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Initial binding capacties of chloride ion of components in high-performance concrete
Ma B.1; Li Z.2; Peng J.2
1998-12-01
Source PublicationJournal Wuhan University of Technology, Materials Science Edition
ISSN10002413
Volume13Issue:4Pages:16-24
AbstractAn investigation is reported on the influence of different components of high performance concrete (HPC) on the initial binding capacities (IBC) of chloride ion. The testing results demonstrate that cement has the largest IBC, and the relative binding ratio is as high as 30% of total ion amount. Among the mineral admixtures, fly ash has the largest IBC of chloride ion. The IBC of silica fume is about 14. 4%, which is smaller than that of fly ash. The IBC of refined ground blast-furnace slag (microslag) is abnormal due to the influence of sulfate ion contained. The addition of superplasticizer and corrosion inhibitor containing calcium nitrite weakens the IBC of mixtures. The fluidity and pore-filling effect of mineral admixtures are studied with paste samples with W/C ratio of 0. 3. The influence mechanism of various components in high-performance concrete in IBC is studied further through SEM and Mercury Instrusion Porosimetry tests with paste samples at the age of 3 days.
KeywordCorrosion inhibitor High-performance concrete Initial binding capacity Permeability Superplasticizer
URLView the original
Language英語
Fulltext Access
Document TypeJournal article
CollectionUniversity of Macau
Affiliation1.Wuhan University of Technology
2.Hong Kong University of Science and Technology
Recommended Citation
GB/T 7714
Ma B.,Li Z.,Peng J.. Initial binding capacties of chloride ion of components in high-performance concrete[J]. Journal Wuhan University of Technology, Materials Science Edition,1998,13(4):16-24.
APA Ma B.,Li Z.,&Peng J..(1998).Initial binding capacties of chloride ion of components in high-performance concrete.Journal Wuhan University of Technology, Materials Science Edition,13(4),16-24.
MLA Ma B.,et al."Initial binding capacties of chloride ion of components in high-performance concrete".Journal Wuhan University of Technology, Materials Science Edition 13.4(1998):16-24.
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