NO912241L - Anordning til paavisning av lengdeforandringer av et medium langs en maalestrekning. - Google Patents

Anordning til paavisning av lengdeforandringer av et medium langs en maalestrekning.

Info

Publication number
NO912241L
NO912241L NO91912241A NO912241A NO912241L NO 912241 L NO912241 L NO 912241L NO 91912241 A NO91912241 A NO 91912241A NO 912241 A NO912241 A NO 912241A NO 912241 L NO912241 L NO 912241L
Authority
NO
Norway
Prior art keywords
scale
detection
length change
medium along
medium
Prior art date
Application number
NO91912241A
Other languages
English (en)
Other versions
NO912241D0 (no
NO304285B1 (no
Inventor
Reinhard Wolff
Hans-Joachim Miesseler
Original Assignee
Strabag Bau Ag
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 Strabag Bau Ag filed Critical Strabag Bau Ag
Publication of NO912241D0 publication Critical patent/NO912241D0/no
Publication of NO912241L publication Critical patent/NO912241L/no
Publication of NO304285B1 publication Critical patent/NO304285B1/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/04—Measuring depth or liquid level
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
NO912241A 1990-06-12 1991-06-11 Anordning til pÕvisning av lengdeforandringer av et medium langs en mÕlestrekning NO304285B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4018740A DE4018740A1 (de) 1990-06-12 1990-06-12 Vorrichtung zum ermitteln von laengenaenderungen eines mediums laengs einer messstrecke

Publications (3)

Publication Number Publication Date
NO912241D0 NO912241D0 (no) 1991-06-11
NO912241L true NO912241L (no) 1991-12-13
NO304285B1 NO304285B1 (no) 1998-11-23

Family

ID=6408236

Family Applications (1)

Application Number Title Priority Date Filing Date
NO912241A NO304285B1 (no) 1990-06-12 1991-06-11 Anordning til pÕvisning av lengdeforandringer av et medium langs en mÕlestrekning

Country Status (4)

Country Link
US (1) US5148017A (no)
EP (1) EP0464346A1 (no)
DE (1) DE4018740A1 (no)
NO (1) NO304285B1 (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4132113A1 (de) * 1991-09-26 1993-04-01 Siemens Ag Messaufnehmer fuer laengen- oder abstandsaenderungen
GB9409553D0 (en) * 1994-04-28 1994-06-29 British Aerospace Crack detection system
GB9419031D0 (en) * 1994-09-21 1994-11-09 Sensor Dynamics Ltd Apparatus for sensor location
US5750901A (en) * 1995-06-07 1998-05-12 Hughes Aircraft Company Optical fiber apparatus and method for measuring geological strains
DE19712407A1 (de) * 1997-03-25 1998-10-01 Gloetzl Ges Fuer Baumestechnik Wegmeßvorrichtung
WO2001023831A2 (en) * 1999-09-27 2001-04-05 Mathis James I Cable device for detecting and monitoring rock and soil displacement
DE10348919A1 (de) * 2003-10-21 2005-01-05 Siemens Ag Vorrichtung zur Bestimmung der Größenänderungen von Gradientenspulen beim Betrieb
WO2010123566A1 (en) * 2009-04-22 2010-10-28 Lxdata Inc. Pressure sensor arrangement using an optical fiber and methodologies for performing an analysis of a subterranean formation
WO2011012406A1 (de) * 2009-07-30 2011-02-03 Hottinger Baldwin Messtechnik Gmbh Vorrichtung und verfahren zum ortsaufgelösten erfassen von bodenbewegungen
CN102418334B (zh) * 2011-09-28 2013-12-04 上海杰蜀光电科技有限公司 路基沉降远程自动监测系统及其监测方法
US20130188168A1 (en) * 2012-01-20 2013-07-25 Arthur H. Hartog Fiber optic formation dimensional change monitoring
WO2015016936A1 (en) * 2013-08-02 2015-02-05 Halliburton Energy Services, Inc. Acoustic sensor metadata dubbing channel
CN106052580B (zh) * 2016-07-13 2019-04-16 同济大学 一种测量隧道掌子面挤出变形的试验装置
CN109855545B (zh) * 2019-04-02 2024-03-15 中国科学院国家天文台 一种基于光波测位移的伸缩机构

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE251198C (no) *
CH452444A (de) * 1965-11-05 1967-11-15 Centre Electron Horloger Vorrichtung zum Regulieren der Frequenz von mechanischen Oszillatoren in Zeitmessgeräten
US3894427A (en) * 1971-12-07 1975-07-15 Bergwerksverband Gmbh Device for measuring changes in converging rock formations in a mining cavity
CH636698A5 (de) * 1978-12-21 1983-06-15 Foerderung Forschung Gmbh Verfahren und einrichtung zum bestimmen von verschiebungen in einem festen medium, insbesondere im boden, im fels und in bauwerken.
US5026141A (en) * 1981-08-24 1991-06-25 G2 Systems Corporation Structural monitoring system using fiber optics
GB2136113B (en) * 1983-03-05 1986-08-06 Plessey Co Plc Improvements relating to optical sensing systems
US4636638A (en) * 1984-10-12 1987-01-13 The United States Of America As Represented By The Secretary Of The Navy Remote optical crack sensing system including fiberoptics
DD251198A1 (de) * 1986-07-18 1987-11-04 Kali Veb K Sonde zur messung der gebirgsaufblaetterung um bergmaennische hohlraeume
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
US5038618A (en) * 1986-11-11 1991-08-13 British Aerospace Public Limited Company Measurement of distortion
DE3804135A1 (de) * 1988-02-11 1989-08-24 Felten & Guilleaume Energie Verfahren zur kontinuierlichen daempfungsmessung von lichtwellenleiter-sensoren mit nur einem zugaenglichen ende

Also Published As

Publication number Publication date
NO912241D0 (no) 1991-06-11
NO304285B1 (no) 1998-11-23
EP0464346A1 (de) 1992-01-08
DE4018740C2 (no) 1992-12-10
US5148017A (en) 1992-09-15
DE4018740A1 (de) 1991-12-19

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