KR20030049404A - An Earth anchor - Google Patents
An Earth anchor Download PDFInfo
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- KR20030049404A KR20030049404A KR1020010079599A KR20010079599A KR20030049404A KR 20030049404 A KR20030049404 A KR 20030049404A KR 1020010079599 A KR1020010079599 A KR 1020010079599A KR 20010079599 A KR20010079599 A KR 20010079599A KR 20030049404 A KR20030049404 A KR 20030049404A
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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
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- 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
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- 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
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
본 발명은 굴착지반의 보강에 사용되는 어스 앵커에 관한 것으로서 보다 상세하게로는, 인장재를 고정하여 지지하는 앵커볼트및 앵커너트로서 구성되는 어댑터와 상기 어댑터가 그 저면에 설치되는 지지수단을 통하여 지지및 분리가능토록 설치되며 벽체에 고정되는 인장재 지지구조물을 포함하는 구성으로 지지구조물의 재활용이 가능토록 하는 어스 앵커에 관한 것이다.The present invention relates to an earth anchor used to reinforce an excavation ground, and more particularly, an anchor bolt for fixing and supporting a tension member and an adapter configured as an anchor nut, and the adapter is supported through a support means installed on the bottom thereof. And a tension support structure that is installed to be detachable and is fixed to the wall, and relates to an earth anchor that enables recycling of the support structure.
일반적인 지하 굴착공사에 있어서는 굴착을 원하는 지역에 일정간격을 갖도록 세로빔을 박은후 각각의 세로빔 사이에 흙막이 판넬을 삽입하여 토압에 대응토록 하였다.In the general underground excavation work, the vertical beams were put to have a certain distance in the area to be excavated, and a soil barrier panel was inserted between the vertical beams to cope with earth pressure.
그러나, 기초가 깊거나 공사환경의 필요에 의해 급경사로 흙파기를 할경우 흙막이판넬에 작용하는 토압이 크게 증가하게 되고, 상기 토압에 대응하도록 각각의 세로빔 상단부에 가로빔을 연결하거나, 지중에 삽입되는 인장재와 세로빔에 고정되는 앵커를 상호 연결하는 구성에 의해 토압에 저항하는 힘을 갖도록 하는 어스앵커 방식이 사용되고 있다.However, when the soil is dug at a steep slope due to the deep foundation or the need of the construction environment, the earth pressure acting on the retaining panel is greatly increased, and a horizontal beam is connected to the upper end of each vertical beam to correspond to the earth pressure, An earth anchor system is used to have a force resisting earth pressure by a structure in which the tension member to be inserted and the anchor fixed to the longitudinal beam are interconnected.
이와같은 어스앵커 방식이 대한민국 특허 등록번호132206호에 개시되어 있다.Such an earth anchor method is disclosed in Korean Patent Registration No. 132206.
즉 그 구성은 도1및 도2에서와 같이, 땅속에 뚫은 앵커구멍(1)에 인장재(5)을 삽입한후 콘트리트(4)를 타설하고, 상기 인장재(5)는 흙막이용 판넬(2)에 고정되면서 앵커와 지지구조물이 단일물로 이루어지는 인장재 지지구조물(3)에 일정 응력을 유지토록 연결되며, 상기 앵커구멍(1)에 여러개의 정착재(6)가 깊이를 달리하여 설치되고, 각 정착제(6)에는 인장재(5)가 U자 형으로 감아 걸리며, 그 끝부분이 상기 앵커구멍(1)의 바깥에서 당겨져 정착되고, 상기 정착제(6) 사이에 철근등으로 이루어진 조강재(7)가 설치되는 구성으로 이루어 진다.That is, as shown in Figs. 1 and 2, the tension member 5 is inserted into the anchor hole 1 drilled in the ground, and then the concrete 4 is poured, and the tension member 5 is the soil panel 2 It is fixed to the anchor and the support structure is connected to maintain a constant stress in the tension member supporting structure (3) consisting of a single material, a plurality of fixing materials 6 are installed in the anchor hole (1) with different depths, each fixing A tension member (5) is wound around the article (6) in a U-shape, the end portion of which is pulled out of the anchor hole (1) to be fixed, and the steel member (7) made of reinforcing steel between the fixing agent (6). Consists of the configuration to be installed.
