01555136

Component

https://doi.org/10.3141/2504-18

The monitoring of bridge structures during construction has received significant attention in recent years as accelerated construction techniques are being used more frequently. Continuous monitoring systems can verify that quality and safety are maintained during construction by minimizing construction uncertainties and aiding designers to compare the actual behavior of a structure with the design models. Additionally, the behavior of structures in different stages of construction may be important in the definition of abnormal responses (e.g., the loss or reverse of a previously measured dead load) during the life span of a bridge. This paper gives an overview of the monitoring system for substructure construction that was considered for the Ironton–Russell Bridge between Ironton, Ohio, and Russell, Kentucky, during its design and service stages. First, the sensory network of the bridge will be detailed. Second, data processing (which involves two anomaly detection algorithms) and other components of the monitoring system will be presented. Finally, some of the data collected by the monitoring system during construction will be analyzed, and a comparison between the theoretical and actual response to a major vertical posttensioning event will be made. The result showed that the actual response matched the expected response and that the newly developed algorithm has a promising potential for tracking daily thermal responses.

01582852

15-1837

English

pp 159–167

2015

Transportation Research Record: Journal of the Transportation Research Board

9780309369176

Print

Figures (9) ; Photos; References (25) ; Tables (3)

Algorithms; Bridge construction; Bridge substructures; Data analysis; Information processing; Structural health monitoring; Temperature measurement

Ironton-Russell Bridge

Bridges and other structures; Construction; Highways; Maintenance and Preservation; I53: Construction of Bridges and Retaining Walls; I60: Maintenance

PRP, TRIS, TRB, ATRI

Dec 30 2014 12:40PM

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