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Open Access Publications from the University of California

Experimental evaluation of rock erosion in spillway channels

  • Author(s): George, MF
  • Sitar, N
  • Sklar, L
  • et al.

Copyright 2015 ARMA, American Rock Mechanics Association. A series of flume experiments was performed as a part of a comprehensive study of rock erosion in spillway channels. The flume provided a controlled environment in which different flow rates and block configurations could be examined. The results of the experiments suggest that there is a strong influence of block orientation with respect to flow direction on the block erodibility threshold. Similarly, increasing flow turbulence intensity and/or increasing block protrusion height were also found to significantly lower the block erodibility threshold.

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