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Organisationseinheit der BAM
Motivation:
- Beschleunigungsaufnehmer (BA) sind in ihrer Funktion und in ihren Messeigenschaften stark temperaturabhängig
- kritisch ist z. B. der Dämpfungsmechanismus der seismischen Masse piezoelektrischer BA
- Anwendung: z. B. Fallversuche mit spezifischer Temperaturvorgabe (- 40 °C, + 100 °C)
- Entwicklung eines geeigneten Prüfverfahrens zur temperaturabhängigen Untersuchung von BA
Problemstellung:
- größter Turmbahnhof Europas
- Bau auf nachgiebigem Sandboden
- weitere Baumaßnahmen in unmittelbarer Nähe
- Setzungen und Hebungen der Brückenfundamente
- resultierende Beanspruchungen der Konstruktion
- Erfassung der Beanspruchungen und Verformungen während Bau und Betrieb
- Möglichkeit der Nachstellung der Gabelstützen
The combination of Radio-frequency identification (RFID) and low energy sensors offers promising chances to implement cost effective, easy to apply, and easy to handle sensor systems for a variety of applications. The RFID technology is already well established in logistics. Enhanced processing and interface capabilities enable the integration of various sensors for control, diagnostics, and monitoring tasks. In the scope of research projects carried out at the Federal Institute for Materials Research and Testing (BAM), RFID sensor systems were developed and validated with regard to two different application scenarios: the Identification and diagnosis of concrete components for road bridges and the monitoring of dangerous goods transportation. This contribution presents selected research results and reflects the practical experiences on future chances and limitations of RFID sensor systems.