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厚沥青路面Top-Down裂缝分析及对路面设计的启示 被引量:19

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摘要 Top-Down裂缝是厚沥青层路面的主要损坏方式。该文首先对Top-Down裂缝的产生机理进行了分析,然后使用断裂力学和有限元模型,对有裂缝路面的裂缝扩展机理和裂缝的增长阶段进行了研究。结果表明,裂缝扩展的机理主要是拉应力作用,路面结构和荷载谱(大小和位置)也很重要;而荷载位置和温度在沥青混凝土中诱发的劲度梯度,连同沥青和基层的劲度,对裂缝扩展也有重大影响。
机构地区 长安大学
出处 《中外公路》 北大核心 2006年第5期133-137,共5页 Journal of China & Foreign Highway
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参考文献8

  • 1Leslie Ann Myers,Reynaldo Roque.Evaluaion of Top-Down Cracking in Thick Asphalt Pavements and the Implications for Pavement Design.Transportation Research Circular,Number 503,2001.
  • 2Svasdisant Tunwin,Sehorsch Michael,Balsdi Gibert Y,Pinyosunun Suwanna.Mechanistic Analysis of Top-Down Cracks in Asphalt Pavements.Transportation Research Record,n1809,p126~136,2002.
  • 3Wang L.B.,Myers L.A.,MohammadL.N.,Fu Y.R..Micromechanics Study on Top-Down Cracking.Transportation Research Record,n1853,p121 ~ 133,2003.
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  • 5Roque,Reynaldo; Birgisson,Bjorn; Drakos,Christos; Dietrich,Bruce.Development and Field Evaluation of Energy-based Criteria for Top-Down Cracking Performance of Hot-mix Asphalt.Asphalt Paving Technology 2004,p 229~260,2004.
  • 6Khazanovich LevVelasquez Raul,Nesvijski Edouard G.Evaluation of Top-Down Cracks in Asphalt Pavements by using a Self-calibrating Ultrasonic Technique.Transportation Research Record,n1940,p63 ~ 68,2005.
  • 7De Freitas,Elisabete Fraga,Pereira Paulo,Picado-Santos Luis,Papagiannakis A.Thomas.Effect of Construction Quality,Temperature,and Rutting on Initiation of Top-Down Cracking.Transportation Research Record,n1853,p174~182,2005.
  • 8Bjorn Birgisson,Jianlin Wang,Reynaldo Roque.Florida Top-Down Pavement Cracking Design Model.2006 Design Conference:Designing for more than Bridges and Roads.2006.

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