NO152988C - Fremgangsmaate for aa paavise, fortrinnsvis kontinuerlig, naervaer samt dannelse og vekst av sprekker i byggekonstruksjoner - Google Patents

Fremgangsmaate for aa paavise, fortrinnsvis kontinuerlig, naervaer samt dannelse og vekst av sprekker i byggekonstruksjoner

Info

Publication number
NO152988C
NO152988C NO821321A NO821321A NO152988C NO 152988 C NO152988 C NO 152988C NO 821321 A NO821321 A NO 821321A NO 821321 A NO821321 A NO 821321A NO 152988 C NO152988 C NO 152988C
Authority
NO
Norway
Prior art keywords
pavise
cracks
creation
growth
principles
Prior art date
Application number
NO821321A
Other languages
English (en)
Norwegian (no)
Other versions
NO152988B (no
NO821321L (no
Inventor
Kjell Arne Hellqvist
Original Assignee
Kockums Ab
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 Kockums Ab filed Critical Kockums Ab
Publication of NO821321L publication Critical patent/NO821321L/no
Publication of NO152988B publication Critical patent/NO152988B/no
Publication of NO152988C publication Critical patent/NO152988C/no

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/18Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
    • G01S5/22Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
NO821321A 1980-08-26 1982-04-23 Fremgangsmaate for aa paavise, fortrinnsvis kontinuerlig, naervaer samt dannelse og vekst av sprekker i byggekonstruksjoner NO152988C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8005963A SE440829B (sv) 1980-08-26 1980-08-26 Sett att detektera sprickforekomst, sprickbildning och spricktillvext i konstruktioner

Publications (3)

Publication Number Publication Date
NO821321L NO821321L (no) 1982-04-23
NO152988B NO152988B (no) 1985-09-16
NO152988C true NO152988C (no) 1986-01-02

Family

ID=20341600

Family Applications (1)

Application Number Title Priority Date Filing Date
NO821321A NO152988C (no) 1980-08-26 1982-04-23 Fremgangsmaate for aa paavise, fortrinnsvis kontinuerlig, naervaer samt dannelse og vekst av sprekker i byggekonstruksjoner

Country Status (13)

Country Link
US (1) US4481818A (da)
JP (1) JPS57501492A (da)
AU (1) AU547990B2 (da)
BE (1) BE890058A (da)
CA (1) CA1178706A (da)
DE (1) DE3152258A1 (da)
DK (1) DK152599C (da)
FR (1) FR2489522B1 (da)
GB (1) GB2097122B (da)
NL (1) NL8120316A (da)
NO (1) NO152988C (da)
SE (1) SE440829B (da)
WO (1) WO1982000718A1 (da)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1187974A (en) * 1982-10-15 1985-05-28 Mervin R. Black Method and apparatus for monitoring cable integrity by acoustic emission
US4592034A (en) * 1982-11-15 1986-05-27 Cornell Research Foundation, Inc. Acoustic emission source location on plate-like structures using a small array of transducers
JPS59225374A (ja) * 1983-06-06 1984-12-18 Hitachi Ltd 音源位置標定方法とその装置
FR2558956B1 (fr) * 1984-01-26 1986-06-27 Metravib Sa Procede et dispositif de recherche et de caracterisation de defauts d'une structure metallique connue immergee
US4577487A (en) * 1984-12-14 1986-03-25 Dooley John G Pressure vessel testing
NL8503349A (nl) * 1985-12-04 1987-07-01 Smit Iso Maintenance Bv Werkwijze voor het onderzoeken van een offshoreconstructie op mechanische gebreken, en offshoreconstructie, uitgerust voor een dergelijk onderzoek.
US4901575A (en) * 1988-11-30 1990-02-20 Gp Taurio, Inc. Methods and apparatus for monitoring structural members subject to transient loads
US4956999A (en) * 1988-11-30 1990-09-18 Gp Taurio, Inc. Methods and apparatus for monitoring structural members subject to transient loads
US5255565A (en) * 1991-11-12 1993-10-26 Vibra-Metrics, Inc. Method and apparatus for monitoring multiple points on a vibrating structure
GB2326713A (en) * 1997-06-27 1998-12-30 Cogent Technology Limited Mole position location
NO315761B1 (no) * 2002-05-23 2003-10-20 Bjorge Naxys As Akustisk undervanns overvakningssystem
JP2004085201A (ja) * 2002-08-22 2004-03-18 Chubu Electric Power Co Inc 振動源探査システム
FR2939510B1 (fr) * 2008-12-08 2010-12-31 Inst Francais Du Petrole Methode de detection et localisation de l'amorce de fissuration de type ssc dans un acier soumis a un milieu aqueux acide contenant des elements hydrogenants
WO2012061069A2 (en) * 2010-10-25 2012-05-10 Lockheed Martin Corporation Remote flooded member detection
RU2497109C2 (ru) * 2011-10-07 2013-10-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Комсомольский-на-Амуре государственный технический университет" (ФГБОУВПО "КнАГТУ") Способ механического испытания на сплющивание с анализом акустико-эмиссионных сигналов
NZ709920A (en) * 2012-12-12 2018-03-23 Ernst Jacobus Gustav Pretorius Device and system for and a method of monitoring a cable for a physical disturbance

