Concrete Floor Moisture Testing – Relative Humidity Probes per ASTM F2170

The following short video, prepared by KTA-Tator, Inc., describes the process for determining relative humidity in concrete according to the ASTM F2170 test method.

View the Video

Damage Assessment, Characterization and Modeling for Enhanced Design of Concrete Bridge Decks in Cold Regions

Concrete bridge decks in cold regions degrade quickly under fatigue and freeze-thaw cycles.  Researchers studied changes in the mechanical properties for concrete and under these stresses. They used modern theories of damage mechanics with a rate independent approach to model fatigue loading and freeze-thaw cycles and evaluated various functions to predict the mechanical properties of concrete as the number of cyclic loading as well as freeze-thaw cycles increased. The results of the model compared favorably to available experimental data.  The model allows advanced engineering analysis to be carried out by design engineers developing safe and reliable concrete structures such as bridge decks.

The North Dakota State University at Fargo has completed the above investigation.

Read the Full Report (.pdf)

Concrete Bridge Deck Deterioration

The MWBPP Working Group “Deterioration Modeling” has identified the report “Deterioration Rates of Minnesota Concrete Bridge Decks” as a deliverable product of related information.

Read the Minnesota Bridge Deck Report (.pdf)

Condition Evaluation of Bridge Decks using Ground-penetrating Radar & Infrared Thermography

The Michigan Department of Transportation (MDOT) recently sponsored a research project to evaluate the condition of 57 bridge decks in the Department’s Southwest Region and an additional 11 bridge decks, mainly in the Detroit area.  The following three project (.pdf files) documents are available for downloading:

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