FR2748325B1 - Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif - Google Patents

Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif

Info

Publication number
FR2748325B1
FR2748325B1 FR9605581A FR9605581A FR2748325B1 FR 2748325 B1 FR2748325 B1 FR 2748325B1 FR 9605581 A FR9605581 A FR 9605581A FR 9605581 A FR9605581 A FR 9605581A FR 2748325 B1 FR2748325 B1 FR 2748325B1
Authority
FR
France
Prior art keywords
geotechnical
building
devices
detection method
flexion detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR9605581A
Other languages
English (en)
Other versions
FR2748325A1 (fr
Inventor
Bernard Hodac
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DEHA COM
Original Assignee
DEHA COM
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DEHA COM filed Critical DEHA COM
Priority to FR9605581A priority Critical patent/FR2748325B1/fr
Priority to CA002253625A priority patent/CA2253625A1/fr
Priority to PCT/FR1997/000778 priority patent/WO1997042463A1/fr
Priority to AU27804/97A priority patent/AU2780497A/en
Priority to US09/180,144 priority patent/US6332365B1/en
Priority to JP09539584A priority patent/JP2000510234A/ja
Publication of FR2748325A1 publication Critical patent/FR2748325A1/fr
Application granted granted Critical
Publication of FR2748325B1 publication Critical patent/FR2748325B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G01M11/086—Details about the embedment of the optical fiber within the DUT
    • 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
    • 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
    • G01D5/3537—Optical fibre sensor using a particular arrangement of the optical fibre itself
    • G01D5/35374—Particular layout of the fiber

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
FR9605581A 1996-05-03 1996-05-03 Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif Expired - Fee Related FR2748325B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR9605581A FR2748325B1 (fr) 1996-05-03 1996-05-03 Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif
CA002253625A CA2253625A1 (fr) 1996-05-03 1997-04-30 Procede et dispositifs de detection de flexion, et structure, telle que geotechnique ou de batiment, equipee d'un tel dispositif
PCT/FR1997/000778 WO1997042463A1 (fr) 1996-05-03 1997-04-30 Procede et dispositifs de detection de flexion, et structure, telle que geotechnique ou de batiment, equipee d'un tel dispositif
AU27804/97A AU2780497A (en) 1996-05-03 1997-04-30 Method and devices for detecting flexure, and structure such as a geotechnical or building structure equipped with such device
US09/180,144 US6332365B1 (en) 1996-05-03 1997-04-30 Method and devices for detecting flexure, and structure such as a geotechnical or building structure equipped with such a device
JP09539584A JP2000510234A (ja) 1996-05-03 1997-04-30 撓みを検知する方法と装置、及びこのような装置を装備する土質工学的または建築学的構造物

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9605581A FR2748325B1 (fr) 1996-05-03 1996-05-03 Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif

Publications (2)

Publication Number Publication Date
FR2748325A1 FR2748325A1 (fr) 1997-11-07
FR2748325B1 true FR2748325B1 (fr) 1998-08-07

Family

ID=9491824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9605581A Expired - Fee Related FR2748325B1 (fr) 1996-05-03 1996-05-03 Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif

Country Status (6)

