ROCK ARMOUR OR RIPRAP Rock Armour or RIP RAP is an effective solution to protect coastlines and structures from erosion by the sea, rivers, or streams. Large boulders interlocked together to form rock revetments can be used to control erosion by armouring the beach face and dissipating wave energy. Rock Armour is also used to provide effective scour protection to underwater structures Rock Armour absorbs wave energy and reduce the power of the waves The rocks are piled up alo