愛知県・岐阜県における近自然河川工法の施工事例にみる問題点

Material type: 文書・図像類

Author: 三浦, 永美子ほか

Publisher: 愛知工業大学

Publication date: 2004-03-31

Material Format: Digital

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Note (General)：: In Japan many attempts have been undertaken in the last decade to restore rivers to natural ones, which are called "Kinshizen-kasenkoho" (nature-orien...

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Material Type: 文書・図像類
Title: 愛知県・岐阜県における近自然河川工法の施工事例にみる問題点
Author/Editor: 三浦, 永美子
内田, 臣一
Author Heading: 三浦, 永美子
内田, 臣一
Publication, Distribution, etc.: 愛知工業大学
Publication Date: 2004-03-31
Publication Date (W3CDTF): 2004-03-31
Alternative Title: Problems in the practices of river restoration in Aichi and Gifu prefectures, Honshu, Japan
Periodical title: 愛知工業大学研究報告. B, 専門関係論文集 = Bulletin of Aichi Institute of Technology. Part B
No. or year of volume/issue: 39
Volume: 39
Pages: 77-84
ISSN (Periodical Title): ISSN : 0387-0812
Text Language Code: jpn
Target Audience: 一般
Note (General): In Japan many attempts have been undertaken in the last decade to restore rivers to natural ones, which are called "Kinshizen-kasenkoho" (nature-oriented river construction, derived from the German word "Naturnaher Wasserbau"). We analyzed reports on the problems in the practices of such river restoration in Aichi and Gifu prefectures, Honshu, Japan. Some practices were evaluated in this study, and were added to the analysis. Many problems are found in the cover soil on concrete blocks, gabions, etc. The soil was sometimes washed out by flood. Many problems are also found in concrete blocks and gabions themselves. They are frequently inadequate to serve the substrata for plants, in case the river bank was revetted too massively, even if the blocks were hollowed out for the establishment of vegetation. Boulders for the habitat of fishes and other animals were sometimes washed away by flood. Contrary, hollows of concrete blocks for fish habitat were stuffed by sediment after flood in many cases. These cases suggest that wrong material was often adopted for the river restoration in this region. The hydraulic stress during flood had probably been underestimated in case the soil and boulders were washed out, or, on the other hand, overestimated when the revetment was inadequate for vegetation and the sediment deposited into the hollowed blocks. Material and other details of river restoration should be adopted after careful observation of geomorphology with appropriate estimate of hydraulic stress.
identifier:http://repository.aitech.ac.jp/dspace/handle/11133/1222
Access Restrictions: 限定公開
Periodical Title (NCID): AN00007801
https://ci.nii.ac.jp/ncid/AN00007801
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 愛知工業大学 : 愛知工業大学学術情報リポジトリ