Country Link
US (1) US6332365B1 (fr)
JP (1) JP2000510234A (fr)
AU (1) AU2780497A (fr)
CA (1) CA2253625A1 (fr)
FR (1) FR2748325B1 (fr)
WO (1) WO1997042463A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19905687A1 (de) * 1999-02-11 2000-09-07 Deha Ankersysteme Vorrichtung zur Bestimmung der Biegebeanspruchung von Bauteilen
FR2807829B1 (fr) * 2000-04-17 2002-07-12 Bernard Hodac Detecteur de flexion et/ou tassement differentiel (s) et procede pour surveiller une structure
FR2867561B1 (fr) * 2004-03-11 2007-02-02 Commissariat Energie Atomique Systeme de mesure distribuee des courbures d'une structure
ATE433044T1 (de) 2004-08-27 2009-06-15 Schlumberger Holdings Sensor und vermessungsvorrichtung zur bestimmung des biegeradius und der form eines rohrleitungs
CA2886942C (fr) 2012-02-09 2017-09-19 Osmos Sa Dispositif de surveillance, systeme et procede de surveillance d'une zone de construction ou terrain en utilisant au moins un guide d'onde lumineux
GB2576168B (en) 2018-08-07 2020-10-07 Caterpillar Global Mining Europe Gmbh System and method for monitoring fault conditions in a pan line of a longwall mining system
KR102223483B1 (ko) * 2019-10-11 2021-03-08 한국건설기술연구원 변형률 계측용 센서 매립봉의 기설 구조물 설치 구조 및 그 설치방법
CN114197252B (zh) * 2021-12-29 2023-07-14 中铁第四勘察设计院集团有限公司 具有底座限位凹槽监测功能的无砟轨道及其健康监测方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4175445A (en) * 1978-09-05 1979-11-27 Exxon Production Research Company Pressure sensing apparatus
DE3038716C2 (de) * 1980-10-14 1985-12-12 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Positionsmeßeinrichtung
DE3131870A1 (de) 1981-08-12 1983-02-24 Philips Kommunikations Industrie AG, 8500 Nürnberg Mittels lichtwellenleiter auf bruch oder dehnung ueberwachbares bauteil
DE3305234C2 (de) 1983-02-16 1986-02-27 Felten & Guilleaume Energietechnik GmbH, 5000 Köln Zugfester Draht aus einer faserverstärkten Harzstruktur mit mindestens einem darin eingeschlossenen Lichtwellenleiter
GB2136119A (en) * 1983-03-08 1984-09-12 Nmi Ltd Crack Monitor
DE3635053C2 (de) * 1986-10-15 1995-09-28 Strabag Ag Verfahren zum Überwachen der Verformungen von Bauteilen mittels Lichtwellenleitern sowie Lichtwellenleiter zur Durchführung des Verfahrens und Verfahren zu seiner Herstellung
DE3902997C1 (fr) 1989-02-02 1990-04-19 Felten & Guilleaume Energietechnik Ag, 5000 Koeln, De
US5129010A (en) * 1989-12-15 1992-07-07 Kabushiki Kaisha Toyoto Chuo Kenkyusho System for measuring shapes and dimensions of gaps and flushnesses on three dimensional surfaces of objects
US5750901A (en) * 1995-06-07 1998-05-12 Hughes Aircraft Company Optical fiber apparatus and method for measuring geological strains
JPH095014A (ja) * 1995-06-19 1997-01-10 Hirano Denshi:Kk 曲げセンサ
DE19707968C2 (de) * 1997-02-27 2000-06-21 Rainer Renz Verfahren und Vorrichtung zur Untersuchung der mechanisch-dynamischen Eigenschaften eines Werkstückes

Also Published As

Publication number Publication date
CA2253625A1 (fr) 1997-11-13
FR2748325A1 (fr) 1997-11-07
AU2780497A (en) 1997-11-26
JP2000510234A (ja) 2000-08-08
WO1997042463A1 (fr) 1997-11-13
US6332365B1 (en) 2001-12-25

Similar Documents

Publication Publication Date Title
FR2703786B1 (fr) Procede et dispositif a ultrasons de detection et d'identification de contaminant tel que le givre a la surface d'une structure.
FR2774518B1 (fr) Dispositif photoemissif et procede de renforcement de la puissance d'un tel dispositif
FR2798459B1 (fr) Procede et dispositif de protection contre l'action d'un projectile rapide
FR2748325B1 (fr) Procede et dispositifs de detection de flexion, et structure telle que geotechnique ou de batiment, equipee d'un tel dispositif
FR2743931B1 (fr) Procede et dispositif de fabrication d'un cable
FR2712057B1 (fr) Ensemble piston-cylindre, ainsi que procédé et dispositif pour la fermeture d'un tel ensemble piston-cylindre.
FR2756000B1 (fr) Dispositif de detection d'un obstacle, porte de manutention et/ou volet roulant equipe d'un tel dispositif
FR2703667B1 (fr) Procede et dispositif de separation.
FR2737795B1 (fr) Procede et dispositif de guidage d'un mobile
FR2770048B1 (fr) Dispositif de protection d'epissure ainsi que procede permettant la mise en place d'un tel dispositif
FR2751126B1 (fr) Procede de fabrication d'un dispositif d'affichage, et panneau d'affichage
FR2659056B1 (fr) Dispositif de commutateur a double effet et son procede d'utilisation.
FR2740873B1 (fr) Dispositif de detection de presence de liquide
FR2745420B1 (fr) Dispositif de protection des broches de connexion d'un tube a rayons cathodiques
FR2702525B1 (fr) Dispositif de liaison et de blocage entre un profilé de support et un chevron ou élément analogue.
FR2703673B1 (fr) Dispositif elevateur a nacelle.
FR2713461B1 (fr) Dispositif de gestion des boîtes aux lettres d'un immeuble.
FR2673144B1 (fr) Dispositif de compactage d'un materiau compressible, notamment de dechets, et installation de collecte de dechets comprenant un tel dispositif.
FR2710785B1 (fr) Dispositif de raccordement fiabilisé.
FR2745369B1 (fr) Dispositif d'aeration de secours pour un batiment
FR2765112B1 (fr) Diffuseur pour dispositif de protection incendie, insallation et dispositif pourvus d'un tel diffuseur
FR2749404B3 (fr) Dispositif de detection d'ouvrages enterres
FR2702570B1 (fr) Procédé et dispositif de détection et de sélection d'obstacles.
FR2759175B1 (fr) Dispositif de desembrouillage d'element de securite et element de securite comprenant un tel dispositif
FR2707175B1 (fr) Dispositif de protection et de maintien, notamment pour sonde médicale ou drain.

Legal Events

Date Code Title Description
ST Notification of lapse