FR2353827A1 - Mesureur de convergence de haute precision - Google Patents

Mesureur de convergence de haute precision

Info

Publication number
FR2353827A1
FR2353827A1 FR7616925A FR7616925A FR2353827A1 FR 2353827 A1 FR2353827 A1 FR 2353827A1 FR 7616925 A FR7616925 A FR 7616925A FR 7616925 A FR7616925 A FR 7616925A FR 2353827 A1 FR2353827 A1 FR 2353827A1
Authority
FR
France
Prior art keywords
measurer
high precision
precision convergence
convergence
precision
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.)
Granted
Application number
FR7616925A
Other languages
English (en)
French (fr)
Other versions
FR2353827B1 (enExample
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.)
Charbonnages de France CDF
Original Assignee
Charbonnages de France CDF
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 CDF filed Critical Charbonnages de France CDF
Priority to FR7616925A priority Critical patent/FR2353827A1/fr
Priority to GB2321077A priority patent/GB1540018A/en
Priority to BE178096A priority patent/BE855277A/xx
Priority to ES459451A priority patent/ES459451A1/es
Publication of FR2353827A1 publication Critical patent/FR2353827A1/fr
Application granted granted Critical
Publication of FR2353827B1 publication Critical patent/FR2353827B1/fr
Granted legal-status Critical Current

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)
FR7616925A 1976-06-04 1976-06-04 Mesureur de convergence de haute precision Granted FR2353827A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7616925A FR2353827A1 (fr) 1976-06-04 1976-06-04 Mesureur de convergence de haute precision
GB2321077A GB1540018A (en) 1976-06-04 1977-06-01 Apparatus for measuring variations in distances
BE178096A BE855277A (fr) 1976-06-04 1977-06-01 Mesureur de convergence de haute precision
ES459451A ES459451A1 (es) 1976-06-04 1977-06-03 Aparato de alta precision para medir las variaciones de dis-tancia entre dos puntos de una obra.

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 (2)

Publication Number Publication Date
FR2353827A1 true FR2353827A1 (fr) 1977-12-30
FR2353827B1 FR2353827B1 (enExample) 1979-10-12

Family

ID=9173999

Family Applications (1)

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

Country Status (4)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401378A1 (fr) * 1977-06-24 1979-03-23 Siempelkamp Gmbh & Co Agencement de controle de l'etat mecanique d'un caisson resistant a la pression
FR2505482A1 (fr) * 1981-05-05 1982-11-12 Snecma Dispositif de mesure de la dilatation globale d'un turboreacteur
FR2731513A1 (fr) * 1995-03-09 1996-09-13 Gautheron Christophe Philippe Mesures lineaires et angulaires de la position relative de deux points

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2401378A1 (fr) * 1977-06-24 1979-03-23 Siempelkamp Gmbh & Co Agencement de controle de l'etat mecanique d'un caisson resistant a la pression
FR2505482A1 (fr) * 1981-05-05 1982-11-12 Snecma Dispositif de mesure de la dilatation globale d'un turboreacteur
FR2731513A1 (fr) * 1995-03-09 1996-09-13 Gautheron Christophe Philippe Mesures lineaires et angulaires de la position relative de deux points

Also Published As

Publication number Publication date
ES459451A1 (es) 1978-05-01
GB1540018A (en) 1979-02-07
BE855277A (fr) 1977-12-01
FR2353827B1 (enExample) 1979-10-12

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Legal Events

Date Code Title Description
ST Notification of lapse