| 沥青路面轴载作用下疲劳开裂损坏比的预测 |
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| 引用本文： | 谭红霞,黄立暌.沥青路面轴载作用下疲劳开裂损坏比的预测[J].重庆大学学报(自然科学版),2007,30(5):27-30. |
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| 作者姓名： | 谭红霞 黄立暌 |
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| 作者单位： | [1]湘潭大学土木工程与力学学院,湖南湘潭411105 [2]湖南大学土木学院,湖南长沙410008 |
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| 摘 要： | 应用落锤式弯沉盆表面弯曲指数和沥青面层底部拉应变及轴载作用次数之间的关系,研究了在轴载作用下沥青路面疲劳开裂的损坏比,并就某典型路段的实测数据分别在标准荷载作用和多级荷载作用下预测损坏比,发现在标准荷载模式和多级荷载模式作用下对沥青路面的疲劳开裂损坏比预测结果相差较大,且损坏比随时间的增长速率也不同.结果表明多级荷载作用下能切实地反映沥青路面的疲劳特性,是一种在轴载作用下预测沥青路面疲劳寿命的有效方法.
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| 关 键 词： | 沥青路面 轴载 疲劳开裂 弯沉盆 损坏比 沥青路面 轴载 模式作用 疲劳寿命 开裂损坏 预测结果 Loading Axial Cracking Fatigue Performance Asphalt Pavement Rate Damage 方法 疲劳特性 增长速率 时间 荷载模式 发现 荷载作用 |
| 文章编号： | 1000-582X（2007）05-0027-04 |
| 修稿时间： | 2007-01-12 |
Predicting Damage Rate of Asphalt Pavement for the Fatigue Performance Cracking with Axial Loading |
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| TAN Hong-xi,HUANG Li-kui.Predicting Damage Rate of Asphalt Pavement for the Fatigue Performance Cracking with Axial Loading[J].Journal of Chongqing University(Natural Science Edition),2007,30(5):27-30. |
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| Authors: | TAN Hong-xi HUANG Li-kui |
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| Institution: | 1. College of Civil Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China; 2. College of Civil Engineering, Hunan Uniyersity, Changsha 410008,China |
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| Abstract: | The damage rate of asphalt pavement for the fatigue performance cracking is studied with axial loading by the relationshi Pof surface cueved index with Falling Weight Deflection basin, bottom pulling strain of asphalt surface and aumbers of axial loading. The predicting result of standard axial loading and more-classified loading is very different, so as its increasing rate with the time going. It fits real circumstance to predict the fatigue character of asphalt pavement according to more-classified loading and could be an effective measurement for predicting fatigue life of asphalt pavement ruder axial loading. |
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| Keywords: | asphalt pavement axial loading fatigue performance cracking deflection basin damage rate |
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