KR100490859B1 - Foundation Anchor - Google Patents

Foundation Anchor Download PDF

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Publication number
KR100490859B1
KR100490859B1 KR10-2002-0021772A KR20020021772A KR100490859B1 KR 100490859 B1 KR100490859 B1 KR 100490859B1 KR 20020021772 A KR20020021772 A KR 20020021772A KR 100490859 B1 KR100490859 B1 KR 100490859B1
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South Korea
Prior art keywords
anchor
mansion
fixing
tapered
earth
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KR10-2002-0021772A
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Korean (ko)
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KR20030083295A (en
Inventor
황현진
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황현진
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Priority to KR10-2002-0021772A priority Critical patent/KR100490859B1/en
Publication of KR20030083295A publication Critical patent/KR20030083295A/en
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Publication of KR100490859B1 publication Critical patent/KR100490859B1/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
    • E02D5/805—Ground anchors with deformable anchoring members
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/20—Miscellaneous comprising details of connection between elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00—Miscellaneous
    • E02D2600/30—Miscellaneous comprising anchoring details

Abstract

본 발명은 어스앵커에 관한 것으로 특히 테이프 고정 너트와 앵커체를 이용하여 정착체를 보강한 어스앵커에 관한 것으로, 본 발명에 의해 정착체의 길이가 짧아짐에 따라, 어스앵커 자체의 길이도 짧아지고, 따라서 어스앵커의 생산비용이 절감됨은 물론 어스앵커의 운반 내지 현장시공이 편리하게 된다.TECHNICAL FIELD The present invention relates to an earth anchor, and more particularly, to an earth anchor reinforcing a fixing body using a tape fixing nut and an anchor body. As the length of the fixing body becomes shorter according to the present invention, the length of the ground anchor itself also becomes shorter. Therefore, the production cost of the earth anchor is reduced as well as the transport or field construction of the earth anchor is convenient.

Description

어스앵커 { Foundation Anchor }Earth Anchor {Foundation Anchor}

본 발명은 지진 또는 바람에 의한 기초의 전도방지, 수압에 의한 건물의 부상방지, 편토압에 의한 구조물의 붕괴 방지 등으로 사용되는 어스앵커에 관한 것으로 특히 정착체가 보강된 어스앵커에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to earth anchors used for preventing the fall of foundations by earthquakes or wind, preventing the rise of buildings by water pressure, and preventing the collapse of structures by earth pressure.

종래의 어스앵커는 그라우트재와의 접착강도를 높이기 위하여 정착체를 사용하여 왔으나, 정착체만으로 원하는 접착강도를 나타내기 위하여는 길이가 긴 정착체를 사용하여야 하였다. 따라서 정착체가 길이가 길어짐에 따라 어스앵커 자체의 길이도 길어져야 하며, 이에 따라 어스앵커의 생산비용은 물론 어스앵커의 운반 내지 현장시공에 있어 불편함이 많았다.Conventional earth anchors have used a fixture in order to increase the adhesive strength with the grout material, but a long length fixture should be used in order to show a desired adhesive strength only with the fixture. Therefore, as the length of the fixture increases, the length of the earth anchor itself must also be lengthened. Accordingly, there is a lot of inconvenience in the production cost of the earth anchor as well as the transport or field construction of the earth anchor.

따라서 본 발명은 그라우트재와의 접착강도를 높이기 위해, 정착체 외에 별도의 앵커체와 테이프 고정 너트를 제공하여 길이가 짧은 정착체를 이용하여도 원하는 접착강도를 얻을 수 있는 어스앵커를 제공하고자 한다.Therefore, the present invention is to provide an anchor that can obtain a desired adhesive strength even by using a short fixing body by providing a separate anchor body and a tape fixing nut in addition to the fixing body to increase the adhesive strength with the grout material. .

