Ice Accumulation Rate and the Geometry of Ice Jams in River Bends

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by Gilberto E. Urroz, (A.M.ASCE), Utah State Univ, Logan, United States,
Robert Ettema, (M.ASCE), Utah State Univ, Logan, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering:

Abstract: Experiments on development of ice jams in river bends were performed in a 2.60-m-wide bend flume with a sand bed and 5-mm-diameter plastic beads simulating ice particles. The ice particles were released into the bend flume from a holding area located upstream. The result of two experiments performed at different ice feed rates suggest that rate of ice accumulation plays a considerable role in determining ice geometry. With the same amount of ice involved, the jam formed through a unsteady rate of ice accumulation was thicker and shorter that was that accumulated at a steady rate. Jam thickness contours and jam profiles are presented and discussed.

Subject Headings: Rivers and streams | Channel bends | Ice jams | Geometrics | Flumes | Particles | Streamflow |

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