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Kim, Jae Hong
Research Group for Concrete Structures and Materials
Research Interests
  • Mechanics of Concrete, Rheology, Structural Analysis, Construction Performance
  • Rheological investigation for the flow of fresh concrete
  • Multiscale material characterization of suspension

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Quantitative measurement of the external and internal bleeding of conventional concrete and SCC

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Title
Quantitative measurement of the external and internal bleeding of conventional concrete and SCC
Author
Kim, Jae HongYim, Hong JaeKwon, Seung Hee
Issue Date
2014-11
Publisher
ELSEVIER SCI LTD
Citation
CEMENT & CONCRETE COMPOSITES, v.54, pp.34 - 39
Abstract
This study focuses on features and conditions of external and internal bleeding of fresh concrete and SCC for use in quality evaluation. To measure the amount of water expelled as a result of external bleeding and the settling of solid particles in a prepared concrete mixture which has not set, a self-weight consolidation approach was performed. Internal bleeding was then evaluated based on the proposed methodology, in which the quantitative measurement of internal bleed water is the first and most significant task for evaluating the effect on bonding failure. This study also illustrated that tendency by presenting bleeding measurements for a variety of ordinary concretes as well as SCC. The effects of chemical and mineral admixtures were observed. Furthermore, potential bleeding was discussed based on the permeability tests of paste samples.
URI
https://scholarworks.unist.ac.kr/handle/201301/5047
URL
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84908567971
DOI
10.1016/j.cemconcomp.2014.05.006
ISSN
0958-9465
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