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Vol. 138, No. 3, March 2012, pp. 59-70




Evaluation of Online Strain Monitoring of Concrete/Steel Structures - Laboratory and Field Studies


a,* M. S. KARTHIKEYAN, a A. K. Parande, a K. Kumar, a R. Jeyaram,
a N. Palaniswamy, a A. Sivashanmugam, a R. H. Suresh Bapu, b K. Lakshmibarani and b C. Ponraj

a CSIR-Central Electrochemical Research Institute, Karaikudi- 630006, Tamil Nadu, India

b Civil Engineering Department, Thiagarajar College of Engineering, Madurai, Tamil Nadu, India

* E-mail: skrcsir@gmail.com



Received: 4 January 2012   /Accepted: 20 March 2012   /Published: 31 March 2012

Digital Sensors and Sensor Sysstems


Abstract: Assessment of concrete structures and prediction of their health and life could be possible by online monitoring of the stress/strain level and is an intelligent tool to prevent accidents. The present paper describes the methodology, instrumentation line up, coding for LabVIEW software for continuous online strain data acquisition of structures. The performance of strain gauges were evaluated at laboratory tests and were successfully employed for monitoring the micro strain on concrete and steel containment structures of nuclear reactor and to assess their integrity and health.


Keywords: Concrete structures, Containment structures, Strain gauge, Forced members, Flexibility of measurement, Online monitoring



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