| 沥青层模量累积疲劳损伤衰减的试验研究 |
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| 引用本文： | 薛连旭,陈少幸,张肖宁.沥青层模量累积疲劳损伤衰减的试验研究[J].科学技术与工程,2008,8(6):1635-1638. |
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| 作者姓名： | 薛连旭 陈少幸 张肖宁 |
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| 作者单位： | 1. 华南理工大学道路工程研究所,广州,510641
2. 广东交通集团检测中心,广州,510420 |
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| 摘 要： | 在加速加载试验过程中,采用落锤式弯沉仪测量不同轴载作用次数下路面弯沉,反算沥青层模量,得到路面整个寿命周期的沥青层模量衰减模型.结果表明,累积疲劳损伤下,沥青层模量与加载作用在半对数坐标成线性相关.
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| 关 键 词： | 累积 疲劳损伤 沥青层 模量 衰减 |
| 修稿时间： | 2007年11月29 |
Experimental Study on Modulus Degradation of Asphalt Layer due to Cumulative Fatigue Damage |
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| XUE Lian-xu,CHEN Shao-xing,ZHANG Xiao-ning.Experimental Study on Modulus Degradation of Asphalt Layer due to Cumulative Fatigue Damage[J].Science Technology and Engineering,2008,8(6):1635-1638. |
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| Authors: | XUE Lian-xu CHEN Shao-xing ZHANG Xiao-ning |
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| Abstract: | Falling weight deflectometer Was used tomeasure the deflection of surface pavement under different ALF axle loading in accelerated loading test.Back-calculated the modulus of asphalt layer.determined the reduetion in modulus of the asphalt layer during the whole life of pavement are presented.The result shows a linear relationship between asphalt layer modulus and cumulative fatigue damage plated on semilog scales. |
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| Keywords: | Cumulative fatigue damage asphalt layer modulus degradation |
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