KR101175622B1 - Ground anchor monitoring system - Google Patents

Ground anchor monitoring system Download PDF

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Publication number
KR101175622B1
KR101175622B1 KR1020120033036A KR20120033036A KR101175622B1 KR 101175622 B1 KR101175622 B1 KR 101175622B1 KR 1020120033036 A KR1020120033036 A KR 1020120033036A KR 20120033036 A KR20120033036 A KR 20120033036A KR 101175622 B1 KR101175622 B1 KR 101175622B1
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KR
South Korea
Prior art keywords
ring
steel wire
measuring device
anchor
ground
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KR1020120033036A
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Korean (ko)
Inventor
유문식
Original Assignee
유문식
주식회사 브리텍
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Priority to KR1020120033036A priority Critical patent/KR101175622B1/en
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Publication of KR101175622B1 publication Critical patent/KR101175622B1/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
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0029—Steel; Iron
    • E02D2300/0034—Steel; Iron in wire form

Abstract

PURPOSE: A ground anchor with a buried-type tension measurement device is provided to easily replace a damaged component by enabling the easy installation and dismantlement of a tension measurement device. CONSTITUTION: A ground anchor with a buried-type tension measurement device comprises a PC steel wire(10), a grout material(20), a pressure plate(30), a pressing cap(40), and a tension measurement device(100). The PC steel wire is inserted into an anchor hole formed on the ground(1). The anchor hole is filled with the grout material. The pressure plate is fitted to the front end of the PC wire. The pressing cap is coupled to the PC steel wire to press the pressure plate. The tension measurement device is inserted into the anchor hole to measure the tension change of the PC steel wire.

Description

지중 매입형 장력측정장치가 부착된 지중앵커{GROUND ANCHOR MONITORING SYSTEM}Ground anchor with underground buried tension measuring device {GROUND ANCHOR MONITORING SYSTEM}

본 발명은 지중앵커에 관한 것으로서, 더욱 상세하게는 절개지 등과 같은 연약지반의 지지를 위해 지중에 시공되어지는 지중앵커의 장력측정장치 설치 구조에 관한 것이다.The present invention relates to underground anchors, and more particularly, to a structure for installing a tension measuring device for underground anchors, which is constructed in the ground for supporting soft ground such as an incision.

일반적으로 지중앵커는 연약지반의 굴착시 토류벽을 지지하기 위해 지중에 박혀서 고정된다. 이러한 지중앵커는 지중에 매립상태로 고정되어 지중의 지지력을 통해 콘크리트구조물을 지지한다.In general, underground anchors are embedded in the ground to support the earth walls during excavation of soft ground. These underground anchors are fixed in the ground to support the concrete structure through the support of the ground.

즉, 지중앵커는 경사면의 지중에 길게 형성된 앵커공에 삽입된 상태로 일단부에 결합된 콘크리트구조물을 지지한다. 이때, 지중앵커는 철근이나 강선형태가 주로 사용되며, 지중 앵커공에는 그라우트가 충전 경화됨으로서 철근 또는 강선이 안정적으로 정착되어지게 된다.That is, the underground anchor supports the concrete structure coupled to one end in a state inserted into the anchor hole formed in the ground of the slope. In this case, the underground anchor is mainly used in the form of reinforcing steel or steel wire, the ground anchor hole is a hardening of the reinforcing steel or steel wire by the hardening of the grout.

한편, 이러한 앵커는 시공과정에서 구조물에 대한 가압력 유지를 위한 장력이 인가되어지게 되는데, 설치 후 점차 앵커의 장력이 감소되어지게 됨으로 이러한 장력 감소를 계측하기 위해 종래에는 장력계측센서가 앵커의 일단부에 장착되어지게 된다.On the other hand, the anchor is applied to the tension for maintaining the pressing force on the structure during the construction process, the tension of the anchor is gradually reduced after installation, so in order to measure the decrease in the conventional tension measurement sensor is conventionally one end of the anchor To be mounted on.

그러나, 종래 기술에서는 장력계측센서가 외부에 노출된 상태로 설치가 이루어짐으로서, 외부 충격에 의해 파손이 발생하게 됨과 함께 표면 부식에 따른 내구연한이 짧은 문제점이 있었다.
However, in the prior art, since the tension measuring sensor is installed in a state exposed to the outside, breakage occurs due to an external impact, and the durability of the surface corrosion is short.

