Full metadata record
DC Field | Value | Language |
---|---|---|
dc.contributor.author | 배성철 | - |
dc.date.accessioned | 2018-03-13T09:08:43Z | - |
dc.date.available | 2018-03-13T09:08:43Z | - |
dc.date.issued | 2014-05 | - |
dc.identifier.citation | CEMENT AND CONCRETE RESEARCH, 권: 59, 페이지: 155-164 | en_US |
dc.identifier.issn | 0008-8846 | - |
dc.identifier.issn | 1873-3948 | - |
dc.identifier.uri | https://www.sciencedirect.com/science/article/pii/S0008884614000623?via%3Dihub | - |
dc.identifier.uri | http://hdl.handle.net/20.500.11754/46283 | - |
dc.description.abstract | The present study focuses on identification and micro-structural characterization of the hydration products formed in high-volume fly ash (HVFA)/portland cement (PC) systems using monochromatic scanning x-ray micro-diffraction (mu-SXRD) and SEM-EDS. Pastes with up to 80% fly ash replacement were studied. Phase maps for HVFA samples using mu-SXRD patterns prove that mu-SXRD is an effective method to identify and visualize the distribution of phases in the matrix. mu-SXRD and SEM-EDS analysis shows that the C-S-H formed in HVFA system containing 50% or more of fly ash has a similar structure as C-S-H(1) with comparatively lower Ca/Si ratio than the one produced in PC system. Moreover, coexistence of C-S-H(1) and stratlingite is observed in the system containing 80% of fly ash, confirming that the amount of alumina and silicate phases provided by the fly ash is a major factor for the formation of C-S-H(I) and stratlingite in HVFA system. (C) 2014 Elsevier Ltd. All rights reserved. | en_US |
dc.description.sponsorship | The authors thank Dr. Rae Taylor and Dr. Gabriel Jen for insightful comments. This research is funded by the Republic of Singapore's National Research Foundation through a grant to the Berkeley Education Alliance for Research in Singapore (BEARS) for the Singapore-Berkeley Building Efficiency and Sustainability in the Tropics (SinBerBEST) Program. BEARS has been established by the University of California, Berkeley as a center for intellectual excellence in research and education in Singapore. The NIST Grant No. 60NANB10D014 is also acknowledged. The Advanced Light Source is supported by the Director, Office of Science, Office of Basic Energy Sciences, Materials Sciences Division, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231 at Lawrence Berkeley National Laboratory and University of California, Berkeley. | en_US |
dc.language.iso | en | en_US |
dc.publisher | PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND | en_US |
dc.subject | High-volume fly ash | en_US |
dc.subject | Microstructure (B) | en_US |
dc.subject | C-S-H(I) | en_US |
dc.subject | Scanning transmission x-ray micro-diffraction | en_US |
dc.subject | Stratlingite | en_US |
dc.title | Characterization of morphology and hydration products of high-volume fly ash paste by monochromatic scanning x-ray micro-diffraction (mu-SXRD) | en_US |
dc.type | Article | en_US |
dc.relation.volume | 59 | - |
dc.identifier.doi | 10.1016/j.cemconres.2014.03.001 | - |
dc.relation.page | 155-164 | - |
dc.relation.journal | CEMENT AND CONCRETE RESEARCH | - |
dc.contributor.googleauthor | Bae, Sungchul | - |
dc.contributor.googleauthor | Meral, Cagla | - |
dc.contributor.googleauthor | Oh, Jae-eun | - |
dc.contributor.googleauthor | Moon, Juhyuk | - |
dc.contributor.googleauthor | Kunz, Martin | - |
dc.contributor.googleauthor | Monteiro, Paulo J. M. | - |
dc.relation.code | 2014026985 | - |
dc.sector.campus | S | - |
dc.sector.daehak | COLLEGE OF ENGINEERING[S] | - |
dc.sector.department | DEPARTMENT OF ARCHITECTURAL ENGINEERING | - |
dc.identifier.pid | sbae | - |
dc.identifier.orcid | http://orcid.org/0000-0002-8511-6939 | - |
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