Novel sensors for long-term monitoring of pH and humidity in concrete

Structural Health Monitoring 2007: Quantification, Validation, and Implementation - Proceedings of the 6th International Workshop on Structural Health Monitoring, IWSHM 2007

Volumn 1, Issue , 2007, Pages 387-394

  Melhorn, K ^a   Flachsbarth, J ^a   Kowalsky, W ^a   Johannes, H H ^a  

^a TECHNICAL UNIVERSITY OF BRAUNSCHWEIG   (Germany)

Author keywords

Concrete structures; Fiber optical sensor; Humidity; Monitoring system; Optoelectronic sensor; PH; Structural health monitoring

Indexed keywords

ATMOSPHERIC HUMIDITY; CONCRETE BUILDINGS; CONCRETE CONSTRUCTION; CONCRETES; FIBERS; LIGHT EMITTING DIODES; LIGHT TRANSMISSION; MICROSENSORS; MONITORING; OPTICAL FIBER FABRICATION; OPTICAL SENSORS; PH; REFLECTION; SEMICONDUCTOR DIODES;

CONCRETE ENVIRONMENTS; ELECTRONIC COMPONENT; FIBER-OPTICAL SENSORS; INHOMOGENEOUS MATERIALS; LONG TERM MONITORING; MONITORING SYSTEM; OPTO-ELECTRONIC SENSORS; PLANAR TRANSMISSION;

STRUCTURAL HEALTH MONITORING;

EID: 84945180617     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (7)

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3. BR. Osterby and R. D. McKelvey. 1996. "Convergent Synthesis of Betaine-30, a Solvatochromic Dye", J. Chem. Educ, 73(8):260-261, 737.
4. J. Flachsbarth, M. Brandes, W. Kowalsky and H.-H. Johannes. 2004. "Humidity Sensor based on Reichardt's Dye prepared with Excimer-Laser", presented at the 2nd European Workshop on Structural Health Monitoring, Munich.
5. P. Makedonski. M. Brandes, W. Grahn, W. Kowalsky, J. Wichem, S. Wiese and H.-H. Johannes. 2004. "Synthesis or new kinds of reactive azo dyes and their application for fibrc-oplical pH-measuiemenls", Dyes and Pigments, 61, 109-119.
6. J. Flachsbarth, M. Blumcntritt, M. Kroener, W. Kowalsky, H.-H. Johannes. 2005. "A new Fiber-optical Transmission Sensor with sensitive zone created by laser cutting", 5lh Int. Workshop on Structural Health Monitoring, Stanford CA, 725-731, 2005.
7. M. Blumcntritt, K. Melhorn, J. Flachsbarth, M. Kroener, W. Kowalsky, H.-H. Johannes. 2007. "A novel fabrication method of fiber-optical planar transmission sensors for monitoring pH in concrete structures". Sensors and Actuators B, submitted