Design of Groins on the Middle Rio Grandeby Cassie C. Klumpp, US Bureau of Reclamation, Denver, United States,
Drew C. Baird, US Bureau of Reclamation, Denver, United States,
Document Type: Proceeding Paper
Part of: Hydraulic Engineering
The Albuquerque Projects Office of the Bureau of Reclamation wanted to use groins in place of revetments at two sites on the Rio Grande. The Bureau of Reclamation has limited experience with groins and hard points within their boundaries in the western United States. A long groin was used successfully on the Colorado River downstream of Davis Dam to protect a revetment during the large spring runoff of 1984. Two sites were proposed for groin fields: Santa Clara, located approximately 74 miles upstream of Albuquerque, New Mexico and Abeytas Heading, located 53 miles downstream of Albuquerque. A set of groins was designed at each site. River hydraulic data for each site were computed with a one-dimensional hydraulic model. Bed material data were analyzed at each site and used as input to scour equations to compute scour depths. Riprap size and quantities were estimated for each groin site.
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