Development of Super-Workable Concrete with Viscosity Agent for Reconstruction of Jetty Structures Destroyed by the Hanshin Great Earthquake

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Title: Development of Super-Workable Concrete with Viscosity Agent for Reconstruction of Jetty Structures Destroyed by the Hanshin Great Earthquake

Author(s): T. Fukute, H. Hamada, SK. Sano, E. Sueoka, A. Moriwake and H. Takeuchi

Publication: Special Publication

Volume: 171

Issue:

Appears on pages(s): 339-366

Keywords: Blast furnace slag; concretes; gypsum; jetties; viscosity.

Date: 8/1/1997

Abstract:
Jetty structures were constructed at Kobe Port as part of the reconstruction project after Hanshin Great Earthquake in 1995. In this jetty structure, straight and oblique base piles were jointed with a precast slab in the field to shorten the work period. This paper presents the results of experiments carried out in a laboratory, the full scale filling test using a super workable concrete applied to the joints of structure, and the concrete quality. Super workable concrete containing a viscosity agent, gypsum, and ground granulated blast-furnace slag was used to satisfy the requirements for its high filling ability, minimized bleeding, and reduced shrinkage. Super workable concrete was produced and placed from a concrete plant ship in this construction.