Title:
山腹保全資材
Document Type and Number:
Japanese Patent JP7389470
Kind Code:
B2
Abstract:
To provide a sediment dam body which further develops excellent performance of a conventional sediment dam body, and further improves construction and environmental conservation.SOLUTION: A mountainside conservation material 1, which post-fills a mountainside with sediment flowed into inside thereof as a contaminant and dams the sediment on an outer surface on the upstream side and can drain water flowed into inside thereof, has a spiral wire net structure body part 1A having internal spaces 4A and 4B which are composed of a net member 2 wound in a spiral shape while having a plurality of layers and are formed in a spiral shape along a circumferential direction from the center of winding, and a plurality of pre-fillers 3 which are made to previously fill the internal spaces 4A and 4B and have a coil shape, in which the plurality of pre-fillers 3 have such a volume as to secure a filling space of a post-filler that is filled later with respect to the capacities of the internal spaces 4A and 4B and are arranged in a central axis direction of the center of winding.SELECTED DRAWING: Figure 2
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Inventors:
Yoshifusa Ishimori
Hiroaki Okabe
Hiroaki Okabe
Application Number:
JP2020000003A
Publication Date:
November 30, 2023
Filing Date:
January 01, 2020
Export Citation:
Assignee:
Pulpulse Co., Ltd.
International Classes:
E02B7/02; E02D17/20
Domestic Patent References:
| JP2015143468A | ||||
| JP54024903U | ||||
| JP60212522A | ||||
| JP2001098556A | ||||
| JP2002360061A | ||||
| JP2001140239A | ||||
| JP11181779A | ||||
| JP2002004292A |
Attorney, Agent or Firm:
Toshio Kobayashi