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ANALYTICAL STUDY ON THE EXPANSION INDUCED BY ALKALI SILICA REACTION FOR RC MEMBERS — Naoshi Ueda (2007) | RDL Network
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ANALYTICAL STUDY ON THE EXPANSION INDUCED BY ALKALI SILICA REACTION FOR RC MEMBERS
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Hikaru Nakamura
Nagoya University
ANALYTICAL STUDY ON THE EXPANSION INDUCED BY ALKALI SILICA REACTION FOR RC MEMBERS
Article
2007
en
Authors
+1 more
NU
Naoshi Ueda
SS
Sumihiro Sawabe
Hikaru Nakamura
Nagoya University
Abstract
1 min read
損傷理論に基づきアルカリ骨材反応が生じたコンクリート部材の膨張予測を簡易に行うモデルの提案を行い,提案した膨張予測モデルを3次元有限要素解析に導入し,その適用性について検討した.その結果,一軸拘束供試体の解析において,鉄筋量が増えるほどASR膨張が抑制される挙動を精度よく評価できることを示した.また,多軸拘束供試体の解析においては,実験値との比較から配筋の相違が部材の膨張挙動に及ぼす影響を妥当に評価するとともに,鉄筋曲げ加工部においてひずみが局所化する挙動を解析的に明らかにした.本研究を通して,提案したモデルを用いることでアルカリ骨材反応によるRC部材の膨張挙動予測と損傷評価を行うことができる可能性を示した.
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