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Sensors 2017, 17(7), 1641; https://doi.org/10.3390/s17071641

Development and Application of a Structural Health Monitoring System Based on Wireless Smart Aggregates

1
School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China
2
Department of Mechanical Engineering, University of Houston, Houston, TX 77004, USA
3
Liaoning Electric Power Survey & Design Institute, Shenyang 110179, China
*
Author to whom correspondence should be addressed.
Received: 29 May 2017 / Revised: 6 July 2017 / Accepted: 10 July 2017 / Published: 17 July 2017
(This article belongs to the Special Issue Sensors and Sensor Networks for Structural Health Monitoring)

Abstract

Structural health monitoring (SHM) systems can improve the safety and reliability of structures, reduce maintenance costs, and extend service life. Research on concrete SHMs using piezoelectric-based smart aggregates have reached great achievements. However, the newly developed techniques have not been widely applied in practical engineering, largely due to the wiring problems associated with large-scale structural health monitoring. The cumbersome wiring requires much material and labor work, and more importantly, the associated maintenance work is also very heavy. Targeting a practical large scale concrete crack detection (CCD) application, a smart aggregates-based wireless sensor network system is proposed for the CCD application. The developed CCD system uses Zigbee 802.15.4 protocols, and is able to perform dynamic stress monitoring, structural impact capturing, and internal crack detection. The system has been experimentally validated, and the experimental results demonstrated the effectiveness of the proposed system. This work provides important support for practical CCD applications using wireless smart aggregates. View Full-Text
Keywords: structural health monitoring (SHM); concrete crack detection (CCD); piezoelectric ceramics; wireless smart aggregates; Zigbee; active wave based method structural health monitoring (SHM); concrete crack detection (CCD); piezoelectric ceramics; wireless smart aggregates; Zigbee; active wave based method
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Yan, S.; Ma, H.; Li, P.; Song, G.; Wu, J. Development and Application of a Structural Health Monitoring System Based on Wireless Smart Aggregates. Sensors 2017, 17, 1641.

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