WASTE DISPOSAL SITE

PROBLEM TO BE SOLVED: To provide a waste disposal site allowing easy confirmation of water cut property or repair, even when constructing the waste disposal site in water. SOLUTION: This waste disposal site is constructed by excavating water bottom 6, and comprises a cylindrically constructed continuous subterranean wall 1, a bottom plate 2 blocking a cylindrical part formed by the subterranean wall at its middle part, and a deep well 3 for discharging underground water below the bottom plate. The subterranean wall is constructed until its lower end part reaches a water hardly permeable layer 41. The deep well is laid out between the water hardly permeable layer and bottom plate. COPYRIGHT: (C)2005,JPO&NCIPI