상기의 목적을 달성하기 위해 본 발명은, 앵커플레이트가 삽입된 후 앵커 너트가 체결되는 상부맨션, 상기 상부맨션의 하부에 연결되고 피씨강연선과 상기 피씨강연선 외부를 코팅하고 있는 피복제 및 상기 피복제 외주부를 둘러싸고 있는 슬라이드 파이프로 구성된 피복인장재, 상기 피복인장재의 하부에서 그라우트재와 접착되는 정착체, 상기 정착체의 하부에 형성된 하부맨션으로 이루어진 어스앵커에 있어서, 상기 정착체는 상기 피복인장재의 하단부에 삽입되고 그 둘레면이 테이프형의 돌기링을 구비하고 있고; 상기 하부맨션의 끝부에 나사고착되고 상부의 외경이 하부의 외경보다 작아지는 형태로 이루어진 테이프 고정 너트를 포함하고 있고 ; 상기 정착체와 상기 테이퍼 고정 너트 사이에 삽입되며, 하부의 내주면은 상기 테이퍼 고정 너트의 외주면과 동일한 형태로 테이퍼지고, 하부에는 다수의 벌림홈이 형성되어 있는 앵커체를 포함하고 있는; 것을 특징으로 하는 어스앵커를 제공한다.In order to achieve the above object, the present invention is an upper mansion to which the anchor nut is fastened after the anchor plate is inserted, a coating agent and a coating material which are connected to the lower portion of the upper mansion and coat the outside of the PC strand and the PC strand. In the earth anchor consisting of a cladding material consisting of a slide pipe surrounding the outer peripheral portion, a fixture bonded to the grout material at the lower portion of the cladding material, a lower mansion formed on the lower portion of the fixing body, the fixing member is a lower end of the cladding material Inserted into the circumferential surface thereof and having a tape-shaped protrusion ring; And a tape fixing nut screwed to the end of the lower mansion, the outer diameter of the upper portion being smaller than the outer diameter of the lower portion; It is inserted between the fixing body and the tapered fixing nut, the lower inner peripheral surface is tapered in the same shape as the outer peripheral surface of the tapered fixing nut, the lower includes an anchor body is formed with a plurality of opening grooves; It provides an earth anchor, characterized in that.

이하 본 발명을 본 발명에 의한 일실시예에 따라 상세히 설명한다.Hereinafter, the present invention will be described in detail according to an embodiment of the present invention.

어스앵커의 본체는 피복제(2)에 의해 피복된 PC강연선(1) 등으로 구성되는 피복인장재(13), 앵커플레이트(11)가 삽입된 후 앵커 너트(12)가 체결되는 상부맨션(3), 테이프 고정 너트(7)가 나사고착되는 하부맨션(4)으로 구성된다. 피복제(2)는 수밀성을 유지하기 위해 사용되며 폴리에틸렌수지가 사용되었다. 피복 인장재(13)는 수밀성을 유지하기 위해 폴리에틸렌수지 등으로 제작되는 슬라이드 파이프(10) 내에 삽입된다.The main body of the earth anchor is composed of a PC tensile wire (1) or the like coated with a coating material (2), the upper mansion (3) to which the anchor nut (12) is fastened after the anchor plate (11) is inserted. ), And the lower mansion 4 to which the tape fixing nut 7 is screwed. The coating agent 2 was used to maintain watertightness and polyethylene resin was used. The coated tension member 13 is inserted into the slide pipe 10 made of polyethylene resin or the like in order to maintain watertightness.

정착체(5)는 피복인장재(13)의 하단부에 삽입되고 둘레면이 테이프형의 돌기링을 구비하고 있다. 정착체(5)의 돌기링이 테이프형으로 형성됨으로써, 그라우트재와의 접착강도를 높이고 있다. 정착체(5)는 슬라이드 파이프(10)와 연결되며, 수밀성을 위하여 정착체(5)와 슬라이드 파이프(10)의 연결부위에 지수튜브(14)가 설치된다.The fixing body 5 is inserted into the lower end of the covering tension material 13, and the peripheral surface is provided with the tape-shaped protrusion ring. The projection ring of the fixing body 5 is formed in a tape shape, thereby increasing the adhesive strength with the grout material. The fixture 5 is connected to the slide pipe 10, and the water tube 14 is installed at the connection portion between the fixture 5 and the slide pipe 10 for watertightness.

