AIJ Journal of Technology and Design
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
EXPERIMENTAL STUDY ON MIXING AND PROPERTIES OF ULTRA HIGH STRENGTH CONCRETE ON THE PLANT(Materials and Construction)
Kazutoshi FUJIIHiroyasu NARUSEKazuhiro WATANABEKazuhisa MINOHirokazu NAKASETorao KEMI
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2004 Volume 10 Issue 19 Pages 1-4

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Abstract
Ultra high strength concrete with silica fume was manufactured in a normal ready-mixed concrete plant. Properties of fresh ultra high strength concrete including minimum power load of mixer at discharge, slump flow and 50-cm flowing time were measured and discussed in terms of water-cement ratio, dosage of superplasticizer and mixed-up temperatures. It was proven to be possible for conventional ready-mixed plants to manufacture an ultra high strength concrete with favorable early-age properties up to 120 minutes after mixing.
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© 2004 Architectural Institute of Japan
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