Device helps ensure efficacy of New Orleans levees.(Update)(Brief article)

From: Resource: Engineering & Technology for a SustainableWorld | Date: December 1, 2006 | Copyright information

A device developed by the Agricultural Research Service (ARS) that tests how well soil resists being eroded by water is helping ensure the efficacy of levees around New Orleans.

The Jet Test Apparatus, designed by ASABE member Gregory Hanson, research leader at the ARS Hydraulic Engineering Research Unit, Stillwater, Okla., uses a water jet pumping at various flow rates to give a rapid determination of the erodibility of soil used in structures like levees.

[ILLUSTRATION OMITTED]

While the device was originally designed to help evaluate the potential for soil erosion ...

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