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ZA791773B - A method of investigating an anchored rod-like body having an accessible end,and apparatus for carrying out the method - Google Patents

A method of investigating an anchored rod-like body having an accessible end,and apparatus for carrying out the method

Info

Publication number
ZA791773B
ZA791773B ZA791773A ZA791773A ZA791773B ZA 791773 B ZA791773 B ZA 791773B ZA 791773 A ZA791773 A ZA 791773A ZA 791773 A ZA791773 A ZA 791773A ZA 791773 B ZA791773 B ZA 791773B
Authority
ZA
South Africa
Prior art keywords
investigating
carrying
accessible end
anchored rod
anchored
Prior art date
Application number
ZA791773A
Other languages
English (en)
Inventor
H Thurner
C Svensson
A Sandstroem
Original Assignee
H Thurner
C Svensson
A Sandstroem
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 H Thurner, C Svensson, A Sandstroem filed Critical H Thurner
Publication of ZA791773B publication Critical patent/ZA791773B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/02—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating 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
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/101—Number of transducers one transducer

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Biochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Structural Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Endoscopes (AREA)
ZA791773A 1978-04-13 1979-04-12 A method of investigating an anchored rod-like body having an accessible end,and apparatus for carrying out the method ZA791773B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7804161 1978-04-13

Publications (1)

Publication Number Publication Date
ZA791773B true ZA791773B (en) 1980-05-28

Family

ID=20334592

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA791773A ZA791773B (en) 1978-04-13 1979-04-12 A method of investigating an anchored rod-like body having an accessible end,and apparatus for carrying out the method

Country Status (10)

Country Link
US (1) US4308751A (fr)
EP (1) EP0018376A1 (fr)
AT (1) ATA271479A (fr)
AU (1) AU524188B2 (fr)
CA (1) CA1144635A (fr)
DE (1) DE2915156A1 (fr)
GB (1) GB2023820B (fr)
NO (1) NO791245L (fr)
WO (1) WO1979000929A1 (fr)
ZA (1) ZA791773B (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586381A (en) * 1983-07-29 1986-05-06 The Charles Stark Draper Laboratory, Inc. Nondestructive ultrasonic transducer
FI69680C (fi) * 1984-06-12 1986-03-10 Tampella Oy Ab Foerfarande foer optimering av bergborrning
JPS63186122A (ja) * 1987-01-28 1988-08-01 Power Reactor & Nuclear Fuel Dev Corp 構造物の異常診断方式
US5325722A (en) * 1992-08-14 1994-07-05 The United States Of America As Represented By The Secretary Of The Navy Split pipe testing device for the measurement of bond of reinforcement under controlled confinement
US5629485A (en) * 1994-12-13 1997-05-13 The B.F. Goodrich Company Contaminant detection sytem
KR100195436B1 (ko) * 1996-12-20 1999-06-15 서동만 초음파 레일라이파를 이용한 나삿니의 미세 결함 검출 방법
EP0855589A1 (fr) * 1997-01-24 1998-07-29 European Atomic Energy Community (Euratom) Mesure de propriétés de matériaux ou de structures
US5970798A (en) * 1997-09-25 1999-10-26 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Ultrasonic bolt gage
DE19852455C2 (de) * 1998-11-13 2003-12-24 Geoforschungszentrum Potsdam Verankerungseinrichtung mit seismischem Sensor
DE19922058A1 (de) * 1999-05-14 2000-11-23 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Zustandserfassung und Prüfung von langgestreckten Verbindungselementen mittels Ultraschall
DE102004059280B4 (de) * 2004-12-09 2007-08-16 Dräger Safety AG & Co. KGaA Elektrochemischer Gassensor
GB0707129D0 (en) * 2007-04-13 2007-05-23 Bioinnovel Ltd Fermenter monitor
US8534132B1 (en) 2010-11-19 2013-09-17 Charles L. Purdy Method for measuring tension in an anchored rod at an accessible end
RU2487243C2 (ru) * 2011-05-31 2013-07-10 Министерство образования РФ Государственное образовательное учреждение высшего профессионального образования "Уральский государственный горный университет" Способ неразрушающего контроля анкерной железобетонной крепи
CN102419346B (zh) * 2011-08-10 2014-04-23 中国矿业大学 锚杆群支护质量检测方法和检测装置
DE102015212810B4 (de) * 2015-07-08 2023-10-19 Sauer Gmbh Vorrichtung zur Erzeugung einer Ultraschallschwingung eines Werkzeugs und zur Messung von Schwingungsparametern
CN109844518B (zh) * 2016-08-16 2022-09-20 加拿大国家研究委员会 超声波岩石锚杆状态监测的方法和系统
JP7005272B2 (ja) * 2017-10-20 2022-01-21 株式会社安藤・間 切羽前方探査方法
JP7252698B2 (ja) * 2019-07-02 2023-04-05 株式会社ケー・エフ・シー Ｊ型アンカーボルトの定着状態判定装置及び定着状態判定方法
US11940417B2 (en) 2021-02-02 2024-03-26 Toyota Motor Engineering & Manufacturing North America, Inc. Systems and methods for machine learning based flexural wave absorber
US11776525B1 (en) 2022-09-09 2023-10-03 Toyota Motor Engineering & Manufacturing North America, Inc. Systems and methods for machine learning based active metasurfaces for flexural and/or longitudinal wave control and harmonics generation
CN116878577B (zh) * 2023-07-19 2024-02-27 山东大学 一种隧道钻爆法原位改扩建工程的监测方法及系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625035A (en) * 1945-12-22 1953-01-13 United Aircraft Corp Supersonic inspection device
US3066525A (en) * 1960-02-24 1962-12-04 Harris Transducer Corp Pole testing apparatus
US3306100A (en) * 1964-02-25 1967-02-28 Skidmore Wilhelm Mfg Co Ultrasonic bolt tension tester
GB1250596A (fr) * 1969-02-25 1971-10-20
US3593255A (en) * 1969-05-29 1971-07-13 Marathon Oil Co Acoustic logging tool having opposed transducers
US3810385A (en) * 1971-02-22 1974-05-14 Mc Donnell Douglas Corp Transducer means for ultrasonic extensometer
US4014208A (en) * 1976-04-01 1977-03-29 Rockwell International Corporation Ultrasonic system for measuring dimensional or stress change in structural member
US4062227A (en) * 1976-12-23 1977-12-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration CW ultrasonic bolt tensioning monitor
US4198865A (en) * 1978-07-24 1980-04-22 Energy & Minerals Research Co. Apparatus and method of monitoring anchored bolts
US4191904A (en) * 1978-09-28 1980-03-04 Fred M. Dellorfano, Jr. Electroacoustic transducers of the flexural resonant vibratile type

Also Published As

Publication number Publication date
NO791245L (no) 1979-10-16
US4308751A (en) 1982-01-05
EP0018376A1 (fr) 1980-11-12
GB2023820B (en) 1983-02-23
WO1979000929A1 (fr) 1979-11-15
DE2915156A1 (de) 1979-10-25
AU524188B2 (en) 1982-09-02
GB2023820A (en) 1980-01-03
ATA271479A (de) 1985-07-15
CA1144635A (fr) 1983-04-12
DE2915156C2 (fr) 1988-12-22
AU4602479A (en) 1979-10-18

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