Patent ID: 7425107

Claim:
A civil engineering structure intended for ensuring protection against impacts of moveable masses, said structure comprising a plurality of individual construction elements arranged to form a plurality of courses, each course including a plurality of said individual construction elements, each of said individual construction elements comprising: an outer metal cage having a front face exposed to the impacts of moveable masses and a back face opposite said front face, said front face corresponding to an exposed surface of said engineering structure and said back face corresponding to an interior of said engineering structure; first and second distinct interior volumes located within said metal cage, said first distinct interior volume being adjacent said front face, and said second distinct interior volume being adjacent said back face; loose materials provided in said first distinct interior volume, said loose materials being at least one of topsoil, sands, gravels, pebbles, rock blocks and crushed concrete; deformable materials having a capacity for being deformed elastoplastically provided in said second distinct interior volume, said deformable materials being at least one of shredded tires, pellets cut from tires, pieces of polystyrene, earthy materials, sands, gravels, pebbles or crushed recycled concretes, wherein the individual construction elements located within intermediate courses of said structure are capable of being replaced individually by a similar individual construction elements.