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Review
. 2017 Sep 19;17(9):2151.
doi: 10.3390/s17092151.

Deployment of a Smart Structural Health Monitoring System for Long-Span Arch Bridges: A Review and a Case Study

Zengshun Chen  1   2 , Xiao Zhou  3 , Xu Wang  4   5   6 , Lili Dong  7 , Yuanhao Qian  8
Affiliations
Review

Deployment of a Smart Structural Health Monitoring System for Long-Span Arch Bridges: A Review and a Case Study

Zengshun Chen et al. Sensors (Basel). .

Abstract

Structural health monitoring (SHM) technology for surveillance and evaluation of existing and newly built long-span bridges has been widely developed, and the significance of the technique has been recognized by many administrative authorities. The paper reviews the recent progress of the SHM technology that has been applied to long-span bridges. The deployment of a SHM system is introduced. Subsequently, the data analysis and condition assessment including techniques on modal identification, methods on signal processing, and damage identification were reviewed and summarized. A case study about a SHM system of a long-span arch bridge (the Jiubao bridge in China) was systematically incorporated in each part to advance our understanding of deployment and investigation of a SHM system for long-span arch bridges. The applications of SHM systems of long-span arch bridge were also introduced. From the illustrations, the challenges and future trends for development a SHM system were concluded.

Keywords: intelligent management; long-span arch bridge; smart system; structural health monitoring.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
Subsystems of a long-term SHM system.
Figure 2
Figure 2
A framework of data acquisition and transmission sub-system.
Figure 3
Figure 3
Overview of the Jiubao Bridge.
Figure 4
Figure 4
Flowchart of data acquisition and transmission of automatic monitoring system.
Figure 5
Figure 5
Layout of sensors on Jiubao Bridge.
Figure 5
Figure 5
Layout of sensors on Jiubao Bridge.
Figure 6
Figure 6
Framework of data acquisition and transmission network topology for stress-strain and cable force monitoring.
Figure 7
Figure 7
Flowchart of data acquisition and transmission network topology for traffic flow.
Figure 8
Figure 8
Diagram of equipment function in monitoring center.
Figure 9
Figure 9
Basic concept of the RDT after [74].
Figure 10
Figure 10
Monitoring interface: (a) observed deformation; (b) temperature; (c) time-history wind speed; (d) statistical analysis of wind speed; (e)statistical analysis of vehicle speed; (f) statistical analysis of vehicle axle-weight.
Figure 10
Figure 10
Monitoring interface: (a) observed deformation; (b) temperature; (c) time-history wind speed; (d) statistical analysis of wind speed; (e)statistical analysis of vehicle speed; (f) statistical analysis of vehicle axle-weight.
Figure 11
Figure 11
Average power spectral density of all vibration-monitoring points after [90].
See this image and copyright information in PMC

References

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