상기와 같은 어스앵커는, 토압에 의한 응력을 흙막이용 판넬(2)에 의해 받도록 할때 상기 인장재(5)와 인장재 지지구조물(3)에 의해 그 응력을 흡수토록 함으로써 지하공사의 완료후 한번 사용되는 어스앵커는 안전상의 이유에 의해 폐기토록하며, 이때 상기 흙막이용 판넬(2)에 연결되는 인장재 지지구조물(3) 역시 일체로 형성되어 변형이 없는 부분도 전체적으로 폐기하여야 하였다.The earth anchor as described above is used once after completion of the underground construction by absorbing the stress by the tension member 5 and the tension member support structure 3 when the stress due to earth pressure is received by the panel for soil membrane 2. The earth anchor is to be discarded for safety reasons. At this time, the tension support structure (3) connected to the retaining panel (2) was also formed integrally, and the part without deformation should be discarded as a whole.
그러나, 상기와 어스앵커는, 인장재(5)를 일정 응력을 갖도록 지지하는 인장재 지지구조물(3)이 앵커와 지지구조물이 용접되는 일체형 구성으로 이루어져 어스앵커의 철거시 지지구조물(3) 전체를 폐기하여야 하여야 함으로써 변형이 없는 지지구조물의 폐기에 따른 불필요한 낭비가 발생하며, 인장재(5)와 일체로 연결되는 인장재 지지구조물(3)에 의해 철거작업이 번거롭게 되는 단점이 있는 것이다.However, the above-mentioned earth anchor is composed of an integral structure in which the tension member supporting structure 3 supporting the tension member 5 to have a constant stress is welded with the anchor and the support structure, thereby disposing the entire support structure 3 when the earth anchor is dismantled. By doing so, unnecessary waste occurs due to the disposal of the support structure without deformation, and the demolition work is cumbersome by the tension member support structure 3 which is integrally connected with the tension member 5.
이를 개선하기 위한 본 발명의 목적은, 어스앵커의 설치및 철거작업이 용이하게 이루어지도록 하고, 인장재 지지구조물의 재활용이 가능하도록 하는 어스앵커를 제공하는데 있다.An object of the present invention for improving this is to provide an earth anchor to facilitate the installation and removal of the earth anchor, and to enable the recycling of the tension support structure.
도1은 종래의 어스앵커 장착 상태를 도시한 단면도.1 is a cross-sectional view showing a conventional earth anchor mounting state.
도2는 종래의 어스앵커 장착 상태를 도시한 사시도.Figure 2 is a perspective view showing a conventional earth anchor mounting state.
도3은 본 발명에 따른 어스앵커의 장착상태를 도시한 단면도.Figure 3 is a cross-sectional view showing the mounting state of the earth anchor in accordance with the present invention.
도4는 본 발명에 따른 어스앵커의 장착상태를 도시한 사시도.Figure 4 is a perspective view showing a mounting state of the earth anchor in accordance with the present invention.
도5a,b,c는 각각 본 발명의 다른 실시에 따른 어댑터를 도시한 사시도.5a, b, and c are perspective views each showing an adapter according to another embodiment of the present invention.
*도면의 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
100...세로빔 130..흙막이 판넬100 ... vertical beam 130 ... soil panel
200...어댑터 300...지지구조물200 ... adapter 300 ... support structure
상기 목적들을 달성하기 위해 본 발명은, 지하굴착공간의 벽면에 일정간격 이격되며, 벽면의 토압에 대응토록 다수의 흙막이 판넬이 삽입되는 세로빔;In order to achieve the above object, the present invention is a vertical beam spaced apart at a predetermined interval on the wall surface of the underground excavation space, the vertical beam is inserted into a plurality of earthen panels to correspond to the earth pressure of the wall;
벽면에 뚫은 앵커구멍에 삽입된후 그 내측에 타설되는 콘트리트로서 지지되는 인장재;A tension member inserted into the anchor hole drilled in the wall and supported as concrete poured therein;
상기 세로빔에 연결되는 가로빔을 개재하여 각각 연결되며, 인장재가 각각 연결되는 앵커볼트및 상기 앵커볼트를 지지토록 지지홀을 갖는 앵커너트로서 구성되고, 저면에 지지수단이 설치되는 어댑터;및,Adapters each connected via a horizontal beam connected to the longitudinal beam, the anchor bolt is connected to each of the tension member and the anchor nut having a support hole for supporting the anchor bolt, the support means is installed on the bottom; And,
상기 어댑터가 고정및 분리가능토록 설치되는 지지구조물을 포함하여 구성되는 어스앵커가 제공된다.An earth anchor is provided that includes a support structure to which the adapter is secured and detachable.