본 발명은 상기한 종래 장력계측장치 설치에 있어서의 문제점을 개선하기 위해 제안된 것으로서, 장력계측장치를 지중에 매입되는 형태로 설치가 가능하도록 함과 함께 앵커와의 비접촉식 설치가 이루어지도록 하여 제품의 손상방지 및 기능성을 향상시키도록 하는데 목적이 있다.
The present invention has been proposed to improve the above-mentioned problems in the conventional tension measuring device installation, the tension measuring device can be installed in the form of embedded in the ground and the contactless installation with the anchor is made of the product The purpose is to prevent damage and improve functionality.

상기 목적을 이루기 위한 본 발명은, 지중에 형성된 앵커공에 일정 길이의 피씨강선이 삽입 설치되고, 상기 앵커공에는 피씨강선의 정착을 위한 그라우트재가 충진되어지며, 상기 피씨강선의 선단부에는 지표면에 형성된 콘크리트와 대응되는 지압판이 끼워지고, 상기 피씨강선에는 지압판의 가압을 위한 가압캡이 결합 구성되는 지중앵커에 있어서, 상기 앵커공 내에는 피씨강선의 장력변화 측정을 위한 장력측정장치가 삽입 구비된 것을 특징으로 한다.The present invention for achieving the above object, the PC steel wire of a certain length is inserted into the anchor hole formed in the ground, the anchor hole is filled with a grout material for the fixing of the PC steel wire, the tip portion of the PC steel wire formed on the ground surface The pressure plate corresponding to the concrete is fitted, and in the underground anchor is coupled to the PC steel wire pressure cap for pressurizing the pressure plate, the anchor hole is provided with a tension measuring device for measuring the tension change of the PC steel wire It features.

이러한 본 발명의 지중 매입형 장력측정장치가 부착된 지중앵커(GROUND ANCHOR MONITORING SYSTEM;GAM)은, 앵커의 장력변화를 감지할 수 있는 장력측정장치가 지중에 매입 설치됨으로서 외부충격에 따른 파손발생이 방지되는 효과를 나타낸다.Ground anchor type (GROUND ANCHOR MONITORING SYSTEM; GAM) is attached to the ground-mounted tension measuring device of the present invention, the breakage caused by the external impact by installing a tension measuring device that can detect the tension change of the anchor in the ground Exhibits an effect that is prevented.

특히, 본 발명에서의 장력측정장치는 자성의 크기 변화를 측정하는 비접촉식 시스템 구성으로 측정 신뢰성을 향상시킴과 함께 반영구적 사용이 가능한 이점을 나타낸다.In particular, the tension measuring device in the present invention exhibits the advantage that it can be used semi-permanently while improving the measurement reliability by the non-contact system configuration for measuring the change in size of the magnetic.

또한, 장력측정장치의 분해. 결합이 용이한 구조를 이룸으로서 부품 파손시 교체가 용이하게 이루어질 수 있게 된다.
Also disassemble the tension measuring device. By making the structure easy to combine it can be made easily replaceable in case of component breakage.

도 1은 본 발명의 지중앵커 설치 상태 단면도.
도 2는 본 발명 지중앵커 구조도.
도 3은 본 발명에서의 장력측정장치 개략 단면도.
도 4는 본 발명에서의 장력측정장치 동작 모식도.
도 5는 본 발명에서의 장력측정장치 제품 분해 단면도.
도 6은 본 발명에서의 장력측정장치 제품 분해 측면도.
도 7은 본 발명에서의 장력측정장치 링 부품 구조도.
도 8은 본 발명에서의 장력측정장치 결합 단면도.1 is a cross-sectional view of the underground anchor installation state of the present invention.
2 is a structural diagram of the present invention underground anchors.
Figure 3 is a schematic cross-sectional view of the tension measuring device in the present invention.
Figure 4 is a schematic diagram of the operation of the tension measuring device in the present invention.
Figure 5 is an exploded cross-sectional view of the tension measuring device product in the present invention.
Figure 6 is an exploded side view of the tension measuring device product in the present invention.
7 is a structural diagram of the tension measuring device ring component in the present invention.
8 is a cross-sectional view of the tension measuring device of the present invention.

