Özet
An experimental program which aimed at investigating the behavior of SCC containing Class F fly ash has been carried out. The fresh state properties of the concrete were assessed using methods of segregation and flow. The rheology of the paste matrix was also characterized and compared with a previously developed paste rheology model. In addition, compressive strength, chloride permeability, and mold-finish were evaluated The results indicate that it is possible to develop a SCC containing Class F fly ash that is high performing in its fresh state. Furthermore, the addition of fly ash was shown to reduce superplasticizer dosage, increase workability, and increase overall chloride permeability resistance. In addition, it was determined that the difference of densities between the aggregate and matrix influence the results of a previously developed paste rheology model.
| Orijinal dil | İngilizce |
|---|---|
| Ana bilgisayar yayını başlığı | Workability of SCC |
| Ana bilgisayar yayını alt yazısı | Roles of Its Constituents and Measurement Techniques |
| Editörler | Caijun Shi, Kamal H. Khayat |
| Yayınlayan | American Concrete Institute |
| Sayfalar | 45-63 |
| Sayfa sayısı | 19 |
| ISBN (Elektronik) | 9780870312007 |
| Yayın durumu | Yayınlandı - 9 Mar 2006 |
| Etkinlik | Workability of SCC: Roles of Its Constituents and Measurement Techniques 2005 - Held at the ACI Spring 2005 Convention - New York, United States Süre: 17 Nis 2005 → 20 Nis 2005 |
Yayın serisi
| Adı | American Concrete Institute, ACI Special Publication |
|---|---|
| Hacim | SP-233 |
| ISSN (Basılı) | 0193-2527 |
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| ???event.eventtypes.event.conference??? | Workability of SCC: Roles of Its Constituents and Measurement Techniques 2005 - Held at the ACI Spring 2005 Convention |
|---|---|
| Ülke/Bölge | United States |
| Şehir | New York |
| Periyot | 17/04/05 → 20/04/05 |
Bibliyografik not
Publisher Copyright:© 2006 American Concrete Institute. All rights reserved.
Finansman
Raissa P. Douglas is a graduate student at the Center for Advanced Cement-Based Materials at Northwestern University, Evanston, Il. She received her MS in civil engineering from Northwestern University and her BS in civil engineering from Howard University. She is a past recipient of an ACI Student Fellowship and a PCA Research Fellowship. Her research interests include self-consolidating concrete, rheology, and formwork pressure. Financial support for this project was obtained from the Portland Cement Association and Illinois Clean Coal Institute. The fly ash was obtained from Dynegy Energy.
| Finansörler |
|---|
| Dynegy Energy |
| Portland Cement Association and Illinois Clean Coal Institute |
| Division of Advanced Cyberinfrastructure |
Parmak izi
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