[1]姚波,程刚,王晓.基于弯曲试验模式的环氧沥青混合料动态模量[J].东南大学学报(自然科学版),2011,41(3):597-600.[doi:10.3969/j.issn.1001-0505.2011.03.032]
 Yao Bo,Cheng Gang,Wang Xiao.Dynamic modulus of epoxy asphalt mixture based on bending test mode[J].Journal of Southeast University (Natural Science Edition),2011,41(3):597-600.[doi:10.3969/j.issn.1001-0505.2011.03.032]
点击复制

基于弯曲试验模式的环氧沥青混合料动态模量()
分享到:

《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
41
期数:
2011年第3期
页码:
597-600
栏目:
交通运输工程
出版日期:
2011-05-20

文章信息/Info

Title:
Dynamic modulus of epoxy asphalt mixture based on bending test mode
作者:
姚波程刚王晓
(东南大学交通学院,南京 210096)
Author(s):
Yao BoCheng GangWang Xiao
(School of Transportation, Southeast University, Nanjing 210096, China)
关键词:
环氧沥青混合料时-温等效原理动态弯曲模量主曲线应力依赖性
Keywords:
epoxy asphalt mixture time-temperature superposition principle dynamic bending modulus master curve stress dependence
分类号:
U443.33
DOI:
10.3969/j.issn.1001-0505.2011.03.032
摘要:
为研究环氧沥青混合料的动态特性,采用弯曲试验模式,测试并分析-15,5,25,45,60℃以及0.1,0.5,1.0,5.0,10.0,20.0Hz条件下环氧沥青混合料的动态弯曲模量及其应力依赖性,依据时-温等效原理和WLF模型建立了动态弯曲模量主曲线,并与改性沥青SMA进行对比.研究结果表明:环氧沥青混合料动态弯曲模量主要受温度影响,随温度升高而显著减少,-15℃与60℃时相差2个数量级,动态弯曲模量还随频率的增大而增加; 动态弯曲模量具有一定的应力依赖性,随应力水平的增大而减小; 非线性S形主曲线连续而光滑,可以很好地预测任意温度和频率组合的动态弯曲模量; 环氧沥青混合料动态弯曲模量在宽频范围内均大于改性沥青SMA.
Abstract:
In order to study the dynamic characteristics of epoxy asphalt mixture, dynamic bending modulus and its stress dependence are determined with four-point bending test at different temperatures of -15, 5, 25, 45, 60℃ and frequencies of 0. 1, 0. 5, 1. 0, 5. 0, 10. 0, 20. 0Hz. Master curve of dynamic bending modulus is obtained based on time-temperature superposition principle and WLF mode, and compared with modified asphalt SMA(stone matrix asphalt). Results show that dynamic bending modulus significantly reduces with the increase of temperature and differs by two orders of magnitude when the temperature rises from -15 to 60℃. Moreover, dynamic bending modulus increases with the increase of frequency. Dynamic modulus reduces with the increase of stress level, which shows a stress dependency. The master curve is continuous and smooth and it can be used in the prediction of dynamic bending module at arbitrary temperature-frequency combination. Dynamic bending modulus of epoxy asphalt mixture is greater than that of modified asphalt SMA in broadband range.

参考文献/References:

[1] 黄卫,钱振东,程刚.环氧沥青混凝土在大跨径钢桥面铺装中的应用[J].东南大学学报:自然科学版,2002,32(5):783-787.
  Huang Wei,Qian Zhendong,Cheng Gang.Application of epoxy asphalt concrete to pavement of long-span steel bridge deck[J].Journal of Southeast University:Natural Science Edition, 2002,32(5):783-787.(in Chinese)
[2] 王晓,程刚,黄卫.环氧沥青混凝土性能研究[J].东南大学学报:自然科学版,2001,31(6):21-24.
  Wang Xiao,Cheng Gang,Huang Wei.On epoxy asphalt concrete property[J].Journal of Southeast University:Natural Science Edition, 2001,31(6):21-24.(in Chinese)
[3] 黄卫.大跨径桥梁钢桥面铺装设计理论与方法[M].北京:中国建筑出版社,2006.
[4] 徐勋倩.大跨径钢桥面铺装层车辆动响应影响因素分析[J].公路交通科技,2009,26(9):85-90.
  Xu Xunqian.Analysis of dynamic response of long-span steel deck pavement under moving loads[J].Journal of Highway and Transportation Research and Development, 2009,26(9):85-90.(in Chinese)
[5] Medani T O,Huurman,M.Superposition principle to determine properties of bituminous mixtures in the time-temperature domain[C]//Proceedings of the 7th International Conference on the Bearing Capacity of Roads,Railways and Airfields.Trondheim,Norway,2005:88-93.
[6] Medani T O,Huurman M,Molenaar A A A.On the construction of master curves for bituminous mixes[C]//Proceedings of the 3rd EuroBitume Congress.Vienna,Austria,2004:162-166.
[7] Bonaquist R,Christensen D W.A practical procedure for developing dynamic modulus master curves for pavement structural design[C]//2005 Transportation Research Board Annual Meeting. Washington DC,USA,2005:74-78.
[8] Pellinen T K,Witczak M W,Bonaquist R F.Asphalt mix master curve construction using sigmoidal fitting function with non-linear least squares optimization[C]//Recent Advances in Materials Characterization and Modeling of Pavement Systems.New York:American Society of Civil Engineers,2004:83-101.
[9] Medani T O,Huurman M.Constructing the stiffness master curves for asphaltic mixes,report 7-10-127-3[R].Delft,The Netherlands:Faculty of Civil Engineering and Geosciences,Delft University of Technology,2003.
[10] 张肖宁.沥青与沥青混合料的粘弹性力学原理与应用[M].北京:人民交通出版社,2006.

备注/Memo

备注/Memo:
作者简介:姚波(1981—),男,博士生,seublade@gmail.com.
引文格式: 姚波,程刚,王晓.基于弯曲试验模式的环氧沥青混合料动态模量[J].东南大学学报:自然科学版,2011,41(3):597-600.doi:10.3969/j.issn.1001-0505.2011.03.032]
更新日期/Last Update: 2011-05-20