PURPOSE: To reduce cost by a method wherein wave dissipation/foot protection blocks or the like are installed for foot protection on the front of a gentle-sloped revetment and filling for the revetment main body and after artrificial stones are laid on the blocks or the like, artificial rocks are laid further thereon. CONSTITUTION: After wave dissipation/foot protection blocks 12 of an existing revetment 10 are removed temporarily, the blocks are installed again as foot protection 14a on the front of a gentle-sloped revetment and filling 14b for the main body of the revetment. After leveling materials 16 made from natural or artificial stones are thrown onto the upper layer of the wave dissipation/foot protection blocks 12, cover leveling is made so that a specified degree of gentle slope can be achieved while subsidence is prevented. Then, artificial rocks 18 are laid and fixed in appropriate upper positions on the leveling materials 16, and furthermore, artificial soil 18 is embedded into the artificial rocks and salt-resistant plants 20 are planted.
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