BE855277A - Mesureur de convergence de haute precision - Google Patents

Mesureur de convergence de haute precision

Info

Publication number
BE855277A
BE855277A BE178096A BE178096A BE855277A BE 855277 A BE855277 A BE 855277A BE 178096 A BE178096 A BE 178096A BE 178096 A BE178096 A BE 178096A BE 855277 A BE855277 A BE 855277A
Authority
BE
Belgium
Prior art keywords
measurer
high precision
precision convergence
convergence
precision
Prior art date
Application number
BE178096A
Other languages
English (en)
French (fr)
Original Assignee
Charbonnages De France
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 Charbonnages De France filed Critical Charbonnages De France
Publication of BE855277A publication Critical patent/BE855277A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • E21F17/18—Special adaptations of signalling or alarm devices
    • E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0011—Arrangements for eliminating or compensation of measuring errors due to temperature or weight
    • G01B5/0014—Arrangements for eliminating or compensation of measuring errors due to temperature or weight due to temperature
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
BE178096A 1976-06-04 1977-06-01 Mesureur de convergence de haute precision BE855277A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7616925A FR2353827A1 (fr) 1976-06-04 1976-06-04 Mesureur de convergence de haute precision

Publications (1)

Publication Number Publication Date
BE855277A true BE855277A (fr) 1977-12-01

Family

ID=9173999

Family Applications (1)

Application Number Title Priority Date Filing Date
BE178096A BE855277A (fr) 1976-06-04 1977-06-01 Mesureur de convergence de haute precision

Country Status (4)

Country Link
BE (1) BE855277A (OSRAM)
ES (1) ES459451A1 (OSRAM)
FR (1) FR2353827A1 (OSRAM)
GB (1) GB1540018A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2728651C2 (de) * 1977-06-24 1981-09-17 Siempelkamp Gießerei GmbH & Co, 4150 Krefeld Verfahren zur Überwachung eines zylindrischen Kernreaktordruckbehälters sowie Vorrichtungen zur Durchführung eines derartigen Verfahrens
FR2505482A1 (fr) * 1981-05-05 1982-11-12 Snecma Dispositif de mesure de la dilatation globale d'un turboreacteur
FR2731513B1 (fr) * 1995-03-09 1997-08-29 Gautheron Christophe Philippe Mesures lineaires et angulaires de la position relative de deux points
EP2479529A1 (en) * 2011-01-24 2012-07-25 Agisco S.r.l. Deformation meter with compensation in respect of thermal variations
CN108489368B (zh) * 2018-03-23 2020-11-06 四川农业大学 一种隧道围岩变形高精度实时监控量测装置及方法

Also Published As

Publication number Publication date
GB1540018A (en) 1979-02-07
FR2353827A1 (fr) 1977-12-30
ES459451A1 (es) 1978-05-01
FR2353827B1 (OSRAM) 1979-10-12

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