[1]朱洪洲,黄晓明.沥青混合料疲劳性能关键影响因素分析[J].东南大学学报(自然科学版),2004,34(2):260-263.[doi:10.3969/j.issn.1001-0505.2004.02.028]
 Zhu Hongzhou,Huang Xiaoming.Analysis of key influential factors of asphalt-mixture fatigue property[J].Journal of Southeast University (Natural Science Edition),2004,34(2):260-263.[doi:10.3969/j.issn.1001-0505.2004.02.028]
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沥青混合料疲劳性能关键影响因素分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
34
期数:
2004年第2期
页码:
260-263
栏目:
交通运输工程
出版日期:
2004-03-20

文章信息/Info

Title:
Analysis of key influential factors of asphalt-mixture fatigue property
作者:
朱洪洲 黄晓明
东南大学交通学院, 南京 210096
Author(s):
Zhu Hongzhou Huang Xiaoming
College of Transportation, Southeast University, Nanjing 210096, China
关键词:
沥青混合料 疲劳性能 影响因素 灰关联分析
Keywords:
asphalt mixes fatigue property influential factors gray correlation analysis
分类号:
U414.75
DOI:
10.3969/j.issn.1001-0505.2004.02.028
摘要:
从材料角度讨论了影响沥青混合料抗疲劳性能的因素,对不同因素条件下沥青混合料室内疲劳试验结果进行灰关联分析,分别研究了沥青性质、集料级配和混合料体积参数对沥青混合料疲劳模型中K值和n值影响的程度.研究表明:混合料饱和度和空隙率对K,即沥青混合料疲劳寿命有较大影响; 胶粉质量比和沥青膜厚度对n,即疲劳寿命对应力水平变化敏感程度有较大影响.因此要提高沥青混合料耐疲劳性能,应保证沥青用量,从而形成高质量的沥青胶结料,并使混合料充分密实.
Abstract:
The influential factors of asphalt-mixture fatigue property such as asphalt binds properties, gradation of aggregate, percent air voids and percent of voids filled with asphalt in asphalt mixtures are discussed. Beam flexure fatigue test results of different asphalt mixtures are analyzed by gray relation degree theory. Gray relation degree between each factor and K and n in fatigue model are studied respectively.The results show that percent air voids and percent of voids filled with asphalt in asphalt mixtures have great influence affect K value which indicates the extension of fatigue life. On the other hand, filler-bitumen ratio and asphalt film thickness primarily affect n value which indicates the stress sensitivity of fatigue life. Therefore appropriate asphalt content, high quality bitumen-filling combination and reasonable compacted density will produce preferable fatigue property of asphalt mixtures.

参考文献/References:

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备注/Memo

备注/Memo:
作者简介: 朱洪洲(1976—),男,博士生; 黄晓明(联系人),男,博士,教授,博士生导师,huangxm@seu.edu.cn.
更新日期/Last Update: 2004-03-20