| Autor: |
Bei Bei Du, Jing Song Shan |
| Rok vydání: |
2013 |
| Předmět: |
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| Zdroj: |
Applied Mechanics and Materials. :1580-1583 |
| ISSN: |
1662-7482 |
| DOI: |
10.4028/www.scientific.net/amm.361-363.1580 |
| Popis: |
Crack is the common and important distress mode of Semi-Rigid Asphalt Pavement . To simulate the dynamic property of vehicle, three dimensional dynamic FEM is made use of and moving load is imposed on the surface of pavement model in this paper. Dynamic stress intensity factor of reflective crack in pavement structure layers is got by calculating the road model with crack , then comparing stress intensity factor of mode I and mode II under moving load with them under static load. It is discovered that the maximum of dynamic stress intensity factor is bigger evidently than static stress intensity factor when reflective crack extends in base layer and sub-base layer, but the results are very close when reflective crack expands into surface layer. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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