Infrasense recently evaluated the condition of 14 interstate bridge decks in Wisconsin. The deck evaluations utilized a combination of infrared thermography with hammer sounding as a supplemental validation tool.
MADISON, Wis., July 26, 2022 /PRNewswire-PRWeb/ -- Infrasense recently evaluated the condition of 14 interstate bridge decks located in Wisconsin. The deck evaluations were carried out utilizing vehicle-based infrared thermography and hammer sounding to identify and delineate areas of delamination on the bridge decks. With the assistance of traffic control, the field crew was able to traverse the bridge and view the live feed of infrared data to identify local "hot-spots" and then validate these areas by performing hammer sounding. These tests produce a hollow sound if a delamination exists and were used to aid in the analysis of the infrared data. A minimum of three hammer sounding locations are performed on each bridge deck to confirm the infrared data, and, in almost all cases, the infrared and hammer sounding agree.
Following the field surveys, the data is transferred to Infrasense's headquarters in Woburn, Massachusetts for quality assurance (QA) review, analysis, and reporting. The analysis is completed with the support of internally developed proprietary software. The software is specifically catered to the analysis of infrared and visual data for bridge deck and pavement applications. For the Wisconsin bridge deck evaluations, the analysis resulted in quantities and maps of concrete delamination, patching, and spalling. These results are delivered in a comprehensive report with descriptions of the data collection procedures, equipment, analysis methods, and results obtained.
Over the past 12 months, Infrasense evaluated the condition of over 1100 bridge decks including nondestructive testing of decks in Connecticut, Delaware, Georgia, Illinois, Indiana, Massachusetts, Montana, New York, Pennsylvania, Rhode Island, Virginia, and Wisconsin. Infrasense methods have addressed a variety of bridge structure types, including asphalt, concrete, and epoxy overlays, stay-in-place forms, slab on girders, one-way slabs, and box girders. We have handled structures ranging in size from small 20-foot long stream crossings to major river crossings and viaducts up to 3 miles in length.
About Infrasense, Inc.
Since 1987, Infrasense, Inc. has applied advanced technologies to address the most difficult challenges in subsurface scanning. Infrasense engineers extract critical information using non-destructive methods from a diverse range of structures. In addition to providing ongoing subsurface evaluation services to clients across the country, the firm has also conducted numerous research programs to advance the field of subsurface detection and nondestructive evaluation. To learn more about Infrasense and the services we provide, visit our website:
http://www.infrasense.com
Media Contact
Lori McCormick, Infrasense, 781.281.1686, [email protected]
SOURCE Infrasense
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