Study on Roller Compacted Concrete’s Nominal Fracture Toughness Based on Crack-Depth Ratio
American Journal of Civil Engineering
Volume 3, Issue 5, September 2015, Pages: 189-193
Received: Dec. 5, 2015; Published: Dec. 5, 2015
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Authors
Ren Li-li, Department of Railway Engineering, Liaoning Railway Vacational and Technical College, Jinzhou, China
Guo Rui-jin, College of Civil Engineering, Liaoning University of Technology, Jinzhou, China
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Abstract
The roller compacted concrete (RCC) has been widely used, and the practical concrete crack usually has different crack-depth ratios, but the researches about the fracture toughness formula for RCC rarely consider crack-depth ratio. Here the wedge-splitting fracture test was carried on the RCC specimens with different crack-depth ratios(0.4, 0.5, 0.6). At the same time, the theoretical nominal fracture toughness formula based on the crack-depth ratio was also studied. At the end, the modified and suitable RCC' formula based on crack-depth ratio was gotten by combining the RCC test results with theoretical formula.
Keywords
Roller Compacted Concrete, Fracture Toughness, Crack-Depth Ratio, Experiment
To cite this article
Ren Li-li, Guo Rui-jin, Study on Roller Compacted Concrete’s Nominal Fracture Toughness Based on Crack-Depth Ratio, American Journal of Civil Engineering. Vol. 3, No. 5, 2015, pp. 189-193. doi: 10.11648/j.ajce.20150305.19
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