Abstract: A new design philosophy for granular bed protection is given; this is referred to as the “critical scour” method. Critical scour is defined as the scour that is admissible for protection of a granular bed during its lifetime. ...

Abstract: Field surveys and experiments in two tilting flumes on hyperconcentrated sand‐water‐mixture (swm) flows were conducted. This paper is limited to supercritical flows over a flat bed. It is shown that an equilibrium slope ...