[1] Wang Siqi, Huang Xiaoming, Ma Tao, Zhu Tanyong, et al. Numerical analysis of reflective cracking and fatigue livesof semi-rigid pavement structures using ABAQUS and FE-SAFE [J]. Journal of Southeast University (English Edition), 2015, 31 (4): 541-546. [doi:10.3969/j.issn.1003-7985.2015.04.019]
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Numerical analysis of reflective cracking and fatigue livesof semi-rigid pavement structures using ABAQUS and FE-SAFE(
)
基于ABAQUS和FE-SAFE的半刚性基层路面 反射裂缝和疲劳寿命的数值分析
)Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]
- Volumn:
- 31
- Issue:
- 2015 4
- Page:
- 541-546
- Research Field:
- Traffic and Transportation Engineering
- Publishing date:
- 2015-12-30
Info
- Title:
- Numerical analysis of reflective cracking and fatigue livesof semi-rigid pavement structures using ABAQUS and FE-SAFE
- 基于ABAQUS和FE-SAFE的半刚性基层路面 反射裂缝和疲劳寿命的数值分析
- Author(s):
- Wang Siqi; Huang Xiaoming; Ma Tao; Zhu Tanyong; Tang Tao; Liu Wanchen
- School of Transportation, Southeast University, Nanjing 210096, China
- Keywords:
- conventional semi-rigid base; aggregated base; large stone porous mixture; reflective cracking; fatigue life; numerical simulation
- PACS:
- U416.2
- DOI:
- 10.3969/j.issn.1003-7985.2015.04.019
- Abstract:
- In order to compare the impact of thickness of different layers on fatigue lives of different semi-rigid asphalt pavement structures, the mechanical results from finite element models in ABAQUS are incorporated with the fatigue results from fatigue models in FE-SAFE to calculate the mechanical response and fatigue lives of semi-rigid pavement structures under heavy traffic loads. Then the influences on fatigue lives caused by the changes in the thickness of layers in pavement structures are also evaluated. The numerical simulation results show that the aggregated base and the large stone porous mixture(LSPM)base have better anti-cracking performance than the conventional semi-rigid base. The appropriate thickness range for the aggregated layer in the aggregated base is 15 to 18 cm. The thickness of the LSPM layer in the LSPM base is recommended to be less than 15 cm.
- 为了比较不同半刚性基层路面结构层厚度对疲劳寿命的影响, 结合ABAQUS有限元模型的力学结果和FE-SAFE疲劳模型的疲劳结果计算了半刚性沥青路面结构在重载交通作用下的力学响应和疲劳寿命, 评价了不同沥青路面结构层厚度对沥青路面疲劳寿命的影响.数值模拟结果表明:级配碎石基层和大孔径透水材料(LSPM)基层比传统半刚性基层具有更好的抗疲劳开裂性能.级配碎石基层中级配碎石层的合理厚度为15~18 cm, LSPM基层中LSPM层的厚度不应超过15 cm.
References:
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Memo
- Memo:
-
Biographies: Wang Siqi(1991—), male, graduate; Huang Xiaoming(corresponding author), male, doctor, professor, huangxm@seu.edu.cn.
Foundation item: The National Natural Science Foundation of China(No.51378121).
Citation: Wang Siqi, Huang Xiaoming, Ma Tao, et al.Numerical analysis of reflective cracking and fatigue lives of semi-rigid pavement structures using ABAQUS and FE-SAFE[J].Journal of Southeast University(English Edition), 2015, 31(4):541-546.[doi:10.3969/j.issn.1003-7985.2015.04.019]