All Title Author
Keywords Abstract


再生沥青混合料疲劳性能试验研究

, PP. 31-35

Keywords: 道路工程,再生沥青混合料,试验研究,疲劳性能,表层沥青混合料

Full-Text   Cite this paper   Add to My Lib

Abstract:

?为了评价掺有再生沥青路面(RAP)材料的沥青混合料的疲劳性能,以及不同RAP材料用量对沥青混合料疲劳性能的影响,进行了室内再生沥青混合料疲劳试验研究。疲劳试验中采用了沥青路面表面层沥青混合料,选用了间接拉伸(IDT)强度试验和半圆弯曲(SCB)疲劳试验方法,进行了RAP材料质量分数分别为0%、10%、20%和30%的疲劳试验。试验结果表明:沥青混合料中RAP材料质量分数小于20%时,对沥青混合料疲劳性能影响不大,而RAP材料质量分数为30%时,疲劳性能明显下降。初步建议了表层沥青混合料合适的RAP材料质量分数不宜超过20%。

References

[1]  ROBERTS F L, KANDHAL P S, BROWN E R, LEE D Y, KENNEDY T W.Hot Mix Asphalt Materials, Mixture Design and Construction[M].2nd ed.Lanham:NAPA Education Foundation, 1991:439.
[2]  LI Qiang, MA Song-lin, WANG Peng-fei.Fatigue Properties of Cold-Recycled Asphalt Mixture[J].Journal of Traffic and Transportation Engineering, 2004, 4(1):7-10.
[3]  武建明, 李晓军.沥青混合料小梁疲劳试验有限元模拟[J].长安大学学报:自然科学版, 2004, 24(1):5-8.
[4]  RICE J R.A Path Independent Integral and the Approximate Analysis of Strain Concentration by Notches and Cracks[J].Journal of Applied Mechanics, 1968, 35(1):379-386.
[5]  张婧娜, 谭忆秋, 张肖宁.应用能量原理预测沥青混合料的疲劳破坏[J].中国公路学报, 1998, 11(4):11-17.
[6]  TAYLOR N H.Life Expectancy of Recycled Asphalt Paving[C]//American Society for Testing Materials.Recycling of Bituminous Pavements.Philadelphia:American Society for Testing Materials, 1977:3-15.
[7]  李 强, 马松林, 王鹏飞.沥青路面冷再生混合料疲劳性能[J].交通运输工程学报, 2004, 4(1):7-10.
[8]  MOLENAAR A A A, SCARPAS A, LIU X, ERKENS S M J G.Semi-Circular Bending Test[J].Journal of the Association of Asphalt Paving Technologists, 2002, 71(3):794-815.
[9]  WU Jian-ming, LI Xiao-jun.Simulation of Asphalt Mixtures Beam Test with Finite Element Method[J].Journal of Chang'an University:Natural Science Edition, 2004, 24(1):5-8.
[10]  ZHANG Jing-na, TAN Yi-qiu, ZHANG Xiao-ning.Predicting Fatigue Failure of Bituminous Mixture Using Energy Dissipation[J].China Journal of Highway and Transport, 1998, 11(4):11-17.

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

微信:OALib Journal