Applied Mechanics and Materials· 2014
Research on Basalt Fiber Asphalt Concrete's Low Temperature Performance
- 20citations
- 2014year
Short summary
Adding 6mm basalt fibers (0.15% dosage) to asphalt concrete significantly improves low-temperature cracking resistance, increasing breaking strength by up to 3.41% and failure strain by up to 38.83%, while reducing failure stiffness by up to 25.52% at -10°C.
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Key points
- Basalt fiber addition improves low-temperature strength and failure strain of asphalt concrete.
- Failure stiffness is reduced by basalt fiber at low temperatures.
- Maximum breaking strength increase was 3.41% with basalt fiber.
- Maximum failure strain increase was 38.83% with basalt fiber.
- Optimal 6mm basalt fiber dosage for low-temperature performance is 0.15%.
AI-generated from the title and abstract; the full text is not read.
Abstract
Conduct experimental study on low temperature performance about asphalt concrete with 6mm basalt fiber and without basalt, 6mm fibers whose dosage is 0.12%0.15% and 0.17%, test method is the indirect tensile test,test temperature is-10±0.5°C. The results show that basalt fiber improved the strength and failure strain of asphalt concrete in low temperature damage, reduced the failure stiffness,in which the maximum increased value of breaking strength is 3.41%, the maximum increased value of failure strain is 38.83%,and the maximum reduced value of failure stiffness is 25.52%,obviously improved low temperature cracking resistance of asphalt concrete;for low temperature performance, the optimum amount of value about 6mm basalt fiber is 0.15% .
The authors' abstract, as published at the source. Applied Mechanics and Materials, 2014 · DOI ↗
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Field: General Engineering
General EngineeringEngineering