CA2434958C - Controle magnetoscopique de torons de tension pour le beton - Google Patents
Controle magnetoscopique de torons de tension pour le beton Download PDFInfo
- Publication number
- CA2434958C CA2434958C CA002434958A CA2434958A CA2434958C CA 2434958 C CA2434958 C CA 2434958C CA 002434958 A CA002434958 A CA 002434958A CA 2434958 A CA2434958 A CA 2434958A CA 2434958 C CA2434958 C CA 2434958C
- Authority
- CA
- Canada
- Prior art keywords
- detector
- pipe
- axis
- coil
- driver
- 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.)
- Expired - Lifetime
Links
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
- G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9013—Arrangements for scanning
- G01N27/902—Arrangements for scanning by moving the sensors
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
L'invention concerne des procédés pour effectuer un contrôle magnétoscopique d'éléments de tension dans un cylindre de béton précontraint, comme une canalisation ou un réservoir d'eau et un appareil d'essai. L'appareil comprend un moyen de production de flux magnétique et un moyen formant détecteur placé à proximité d'une surface du cylindre dans un plan commun avec le moyen de production de flux magnétique qui est orthogonal à un axe du cylindre. L'appareil fonctionne sur une plage de signaux à faible fréquence, par exemple, entre 20 et 300 Hertz ou une impulsion. La sortie de l'appareil de contrôle comprend un graphique représentant les signaux et la distance et illustrant les résultats des tests d'un cylindre à une ou plusieurs fréquences. Selon un autre procédé d'analyse, une caractéristique de la phase de sortie par rapport à la distance est représentée graphiquement, ainsi que la phase ou les représentations des composantes en phase ou en quadrature du signal reçu par rapport au signal d'attaque.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002477877A CA2477877C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
| CA002434958A CA2434958C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
| CA002477880A CA2477880C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002332473A CA2332473A1 (fr) | 2001-01-29 | 2001-01-29 | Systeme de surveillance de conduites en beton precontraint |
| CA2,332,473 | 2001-01-29 | ||
| CA002356239A CA2356239A1 (fr) | 2001-01-29 | 2001-08-27 | Analyse electromagnetique a basse frequence de tiges en metal brindillees, sous tension et pre-stressees utilisees dans la composition de tuyaux en ciment |
| CA2,356,239 | 2001-08-27 | ||
| CA2,361,813 | 2001-11-13 | ||
| CA002361813A CA2361813A1 (fr) | 2001-01-29 | 2001-11-13 | Analyse electromagnetique a basse frequence de fils de mise en tension du beton precontraint |
| CA002434958A CA2434958C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
| PCT/CA2002/000085 WO2002061412A2 (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002477877A Division CA2477877C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
| CA002477880A Division CA2477880C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2434958A1 CA2434958A1 (fr) | 2002-08-08 |
| CA2434958C true CA2434958C (fr) | 2005-05-03 |
Family
ID=28046559
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002477877A Expired - Lifetime CA2477877C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
| CA002477880A Expired - Lifetime CA2477880C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
| CA002434958A Expired - Lifetime CA2434958C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002477877A Expired - Lifetime CA2477877C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
| CA002477880A Expired - Lifetime CA2477880C (fr) | 2001-01-29 | 2002-01-29 | Controle magnetoscopique de torons de tension pour le beton |
Country Status (1)
| Country | Link |
|---|---|
| CA (3) | CA2477877C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791375B (zh) * | 2022-05-04 | 2022-10-04 | 浙江致远工程管理有限公司 | 用于建材检验的智能设备 |
-
2002
- 2002-01-29 CA CA002477877A patent/CA2477877C/fr not_active Expired - Lifetime
- 2002-01-29 CA CA002477880A patent/CA2477880C/fr not_active Expired - Lifetime
- 2002-01-29 CA CA002434958A patent/CA2434958C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2477877C (fr) | 2008-07-08 |
| CA2477880C (fr) | 2005-06-14 |
| CA2434958A1 (fr) | 2002-08-08 |
| CA2477877A1 (fr) | 2002-08-08 |
| CA2477880A1 (fr) | 2002-08-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20220131 |
|
| MKEX | Expiry |
Effective date: 20220131 |