STUDY ON PERFORMANCE OF RUST-INHIBITING ADMIXTURES BY OUTDOOR EXPOSURE TEST OF SPECIMENS MODELING PATCH REPAIR PART OF RC STRUCTURE

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  • RC構造物の断面修復部を模擬した供試体の屋外暴露試験による防せい性混和材の性能に関する一考察
  • RC コウゾウブツ ノ ダンメン シュウフクブ オ モギ シタ キョウシタイ ノ オクガイ バクロ シケン ニ ヨル ボウセイ セイ コンワザイ ノ セイノウ ニ カンスル イチ コウサツ

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<p>This paper deals with the rust-inhibiting properties of patching materials containing chloride ion fixing admixture and nitrous acid type admixtures by the outdoor exposure of specimens modeling RC structure. As a result, the self potential of rebar differs from base and patch sides for the chloride ion fixing admixture. Such differences are considerably recognized for the nitrous acid type admixtures. Regardless of the self potential of the rebar, the corrosion of rebar is not recognized at the patch side. The macro-sell corrosion of the rebar is occurred in the base side, and increased with increase in the chloride ion content.</p>

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