테이프 고정 너트(7)는 하부맨션(4)의 끝부에 나사고착되고 상부의 외경이 하부의 외경보다 작아지는 형태를 가진다.The tape fixing nut 7 is screwed to the end of the lower mansion 4 and has a form in which the outer diameter of the upper portion is smaller than the outer diameter of the lower portion.

앵커체(8)는 정착체(5)와 테이퍼 고정 너트(7) 사이에 삽입되며, 앵커체(8) 하부의 내주면은 테이퍼 고정 너트(7)의 외주면과 맞닿을 수 있도록 테이프 고정 너트(7)의 외주면과 동일한 형태로 테이퍼지고 하부에는 다수의 벌림홈(15)이 형성되어 있다. The anchor body 8 is inserted between the fixing body 5 and the tapered fixing nut 7, and the inner circumferential surface of the lower portion of the anchor body 8 is brought into contact with the outer circumferential surface of the tapered fixing nut 7 so that the tape fixing nut 7 Tapered in the same shape as the outer circumferential surface of the) and a plurality of opening grooves 15 are formed in the lower portion.

따라서 어스앵커의 설치 후 테이프 고정 너트(7)를 인장하면 앵커체(8) 하부는 테이프 고정 너트(7)에 의해 벌어지게 된다. 이때 벌림홈(15)은 앵커체(8)가 더욱 잘 벌어지도록 한다. 이러한 작용으로 인해 어스앵커는 단순히 정착체(5)에 의해서만 그라우트재와의 접착강도가 나타나는 것이 아니라, 정착체(5)와 벌어진 앵커체(8)에 의해 어스앵커가 지지되므로 벌어진 앵커체(8)에 의한 접착강도만큼 정착체(5)의 길이가 짧아질 수 있다.Therefore, when the tape fixing nut 7 is tensioned after installation of the earth anchor, the lower portion of the anchor body 8 is opened by the tape fixing nut 7. At this time, the opening groove 15 allows the anchor body 8 to be more well opened. Due to this action, the earth anchor is not merely shown the adhesive strength of the grout material by the fixture 5, but the anchor anchor 8 is supported because the earth anchor is supported by the anchor 5 and the anchor anchor 8. The length of the fixing body 5 can be shortened by the adhesive strength due to).

정착체(5)와 앵커체(8)의 연결부위에는 지압링(6)이 설치되며, 정착체(5)의 둘레면에는 어스앵커의 굴삭공 삽입을 편리하게 하기 위하여 스페이서(9)를 두었다.A pressure ring 6 is installed at the connection portion between the fixing body 5 and the anchor body 8, and a spacer 9 is provided at the circumferential surface of the fixing body 5 to facilitate the insertion of the excavation hole of the earth anchor. .

본 발명에 의하여 정착체의 길이가 짧아짐에 따라, 어스앵커 자체의 길이도 짧아지며, 따라서 어스앵커의 생산비용이 절감됨은 물론 어스앵커의 운반 내지 현장시공이 편리하게 된다.According to the present invention, as the length of the fixing body is shortened, the length of the earth anchor itself is also shortened, thus reducing the production cost of the earth anchor and of course, the transport or field construction of the earth anchor is convenient.

도 1은 본 발명에 의한 일실시예1 is an embodiment according to the present invention

도 2는 도 1의 앵커체의 상세도면Figure 2 is a detailed view of the anchor body of Figure 1

도 3은 도 1의 테이퍼 고정 너트의 상세도면3 is a detailed view of the tapered fixing nut of FIG.

