全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

沥青混合料破坏阶段的黏弹性行为

, PP. 25-28

Keywords: 道路工程,沥青混合料,线性分段法,黏弹性行为,虚劲度模量,勒贝格范数,破坏特性

Full-Text   Cite this paper   Add to My Lib

Abstract:

?采用基于连续破坏力学和功势原理的模型对沥青混合料破坏阶段的黏弹性行为进行研究。该模型中利用虚应变来描述沥青混合料的时间依赖性,利用破坏参数和虚劲度模量的关系描述沥青混合料的破坏特性。通过不同条件下的复数模量试验确定了沥青混合料的线黏弹性力学参数,进行了不同条件下的恒应变率压缩试验来确定沥青混合料的破坏特性。确定了破坏参数、应力的勒贝格范数和虚劲度模量之间的关系,进而用线性分段法计算了沥青混合料的黏弹性应变。利用该模型对不同条件下的恒应变率压缩试验结果进行了分析。结果表明:预测值和实测值吻合良好。

References

[1]  延西利, 封晨辉, 梁春雨.沥青与沥青混合料的流变特性比较[J].长安大学学报:自然科学版, 2002, 22(5):5-8.
[2]  UZAN J.Asphalt Concrete Characterization for Pavement Performance Predictions[J].Journal of the Association of Asphalt Paving Technologists, 1996, 65(1):120-145.
[3]  TIAN Xiao-ge, ZHENG Jian-long, ZHANG Qi-sen.Effect of Aging on Viscoelastic Performance of Asphalt Binder[J].Journal of Traffic and Transportation Engineering, 2004, 4(1):3-6.
[4]  ZHENG Jian-long, YING Rong-hua, ZHANG Qi-sen.Experimental Research on Thermo-viscoelastic Fracture Parameters of Bituminous Mixture[J].China Journal of Highway and Transport, 1996, 9(3):20-28.
[5]  KIM Y R, LITTLE D N.One-dimensional Constitutive Modeling of Asphalt Concrete[J].Journal of Engineering Mechanics, 1990, 116(4):751-772.
[6]  ZHAO Yan-qing, WU Jian, WEN Jian.Analysis of Dynamic Modulus of Asphalt Concrete and Construction of Its Master Curve[J].Highway, 2006, 51(8):98-101.
[7]  ZHAO Y, KIM Y R.The Time-temperature Superposition for Asphalt Mixtures with Growing Damage and Permanent Deformation in Compression[C]//TRB.Transportation Research Record 1832.Washington DC:TRB, 2003:161-172.
[8]  YAN Xi-li, FENG Chen-hui, LIANG Chun-yu.Comparison of Mechanical Behavior Between Bitumen and Bitumen Mix[J].Journal of Changan University:Natural Science Edition, 2002, 22(5):5-8.
[9]  田小革, 郑健龙, 张起森.老化对沥青结合料黏弹性的影响[J].交通运输工程学报, 2004, 4(1):3-6.
[10]  郑健龙, 应荣华, 张起森.沥青混合料热黏弹性断裂参数研究[J].中国公路学报, 1996, 9(3):20-28.
[11]  SCHAPERY R A.On Viscoelastic Deformation and Failure Behavior of Composite Materials with Distributed Flaws[J].Advances in Aerospace Structures and Materials, 1981, 23(2):5-20.
[12]  赵延庆, 吴 剑, 文 健.沥青混合料动态模量及其主曲线的确定与分析[J].公路, 2006, 51(8):98-101.
[13]  SCHAPERY R A, PARK S W.Methods of Interconversion Between Linear Viscoelastic Material Functions, Part I, Numerical Methods[J].International Journal Solids & Structures, 1999, 39(3):1 677-1 699.
[14]  LEE H J, CHOI J Y, ZHAO Y, et al.Laboratory Evaluation of the Effects of Aggregate Gradation and Binder Type on Performance of Asphalt Mixtures[C]//International Society for Asphalt Pavements.Proceedings of the 9th International Conference on Asphalt Pavements.Copenhagen:ISAP, 2002:122-129.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133