KR100956687B1 - 광섬유 복합 강연선을 이용한 어스앵커 구조물의 건전성 모니터링 방법 - Google Patents
광섬유 복합 강연선을 이용한 어스앵커 구조물의 건전성 모니터링 방법 Download PDFInfo
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- KR100956687B1 KR100956687B1 KR1020090065488A KR20090065488A KR100956687B1 KR 100956687 B1 KR100956687 B1 KR 100956687B1 KR 1020090065488 A KR1020090065488 A KR 1020090065488A KR 20090065488 A KR20090065488 A KR 20090065488A KR 100956687 B1 KR100956687 B1 KR 100956687B1
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- South Korea
- Prior art keywords
- optical fiber
- wire
- strand
- steel wire
- earth anchor
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012544 monitoring process Methods 0.000 title claims abstract description 13
- 239000000835 fiber Substances 0.000 title description 4
- 239000013307 optical fiber Substances 0.000 claims abstract description 73
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 239000002131 composite material Substances 0.000 claims abstract description 18
- 238000010276 construction Methods 0.000 claims abstract description 18
- 230000001678 irradiating effect Effects 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 description 12
- 239000011440 grout Substances 0.000 description 8
- 239000004593 Epoxy Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/18—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge using photoelastic elements
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/04—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring the deformation in a solid, e.g. by vibrating string
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
- G01D5/35316—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Bragg gratings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02042—Multicore optical fibres
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
Claims (2)
- 중앙에 위치하는 제1강선과, 상기 제1강선의 주위를 둘러싸며 서로 꼬인 여섯 가닥의 제2강선을 포함하는 강연선의 상기 제1강선에는 상기 강선의 길이방향의 관통공이 형성된 강연선을 마련하는 강연선 마련단계;상기 강연선의 상기 관통공에 광섬유센서를 삽입하여 광섬유 복합 강연선을 마련하는 광섬유 복합 강연선 마련단계;상기 광섬유 복합 강연선을 인장재로 이용하여 어스앵커 구조물을 시공하는 시공단계;상기 광섬유 복합 강연선의 광섬유센서에 광을 조사하는 광조사단계; 및,상기 광섬유센서를 통과한 광을 검출하여 상기 강연선의 변형률을 측정하는 측정단계; 를 포함하는 것을 특징으로 하는 어스앵커 구조물의 건전성 모니터링 방법.
- 제1항에 있어서,상기 광섬유센서는 광섬유에 일정간격으로 격자 감지부가 형성된 광섬유 브래그 격자 센서이고,상기 측정단계는, 상기 광섬유 브래그 격자 센서 내의 격자 감지부에 반사된 광 및 상기 격자 감지부를 통과한 광을 검출하여 이루어지는 것을 특징으로 하는 어스앵커 구조물의 건전성 모니터링 방법.
Priority Applications (1)
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KR1020090065488A KR100956687B1 (ko) | 2009-07-17 | 2009-07-17 | 광섬유 복합 강연선을 이용한 어스앵커 구조물의 건전성 모니터링 방법 |
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KR1020090065488A KR100956687B1 (ko) | 2009-07-17 | 2009-07-17 | 광섬유 복합 강연선을 이용한 어스앵커 구조물의 건전성 모니터링 방법 |
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KR1020060115478A Division KR20080046046A (ko) | 2006-11-21 | 2006-11-21 | 광섬유 복합 강연선을 이용한 어스앵커 구조물 및 그어스앵커 구조물의 건전성 모니터링 방법 |
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KR20090091091A KR20090091091A (ko) | 2009-08-26 |
KR100956687B1 true KR100956687B1 (ko) | 2010-05-10 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101380208B1 (ko) * | 2013-12-06 | 2014-04-02 | (주)지엠지 | 광섬유 센서를 구비한 지반 보강 관체를 이용한 터널 지반 계측 장치 및 이를 이용한 현장 터널 계측이 가능한 지반 보강 및 지반 계측 공법 |
CN105421501B (zh) * | 2015-12-15 | 2017-12-15 | 中国一冶集团有限公司 | 淤泥环境下锚杆工作状态及周围土体变形状况的监测方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR870000602A (ko) * | 1985-06-28 | 1987-02-19 | 가가야 세이이찌 | 광섬유 복합가공 케이블 |
JPH0921661A (ja) * | 1995-07-06 | 1997-01-21 | Sumitomo Electric Ind Ltd | アンカー施工部の地中状況監視装置 |
JP2006250647A (ja) * | 2005-03-09 | 2006-09-21 | Jfe Koken Corp | ワイヤケーブル、並びに張力測定システム及び張力測定方法 |
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- 2009-07-17 KR KR1020090065488A patent/KR100956687B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR870000602A (ko) * | 1985-06-28 | 1987-02-19 | 가가야 세이이찌 | 광섬유 복합가공 케이블 |
JPH0921661A (ja) * | 1995-07-06 | 1997-01-21 | Sumitomo Electric Ind Ltd | アンカー施工部の地中状況監視装置 |
JP2006250647A (ja) * | 2005-03-09 | 2006-09-21 | Jfe Koken Corp | ワイヤケーブル、並びに張力測定システム及び張力測定方法 |
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