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3286224A (en) * 1965-02-15 1966-11-15 Gen Dynamics Corp Acoustic direction finding system
US3531764A (en) * 1969-05-12 1970-09-29 Sanders Associates Inc Wind compensated acoustic direction finder
DE2007490C1 (de) * 1970-02-19 1978-04-27 Fried. Krupp Gmbh Krupp Atlas- Elektronik Bremen, 2800 Bremen Vorrichtung zum Klassifizieren von Geräuschquellen
FR2091906B1 (da) * 1970-04-15 1973-12-21 Inst Francais Du Petrole
GB1415666A (en) * 1972-04-12 1975-11-26 Atomic Energy Authority Uk Methods and apparatus for the location of sources of pulse like signals
US3838593A (en) * 1972-11-06 1974-10-01 Exxon Research Engineering Co Acoustic leak location and detection system
US3924456A (en) * 1973-08-17 1975-12-09 Western Electric Co Methods and apparatus for detecting the presence of cracks in a workpiece by the use of stress waves emitted therefrom
JPS5248032B2 (da) * 1973-08-27 1977-12-07
DE2413544C2 (de) * 1974-03-21 1982-04-29 Fried. Krupp Gmbh, 4300 Essen Verfahren zum Bilden eines Summensignals und zweier Differenzsignale zum Anzeigen der Richtung einfallender Schallwellen und Vorrichtung zu seiner Ausübung
US4128011A (en) * 1974-07-16 1978-12-05 Savage Robert J Investigation of the soundness of structures
US3985024A (en) * 1975-02-28 1976-10-12 Grumman Corporation Acoustic emission process and system for improved flaw source location
US4033179A (en) * 1975-03-07 1977-07-05 Westinghouse Electric Corporation Acoustic emission monitoring system
US4009463A (en) * 1975-03-13 1977-02-22 Westinghouse Electric Corporation Acoustic emission monitoring system
JPS5823895B2 (ja) * 1976-05-25 1983-05-18 岩崎通信機株式会社 振動源位置検出方法およびその装置
US4269065A (en) * 1978-03-01 1981-05-26 Clark Robert N Ultrasonic detector apparatus
JPS5585269A (en) * 1978-12-23 1980-06-27 Nippon Ii T L Kk Device for ranging sound source and the like
US4380172A (en) * 1981-02-19 1983-04-19 General Electric Company On-line rotor crack detection

Also Published As

Publication number Publication date
BE890058A (fr) 1981-12-16
NL8120316A (nl) 1982-07-01
DK182182A (da) 1982-04-23
NO152988B (no) 1985-09-16
GB2097122B (en) 1984-08-22
FR2489522B1 (fr) 1985-11-15
DK152599B (da) 1988-03-21
AU7537481A (en) 1982-03-17
DK152599C (da) 1988-09-19
WO1982000718A1 (en) 1982-03-04
DE3152258A1 (en) 1982-10-07
FR2489522A1 (fr) 1982-03-05
SE8005963L (sv) 1982-02-27
NO821321L (no) 1982-04-23
CA1178706A (en) 1984-11-27
SE440829B (sv) 1985-08-19
GB2097122A (en) 1982-10-27
AU547990B2 (en) 1985-11-14
US4481818A (en) 1984-11-13
JPS57501492A (da) 1982-08-19

Similar Documents

Publication Publication Date Title
NO152988C (no) Fremgangsmaate for aa paavise, fortrinnsvis kontinuerlig, naervaer samt dannelse og vekst av sprekker i byggekonstruksjoner
NO791652L (no) Fremgangsmaate og innretning for vannbunnlogging
KR890701116A (ko) 궤양 예방용 조성물 및 그 방법
IS1183B6 (is) Pyridoxine efnablöndur, aðferð til framleiðslu þeirra og notkunar til lækninga
FR2564693B1 (fr) Serre solaire et vitrage pour serre
DK39179A (da) 2h-benzofuran-3-on-derivater og fremgangsmaade til fremstilling deraf
DK188279A (da) Purin-derivater og fremgangsmaade til fremstilling deraf
DK565981A (da) Kommutator og fremgangsmaade til fremstilling deraf
IT7968742A0 (it) Mattoni e metodo per la costruzionedi edifici
DK158188C (da) Hoejfrekvenstaetning til huslukker og doere
NO812493L (no) Metode for aa aapne, sammenfolde og rotere stive baatseil
YU43458B (en) Method of detecting cracks in surfaces
IT1120002B (it) Metodo e procedimento per arilalchilazione
NO865280L (no) Anordning og fremgangsmaate for bestemmelse av orienteringen av sprekker i geologisk formasjon.
DK270279A (da) Cystaminderivater og fremgangsmaade til fremstilling deraf
NO151460C (no) Fremgangsmaate og fremstilling av 2-fluorerte metylaminoacetonitriler
DK259379A (da) Thieno eller furopyridonderivater og fremgangsmaade til fremstilling deraf
NO801922L (no) Fremgangsmaate og anordning for enzymatisk modning av fisk - saerlig sild.
DK97079A (da) Benzonitrilderivat samt fremgangsmaade til fremstilling deraf og anvendelse deraf
DK401781A (da) Hepatoma-cellelinie og fremgangsmaade til fremstilling deraf
SE8009047L (sv) Lyft- och berhjelpmedel
GT198167188A (es) Formulacion anticoccidiana y metodo
DK136879A (da) Brandhaemmende ologomere phosphatestere og fremgangsmaade til fremstilling deraf
IT1142141B (it) Procedimento e substrato di fermentazione
FR2343095A1 (fr) Maison modulaire transportable et procede pour la construire