Title:
透過型砂防ダムおよびその構築方法
Document Type and Number:
Japanese Patent JP7227809
Kind Code:
B2
Abstract:
To provide a permeable erosion control dam with high workability by using members replacing steel members.SOLUTION: A permeable erosion control dam comprises: a bottom slab 10 integrated with an anchorage layer A in a ground directly or indirectly; a connection material 20 extending upwardly from the bottom slab 10; and a main body portion 30 comprising a plurality of precast concrete blocks 40 provided with through holes 41 into which the connection material 20 is inserted. Prestress is introduced into the main body portion 30 via the connection material 20. A permeation portion making an upstream side communicate with a downstream side is formed in the main body portion 30 by providing a margin when installing the plurality of precast concrete blocks 40.SELECTED DRAWING: Figure 1
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Inventors:
Takashi Yamane
Rikiya Murakami
Rikiya Murakami
Application Number:
JP2019052146A
Publication Date:
February 22, 2023
Filing Date:
March 20, 2019
Export Citation:
Assignee:
Far East Kowa Co., Ltd.
International Classes:
E02B7/02
Domestic Patent References:
| JP2016079700A | ||||
| JP5187010A | ||||
| JP2003239281A | ||||
| JP2009127280A |
Foreign References:
| WO2017149560A1 |
Attorney, Agent or Firm:
Sakuo Yamaguchi
Nobuyuki Oshima
Shinjiro Yamaguchi
Nobuyuki Oshima
Shinjiro Yamaguchi