FLEXURAL BEHAVIOR OF PRE-CAST RC SLAB BY MEANS OF PC BINDING POST-TENSIONING

DOI Web Site 3 References Open Access
  • IGATA Tomohiko
    KUMAMOTO UNIVERSITY, Graduate School of Science and Technology（2-39-1, Kurokami, Chuo-ku, Kumamoto-shi, Kumamoto 860-8555, Japan）
  • MURAKAMI Kiyoshi
    KUMAMOTO UNIVERSITY, Graduate School of Science and Technology（2-39-1, Kurokami, Chuo-ku, Kumamoto-shi, Kumamoto 860-8555, Japan）
  • TAKEDA Koji
    KUMAMOTO UNIVERSITY, Graduate School of Science and Technology（2-39-1, Kurokami, Chuo-ku, Kumamoto-shi, Kumamoto 860-8555, Japan）
  • MATSUDA Manabu
    YAMAX CORPORATION, Department of Research and Development（3-9-5, Suizenji, Chuo-ku, Kumamoto-shi, Kumamoto 862-0950, Japan）

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Other Title
  • PC圧着工法によるプレキャストRCスラブの曲げ性状

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<p>In this study, in order to verify the structural performance of a pre-cast RC slab by means of PC binding post-tensioning experimental and analytical investigations were conducted regarding the flexural behavior of a RC slab specimen with a crimp-style connecting joint using unbonded prestressing bars compared with one by the existing construction. As a result, it was confirmed that the unbonded prestressed pre-cast RC slab is superior in cracking resistance and damage control effects compared with the existing one because of a large increase in the flexural cracking load and a large decrease in the residual displacement, and a safety calculation of ultimate strength in flexure based on the flexural analysis substituting axial compressive force for effective prestress can be provided against the experimental result.</p>

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