Title: Preparation of Reactive Powder Concrete with High Fluidity
Abstract: Slump test was used to investigate the effect of superplasticizer,water-binder ratio,cement-fly ash proportion and silica fume-quartz powder proportion on the flow properties of reactive powder concrete(RPC).And the influences of those factors on compressive and flexural strengths were also studied.The test results show that RPC has a slump more than 255 mm which shows self-compacting property can be obtained with 0.8%~1.0% of polycarboxylic-based superplasticizer in the binder mass.They have very high fluidity,anti-segregation ability and the ability of getting through gaps between steel bars.Their compressive and flexural strength are more than 105 MPa and 15 MPa respectively when they are cured under normal condition for(28 d.)
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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