Early age monitoring of cement mortar using embedded piezoelectric sensors

被引：12
|
作者：
Narayanan, Arun [1 ]
Subramaniam, Kolluru V. L. [1 ]
机构：
[1] Indian Inst Technol Hyderabad, Dept Civil Engn, Hyderabad 502285, TS, India
来源：
HEALTH MONITORING OF STRUCTURAL AND BIOLOGICAL SYSTEMS 2016 | 2016年 / 9805卷
关键词：
PZT; Electromechanical Impedance; Conductance; hydration; cement mortar; PIEZO-IMPEDANCE TRANSDUCERS; CONCRETE; MODEL;
D O I：
10.1117/12.2219655
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
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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收藏
页数：8
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