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Zhongcai Huang, Xianwu Ling, Di Wang, Pengfei Li, Huaquan Li, Xinyu Wang, Zujian Wang, Rong Wei, Weining Zhu and Augusto Cannone Falchetto
This study evaluates the critical high- and low-temperature rheological properties of a high-viscosity modified asphalt (HVMA) binder by analyzing one neat and three high-viscosity modified binders (B-type, Y-type, and H-type) using temperature sweep tes...
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Minghao Mu, Chaochao Liu and Zhengnan Liu
To improve the rutting resistance and anti-aging performance of bio-asphalt, the composite modifier of rock asphalt and montmorillonite is used to modify the bio-asphalt. The optimum content of each component was determined by orthogonal tests based on t...
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Song Li, Xingxing Shi, Chundi Si, Binshuo Bao and Mengmeng Hu
The performance of an asphalt mixture is significantly affected by the properties of its asphalt mortar, which consists of an asphalt binder, mineral fillers, fine aggregates and air voids. The aim of this work was to evaluate the correlations between th...
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Abhirup B. Roy-Chowdhury, Mofreh F. Saleh and Miguel Moyers-Gonzalez
Permanent deformation or rutting is a major mode of failure in Hot Mix Asphalt (HMA) pavements. The binder used in the asphalt mixture plays an important role in the rutting resistance performance of the mixture. Currently, the Superpave rutting paramete...
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Rodrigo Delgadillo, Angelo Filonzi, Hussain Bahia, Nima Roohi Sefidmazgi
Pág. 85 - 95
A solution for measuring creep compliance of asphalt binders is obtained by testing samples using a spherical indenter at intermediate temperatures. The initial assumptions considered a semi-infinite medium with no friction. Solutions were obtained to co...
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Songtao Lv, Shuangshuang Wang, Tong Guo, Chengdong Xia, Jianglong Li and Gui Hou
As a natural modifier of asphalt, rock asphalt has been widely used to improve its thermal stability and aging resistance. However, the thermal cracking resistance of asphalt modified by rock asphalt is unsatisfactory. In order to improve the thermal cra...
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Nelson Galé, Alex Visser
Pág. Page 04 - 12
A constitutive model was used to evaluate the fatigue performance of asphalt concrete, consideringdamage evolution. The aim of the paper is to present a methodology capable of predicting fatigue life in asphalt concretemore realistically and comparable w...
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