Title:
DREDGING METHOD
Document Type and Number:
Japanese Patent JP2016118076
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for performing dredging without damaging shielding films of grab bucket surrounding frames when the grab dredging is performed.SOLUTION: A dredging method is characterized as follows: skeleton frames are provided inside the shielding films of grab bucket surrounding frames by the standard frames of framework scaffolding and/or wedge scaffolding; a negative pressure is prevented from occurring inside the grab bucket surrounding frames, when grabbing sediment from the bottom and pulling it up by the grab bucket; and thereby the shielding films of the grab bucket surrounding frame are prevented from being drawn inside, and the shielding films are prevented from being broken off and being damaged.SELECTED DRAWING: Figure 9
Inventors:
HATANO HITOSHI
Application Number:
JP2014259290A
Publication Date:
June 30, 2016
Filing Date:
December 22, 2014
Export Citation:
Assignee:
NIPPON SOLID CO LTD
International Classes:
E02F3/88
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