Autonomous structural health monitoring using wireless smart sensors on a cable-stayed bridge

S. Jang, H. Jo, K. Mechitov, S. H. Sim, B F Spencer, Gul A Agha, S. Cho, H. J. Jung, C. B. Yun, J. A. Rice

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Structural health monitoring for long-span bridges using wireless smart sensor network (WSSN) has drawn significant attention. The benefits of the WSSN are low-cost, time efficiency, and postprocessing- free operation. However, some drawbacks have remained with respect to implementation of WSSNs on long-span bridges, including power consumption, manual communication with the sensor network, and limitations on the hardware. In this paper, the solutions for these drawbacks are provided by an energy efficient autonomous monitoring strategy, combined with newly developed sensor boards. The elements of the autonomous monitoring strategy consist of energy efficient sleeping mode and automatic thresholdbased sensing. A tri-axial acceleration board with temperature and humidity measurements and a wind speed sensor board are utilized. To demonstrate the efficacy of this hardware/software solution, 70 Imote2s loaded with the developed software package have been deployed on the Jindo Bridge in South Korea. For further energy efficiency, several of these nodes are solar powered.

Original languageEnglish (US)
Title of host publicationBridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management
Pages185-192
Number of pages8
StatePublished - Dec 1 2010
Event5th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2010 - Philadelphia, PA, United States
Duration: Jul 11 2010Jul 15 2010

Publication series

NameBridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management

Other

Other5th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2010
CountryUnited States
CityPhiladelphia, PA
Period7/11/107/15/10

Fingerprint

Smart sensors
Cable stayed bridges
Structural health monitoring
Sensor networks
Computer hardware
Monitoring
Sensors
Software packages
Energy efficiency
Atmospheric humidity
Electric power utilization
Communication
Costs
Temperature

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Building and Construction

Cite this

Jang, S., Jo, H., Mechitov, K., Sim, S. H., Spencer, B. F., Agha, G. A., ... Rice, J. A. (2010). Autonomous structural health monitoring using wireless smart sensors on a cable-stayed bridge. In Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management (pp. 185-192). (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).

Autonomous structural health monitoring using wireless smart sensors on a cable-stayed bridge. / Jang, S.; Jo, H.; Mechitov, K.; Sim, S. H.; Spencer, B F; Agha, Gul A; Cho, S.; Jung, H. J.; Yun, C. B.; Rice, J. A.

Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. 2010. p. 185-192 (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Jang, S, Jo, H, Mechitov, K, Sim, SH, Spencer, BF, Agha, GA, Cho, S, Jung, HJ, Yun, CB & Rice, JA 2010, Autonomous structural health monitoring using wireless smart sensors on a cable-stayed bridge. in Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management, pp. 185-192, 5th International Conference on Bridge Maintenance, Safety and Management, IABMAS 2010, Philadelphia, PA, United States, 7/11/10.
Jang S, Jo H, Mechitov K, Sim SH, Spencer BF, Agha GA et al. Autonomous structural health monitoring using wireless smart sensors on a cable-stayed bridge. In Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. 2010. p. 185-192. (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).
Jang, S. ; Jo, H. ; Mechitov, K. ; Sim, S. H. ; Spencer, B F ; Agha, Gul A ; Cho, S. ; Jung, H. J. ; Yun, C. B. ; Rice, J. A. / Autonomous structural health monitoring using wireless smart sensors on a cable-stayed bridge. Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management. 2010. pp. 185-192 (Bridge Maintenance, Safety, Management and Life-Cycle Optimization - Proceedings of the 5th International Conference on Bridge Maintenance, Safety and Management).
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