FR2281553A1 - Ram extensiometer - has flexible strip between bracket and ram pressure measuring device - Google Patents

Ram extensiometer - has flexible strip between bracket and ram pressure measuring device

Info

Publication number
FR2281553A1
FR2281553A1 FR7427788A FR7427788A FR2281553A1 FR 2281553 A1 FR2281553 A1 FR 2281553A1 FR 7427788 A FR7427788 A FR 7427788A FR 7427788 A FR7427788 A FR 7427788A FR 2281553 A1 FR2281553 A1 FR 2281553A1
Authority
FR
France
Prior art keywords
ram
bracket
flexible strip
extensiometer
measuring device
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
FR7427788A
Other languages
French (fr)
Other versions
FR2281553B1 (en
Inventor
Jean-Francois Jezequel
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7427788A priority Critical patent/FR2281553A1/en
Publication of FR2281553A1 publication Critical patent/FR2281553A1/en
Application granted granted Critical
Publication of FR2281553B1 publication Critical patent/FR2281553B1/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
    • G01B13/00—Measuring arrangements characterised by the use of fluids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Abstract

The ram (1) fixed to the structure (2) whose strain is to be measured and a bracket (11) fixed at another position on the structure are connected by a flexible strip (10). The piston (4) of the ram may be subjected to a fluid pressure and can be displaced until stopped by a shoulder (1a) in the ram cylinder (1) and until a stop (8) comes against a surface (1b) of the ram. A strain gauge (12) is fixed to the strip (10) to measure its elongation. A measure of the extension of the base (1s) of the device is made by determining the difference between the pressure in the chamber (14) of the ram (1) before and after a load has been applied to the structure, and also the difference in pressures required to bring the piston at both ends of its travel.
FR7427788A 1974-08-09 1974-08-09 Ram extensiometer - has flexible strip between bracket and ram pressure measuring device Granted FR2281553A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7427788A FR2281553A1 (en) 1974-08-09 1974-08-09 Ram extensiometer - has flexible strip between bracket and ram pressure measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7427788A FR2281553A1 (en) 1974-08-09 1974-08-09 Ram extensiometer - has flexible strip between bracket and ram pressure measuring device

Publications (2)

Publication Number Publication Date
FR2281553A1 true FR2281553A1 (en) 1976-03-05
FR2281553B1 FR2281553B1 (en) 1976-12-31

Family

ID=9142315

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427788A Granted FR2281553A1 (en) 1974-08-09 1974-08-09 Ram extensiometer - has flexible strip between bracket and ram pressure measuring device

Country Status (1)

Country Link
FR (1) FR2281553A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889528A (en) * 1957-02-27 1959-06-02 Gervaise E Monfore Standardizing strain gage
FR2153776A5 (en) * 1971-09-23 1973-05-04 France Etat

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889528A (en) * 1957-02-27 1959-06-02 Gervaise E Monfore Standardizing strain gage
FR2153776A5 (en) * 1971-09-23 1973-05-04 France Etat

Also Published As

Publication number Publication date
FR2281553B1 (en) 1976-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse