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Title:
【発明の名称】覆砂函及び該覆砂函を使用する埋立工法
Document Type and Number:
Japanese Patent JP3365647
Kind Code:
B2
Abstract:
PURPOSE:To prevent the pollution of the sea bottom at sea farming site remains, dispose ground wastes in an inner bay or the inner sea having a large depth, and activate the sea area. CONSTITUTION:An iron box 1 having stanchions buryable in the sea bottom can be freely lifted or lowered by lifting devices provided on the stanchions, the box 1 is provided with one or two bottom floor faces 7 horizontally opened or closed in one direction or back and forth, and buoyancy adjusting air tanks 6 are provided on side faces of the box 1. The bottom frame of the box 1 is made of a thick iron plate, steel stanchions 2-5 are erected at a fixed interval, the cover sand box 1 is movably erected by the stanchions 2-5 in the sea area surrounded by sheet-like protectors and concrete wall plates, the lower face of the cover sand box 1 is horizontally opened to discard wastes, and cover sand is covered on the wastes to the thickness of 1.5 (m) or above.

Inventors:
Motoo Fujii
Application Number:
JP2754693A
Publication Date:
January 14, 2003
Filing Date:
January 22, 1993
Export Citation:
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Assignee:
Kojima Corporation
International Classes:
B09B1/00; E02B3/18; (IPC1-7): E02B3/18; B09B1/00
Domestic Patent References:
JP52124686A
JP56124590U
JP5737727B2
Attorney, Agent or Firm:
Kazutaka Mizuta