CS266370B1 - Device for defining of craks in concrete and in other ussed materials - Google Patents

Device for defining of craks in concrete and in other ussed materials Download PDF

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Publication number
CS266370B1
CS266370B1 CS8410050A CS1005084A CS266370B1 CS 266370 B1 CS266370 B1 CS 266370B1 CS 8410050 A CS8410050 A CS 8410050A CS 1005084 A CS1005084 A CS 1005084A CS 266370 B1 CS266370 B1 CS 266370B1
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CS
Czechoslovakia
Prior art keywords
radioactive
concrete
materials
craks
ussed
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CS8410050A
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English (en)
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CS1005084A1 (en
Inventor
Andreas Dipl Phys Hermann
Ernest-Jurgen Rndr Langrock
Klaus-Dieter Dr Ing Pursche
Arno Ing Schrenk
Hartmut Prof Dr Baumbach
Frank Dipl Phys Haussler
Original Assignee
Andreas Dipl Phys Hermann
Langrock Ernest Jurgen Rndr
Pursche Klaus Dieter Dr Ing
Arno Ing Schrenk
Baumbach Hartmut
Frank Dipl Phys Haussler
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Application filed by Andreas Dipl Phys Hermann, Langrock Ernest Jurgen Rndr, Pursche Klaus Dieter Dr Ing, Arno Ing Schrenk, Baumbach Hartmut, Frank Dipl Phys Haussler filed Critical Andreas Dipl Phys Hermann
Publication of CS1005084A1 publication Critical patent/CS1005084A1/cs
Publication of CS266370B1 publication Critical patent/CS266370B1/cs

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
    • G01N33/383—Concrete or cement
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Description

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Claims (5)

  1. 5 cs 266370 El PŘEDMĚT VYNALEZU
    1. Způsob pro určování trhlin v betonu a ve využí-vaných materiálech, vyznačující se tím, že se přenášíkapalina s libovolnou sledovanou značkovací látkou dourčitých oblasti stavební konstrukce a ve zřetelněvytvořeném obrazu se zobrazuje i trhlina v důsledku « rozdělení kapaliny.
  2. 2. Způsob podle bodu 1, vyznačující se tím, že znač-kovací látkou je radioaktivní izotop, který se dobřezjištuje zvenku s pomocí detektorů záření nebo filmu.
  3. 3. Způsob oodle bodu 1, vyznačující se tím, že rádioaktivní látka se používá pro řadu cejchovacích měřenía při stejných materiálech se upouští od radioaktivní-ho indikátoru.
  4. 4. Způsob podle bodu 1, vyznačující se tím, že znač-kovací látka se skládá ze dvou různých radioaktivníchizotopů, jejíž jedna složka se pohlcuje stavebním ma-teriálem a druhá složka se nepohlcuje.
  5. 5. Způsob, podle, .bodu 1, vyznačující se tím, že vzdálenost mezi povrchem a ..trhlinou- se určuje v důsledkuzměny maxima energie radioaktivních indikátorů, v zá— V vislosti na prosvěcované tlouštce materiálu. .
CS8410050A 1984-01-25 1984-12-20 Device for defining of craks in concrete and in other ussed materials CS266370B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD25958084A DD233761A3 (de) 1984-01-25 1984-01-25 Verfahren zur ermittlung von rissen in betonen und verwandten materialien

Publications (2)

Publication Number Publication Date
CS1005084A1 CS1005084A1 (en) 1988-08-16
CS266370B1 true CS266370B1 (en) 1989-12-13

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ID=5554286

Family Applications (1)

Application Number Title Priority Date Filing Date
CS8410050A CS266370B1 (en) 1984-01-25 1984-12-20 Device for defining of craks in concrete and in other ussed materials

Country Status (6)

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AT (1) ATA373884A (cs)
BG (1) BG45966A1 (cs)
CS (1) CS266370B1 (cs)
DD (1) DD233761A3 (cs)
DE (1) DE3442544A1 (cs)
FR (1) FR2558596A1 (cs)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3823220A1 (de) * 1988-07-08 1990-01-11 Boris V Dipl Ing Drachenfels Verfahren zur lokalisierung von hohlraeumen u. dgl. in betonbauwerken und betonfertigteilen, insbesondere in spannbetonbauwerken
CN101093199B (zh) * 2006-06-23 2010-12-29 东南大学 预应力混凝土结构灌浆空洞的无损检测方法
CN101713727B (zh) * 2009-12-29 2012-05-23 江苏省电力试验研究院有限公司 在役变电站混凝土构件承载安全检测装置及其检测方法
US9651447B1 (en) * 2016-03-06 2017-05-16 The Boeing Company Radiographic method and apparatus for detection of cracks, defects, or leak pathways in materials and assemblies
CN108828199A (zh) * 2018-06-13 2018-11-16 陕西红柠铁路有限责任公司 一种使用玻璃条监测混凝土裂纹的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB992972A (en) * 1962-02-26 1965-05-26 Cons Electrodynamics Corp Method for testing the penetration of matter into bodies
US3621252A (en) * 1969-11-28 1971-11-16 Industrial Nucleonics Corp Process and apparatus for defect detection using a radioactive isotope
US4172224A (en) * 1978-10-24 1979-10-23 The United States Of America As Represented By The United States Department Of Energy Process for the detection of micro-cracks
US4317996A (en) * 1980-01-14 1982-03-02 R. E. Davis Chemical Corporation Methods for detection of roof leaks and areas or zones of the leakage

Also Published As

Publication number Publication date
ATA373884A (de) 1995-05-15
DD233761A3 (de) 1986-03-12
CS1005084A1 (en) 1988-08-16
DE3442544C2 (cs) 1989-06-08
BG45966A1 (en) 1989-09-15
FR2558596A1 (fr) 1985-07-26
DE3442544A1 (de) 1985-07-25

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