AU5036190A - Process and device for monitoring the occurrence or spreading of fractures or cracks in materials, workpieces, component parts, structures or flying objects, in particular in earthquake-prone regions or movement of strata during tunnelling - Google Patents

Process and device for monitoring the occurrence or spreading of fractures or cracks in materials, workpieces, component parts, structures or flying objects, in particular in earthquake-prone regions or movement of strata during tunnelling

Info

Publication number
AU5036190A
AU5036190A AU50361/90A AU5036190A AU5036190A AU 5036190 A AU5036190 A AU 5036190A AU 50361/90 A AU50361/90 A AU 50361/90A AU 5036190 A AU5036190 A AU 5036190A AU 5036190 A AU5036190 A AU 5036190A
Authority
AU
Australia
Prior art keywords
fractures
earthquake
workpieces
cracks
spreading
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.)
Abandoned
Application number
AU50361/90A
Inventor
Hermann Lovse
Hermann Senf
Siegfried Winkler
Gerd Zimmermann
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.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Publication of AU5036190A publication Critical patent/AU5036190A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
AU50361/90A 1989-02-13 1990-02-11 Process and device for monitoring the occurrence or spreading of fractures or cracks in materials, workpieces, component parts, structures or flying objects, in particular in earthquake-prone regions or movement of strata during tunnelling Abandoned AU5036190A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8901608U DE8901608U1 (en) 1989-02-13 1989-02-13
DE8901608 1989-02-13

Publications (1)

Publication Number Publication Date
AU5036190A true AU5036190A (en) 1990-09-05

Family

ID=6835942

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50361/90A Abandoned AU5036190A (en) 1989-02-13 1990-02-11 Process and device for monitoring the occurrence or spreading of fractures or cracks in materials, workpieces, component parts, structures or flying objects, in particular in earthquake-prone regions or movement of strata during tunnelling

Country Status (4)

Country Link
EP (1) EP0457788B1 (en)
AU (1) AU5036190A (en)
DE (5) DE8901608U1 (en)
WO (1) WO1990009582A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4239224C1 (en) * 1992-11-21 1994-03-03 Ibm Method and device for detecting structural changes in solid bodies
DE19819066A1 (en) * 1998-04-29 1999-11-11 F I T Messtechnik Gmbh Test method for non-contact detection of irregularities in the wall thickness of inaccessible metallic pipes
ITBO20030082A1 (en) 2003-02-21 2004-08-22 Roberto Parenti METHOD AND PLANT FOR THE FORECAST OF SEISMIC EVENTS.
US8597948B2 (en) * 2011-03-10 2013-12-03 First Principles, Inc. Cloned biological material medical device and method thereof
DE102011103011B4 (en) 2011-05-24 2015-12-03 Otto-Von-Guericke-Universität Magdeburg Sensor device and method for predicting the damage state of components
DE102012006155B4 (en) 2012-03-28 2015-07-30 Otto-Von-Guericke-Universität Magdeburg Sensor device and method for detecting and localizing cracks in components
RU2523103C1 (en) * 2013-03-19 2014-07-20 Федеральное государственное бюджетное учреждение науки Институт горного дела им. Н.А. Чинакала Сибирского отделения Российской академии наук Test bench for analysis of electromagnetic radiation (emr) of solid body, for example, rock block at in-situ rock
CN108956301B (en) * 2018-08-23 2021-04-02 三峡大学 Device for simulating rock stress condition by adopting acting force of electromagnet and magnetic powder
JP7136741B2 (en) * 2019-04-22 2022-09-13 株式会社コンポン研究所 Earthquake occurrence prediction method and earthquake occurrence prediction system
CN110865244B (en) * 2019-10-12 2022-01-11 陈国能 Single-hole monitoring system and method for fracture diffusion electric field intensity of intersection part of broken belt
CN110865243B (en) * 2019-10-12 2021-09-21 陈国能 Detection system and method for piezoelectric part of fracture electric field
CN110865242B (en) * 2019-10-12 2021-11-09 陈国能 System and method for monitoring fracture electric field intensity
CN110865241B (en) * 2019-10-12 2021-08-17 陈国能 Fracture stability evaluation system and method
CN110865246B (en) * 2019-10-12 2022-02-11 陈国能 Porous monitoring system and method for fracture diffusion electric field intensity
CN110658067B (en) * 2019-10-14 2020-08-04 中国科学院武汉岩土力学研究所 Method for judging rock crack stress threshold value based on full-field strain measurement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2718620A (en) * 1952-09-11 1955-09-20 Foxboro Co Means for measurement by electrical condenser of characteristics and conditions of material
NO150136C (en) * 1982-04-19 1985-02-08 Sentralinst For Ind Forskning PROCEDURE AND DEVICE FOR MONITORING OF LARGE METAL CONSTRUCTIONS
DE3334570C2 (en) * 1983-09-24 1986-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Device for detecting the start of a crack in a fracture mechanics sample
FR2580403B1 (en) * 1985-04-11 1988-05-13 Syrov Alexandr METHOD FOR DETERMINING THE PARAMETERS OF A CRACK AND DEVICE FOR IMPLEMENTING IT
US4764970A (en) * 1985-04-15 1988-08-16 Hitachi, Ltd. Method and apparatus for detecting cracks
DE3534462A1 (en) * 1985-09-27 1987-04-02 Bosch Gmbh Robert Warning device for detecting damage on moving parts
US4683758A (en) * 1986-01-16 1987-08-04 Ford Motor Company Device for measuring stresses in vacuum deposition coatings

Also Published As

Publication number Publication date
DE4090233D2 (en) 1992-01-30
DE4004171A1 (en) 1990-08-23
DE4090233A1 (en) 1992-01-30
DE8901608U1 (en) 1990-04-12
EP0457788B1 (en) 1994-05-04
WO1990009582A1 (en) 1990-08-23
DE59005637D1 (en) 1994-06-09
EP0457788A1 (en) 1991-11-27
DE4004170A1 (en) 1990-08-16
DE4004171C2 (en) 1993-03-25

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