이하, 본 발명의 구체적인 실시 예를 첨부 도면을 참조하여 상세히 살펴보기로 한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명의 일 실시 예에 따른 자중매입형 장력측정장치의 앵커 설치구조를 살펴보면, 경사면이나 비탈면 등의 지중(1)에 천공작업을 통해 형성된 앵커공에 일정 길이의 피씨강선(10)이 삽입 설치되고, 상기 앵커공에는 피씨강선(10)의 정착을 위한 그라우트재(20)가 충진되어지며, 상기 피씨강선(10)의 선단부에는 지표면에 형성된 콘크리트(2)와 대응되는 지압판(30)이 끼워지고, 상기 피씨강선(10)에는 지압판(30)의 가압을 위한 가압캡(40)이 결합 구성되며, 지중 앵커공 내에는 피씨강선(10)의 장력변화 측정을 위한 장력측정장치(100)가 삽입 구성되어지게 된다.First, looking at the anchor installation structure of the self-weighted tension measuring device according to an embodiment of the present invention, the PC steel wire 10 of a predetermined length in the anchor hole formed through the drilling work in the ground (1), such as the slope or slope Inserted and installed, the anchor hole is filled with a grout material 20 for fixing the PC steel wire 10, the chisel plate 30 corresponding to the concrete (2) formed on the ground surface of the PC steel wire 10 Is fitted, the PC steel wire 10 is configured to be coupled to the pressure cap 40 for pressurizing the pressure plate 30, the tension measuring device for measuring the tension change of the PC steel wire 10 in the underground anchor hole (100) ) Will be inserted.

특히, 본 발명에서의 장력측정장치(100)는 도 3 및 도 4의 개략도에서 나타내어지는 바와 같이 피씨강선(10)의 둘레를 감싸는 1차코일(110) 및 2차코일(120)로 이루어지며, 그중 1차코일(110)에는 전류를 공급하여 피씨강선(10)을 자화시키기 위한 전원부(130)가 연결되고, 2차코일부(120)에는 피씨강선(10)의 자성크기 변화를 측정하기 위한 변위계측부(140)가 연결 구성되었다.In particular, the tension measuring device 100 in the present invention is composed of a primary coil 110 and a secondary coil 120 surrounding the circumference of the PC steel wire 10 as shown in the schematic diagrams of FIGS. Of these, the primary coil 110 is connected to a power supply unit 130 for supplying a current to magnetize the PC steel wire 10, the secondary coil 120 for measuring the magnetic size change of the PC steel wire 10 Displacement measurement unit 140 is configured to be connected.

한편, 도 5 및 도 6은 본 실시 예에 따른 장력측정장치(100)의 구체적인 단면 구조를 나타낸 것으로서, 1차코일(110) 및 2차코일(120)이 각각 외벽면에 감겨지는 보빈본체(100')와, 내측에 감겨지는 상기 2차코일(120)을 감싸도록 구비됨으로서 외측에 감겨지는 1차코일(110)과 절연상태를 이루도록 하는 내부커버(101)와, 상기 보빈본체(100')의 양단부에 대칭형태로 결합 구성되는 마감링(103,103')과, 상기 1차코일(110)의 외부 노출을 방지하기 위해 보빈본체(100')의 둘레를 감싸며 구성되고 양 단부에서 마감링(103,103')과 나사체결이 이루어지는 외부커버(102)로 구성됨을 확인할 수 있다. On the other hand, Figure 5 and Figure 6 shows a specific cross-sectional structure of the tension measuring device 100 according to the present embodiment, the primary coil 110 and the secondary coil 120 are respectively wound on the outer wall surface of the bobbin body ( 100 '), and the inner cover 101 to be insulated with the primary coil 110 wound on the outside by being provided to surround the secondary coil 120 wound inside, and the bobbin body 100' End rings 103 and 103 ′ which are symmetrically coupled to both ends thereof, and wrap around the bobbin body 100 ′ in order to prevent external exposure of the primary coil 110. 103, 103 ') and the outer cover 102 is a screw fastening can be confirmed.

