Case studies of GPR surveys for the rehabilitation after the Great East Japan Earthquake 2011

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  • Takahashi Kazunori
    Center for Northeast Asian Studies, Tohoku University
  • Liu Hai
    Center for Northeast Asian Studies, Tohoku University Present affiliation: Institute of Electromagnetics and Acoustics, School of Physics and Mechanical & Electrical Engineering, Xiamen University
  • Koyama Christian N.
    Center for Northeast Asian Studies, Tohoku University
  • Komagino Tomohiro
    Center for Northeast Asian Studies, Tohoku University
  • Sato Motoyuki
    Center for Northeast Asian Studies, Tohoku University

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Other Title
  • 東日本大震災後の復興における地中レーダの活用事例
  • ヒガシニホン ダイシンサイ ゴ ノ フッコウ ニ オケル チチュウ レーダ ノ カツヨウ ジレイ

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Abstract

 There are many activities of post-disaster rehabilitation that can become more efficient by subsurface surveys using ground-penetrating radar (GPR). In the present paper, case studies of GPR survey for various activities, such as archeological surveys, near-surface exploration and search for lost articles by Tsunami, are shown. For archaeological surveys and bear-surface exploration, GPR survey can quickly and easily detect and locate object to be investigated, and it makes the following investigations with excavation more efficient. This is illustrated with the examples of archaeological surveys in Nobiru-Chikkou site (Higashimatsushima-town, Miyagi) and Kassenhara tomb cluster (Yamamoto-town, Miyagi) and a near-surface exploration in Iwaki-city, Fukushima. For the search operation of missing people and lost articles, it is demonstrated that GPR can contribute by detecting and locating buried object. Further, GPR systems used for these activities are presented.<br>

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