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Backwards Erosion Piping Testing

Published Nov. 21, 2016
The Dam Safety Modification Mandatory Center of Expertise (DSMMCX) senior geotechnical engineers Seth Lyle and Adam Kays travelled to The Engineer Research and Development Center's (ERDC) Geotechnical and Structures Laboratory to observe and participate in backwards erosion piping testing.

The Dam Safety Modification Mandatory Center of Expertise (DSMMCX) senior geotechnical engineers Seth Lyle and Adam Kays travelled to The Engineer Research and Development Center's (ERDC) Geotechnical and Structures Laboratory to observe and participate in backwards erosion piping testing.

The Dam Safety Modification Mandatory Center of Expertise (DSMMCX) senior geotechnical engineers Seth Lyle and Adam Kays travelled to The Engineer Research and Development Center's (ERDC) Geotechnical and Structures Laboratory to observe and participate in backwards erosion piping testing.  The sand, used from a quarry near Magnolia Levee, is the first natural material (not off-the-shelf) to undergo this type of testing at ERDC, and the results should inform risk estimates for the Magnolia Levee Issue Evaluation Study.  Researchers discussed the capabilities of a variety of testing equipment to investigate backwards erosion piping, including a new “2-D” flume.  Erica Medley, a geologist with the Huntington District Engineering and Construction Division arranged for and participated in the testing in conjunction with her ERDC-U developmental assignment.