BDI specializes in providing NDE investigation and subsequent bridge deck condition analysis and monitoring of components to owners such that they can better manage their assets. Particularly with reinforced concrete, BDI has implemented a multi-technology approach to inspection that provides the owner with data that can be utilized to determine the life cycle of the structure and appropriate times for maintenance, preservation, and repair or replacement. This multi-technology approach includes high speed ground penetrating radar (GPR) scanning, infrared thermography (IR), and high-resolution video (HRV), along with BDI’s deck acoustic response (SounDAR) system for mobile deck testing and electrochemical testing to determine corrosion probabilities. IR/HRI can also be provided via unmanned aerial vehicle/drone when needed or appropriate.
BRIDGE DECK EVALUATION
DATA IS TYPICALLY ANALYZED TO REPORT THE FOLLOWING:
Each of the above bridge deck condition analysis and monitoring technologies complements each other by providing validation for the other while also providing information about different cycles of the degradation process of reinforced concrete. When applied specifically to bridge decks and other reinforced concrete elements, this multi-technology approach can be utilized to assist the owner in developing an asset management program to properly utilize funding for improved preservation activities.
BDI has performed this multi-technology bridge deck condition analysis and monitoring approach on over 20 million-square-feet of bridge deck in over 20 states as well as on USACE dams and other RC structures. The results provided to the owners are actionable, not just vast amounts of unusable data. Measurements from multiple technology sources are fused to identify probabilistic areas for repair and/or future focus. This methodology allows for a data-driven approach to asset management as degradation of key assets can be predicted and subsequently, a preservation plan can be put into action.
Deck Acoustic Response (DAR) System
Identify delaminations and other defects in bridge decks and other concrete structures with automated acoustic testing. Refined models built on considerable validation data power the high-speed analytics behind the defect mappings that SounDAR produces, ensuring accurate repair estimates and fast turnaround in reporting.
Multi-technology to bridge deck NDE
Aerial imaging by UAV, high-speed vehicle-based NDE scanning, and traditional testing methods strategically combined to deliver quantitative information for improved asset management.
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