Studies on Fatigue Behaviors of Cement Stabilized Macadam Mixture
Publication: Emerging Technologies for Material, Design, Rehabilitation, and Inspection of Roadway Pavements
Abstract
In order to analyze and compare fatigue behaviors of different types of cement stabilized macadam mixture, and thus offer guidance on how to design and select materials for cement stabilized macadam base in practice, the paper carries on compression fatigue test and indirect tensile fatigue test respectively on several cement stabilized macadam mixtures with different cement content and of gradation type. And the unconfined compression strength test follow sequentially when compression fatigue test completed. Results of compression fatigue tests show that the strength of these mixtures has not changes significantly for reasonable cement content and gradation selected. The splitting fatigue test shows that the mixture of a higher content of cement tends to have low mechanical sensitivity and stronger resistance to overloading and Ultra-axle vehicle loading; moreover, the behaviors of fatigue resistance of the cement stabilized macadam mixture would meet the designed requirements on service life so long as its cement content stays around 3.5%. In addition, the splitting fatigue equation proves to be of high accuracy and effectiveness after being reexamined by the different results of the tests.
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Copyright
© 2011 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
ASCE Technical Topics:
- Cement
- Comparative studies
- Compression tests
- Compressive strength
- Concrete
- Concrete pavements
- Engineering fundamentals
- Engineering materials (by type)
- Fatigue (material)
- Fatigue tests
- Infrastructure
- Laboratory tests
- Material mechanics
- Material properties
- Materials characterization
- Materials engineering
- Methodology (by type)
- Mixtures
- Pavements
- Research methods (by type)
- Strength of materials
- Tests (by type)
- Transportation engineering
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