Report of Placing Concrete reducted Rock Pocket and Cold Joint in S. R. C. Building with Large Scale Floor Hight

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  • Miyashita A.
    郵政大臣官房建築部施工課
  • Ueda M.
    戸田建設(株)名古屋支店建築部工事課
  • Inagaki H.
    戸田建設(株)名古屋支店建築部技術課
  • Watabe Y.
    戸田建設(株)名古屋支店建築部工事課

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Other Title
  • 階高の大きいSRC建物における豆板・コールドジョイント防止工法施工例
  • -Construction of Nagoya Maild Sorting Office-
  • -名古屋郵便集中局の建設-

Abstract

In case of working of S. R. C. building that have 43 000 m2 total floor area and 9 meters floor hight, we adhered to the basic concrete work and have been able to prevent cold joint and rock pocket. To achieve concrete works, we evolved Q. C. circle activity and used tremie pipe chute and particular vibrater. The out line of this report are these works which could prevent cold joint and rock pocket.

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