Abstract
In order to evaluate the reflection crack resistance of stress-absorbing waterproof interlayer (SAWI), some performance tests were carried out. The results obtained with an improved asphalt pavement analyzer (APA) show that the fatigue life of SAWI is 3.32 times that of the common asphalt concrete. The pull-out test results obtained with a modified material test system (MTS) indicate that SAWI is of good interlayer bonding capability. Moreover, as compared with the control sample, SAWI is of strong preflection crack resistance. It is thus concluded that SAWI can effectively delay the cracking of asphalt pavement due to its low modulus, high toughness and elasticity, as well as good seepage-preventing capability.
| Original language | English |
|---|---|
| Pages (from-to) | 81-85 |
| Number of pages | 5 |
| Journal | Huanan Ligong Daxue Xuebao/Journal of South China University of Technology (Natural Science) |
| Volume | 36 |
| Issue number | 10 |
| State | Published - Oct 2008 |
Keywords
- Asphalt overlay
- High-elasticity modified asphalt
- Reflection crack
- Road engineering
- Stress-absorbing waterproof interlayer
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