Riprap design for wind-wave attack (IT 213)

This report describes retrospective tests made of test riprap panels laid on the Wash trial bank. The model results are in substantial agreement with the field measured damage, and do not indicate a Reynolds scale
effect. An extension of earlier tests at HRS on "Riprap design for windwave attack” confirms the finding of that report that no allowance can be recommended when transforming from small scale model tests to full scale. The results from identical repeat tests show a significant inherent variableness in the damage parameter.