Static Analysis on Senbon Dam Seismic Reinforcement by Post-tensioned Anchor

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  • 堤体PSアンカーによる千本ダムの耐震補強に関する静的解析
  • テイタイ PS アンカー ニ ヨル センボン ダム ノ タイシン ホキョウ ニ カンスル セイテキ カイセキ

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Abstract

<p>In the Senbon Dam, the PS anchors have been reinforced to satisfy the stability of seismic resistance against static seismic forces. Based on the case study of reinforcement by PS anchors in Senbon Dam using FEM analysis, the effects of rock stiffness, anchoring method, fixing position, and dam height were analyzed on the stresses that occur in the dam. As a result, the normal stress at the bottom of the dam tends to be tensile at the upstream end if the rock stiffness is large, but there is little influence on the fixing position or anchor type. It was also confirmed that the large dam height would make it difficult to cause tension.</p>

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