Application of Piezoelectric Ultrasonic Sensor in the Monitoring of Concrete Structure Strain

被引：5

作者：

Chai, Tingting ^{[1
,2
]}

Li, Zhuowei ^{[3
]}

Qin, Jianmin ^{[1
]}

机构：

[1] Taiyuan Univ Technol, Key Lab Adv Transducers & Intelligent Control Sys, Minist Educ & Shanxi Prov, Taiyuan 030024, Shanxi, Peoples R China

[2] Taiyuan Univ Sci & Technol, Coll Elect & Informat Engn, Taiyuan 030024, Shanxi, Peoples R China

[3] Taiyuan Heavy Ind Co Ltd, Technol Ctr, Taiyuan 030024, Shanxi, Peoples R China

来源：

JOURNAL OF NANOELECTRONICS AND OPTOELECTRONICS | 2017年 / 12卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Piezoelectric; Ultrasonic Sensor; Concrete Strains; REINFORCED-CONCRETE; VELOCITY;

D O I：

10.1166/jno.2017.2233

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This study designed a piezoelectric ultrasonic sensor based on the principles of piezoelectric sensor and ultrasonic inspection and used to monitor the concrete structure strains. The observed results demonstrated that the compressive strength of concrete with different ages were different. The first wave amplitude and waveform (peak-peak) of the cement samples under different compressive strength suggested an increasing tendency which confirmed a proportional relation. Moreover, the wave form and frequency were also different. The experiment on different degrees of cracks found that the cracks with higher degree had weaker monitoring signals. The presented study verified that piezoelectric ultrasonic sensors are useful in monitoring the strains in the concrete structure.

引用

页码：1093 / 1097

页数：5

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