특히, 보빈본체(100')의 일측에는 마감링(103) 내측에 보조링(104)이 결합 구비되며, 상기 보조링(104)과 마감링(103) 사이에는 간격 지지를 위한 간격유지링(105)이 구성되며, 상기 보조링(104)에는 1차코일(110) 및 2차코일(120)이 외부로 안내되어지도록 코일안내홈(104a)이 외주면에 형성되어지고, 상기 마감링(103)에는 코일안내공(103a)이 관통 형성되며, 상기 마감링(103,103')에는 외부커버(102)와의 나사체결을 위한 나사체결홈(103b)이 형성된다.In particular, one side of the bobbin body (100 ') is provided with an auxiliary ring 104 is coupled to the interior of the finishing ring 103, the gap between the auxiliary ring 104 and the finishing ring 103 for maintaining the gap (for spacing support) 105 is configured, and the auxiliary ring 104 has a coil guide groove 104a formed on an outer circumferential surface thereof so that the primary coil 110 and the secondary coil 120 are guided to the outside, and the closing ring 103 Coil guide hole (103a) is formed in the through, and the closing ring (103, 103 ') is formed with a screw fastening groove (103b) for screwing with the outer cover (102).

그리고, 마감링(103,103') 및 보조링(104)은 동일한 외경(D)으로 구비되고, 상기 간격유지링(105)은 마감링(103,103') 및 보조링(104)보다 상대적으로 작은 외경(d)으로 구비됨으로서 온도센서(미도시) 설치를 위한 공간이 내부의 보조링(104)과 마감링(103) 사이에 형성되어지도록 함이 바람직하다.The finishing rings 103 and 103 'and the auxiliary ring 104 are provided with the same outer diameter D, and the spacing retaining ring 105 has an outer diameter relatively smaller than the finishing rings 103 and 103' and the auxiliary ring 104. As it is provided with d) it is preferable that a space for installing a temperature sensor (not shown) is formed between the auxiliary ring 104 and the finishing ring 103 therein.

또한, 보빈본체(100')의 양단부에는 나사산이 형성되고, 마감링(103,103') 및 보조링(104)에도 나사산이 형성됨으로서 상호간에 나사결합이 이루어짐이 바람직하다.In addition, threads are formed at both ends of the bobbin body 100 ', and threads are also formed at the finishing rings 103 and 103' and the auxiliary ring 104, so that screwing is formed between each other.

이와 같은 구성을 이루는 본 발명 장력측정장치(100)의 제작과정 및 장력측정장치가 부착된 지중앵커의 시공과정 그리고 시공 설치에 따른 작용효과를 살펴보기로 한다.The fabrication process of the present invention measuring the tension measuring device 100 and the construction process of the underground anchor with the tension measuring device is configured to look at the effect of the installation.

먼저, 장력측정장치(100)의 제작과정을 살펴보면, 보빈본체(100')의 양단부에 마감링(103,103')을 포함하여 보조링(104) 및 간격유지링(105)을 나사체결시킨 상태에서 보빈본체(100') 중앙에 2차코일(120)을 감아주고 코일의 양단부는 변위계측부(140)와의 연결을 위해 외측으로 빼주게 된다.First, looking at the manufacturing process of the tension measuring device 100, including the finishing ring (103, 103 ') on both ends of the bobbin body (100') in the state of screwing the auxiliary ring 104 and the gap retaining ring 105 The secondary coil 120 is wound around the bobbin body 100 ′, and both ends of the coil are pulled out for connection with the displacement measuring unit 140.

즉, 이때에는 2차코일(120)이 보조링(104)의 코일안내홈(104a) 및 마감링(103)의 코일안내공(103a)을 통해 외부로 연장되어지게 된다.That is, at this time, the secondary coil 120 is extended to the outside through the coil guide groove 104a of the auxiliary ring 104 and the coil guide hole 103a of the closing ring 103.

이후, 2차코일(120)을 감싸도록 내부커버(101)를 장착시킨 후 1차코일(110)을 감아주게 되며, 1차코일(110) 역시 보조링(104)의 코일안내홈(104a) 및 마감링(103)의 코일안내공(103a)을 통해 외부로 연장되어지게 된다.Subsequently, after mounting the inner cover 101 to surround the secondary coil 120, the primary coil 110 is wound up, and the primary coil 110 also coil guide groove 104a of the auxiliary ring 104. And it is extended to the outside through the coil guide hole (103a) of the closing ring (103).

그리고, 외부커버(102)를 결합시킨 후 볼트를 이용하여 양단의 마감링(103,103')과 고정시킴으로서 장력측정장치(100)의 제작이 완료되게 된다.Then, by coupling the outer cover 102 and fixed to the finishing rings (103, 103 ') of both ends by using a bolt to manufacture the tension measuring device 100 is completed.

