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Title:
SAND REMOVAL METHOD AND SAND REMOVAL DEVICE OF RESERVOIR
Document Type and Number:
Japanese Patent JP2005226403
Kind Code:
A
Abstract:

To efficiently and inexpensively remove sand without being influenced by the weather.

This sand removal method removes deposited sediment 8 deposited in a reservoir 1 such as a dam lake. A sheet-like member 6 is laid on the water bottom 5 in the vicinity of a dam bank body 2, and a sediment transfer pipe 7 is connected to its sheet-like member 6 so as to open by facing the reverse surface side of the sheet-like member 6. While, the deposited sediment 8 of an optional place of the reservoir 1 is dredged, and its deposited sediment 8 is accumulated on the reverse surface side of the sheet-like member 6 via the sediment transfer pipe 7, and the deposited sediment 8 accumulated when discharging storage water of the reservoir 1, is discharged to the downstream side of the dam bank body 2 via the sediment transfer pipe 7.


Inventors:
NISHIMURA KEIICHI
Application Number:
JP2004038454A
Publication Date:
August 25, 2005
Filing Date:
February 16, 2004
Export Citation:
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Assignee:
ISHIKAWAJIMA HARIMA HEAVY IND
International Classes:
E02F3/88; E02B7/20; E02B8/02; (IPC1-7): E02B8/02; E02B7/20; E02F3/88
Attorney, Agent or Firm:
Nobuo Kinutani



 
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