이하, 첨부된 도면에 의거하여 본 발명의 실시예를 상세하게 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도3 내지 도5에서 도시한 바와같이 본 발명은, 지하굴착공간(미도시)의 벽면(120)에 일정간격 이격되어 다수개 설치되며, 벽면(120)의 토압에 대응토록 다수의 흙막이 판넬(130)이 삽입되는 세로빔(100)이 설치된다.As shown in Figure 3 to 5, the present invention, a plurality of spaced apart at regular intervals are installed on the wall surface 120 of the underground excavation space (not shown), a plurality of earthquake panels to correspond to the earth pressure of the wall surface (120) The vertical beam 100 into which the 130 is inserted is installed.
또한, 상기 벽면(120)에 일정구경과 깊이를 갖도록 앵커구멍(150)을 천공한후 그 내측에 인장재(160)가 삽입되며, 상기 앵커구멍(150)에 삽입되는 인장재(160)의 둘에에 콘트리트(170)가 타설되어 인장재(160)가 벽면(120)에 고정된다.In addition, after drilling the anchor hole 150 to have a predetermined diameter and depth on the wall surface 120, the tension member 160 is inserted therein, and the two tension members 160 inserted into the anchor hole 150 Concrete 170 is poured into the tension member 160 is fixed to the wall surface (120).
상기 세로빔(100)에는 가로방향의 가로빔(100b)이 이격 설치되어 그 사이에 어댑터(200)가 연결된다.The horizontal beam 100b is installed on the vertical beam 100 so that the adapter 200 is connected therebetween.
상기 어댑터(200)는, 인장재(160)의 일측에 각각 연결되는 원주형상의 앵커볼트(210)및 상기 앵커볼트(210)를 지지토록 동일 형상의 지지홀(220a)을 갖는 사각 형상의 앵커너트(220)로서 구성되고, 저면에 지지구조물(300)에 지지되는 지지수단이 설치된다.The adapter 200 has a square anchor nut having a cylindrical anchor bolt 210 and a support hole 220a having the same shape to support the anchor bolt 210 connected to one side of the tension member 160, respectively. It is configured as 220, the support means which is supported on the support structure 300 is installed on the bottom.
상기 지지수단은, 상기 앵커너트(220)의 저면 모서리부에 각각 돌출되는 지지돌턱(220c)으로 이루어 져도 좋다.The support means may be made of a support protrusion 220c protruding from the bottom edge of the anchor nut 220, respectively.
또한, 상기 지지수단은, 상기 앵커너트(220)의 저면 모서리부에 네곳에서 상호 교차되는 고정요홀(220d)로 이루어져도 좋다.In addition, the support means may be made of fixing yaw hole 220d crossing each other at four corners of the bottom surface of the anchor nut 220.
더하여, 상기 지지수단은, 상기 앵커너트(220)의 저면에 설치되는 ㄷ자 형상의 지지판(220f)으로 이루어져도 좋으며, 상기 지지판(220f)은 지지구조물(300)의 사면이 지지토록 형성된다.In addition, the support means may be made of a U-shaped support plate 220f installed on the bottom surface of the anchor nut 220, the support plate 220f is formed so that the slope of the support structure 300 is supported.
상기 인장재(160)가 연결되는 어댑터(200)를 고정및 분리토록 설치되는 지지구조물(300)은, 수직방향의 제1부재(310)및 그 내측에 일정경사를 각각 갖도록 연결되는 제2부재(320)및 상기 제1부재(310)의 저면에 연결되는 제3부재(330)로서 구성된다.The support structure 300 installed to fix and separate the adapter 200 to which the tension member 160 is connected may include a first member 310 in a vertical direction and a second member connected to have a predetermined slope therein. 320 and a third member 330 connected to the bottom surface of the first member 310.
또한, 상기 지지구조물(300)은, 제3부재(330)를 가로빔(100b)에 각각 용접하여 고정하여도 좋다.In addition, the support structure 300 may be fixed by welding the third member 330 to the horizontal beam 100b, respectively.
또한, 상기 지지구조물(300)은, 제3부재(330)와 가로빔(100b)에 각각 볼트공을 형성하여 볼트결합(350)에 의해 고정하여도 좋다.In addition, the support structure 300 may be bolted to the third member 330 and the horizontal beam (100b) to be fixed by the bolt coupling 350, respectively.
