Abstract
Abstract Roller-Compacted Concrete (RCC) has been used widely for construction of pavements. The strength of RCC Pavement (RCCP) can be obtained from not only hydration of binder but also the aggregate interlock resulting from roller compaction. For this reason, RCCP normally achieves strengths greater than conventional concrete pavement with similar cement content. Even though RCCP can provide good structural performance, it has been difficult to verify its long-term performance through actual field construction. Therefore, this study evaluated the fatigue behavior using 1 by 1-m dimensional RCC slab specimens obtained in the field in order to take into consideration field variability. A set of numerical analyses indicated that the failure modes of the specimens for a given loading condition appeared to be four-directional bottom-up cracks. A fatigue equation was developed based on the relationship between the stress level and the number of load repetitions.
Published Version
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