정착구에 있어서,In the anchor anchor for the anchor anchor which two are coupled side by side to the lower side of the strand anchorage is fixed to a plurality of strands,
    상기 정착구의 외주면에는 결합홈이 형성되고, 두 개의 결합홈 사이로 관통된 볼트에 의해 지지부재가 결합되되,A coupling groove is formed on the outer circumferential surface of the anchorage, and the support member is coupled by a bolt penetrated between the two coupling grooves.
    상기 지지부재는 볼트가 관통되는 결합공이 구비되며 한 쌍이 간격을 이루며 대향하게 형성된 브래킷과, 상기 브래킷의 하측에 수직으로 형성되어 확장팩의 하단부가 결합되며 저면에는 앵커공의 바닥면과 밀착되는 지지판이 결합된 지지바로 구성된 것을 특징으로 하는 어스앵커용 정착구.The support member is provided with a coupling hole through which the bolt penetrates, and a pair of brackets are formed to face each other, and the support plate is vertically formed at the lower side of the bracket to be coupled to the lower end of the expansion pack, and the support plate is in close contact with the bottom surface of the anchor hole. An anchor for earth anchors, characterized in that composed of a combined support bar.
  2. 제 1항에 있어서,The method of claim 1,
    상기 정착구는 하우징커버와 육각렌치볼트와 이동암나사부와 이동부재를 포함하여 구성되되,The fixing unit includes a housing cover, a hexagon wrench bolt, a moving female screw part, and a moving member.
    상기 하우징커버의 내측에는 육각렌치볼트가 상하로 이동할 수 있도록 제1스프링이 구비된 제1이동공간이 형성되고, 상기 제1이동공간의 하측에는 이동부재가 상하로 이동할 수 있도록 제2스프링이 구비된 제2이동공간이 형성되며,Inside the housing cover, a first moving space having a first spring is formed to move the hexagon wrench bolt up and down, and a second spring is provided below the first moving space to move the moving member up and down. Second moving space is formed,
    상기 육각렌치볼트의 머리부에 강연선이 하우징의 내측에 설치된 웨지를 관통하여 삽입되면, 상기 이동부재는 제2스프링을 수축하며 제2이동공간의 하방으로 이동하고, When a strand is inserted into the head portion of the hexagon wrench bolt through the wedge provided inside the housing, the moving member contracts the second spring and moves below the second moving space,
    상기 육각렌치볼트가 회전하면, 육각렌치볼트와 나사결합된 이동부재는 제2스프링의 복원력에 의해 상기 제2이동공간의 상방으로 이동하며, When the hexagon wrench bolt is rotated, the movable member screwed with the hexagon wrench bolt is moved above the second moving space by the restoring force of the second spring,
    상기 제2스프링은 상·하 측에 삽입돌기가 형성되어 하우징커버에 형성된 삽입홈과 이동부재에 형성된 삽입홀에 각각 삽입 고정되는 것을 특징으로 하는 어스앵커용 정착구.The second spring has an insertion protrusion formed on the upper and lower sides, the anchor anchor for the anchor anchor, characterized in that the insertion grooves formed in the housing cover and the insertion hole formed in the moving member, respectively.
  3. 제 2항에 있어서,The method of claim 2,
    상기 제2이동공간의 상측에는 이동부재가 더 이상 상승하지 않도록 차단하는 스탑퍼가 구비되되, An upper side of the second moving space is provided with a stopper for blocking the moving member from rising any further.
    상기 육각렌치볼트가 회전하면, 육각렌치볼트와 나사결합된 이동부재는 스탑퍼에 밀착할 때까지 상측으로 이동하게 되며, 상기 스탑퍼에 의해 이동부재가 더 이상의 이동이 차단되면, 상기 육각렌치볼트가 웨지와 함께 하측으로 이동하는 것을 특징으로 하는 어스 앵커용 정착구.When the hexagon wrench bolt is rotated, the movable member screwed with the hexagon wrench bolt is moved upward until it is in close contact with the stopper. When the movable member is further blocked by the stopper, the hexagon wrench bolt is blocked. An anchor for an earth anchor, characterized in that moves downward with the wedge.
PCT/KR2010/005833 2010-08-23 2010-08-30 Fixing device for earth anchor WO2012026643A1 (en)

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KR20100081630 2010-08-23
KR10-2010-0081630 2010-08-23

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CN103510624A (en) * 2012-06-21 2014-01-15 华锐风电科技(集团)股份有限公司 Anchor bolt anchoring device and construction method of anchor bolt anchoring device
RU215419U1 (en) * 2022-10-25 2022-12-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный архитектурно-строительный университет" (КазГАСУ) Prestressed reinforced concrete beam

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KR200426634Y1 (en) * 2006-06-16 2006-09-19 주식회사 대경건설 Structure of Permanent Anchor
KR100678573B1 (en) * 2005-09-28 2007-02-02 김용만 Ground anchor system
KR100898907B1 (en) * 2008-11-26 2009-05-21 신동은 Fixing device for earth anchor
KR100948051B1 (en) * 2009-08-14 2010-03-19 신동은 Earth anchor using expansion pack

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* Cited by examiner, † Cited by third party
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KR100678573B1 (en) * 2005-09-28 2007-02-02 김용만 Ground anchor system
KR200426634Y1 (en) * 2006-06-16 2006-09-19 주식회사 대경건설 Structure of Permanent Anchor
KR100898907B1 (en) * 2008-11-26 2009-05-21 신동은 Fixing device for earth anchor
KR100948051B1 (en) * 2009-08-14 2010-03-19 신동은 Earth anchor using expansion pack

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103510624A (en) * 2012-06-21 2014-01-15 华锐风电科技(集团)股份有限公司 Anchor bolt anchoring device and construction method of anchor bolt anchoring device
CN103510624B (en) * 2012-06-21 2016-03-02 华锐风电科技(集团)股份有限公司 The construction method of foot bolt fastening device and this device
RU215419U1 (en) * 2022-10-25 2022-12-12 Федеральное государственное бюджетное образовательное учреждение высшего образования "Казанский государственный архитектурно-строительный университет" (КазГАСУ) Prestressed reinforced concrete beam

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