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Title: Bending Fatigue Strength of Roller- Compacted Concrete with Fly Ash as a Substitute for Fine Aggregate

Author(s): E. Matsuo, K. Hino, and S. Hamada

Publication: Symposium Paper

Volume: 242


Appears on pages(s): 23-36

Keywords: bending strength; fatigue; fly ash; roller compacted concrete.

DOI: 10.14359/18702

Date: 4/1/2007

In Japan, sea sand is used frequently as fine aggregate for concrete. The mining of sea sand has been more difficult year by year for environmental reasons. This would be a serious problem in manufacturing concrete. The amount of fly ash has been increasing gradually in Japan, therefore the utilization of fly ash as the substitution of fine aggregate has a significant advantage. In this study, bending fatigue test of roller compacted concrete was carried out, in which all fine aggregate was replaced with fly ash. The obtained S-N curve was compared with that of normal concrete and general roller compacted concrete. Scatter of fatigue strength was also determined.


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