半刚性及复合基层沥青路面破损指标演变规律研究
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U414.0

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山东省技术创新项目(201731901168); 山东省交通科技项目(2012Y01)第一作者:林江涛(1986-),男,山东莒县人,硕士,高级工程师。E-mail:linjiangtaokeyan@126.com。 ,樊亮 1,闫晨2


Study on the evolution law of damage index of semi-rigid and composite base asphalt pavement
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    摘要:

    对半刚性基层、复合基层沥青路面破损数据进行汇总分析,提出沥青路面病害平均种类、病害覆盖率及贡献率等路面破损衍生指标。分析结果表明,复合基层、半刚性基层路面不同时期平均病害种类基本一致,病害覆盖率、贡献率最大均是横裂修补、纵裂修补、纵向裂缝(轻)、横向裂缝(轻)等4种病害;半刚性基层早期微裂缝的扩展速度明显高于复合基层路面,两种基层路面的纵向裂缝(重)病害发展最迅速阶段出现于同一阶段;相较于半刚性基层,复合基层将横向裂缝(重)、块状裂缝发展最迅速阶段延后,复合基层路面比半刚性基层路面拥有更好的养护弹性。

    Abstract:

    The damage data of asphalt pavement with semi-rigid base and Composite base are summarized and analyzed, and the average types of asphalt pavement diseases, disease coverage rate and contribution rate of pavement damage derivative indicators are put forward. The analysis results show that the average types of diseases of Composite base and semi-rigid base pavement are basically the same in different periods, and the coverage and contribution rate of diseases are the four diseases of transverse crack repair, longitudinal crack repair, longitudinal crack (light), transverse crack (light), etc. The expansion speed of early micro-cracks of semi-rigid base pavement is obviously higher than that of Composite base pavement, and Longitudinal crack (serious) disease of two kinds of base pavement develops most rapidly in the same stage. Compared with semi-rigid base, Composite base delays the most rapid development of transverse cracks (heavy) and massive cracks. Composite base pavement has better maintenance elasticity than semi-rigid base pavement.

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林江涛,樊亮,闫晨. 半刚性及复合基层沥青路面破损指标演变规律研究[J]. 科学技术与工程, 2020, 20(21): 8772-8778.
林江涛. Study on the evolution law of damage index of semi-rigid and composite base asphalt pavement[J]. Science Technology and Engineering,2020,20(21):8772-8778.

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  • 收稿日期:2020-01-03
  • 最后修改日期:2020-05-29
  • 录用日期:2020-02-21
  • 在线发布日期: 2020-08-18
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