... PROTECTION FLOODS MECHANISMS REMOVAL GRANULAR MATERIALS WATER MODIFICATION BARS WALLS PRECAST TESTS FLUMES LABORATORIES SPLITTING PERSPEX DOWNSTREAM STEPS VORTEX VORTICES BAKER AND BESSAIH Fig. 4 . Modification of the cell by the addition of a bar and the resultingchange in flow pattern...

... methodology are conditions. In addition, the stepped surface has highlighted byreferenceto laboratory UK.studies carried out in Russia and the S e v e n d a m sin Russia have been built with spillways using this technology, some of which have been in service for over 14 years, and experience gained...