그리고, 상기 제1부재(310)의 상부에 어댑터(200)의 요동을 방지토록 평탄면인 어댑터지지면(310a)이 형성되고, 상기 제1부재(310)를 연결토록 연결판(310b)이 고정되는 구성으로 이루어 진다.In addition, an adapter support surface 310a is formed on the upper portion of the first member 310 to prevent the adapter 200 from swinging, and the connecting plate 310b is connected to connect the first member 310. It is made of a fixed configuration.
이와같은 구성으로 이루어진 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention made of such a configuration as follows.
도3 내지 도5에서와 같이, 지하굴착공간(미도시)의 벽면(120)에 일정간격 이격되어 다수개 세로빔(100)을 설치하고, 상기 세로빔(100) 사이에는 흙막이 판넬(130)을 삽입하여 벽면(120)으로 부터의 토압에 대응토록 한다.3 to 5, a plurality of vertical beams 100 are installed on the wall surface 120 of the underground excavation space (not shown) at regular intervals, and the earth screen panel 130 is disposed between the vertical beams 100. Insert to correspond to the earth pressure from the wall surface (120).
이때, 상기 벽면(120)에 작용하는 일정 이상의 토압이 상기 세로빔(100)의 직교토록 연결되는 가로빔(100b)에 어댑터(200)를 통하여 인장재(160)를 고정함으로써 대응토록 된다.At this time, a predetermined or more earth pressure acting on the wall surface 120 is fixed by fixing the tension member 160 through the adapter 200 to the horizontal beam 100b connected to be orthogonal to the vertical beam 100.
그리고, 상기 인장재(160)는, 벽면(120)에 일정구경과 깊이를 갖도록 앵커구멍(150)을 천공한후 그 내측에 삽입될때 인장재(160)의 둘레에 타설되는 콘트리트(170)에 의해 벽면(120)에 고정됨으로써 토압에 대응되는 지지력을 어댑터(200)에 작용시킨다.In addition, the tension member 160 is drilled through the anchor hole 150 to have a predetermined diameter and depth on the wall surface 120, and then inserted into the wall surface by the concrete 170 cast around the tension member 160. By being fixed to the 120, a support force corresponding to the earth pressure is applied to the adapter 200.
또한, 상기 가로빔(100b)에 지지되는 지지구조물(300)은, 가로빔(100b)에 일체로 용접되어 고정되어도 좋으며, 바람직하게로는 결합볼트(350)에 의해 가로빔(100b)에 고정되어 분해및 결합시간을 단축시킬수 있도록 하는 것이 좋다.In addition, the support structure 300 supported by the horizontal beam 100b may be integrally welded and fixed to the horizontal beam 100b, and preferably fixed to the horizontal beam 100b by a coupling bolt 350. It is better to reduce the decomposition and bonding time.
계속하여, 지지구조물(300)에 지지및 분리가능토록 설치되는 어댑터(200)는, 저면에 설치되는 지지수단을 통하여 지지구조물에 고정되어 어댑터(200)의 폐기시 전체를 폐기할 필요없이 외력에 의해 변형되는 어댑터(200) 만을 폐기하면 된다.Subsequently, the adapter 200, which is installed to be supported and detachable to the support structure 300, is fixed to the support structure through a support means installed on the bottom, so that the entire structure is not disposed of when the adapter 200 is disposed of. It is only necessary to discard the adapter 200 which is deformed.
도3에서와 같이 상기 지지구조물(300)의 상측에 분리 가능토록 설치되는 어댑터(200)의 지지수단은, 어댑터의 저면 모서리부에 다수의 지지돌턱(220c)이 일체로 각각 돌출 형성되는 구성으로 이루어져 각각의 지지돌턱(220c)이 지지구조물(300)의 제1부재(310)와 제2부재(320)의 내측에 각각 밀착 지지될때 이동이 방지토록 되면서 지지구조물(300)에 압력을 분산시키도록 한다.As shown in Figure 3, the support means of the adapter 200, which is detachably installed on the upper side of the support structure 300, is a configuration in which a plurality of support projections 220c are integrally formed to protrude from the bottom edge of the adapter, respectively. Comprised of each support step 220c is to be supported in close contact with the inside of the first member 310 and the second member 320 of the support structure 300, respectively, to prevent the movement to distribute the pressure to the support structure 300 To do that.
또한, 도5a에서와 같이 상기 지지수단은, 상기 앵커너트(220)의 저면 모서리부에 네곳에서 상호 교차되는 고정요홀(220d)로서 이루어져 지지구조물(300)중 제1,2부재가 각각 삽입되어 어댑터의 이동이 방지토록 되면서 지지구조물(300)의 압력을 분산시킨다.In addition, as shown in Figure 5a, the support means is formed as a fixed yaw hole 220d intersecting at four places at the bottom edge of the anchor nut 220, the first and second members of the support structure 300 is inserted, respectively The pressure of the support structure 300 is dispersed while preventing the movement of the adapter.
