OUTLINE OF DEFECT PREDICTION METHOD FOR SELF-LEVELING MATERIAL : Evaluation method about surface layer quality of concrete floor groundwork corresponding to defect in self-leveling material (Part 3)

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  • YOKOYAMA Yutaka
    Dept. of Architecture and Building Eng., Graduate School of Science and Eng., Tokyo Institute of Technology
  • KIM Doo Ho
    Graduate School, Tokyo Institute of Technology
  • YOKOI Takeshi
    Dept. of Architecture and Building Eng., School of Eng., Tokai University
  • CHOI Soo Kyung
    Dept. of Architectural Eng., Faculty of Eng., Hanseo Univ.

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Other Title
  • SL材の不具合の予測方法の枠組みの提示 : SL材の不具合からみたコンクリート床下地の表層部品質の評価方法(その3)
  • SLザイ ノ フグアイ ノ ヨソク ホウホウ ノ ワクグミ ノ テイジ SLザイ ノ フグアイ カラ ミタ コンクリート ユカ シタジ ノ ヒョウソウブ ヒンシツ ノ ヒョウカ ホウホウ ソノ 3

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Abstract

Relations between defects in self-leveling material and surface quality of concrete slab were experimentally examined. A defect occurrence situation was changed greatly by condition of slab surface. Then, situations were classified into three kinds, "No defect", "Separation" and "Crack". Moreover, it became clear that defect occurrence situation can be predicted by amount of surface moisture and volume of micro voids. Then, when cracks may be occur, amount of cracks can be predicted by surface strength. Those measurements can be easily done in actual construction sites. Therefore, this defect prediction method greatly contributes to performance gain of floors.

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