CAISSON STRUCTURE, CAISSON REVETMENT AND ITS CONSTRUCTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a caisson structure capable of receiving safely waste before the receiving zone is completely partitioned. SOLUTION: The caisson is provided with a bottom slab 11, external walls 12 erected from the vicinity of respective side edges of the bottom slab 11, and internal side walls 15 erected from the bottom slab 11 at the inside of the respective external side walls 12. The inside vacant space 14a surrounded by the internal side walls 15 is shaped as a waste storing space 14a in which waste is received.