Zobrazeno 1 - 10
of 22
pro vyhledávání: '"O. Kroggel"'
Autor:
O. Kroggel
Publikováno v:
Emerging Technologies in NDT ISBN: 9781003078586
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::62caa94e8bbd3d15ee88ab1e884594b6
https://doi.org/10.1201/9781003078586-51
https://doi.org/10.1201/9781003078586-51
Publikováno v:
NDT & E International. 39:258-263
A test setup using the ultrasonic wave reflection technique is used to monitor the hydration process of early-age cement-based materials throughout their setting and hardening. The focus of the investigation presented here is the monitoring of the st
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5091abfb2eb41c5c317cc64343ef8f2e
https://doi.org/10.1016/j.ndteint.2005.06.012
https://doi.org/10.1016/j.ndteint.2005.06.012
Autor:
Christiane Maierhofer, O. Kroggel, W. Müller, Herbert Wiggenhauser, V. Schmitz, J. Neisecke, F. Kretzschmar, Karl-Jörg Langenberg, F. Wollbold, M. Schickert, Martin Krause, M. Bärmann, R. Frielinghaus
Publikováno v:
NDT & E International. 30:195-204
Pulse-echo methods (radar, impact-echo, ultrasonic impulse-echo) and simulation of wave propagation are applied for testing concrete speciments with metal ducts. The results of nondestructive testing of the same specimens by nine workgroups are descr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c82e7c7c9713e8223825448a1276d45
https://doi.org/10.1016/s0963-8695(96)00056-4
https://doi.org/10.1016/s0963-8695(96)00056-4
Publikováno v:
Beton- und Stahlbetonbau. 91:297-303
Die zerstoerungsfreie Pruefung von Betonbauteilen mit Ultraschall beschraenkte sich bis vor wenigen Jahren auf Transmissionsverfahren, welche die beidseitige Zugaenglichkeit des zu pruefenden Bauteils zwingend voraussetzen. Aufgrund der heterogenen W
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a459bc101640e79faa8a7ececfefff61
https://doi.org/10.1002/best.199600490
https://doi.org/10.1002/best.199600490
Publikováno v:
Verbundwerkstoffe: 14. Symposium Verbundwerkstoffe und Werkstoffverbunde
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6be4e1517144a7efbb8883c8f8ba2cb4
https://doi.org/10.1002/9783527609017.ch102
https://doi.org/10.1002/9783527609017.ch102
Autor:
O. Kroggel
Publikováno v:
Transportation Infrastructure ISBN: 9783642646911
The present situation of monitoring with respect to standards and technologies is presented. Future developments and possibilities in the field of sensor technique are pointed out and experiences of case studies are reported.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8b19b39bf98c48b1720bf0d18106378
https://doi.org/10.1007/978-3-642-61092-9_20
https://doi.org/10.1007/978-3-642-61092-9_20
Publikováno v:
Beton- und Stahlbetonbau. 96:157-158
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4964642ac7bf4075160a3a8e509f8683
https://doi.org/10.1002/best.200100240
https://doi.org/10.1002/best.200100240
Autor:
O. Kroggel, H. D. Stein
Publikováno v:
Beton- und Stahlbetonbau. 86:41-42
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39466fb7d4ee11115632994db894033b
https://doi.org/10.1002/best.199100100
https://doi.org/10.1002/best.199100100
Publikováno v:
Journal of Physics C: Solid State Physics. 13:6349-6358
The diffuse X-ray intensity scattered from the displacement field of point defects in low-temperature X-irradiated argon crystals is measured. The double force tensor describing the long-range distortion field of the interstitial atom is derived from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be7e77a6e1f390a4c7f7d57da1817c00
https://doi.org/10.1088/0022-3719/13/34/005
https://doi.org/10.1088/0022-3719/13/34/005