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
Other languages
English (en)
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 Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung 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 Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung 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

Landscapes

  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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
DE8901608 1989-02-13
DE8901608U DE8901608U1 (de) 1989-02-13 1989-02-13 Vorrichtung zur berührungslosen Erfassung eines Rißstarts bei einer Bruchmechanikprobe

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 (enrdf_load_stackoverflow)
AU (1) AU5036190A (enrdf_load_stackoverflow)
DE (5) DE8901608U1 (enrdf_load_stackoverflow)
WO (1) WO1990009582A1 (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4239224C1 (de) * 1992-11-21 1994-03-03 Ibm Verfahren und Vorrichtung zur Erfassung von strukturellen Veränderungen in festen Körpern
RU2137249C1 (ru) * 1998-03-31 1999-09-10 Санкт-Петербургский государственный электротехнический университет Способ изготовления микромеханических приборов
DE19819066A1 (de) * 1998-04-29 1999-11-11 F I T Messtechnik Gmbh Prüfverfahren zur berührungslosen Erkennung von Ungleichmäßigkeiten in der Wanddicke von unzugänglichen metallischen Rohren
RU2204128C2 (ru) * 2001-02-19 2003-05-10 Институт горного дела - научно-исследовательское учреждение СО РАН Способ и стенд для исследования электромагнитного излучения деформируемого до разрушения твердого тела в форме стержня
ITBO20030082A1 (it) 2003-02-21 2004-08-22 Roberto Parenti Metodo e impianto per la previsione di eventi sismici.
RU2253098C1 (ru) * 2004-04-05 2005-05-27 Институт горного дела Сибирского отделения Российской академии наук Способ и стенд для исследования электромагнитного излучения деформируемого до разрушения твердого тела, например образца горной породы
US8597948B2 (en) * 2011-03-10 2013-12-03 First Principles, Inc. Cloned biological material medical device and method thereof
DE102011103011B4 (de) 2011-05-24 2015-12-03 Otto-Von-Guericke-Universität Magdeburg Sensoreinrichtung und Verfahren zur Vorhersage des Schädigungszustands von Bauteilen
DE102012006155B4 (de) 2012-03-28 2015-07-30 Otto-Von-Guericke-Universität Magdeburg Sensoreinrichtung und Verfahren zur Detektierung und Lokalisierung von Rissen in Bauteilen
CN108956301B (zh) * 2018-08-23 2021-04-02 三峡大学 一种采用电磁铁与磁粉的作用力模拟岩石受力情况的装置
JP7136741B2 (ja) * 2019-04-22 2022-09-13 株式会社コンポン研究所 地震発生予知方法および地震発生予知システム
CN110865246B (zh) * 2019-10-12 2022-02-11 陈国能 断裂扩散电场强度的多孔监测系统及方法
CN110865244B (zh) * 2019-10-12 2022-01-11 陈国能 破碎带相交部位断裂扩散电场强度的单孔监测系统及方法
CN110865243B (zh) * 2019-10-12 2021-09-21 陈国能 断裂电场压电部位的检测系统及方法
CN110865242B (zh) * 2019-10-12 2021-11-09 陈国能 断裂电场强度的监测系统及方法
CN110865241B (zh) * 2019-10-12 2021-08-17 陈国能 断裂稳定性的评估系统及方法
CN110658067B (zh) * 2019-10-14 2020-08-04 中国科学院武汉岩土力学研究所 一种基于全场应变测量判别岩石裂纹应力门槛值的方法

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 (no) * 1982-04-19 1985-02-08 Sentralinst For Ind Forskning Fremgangsmaate og anordning for overvaakning av store konstruksjoner av metall
DE3334570C2 (de) * 1983-09-24 1986-06-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Vorrichtung zur Erfassung des Rißstartes bei einer Bruchmechanik-Probe
DE3513005A1 (de) * 1985-04-11 1986-10-16 Igor Serafimovič Žukovskij Moskovskaja oblast' Jablonskij Verfahren zur bestimmung von rissparametern und einrichtung fuer dessen durchfuehrung
US4764970A (en) * 1985-04-15 1988-08-16 Hitachi, Ltd. Method and apparatus for detecting cracks
DE3534462A1 (de) * 1985-09-27 1987-04-02 Bosch Gmbh Robert Warneinrichtung zur erkennung von schaeden an sich bewegenden teilen
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
DE4090233A1 (en) 1992-01-30
EP0457788B1 (de) 1994-05-04
DE4004171A1 (de) 1990-08-23
DE4090233D2 (de) 1992-01-30
DE4004170A1 (de) 1990-08-16
EP0457788A1 (de) 1991-11-27
WO1990009582A1 (de) 1990-08-23
DE8901608U1 (de) 1990-04-12
DE4004171C2 (enrdf_load_stackoverflow) 1993-03-25
DE59005637D1 (de) 1994-06-09

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