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RESTORATION AND INVESTIGATION OF ROAD EMBANKMENT DAMEGED BY NOTO HANTO EARTHQUAKE IN 2007
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- KUBO Tetsuya
- 前田工繊株式会社 技術部
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- YOKOTA Yoshihiro
- 前田工繊株式会社 技術部
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- Tsuji Shinnichiro
- 前田工繊株式会社 技術部
Bibliographic Information
- Other Title
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- 能登半島地震による道路盛土の被災状況調査と復旧
- ノト ハントウ ジシン ニ ヨル ドウロ モリド ノ ヒサイ ジョウキョウ チョウサ ト フッキュウ
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Description
Several high embankments in the Noto toll road were collapsed due to the Noto Hanto Earthquake in 2007. We investigated the geogrid reinforced embankment located in Ishikawa Pref. and Toyama Pref. after occurring the earthquake. Since the geogrid reinforced embankments were undamaged, it was verified that the geogrid reinforced embankment has high quake resistance. The collapsed embankments in the Noto toll road are restored by the geogrid reinforced embankment. To restore the embankments promptly, we used the large size sandbag as the wall surface of reinforced embankment. This paper repots the investigation of the state of the geogrid reinforced embankment and the method of restoration of the collapsed embankments in the Noto toll road.
Journal
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- Geosynthetics Engineering Journal
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Geosynthetics Engineering Journal 22 199-206, 2007
Japan Chapter of International Geosynthetics Society