도 4는 도 1의 스페이서의 상세 도면4 is a detailed view of the spacer of FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : PC강연선 2 : 피복제1: PC strand 2: Coating

3 : 상부맨션 4 : 하부맨션3: upper mansion 4: lower mansion

5 : 정착체 6 : 지압링5: Fixture 6: Acupressure Ring

7 : 테이퍼 고정 너트 8 : 앵커체7: taper fixing nut 8: anchor body

9 : 스페이서 10 : 슬라이드 파이프9: spacer 10: slide pipe

11 : 앵커 플레이트 12 : 앵커 너트11: anchor plate 12: anchor nut

13 : 인장재 14 : 지수튜브13: tension member 14: exponential tube

15 : 벌림홈15: Opening Home

Claims (1)

앵커플레이트가 삽입된 후 앵커 너트가 체결되는 상부맨션, 상기 상부맨션의 하부에 연결되고 피씨강연선과 상기 피씨강연선 외부를 코팅하고 있는 피복제 및 상기 피복제 외주부를 둘러싸고 있는 슬라이드 파이프로 구성된 피복인장재, 상기 피복인장재의 하부에서 그라우트재와 접착되는 정착체, 상기 정착체의 하부에 형성된 하부맨션으로 이루어진 어스앵커에 있어서,A cover tension material comprising an upper mansion to which an anchor plate is inserted and an anchor nut is fastened after the anchor plate is inserted, a coating material connected to a lower portion of the upper mansion and coating an outer portion of the PC strand and the PC strand, and a slide pipe surrounding the outer circumference of the coating agent. In the earth anchor consisting of a fixing body adhered to the grout material in the lower portion of the coated tensile material, the lower mansion formed in the lower portion of the fixing body, 상기 정착체는 상기 피복인장재의 하단부에 삽입되고 그 둘레면이 테이프형의 돌기링을 구비하고 있고 ;The fixing member is inserted into a lower end portion of the coated tensile material and has a tapered protrusion ring at its circumferential surface; 상기 하부맨션의 끝부에 나사고착되고 상부의 외경이 하부의 외경보다 작아지는 형태로 이루어진 테이프 고정 너트를 포함하고 있고 ;And a tape fixing nut screwed to the end of the lower mansion, the outer diameter of the upper portion being smaller than the outer diameter of the lower portion; 상기 정착체와 상기 테이퍼 고정 너트 사이에 삽입되며, 하부의 내주면은 상기 테이퍼 고정 너트의 외주면과 동일한 형태로 테이퍼지고, 하부에는 다수의 벌림홈이 형성되어 있는 앵커체를 포함하고 있는 ; 것을 특징으로 하는 어스앵커.It is inserted between the fixing body and the tapered fixing nut, the lower inner peripheral surface is tapered in the same shape as the outer peripheral surface of the tapered fixing nut, the lower includes an anchor body is formed with a plurality of opening grooves; Earth anchor, characterized in that.
KR10-2002-0021772A 2002-04-20 2002-04-20 Foundation Anchor KR100490859B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100717252B1 (en) * 2005-02-03 2007-05-15 연철흠 Grouting apparatus and Method of construction work using Earth anchor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51148207A (en) * 1975-06-14 1976-12-20 Hiroshi Kumagai Mechanical anchor
JPS5225405A (en) * 1975-08-22 1977-02-25 Hiroshi Kumagai Reusable mechanical anchor
EP0104723A1 (en) * 1982-09-24 1984-04-04 Illinois Tool Works Inc. Self-undercutting masonry anchor
JPH0224416A (en) * 1988-07-13 1990-01-26 Hayama Etsuko Stabilized drive of anchor into earth
JPH0571297A (en) * 1991-01-22 1993-03-23 Hokuyou Kensetsu Kk Anchor material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51148207A (en) * 1975-06-14 1976-12-20 Hiroshi Kumagai Mechanical anchor
JPS5225405A (en) * 1975-08-22 1977-02-25 Hiroshi Kumagai Reusable mechanical anchor
EP0104723A1 (en) * 1982-09-24 1984-04-04 Illinois Tool Works Inc. Self-undercutting masonry anchor
JPH0224416A (en) * 1988-07-13 1990-01-26 Hayama Etsuko Stabilized drive of anchor into earth
JPH0571297A (en) * 1991-01-22 1993-03-23 Hokuyou Kensetsu Kk Anchor material

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