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基于非线性疲劳损伤特性的沥青路面形变规律

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Keywords: 道路工程,沥青路面,有限元,路面结构,损伤力学,路表弯沉

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Abstract:

为了研究沥青路面结构在车辆荷载作用下的疲劳损伤演化特性,并分析其形变规律,运用通用有限元软件ABAQUS及其二次开发平台,建立考虑路面材料非线性疲劳损伤的沥青路面结构数值计算模型,分析沥青路面结构在车辆荷载反复作用下路面结构损伤和路面结构水平正应变的空间分布及演化规律,以及路表弯沉随荷载作用的演变规律。结果表明路面结构损伤主要分布在双轮中心线下靠近层底的区域,基层层底与底基层层底损伤度随荷载作用均增加,且增加幅度逐渐增大;靠近层底位置拉应变逐渐增大,且增加幅度逐渐增大,中性轴上移;路表弯沉在荷载作用下逐渐增大,增大幅度逐渐增大,其规律与相关实测结果相符。研究结果可为沥青路面结构设计、养护维修及长期性能预测提供理论支撑。

References

[1]  杨永顺,王林,高雪池,等.永久路面结构应变分布及疲劳损伤分析[J].山东大学学报:工学版,2009,39(2):118-124.YANG Yongshun,WANG Lin,GAO Xuechi,et al.Analysis of Perpetual Pavement Strain Distribution and Fatigue Damage[J].Journal of Shandong University:Engineering Science Edition,2009,39(2):118-124.
[2]  李兆霞.损伤力学及其应用[M].北京:科学出版社,2002.LI Zhaoxia.Damage Mechanics and Application[M].Beijing:Science Press,2002.
[3]  郑健龙,吕松涛.沥青混合料非线性疲劳损伤模型[J].中国公路学报,2009,22(5):21-28.ZHENG Jianlong,L Songtao.Nonlinear Fatigue Damage Model for Asphalt Mixtures[J].China Journal of Highway and Transport,2009,22(5):21-27.
[4]  孙志林.基于损伤力学的沥青路面疲劳损伤研究[D].南京:东南大学,2008.SUN Zhilin.Research on Fatigue Damage of Asphalt Pavement Based on Damage Mechanics[D].Nanjing:Southeast University,2008.
[5]  CASTRO M,SANCHEZ J A.Estimation of Asphalt Concrete Fatigue Curves:A Damage Theory Approach[J].Construction and Building Materials,2008,22(6):1232-1238.
[6]  葛折圣,黄晓明.运用损伤力学理论预测沥青混合料的疲劳性能[J].交通运输工程学报,2003,3(1):40-42.GE Zhesheng,HUANG Xiaoming.Prediction of Asphalt Mixtures Fatigue Properties Using Damage Mechanics[J].Journal of Traffic and Transportation Engineering,2003,3(1):40-42.
[7]  SHU Xiang,HUANG Baoshan,DRAGON V.Laboratory Evaluation of Fatigue Characteristics of Recycled Asphalt Mixture[J].Construction and Building Materials,2008,22(7):1323-1330.
[8]  关宏信,郑健龙,张起森.沥青混合料的粘弹性疲劳损伤模型研究[J].力学与实践,2007,29(2):50-53.GUAN Hongxin,ZHENG Jianlong,ZHANG Qisen.Viscoelastic Fatigue Damage Model of Bituminous Mixture[J].Mechanics in Engineering,2007,29(2):50-53.
[9]  INJUN S.DamageAnalysis in Asphalt Concrete Mixtures Based on Parameter Relationships[D].Texas:Texas A&M University,2004.
[10]  石亦平,周玉蓉.ABAQUS 有限元分析实例详解[M].北京:机械工业出版社,2006.SHI Yiping,ZHOU Yurong.Detailed Description of ABAQUS Finite Element Analysis Example[M].Beijing:China Machine Press,2006.
[11]  REYES O O,PEREZ J F,MIRO R R,et al.Comparative Study on Fatigue in Bitumen and Asphalt Mixes[J].Carreteras,2008,4(161):23-31.
[12]  ARTAMENDI I,KHALID H.Characterization of Fatigue Damage for Paving Asphaltic Materials[J].Fatigue&Fracture of Engineering Materials&Structures,2005,28(12):1113-1118.
[13]  吴旷怀,杨国良,张肖宁.考虑松弛的沥青混合料疲劳损伤累计模型研究[J].深圳大学学报:理工版,2008,25(4):345-350.WU Kuanghuai,YANG Guoliang,ZHANG Xiaoning.A Fatigue Damage Model of Asphalt Mixture Considering Stress Relaxation[J].Journal of Shenzhen University:Science Engineering Edition,2008,25(4):345-350.
[14]  谢里阳,王德俊,徐灏.疲劳损伤演化方程约束条件的探讨[J].应用力学学报,1992,9(4):66-69.XIE Liyang,WANG Dejun,XU Hao.Restraint Condition for Fatigue Damage Evolution Equation[J].Chinese Journal of Applied Mechanics,1992,9(4):66-69.
[15]  张行,赵军.金属构件应用疲劳损伤力学[M].北京:国防工业出版社,1998.ZHANG Hang,ZHAO Jun.Applied Fatigue Damage Mechanics of Metallic Structural Members[M].Beijing:National Defence Industry Press,1998.
[16]  孙荣山,汪水银.级配变化对水泥稳定碎石材料疲劳性能影响的研究[J].公路交通科技,2007,24(6):57-61.SUN Rongshan,WANG Shuiyin.Research on Fatigue Performance of the Different Gradation of Cement Stabilized Crushed Stone[J].Journal of Highway and Transportation Research and Development,2007,24(6):57-61.
[17]  谢军,郭忠印.沥青混合料疲劳响应模型试验研究[J].公路交通科技,2007,24(5):21-25.XIE Jun,GUO Zhongyin.Researching on Fatigue Model of Asphalt Mixtures[J].Journal of Highway and Transportation Research and Development,2007,24(5):21-25.
[18]  陈少幸.沥青路面疲劳性能加速加载试验研究[D].广州:华南理工大学,2007.CHEN Shaoxing.Study of Fatigue Performance of Asphalt Pavement by Accelerated Loading Test[D].Guangzhou:South China University of Technology,2007.

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