이와 같이 제작이 이루어진 장력측정장치(100)는 도 1에서 나타내어지는 바와 같이 지중(1)에 형성된 앵커공에 설치되는 피씨강선(10)에 삽입 설치되어 피씨강선(10)의 장력변화를 측정하게 된다.The tension measuring device 100 is manufactured as described above is inserted into the PC steel wire 10 is installed in the anchor hole formed in the ground (1) as shown in Figure 1 to measure the tension change of the PC steel wire (10) do.

즉, 전원부(130)로 부터 1차코일(110)에 전류가 공급되어지게 되면 피씨강선(10)이 자화됨으로서 자성체가 되고, 따라서 강선이 장력을 받음에 따른 자성의 변화를 2차코일(120)에서 측정하여 변위계측부(140)에 전달되어지게 됨으로서 피씨강선(10)의 장력 변화를 실시간으로 확인할 수 있게 되는 것이다.That is, when the current is supplied from the power supply unit 130 to the primary coil 110, the PC steel wire 10 becomes a magnetic material by magnetizing, and thus the secondary coil 120 changes the magnetic properties according to the tension of the steel wire. By being measured in the) will be transmitted to the displacement measurement unit 140 will be able to check the tension change of the PC steel wire 10 in real time.

특히, 본 발명에서의 장력측정장치(100)는 외부 노출이 이루어지지 않도록 지중에 매입 설치됨으로서 외부충격에 따른 파손발생이 방지되어질 수 있게 됨을 알 수 있다.
In particular, it can be seen that the tension measuring device 100 in the present invention can be prevented from occurring due to external impact by being installed in the ground so that the external exposure is not made.

10 : 피씨강선 20 : 그라우트재
30 : 지압판 40 : 가압캡
50 : 스페이서 60 : 지압링
100 : 장력측정장치 100': 보빈본체
101 : 내부커버 102 : 외부커버
103,103': 마감링 103a: 코일안내공
103b: 나사체결홈 104 : 보조링
104a: 코일안내홈 105 : 간격유지링
110 : 1차코일 120 : 2차코일
130 : 전원공급부 140 : 변위계측부10: PC steel wire 20: grout material
30: pressure plate 40: pressure cap
50: spacer 60: acupressure ring
100: tension measuring device 100 ': bobbin body
101: inner cover 102: outer cover
103,103 ': Finishing ring 103a: Coil guide
103b: screw tightening groove 104: auxiliary ring
104a: coil guide groove 105: spacing retaining ring
110: primary coil 120: secondary coil
130: power supply unit 140: displacement measuring unit

Claims (5)

