GRC打込み型枠による鉄筋コンクリートはりの構造特性に関する実験的研究 : その2 負荷の下でのGRC打込み型枠の付着剥離性状

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タイトル別名
  • EXPERIMENTAL STUDY ON STRUCTURAL CHARACTERISTICS OF REINFORCED CONCRETE BEAM WITH GRC PERMANENT FORM : Part 2 Debonding behavior of GRC permanent form under loading
  • GRC ウチコミ カタワク ニヨル テッキン コンクリート ハリ ノ コウゾウ

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In this study, for purposes of clarifying the debonding behavior of glass fiber reinforced cement (GRC) permanent form in almost full-scale reinforced concrete beams, non-destructive inspection of the beams was conducted using a separation diagnostic device for tile mortar. The results showed that almost no spread of the separation was detected by the device until yielding load was reached, and that after the yielding a part of the GRC form which was completely separated form the cast-in-place concrete was formed around the cracks generated in the pure bending section between loading points, and the separation, making the part as its core, spread gradually over the neighboring areas. In addition, the validity of the above results obtained by the non-destructive inspection was verified by the outcome of visual observation of core samplings and surface bonding strength tests.

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