Deformation of asphalt pavement considering performance degradation of cement-stabilized macadam

被引：0

作者：

Lin, Cheng ^{[1
]}

Wang, Jin-Chang ^{[1
]}

Hu, Rong ^{[1
]}

机构：

[1] Institute of Transportation Engineering, Zhejiang University, Hangzhou

来源：

Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2014年 / 48卷 / 12期

关键词：

Cement-stabilized macadam; Cyclic loading; Deformation; Loading times; Performance degradation of basement layer;

D O I：

10.3785/j.issn.1008-973X.2014.12.019

中图分类号：

学科分类号：

摘要：

Analysis of asphalt pavement under continuous cycle load was carried out with ABAQUS software to study deformational behavior. The performance degradation of cement-stabilized macadam was considered. Drucker-Prager theory and time-based creep law were applied to asphalt constitutive model. Results show that there is no clear correlation between maximum inelastic strain of asphalt layer and modulus of cement-stabilized macadam layer. Asphalt layer, especially the middle course, has a significant impact on rutting. Decline of basement layer modulus can dramatically weaken the rutting-resistance of the pavement and they are in strong nonlinear relation. Deformation of asphalt layer increases and its proportion to total deflection declines while the basement layer modulus reduces. When the road has just opened to traffic, inelastic deformation develops rapidly. Rutting depth reduces significantly by restricting heavy vehicles during this period. ©, 2014, Zhejiang University. All right reserved.

引用

页码：2238 / 2245

页数：7

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