지중(1)에 형성된 앵커공에 일정 길이의 피씨강선(10)이 삽입 설치되고, 상기 앵커공에는 피씨강선(10)의 정착을 위한 그라우트재(20)가 충진되어지며, 상기 피씨강선(10)의 선단부에는 지표면에 형성된 콘크리트(2)와 대응되는 지압판(30)이 끼워지고, 상기 피씨강선(10)에는 지압판(30)의 가압을 위한 가압캡(40)이 결합 구성되는 지중앵커에 있어서,
상기 지중 앵커공 내에는 피씨강선(10)의 장력변화 측정을 위한 장력측정장치(100)가 삽입 구비되고;
상기 장력측정장치(100)는 1차코일(110) 및 2차코일(120)이 각각 외벽면에 감겨지는 보빈본체(100')와, 내측에 감겨지는 상기 2차코일(120)을 감싸도록 구비됨으로서 외측에 감겨지는 1차코일(110)과 절연상태를 이루도록 하는 내부커버(101)와, 상기 보빈본체(100')의 양단부에 대칭형태로 결합 구성되는 마감링(103,103')과, 상기 1차코일(110)의 외부 노출을 방지하기 위해 보빈본체(100')의 둘레를 감싸며 구성되고 양 단부에서 마감링(103,103')과 나사체결이 이루어지는 외부커버(102)로 구성되며;
상기 보빈본체(100')의 일측에는 마감링(103) 내측에 보조링(104)이 결합 구비되며, 상기 보조링(104)과 마감링(103) 사이에는 간격 지지를 위한 간격유지링(105)이 구성되며, 상기 보조링(104)에는 1차코일(110) 및 2차코일(120)이 외부로 안내되어지도록 코일안내홈(104a)이 외주면에 형성되어지고, 상기 마감링(103)에는 코일안내공(103a)이 관통 형성되며, 상기 마감링(103,103')에는 외부커버(102)와의 나사체결을 위한 나사체결홈(103b)이 형성된 것을 특징으로 하는 자중 매입형 장력측정장치가 부착된 지중앵커.A PC steel wire 10 having a predetermined length is inserted into and installed in the anchor hole formed in the ground 1, and the anchor hole is filled with a grout material 20 for fixing the PC steel wire 10, and the PC steel wire 10 In the ground anchor is fitted with a pressure plate 30 corresponding to the concrete (2) formed on the ground surface, the pressure cap 40 for pressing the pressure plate 30 is coupled to the PC steel wire 10 in the tip portion of the) ,
The underground anchor hole is provided with a tension measuring device (100) for measuring the tension change of the PC steel wire (10);
The tension measuring device 100 is to wrap the bobbin body (100 ') is wound around the outer wall surface and the primary coil (110) and the secondary coil (120), respectively, to wrap the secondary coil (120) wound inside The inner cover 101 to be insulated with the primary coil 110 wound on the outside by being provided, and finishing rings 103 and 103 'coupled to both ends of the bobbin body 100' in a symmetrical form, and It consists of an outer cover (102) wrapped around the bobbin body (100 ') to prevent external exposure of the primary coil (110) and having a closing ring (103, 103') and screwing at both ends;
One side of the bobbin body 100 ′ is provided with an auxiliary ring 104 coupled to the inside of the finishing ring 103, and a gap maintaining ring 105 for supporting the gap between the auxiliary ring 104 and the finishing ring 103. The coil guide groove 104a is formed on the outer circumferential surface of the auxiliary ring 104 so that the primary coil 110 and the secondary coil 120 are guided to the outside. Coil guide hole (103a) is formed through, and the self-loading tension measuring device is attached to the closing ring (103, 103 ') is formed with a screw fastening groove (103b) for screwing with the outer cover (102) Underground anchors. 삭제delete 삭제delete 삭제delete 청구항 1에 있어서,
상기 마감링(103,103') 및 보조링(104)은 동일한 외경(D)으로 구비되고, 상기 간격유지링(105)은 마감링(103,103') 및 보조링(104)보다 상대적으로 작은 외경(d)으로 구비됨으로서 온도센서 설치 공간이 형성되어지도록 하는 것을 특징으로 하는 자중 매입형 장력측정장치가 부착된 지중앵커.The method according to claim 1,
The finishing rings 103 and 103 'and the auxiliary ring 104 are provided with the same outer diameter D, and the spacing retaining ring 105 is smaller than the closing rings 103 and 103' and the auxiliary ring 104. ) Is an underground anchor with a self-loading tension measuring device, characterized in that the temperature sensor installation space is formed.
KR1020120033036A 2012-03-30 2012-03-30 Ground anchor monitoring system KR101175622B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101676597B1 (en) * 2015-07-03 2016-11-16 (주)성환이앤씨 Pre-Stressed Structure For Monitoring A Stress Status and Construction Method therefor
KR102324506B1 (en) 2020-06-04 2021-11-11 대구대학교 산학협력단 A system and method for measuring tensile force on earth anchor
KR102363897B1 (en) 2020-09-01 2022-02-15 대구대학교 산학협력단 Apparatus for measuring the magnitude of tensile force of earth anchor and the change of tensile force of earth anchor

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KR101041362B1 (en) * 2010-07-02 2011-06-15 (주)유니트엔지니어링 Earth anchor for reinforcing and stabilizing slopes and the ground stabilization method using the same

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KR101041362B1 (en) * 2010-07-02 2011-06-15 (주)유니트엔지니어링 Earth anchor for reinforcing and stabilizing slopes and the ground stabilization method using the same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101676597B1 (en) * 2015-07-03 2016-11-16 (주)성환이앤씨 Pre-Stressed Structure For Monitoring A Stress Status and Construction Method therefor
KR102324506B1 (en) 2020-06-04 2021-11-11 대구대학교 산학협력단 A system and method for measuring tensile force on earth anchor
KR102363897B1 (en) 2020-09-01 2022-02-15 대구대학교 산학협력단 Apparatus for measuring the magnitude of tensile force of earth anchor and the change of tensile force of earth anchor

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