더하여, 도5b에서와 같이 상기 지지수단은, 상기 앵커너트(220)의 저부에 결합되는 ㄷ자 형상의 지지판(220f)으로 구성되어 지지구조물(300)의 상부면에 각각 지지되어 어댑터의 이동이 방지토록 되면서 지지구조물(300)에 압력을 분산토록 하고, 상기 지지판(220f)은 절곡부에 형성되는 볼트공을 통하여 지지구조물에 결합되어도 좋다.In addition, the support means, as shown in Figure 5b is composed of a U-shaped support plate 220f coupled to the bottom of the anchor nut 220 is supported on the upper surface of the support structure 300, respectively, to prevent the movement of the adapter While being able to distribute the pressure to the support structure 300, the support plate 220f may be coupled to the support structure through a bolt hole formed in the bent portion.
이때, 상기 지지판(220f)은, 절곡되는 양면이 제2부재(320)의 외측면에 각각 밀착되고 돌출되는 타측면이 제1부재(310)에 의해 각각 지지되어 어댑터의 이동이 방지토록 되면서 지지구조물(300)에 압력을 분산토록 한다.At this time, the support plate 220f is supported while being bent both sides are in close contact with the outer surface of the second member 320 and the other side surface is protruded by the first member 310 to prevent movement of the adapter. The pressure is distributed to the structure 300.
상기와 같은 구성에 의해 지지되는 어댑터는, 공사의 완료시 폐기되는 어댑터(200)가 지지구조물(300)에 일체로 고정됨으로써 발생되는 불필요한 낭비를 방지토록 하고, 상기 어댑터(200)를 지지구조물(300)에서 용이하게 분리토록 하는 구성에 의해 지지구조물의 재활용이 가능토록 된다.The adapter supported by the above configuration prevents unnecessary waste caused by the adapter 200 disposed upon completion of construction by being integrally fixed to the support structure 300, and supports the adapter 200 with the support structure ( It is possible to recycle the support structure by the configuration to facilitate separation in 300).
그리고, 상기 어댑터(200)의 저면에 형성되는 지지수단은, 금형등에 의해 일체로 형성되어도 좋으며, 부재를 용접하는 방법에 의해 형성되어도 좋다.And the support means formed in the bottom face of the said adapter 200 may be formed integrally with a metal mold | die, etc., and may be formed by the method of welding a member.
이와같이 본 발명에 의하면, 어댑터를 지지구조물의 상측에서 분리및 고정하는 구성에 의해 인장재가 연결되는 어스앵커의 설치및 철거작업이 용이하게 이루어지고, 변형이 없는 지지구조물을 재활용하여 비용을 절감하며, 어스앵커의 설치및 철거작업을 신속하게 수행하는 효과가 있는 것이다.As described above, according to the present invention, the installation and dismantling of the earth anchors to which the tension members are connected by the configuration of separating and fixing the adapter from the upper side of the support structure can be easily performed, and the cost can be reduced by recycling the support structure without deformation, It is effective to quickly install and dismantle the earth anchor.
본 발명은 특정한 실시예에 관련하여 도시하고 설명 하였지만, 이하의 특허청구범위에 의해 제공되는 본 발명의 정신이나 분야를 벗어나지 않는 한도내에서 본 발명이 다양하게 개량 및 변화될수 있다는 것을 당업계에서 통상의 지식을 가진자는 용이하게 알수 있음을 밝혀 두고자 한다.While the invention has been shown and described with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit or scope of the invention as provided by the following claims. I would like to clarify that those who have knowledge of this can easily know.
Claims (6)
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KR10-2001-0079599A KR100464929B1 (en) | 2001-12-14 | 2001-12-14 | An Earth anchor |
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KR2020010038787U Division KR200270098Y1 (en) | 2001-12-15 | 2001-12-15 | An Earth anchor |
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CN114906242A (en) * | 2022-05-23 | 2022-08-16 | 中国水利水电建设工程咨询西北有限公司 | Intelligent anchor cable installation method |
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KR100832101B1 (en) | 2007-02-01 | 2008-05-29 | 주식회사 삼우기초기술 | Supporting device for a ground anchor fixing equipment |
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JP3041972U (en) * | 1997-03-31 | 1997-10-03 | 株式会社間組 | Anchor pedestal |
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