Journal
PETROLEUM SCIENCE AND TECHNOLOGY
Volume 36, Issue 20, Pages 1710-1717Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/10916466.2018.1506805
Keywords
asphalt; basalt fiber; enhancing; highway engineering; mechanism
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In order to investigate the enhancing effect of basalt fiber (BF) on toughness of asphalt, BF modified asphalt and mixture were prepared. Strip tensile test was performed to study the anti-cracking ability of BF modified asphalt. The effect of BF on toughness of asphalt mixture was investigated using MTS system. SEM was conducted to explore the enhancing mechanism of BF. The results showed that the ultimate tensile stress of BF modified asphalt peaked when fiber content reached 0.4% by weight of asphalt mixture. Composite materialization and self-healing force of BF led to the enhancing effect on toughness capacity of asphalt.
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