1 April 2016 Early age monitoring of cement mortar using embedded piezoelectric sensors
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A piezoceramic based sensor consisting of embedded Lead Zirconate Titanate (PZT) patch is developed for assessing the progression of hydration and evolution of properties of cement mortar. A method for continuous assessment of cement mortar with different water to cement ratios after casting is presented. The method relies on monitoring changes in the electromechanical (EM) conductance of a PZT patch embedded in mortar. Changes in conductance are shown to sensitively reflect the changes in the mechanical impedance of the cementitious material as it transforms from fluid to solid state.
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Arun Narayanan, Arun Narayanan, Kolluru V. L. Subramaniam, Kolluru V. L. Subramaniam, "Early age monitoring of cement mortar using embedded piezoelectric sensors", Proc. SPIE 9805, Health Monitoring of Structural and Biological Systems 2016, 98052W (1 April 2016); doi: 10.1117/12.2219655; https://doi.org/10.1117/12.2219655

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