Empirical Evaluation on Seepage of Fill-Dams Using Reservoir Water Level and Rainfall

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  • SODA Hideki
    独立行政法人水資源機構 総合技術センター ダムグループ
  • ISHIGURO Junji
    独立行政法人水資源機構 総合技術センター ダムグループ
  • OTAGAKI Koichiro
    独立行政法人水資源機構 利根導水総合事業所 工事課
  • KISHIDA Kiyoshi
    国立大学法人京都大学工学研究科都市社会工学専攻

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Other Title
  • フィルダム浸透量を定量的に評価するための貯水位と降雨の経験的評価
  • フィルダム シントウリョウ オ テイリョウテキ ニ ヒョウカ スル タメ ノ チョスイイ ト コウウ ノ ケイケンテキ ヒョウカ

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Abstract

<p>Seepage of fill dams fluctuate due to rainfall and reservoir water level. To determine the stability of a dam, it is general, comparing the seepage on the same reservoir water level and effect of rainfall is small. However, the method thereof, it is difficult to determine the safety during rainfall and after the rainfall. There is a problem that cannot be constantly monitored. The authors analyzed the seepage caused by rainfall and reservoir water level. As a result, authors showed the normal range of the seepage without effect of rainfall. Further, based on seepage data during rainfall, consider representative of the effects of rain by a simple empirical equation form, it was investigated a method that can continuously monitor the influence of rainfall. Using these results, an actual dam was monitored and confirmed to be suitable for safety evaluation of fill dam.</p>

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