| 摘要 |
PROBLEM TO BE SOLVED: To provide a cage frame for revetment which is capable of remarkably improving the durability, easily effecting the assembly and execution at site, easily creating an optimum environment where living things can inhabit, and being effectively used as a fish reef. SOLUTION: A hollow frame is formed by connecting a plurality of plane frames 11, 12 respectively having a plurality of openings 14, 15 to form a crushed stone filled space 13 in which crushed stones and regular stones are filled in the hollow frame. The plane frames 11, 12 are formed of a cast iron structure in which connection parts 22-27 are integratedly cast with a frame body 16, and the connection parts 22-27 are connected using connection pieces to form the hollow frame body.
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