| 沥青加铺层改造旧水泥混凝土路面疲劳试验与实际效果对比分析 |
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| 引用本文： | 卢拥军.沥青加铺层改造旧水泥混凝土路面疲劳试验与实际效果对比分析[J].现代交通技术,2010,7(2):8-12. |
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| 作者姓名： | 卢拥军 |
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| 作者单位： | 江苏省交通科学研究院股份有限公司,江苏,南京,210017 |
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| 摘 要： | 根据江苏宁通公路六合东至江都段沥青加铺旧水泥混凝土路面工程典型加铺结构层室内疲劳试验数据,结合工程通车10年来所观察反射裂缝发展情况,通过将室内试验数据所得出的结论与通车10年来观察的反射裂缝情况进行对比,找出两者之间的对应关系。结果表明,加铺层采用SMA16混合料的抗反射裂缝的能力明显优于采用AC16I型混合料,在结构层与厚度相同情况下,使用玻璃纤维格栅和土土布均能提高加铺层的抗反射裂缝能力。
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| 关 键 词： | 沥青路面 旧路改造 疲劳试验 对比分析 |
Comparative Analysis Between Actual Results and Fatigue Test of Asphalt Overlay on Old Cement Concrete Pavement |
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| Lu Yongjun.Comparative Analysis Between Actual Results and Fatigue Test of Asphalt Overlay on Old Cement Concrete Pavement[J].Modern Transportation Technology,2010,7(2):8-12. |
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| Authors: | Lu Yongjun |
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| Institution: | Lu Yongjun (Jiangsu Transportation Research Institute Co.,Ltd, Nangjing 210017,China) |
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| Abstract: | Based on interior fatigue test of east Liuhe to Jiangdu section of Ningtong highway in Jiangsu province with typical overlay and actual reflective cracks inspected 10 years since constructed,the laboratong test conclusion and actual reflection crack in 10 years are compared, which can be applied for similar projects. The results show that reflection crack rsistance of overlay using SMA16 is better than that of overlay using AC16I mixture. In the same layer thickness and structure,the use of glass fiber gird and earthwork cloth can improve the ability of reflection crack. |
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| Keywords: | asphalt pavement old road reconstruction fatigue test comparative analysis |
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