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Title: DETERMINING EROSION RESISTANCE OF COHESIVE MATERIALS

Author
item Hanson, Gregory
item Cook, Kevin
item Simon, Andrew

Submitted to: American Society of Civil Engineers Water Resources Conference Proceedings
Publication Type: Proceedings
Publication Acceptance Date: 12/1/1999
Publication Date: 8/1/2999
Citation: Hanson, G.J., Cook, K.R., Simon, A. 1999. Determining erosion resistance of cohesive materials. American Society of Civil Engineers Water Resources Conference Proceedings, August 1999, Seattle, WA.

Interpretive Summary: The erosion resistance of earthen materials impacts the performance of bridges, culverts, earthen spillways, road embankments, levees, and earthen dams. Erosion resistance of earthen materials also impacts river morphology and the restoration and management of a river system. Measurement of the erosion resistance of earthen materials is therefore vital in designing structures and restoring and managing river systems. This paper provides a compilation of research on erosion of cohesive soils conducted at the Agricultural Research Service's Plant Science and Water Conservation Research Laboratory. Open channel tests, and streambed tests of cohesive materials, as well as a description of a submerged jet-testing apparatus are included. These studies point out the importance of measuring soil erodibility and the viability of using a submerged jet testing apparatus for this purpose.

Technical Abstract: The erosion resistance of earthen materials impacts the performance of bridges, culverts, earthen spillways, road embankments, levees, and earthen dams. Erosion resistance of earthen materials also impacts river morphology and the restoration and management of river systems. Measurement of the erosion resistance of earthen materials is therefore vital in designing structures and restoring and managing river systems. This paper provides a compilation of research on erosion of cohesive soils conducted at the Agricultural Research Service's Plant Science and Water Conservation Research Laboratory. Open channel and streambed testing of cohesive soil materials as well as a description of a submerged jet-testing apparatus are included. The jet testing apparatus has been developed for characterizing soil erodibility in the laboratory and in the field. These studies point out the importance of measuring soil erodibility and the viability of using ga submerged jet testing apparatus.