東日本大震災時に地盤沈下を受けた沿岸域復旧のためのジオシンセティックス適用の可能性

概要

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We explored the potential of employing geosynthetics for the restoration of the coastal area in Tohoku where tectonic movement during the 2011.3.11 Great East Japan Earthquake caused large land subsidence. Based on the preliminary investigation, we have found that: i) The flexible structures reinforced with geosynthetics are available not only for urgent remediation but also as permanent countermeasures against inundation increased by climate change-induced storm surges. ii) The long-term monitoring of ground surface movement and sea-level rise is essential for determining what kinds of adaptive measure is most suitable at the objective site and when they should be taken in order to avoid inundation.
国際ジオシンセティックス学会日本支部の論文