期刊
JOURNAL OF BRIDGE ENGINEERING
卷 17, 期 6, 页码 886-895出版社
ASCE-AMER SOC CIVIL ENGINEERS
DOI: 10.1061/(ASCE)BE.1943-5592.0000303
关键词
Nondestructive testing/evaluation; Structural health monitoring; Noncontact; Radar; Thermal IR; Photogrammetry; Digital image correlation; Bridge inspection
资金
- Research and Innovative Technology Administration (RITA), U.S. Department of Transportation (USDOT) [DTOS59-10-H-00001]
- Michigan Department of Transportation
- Michigan Tech Transportation Institute
- Michigan Tech Research Institute
- Center for Automotive Research
Improving transportation infrastructure inspection methods and the ability to assess conditions of bridges has become a priority in recent years as the transportation infrastructure continues to age. Current bridge inspection techniques consist largely of labor-intensive subjective measures for quantifying deterioration of various bridge elements. Some advanced nondestructive testing techniques, such as ground-penetrating radar, are being implemented; however, little attention has been given to remote sensing technologies. Remote sensing technologies can be used to assess and monitor the condition of bridge infrastructure and improve the efficiency of inspection, repair, and rehabilitation efforts. Most important, monitoring the condition of a bridge using remote sensors can eliminate the need for traffic disruption or total lane closure because remote sensors do not come in direct contact with the structure. The purpose of this paper is to evaluate 12 potential remote sensing technologies for assessing the bridge deck and superstructure condition. Each technology was rated for accuracy, commercial availability, cost of measurement, precollection preparation, complexity of analysis and interpretation, ease of data collection, stand-off distance, and traffic disruption. Results from this study demonstrate the capabilities of each technology and their ability to address bridge challenges. DOI: 10.1061/(ASCE)BE.1943-5592.0000303. (C) 2012 American Society of Civil Engineers.
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