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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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Wentong Huang, Duanyi Wang, Peiyong He, Xiang Long, Bing Tong, Jun Tian and Peng Yu
Previous studies have showed that rock asphalt (RA) or diatomite were used to modify the petroleum bitumen. This paper presents the findings from a study conducted to evaluate the potential impact of RA and diatomite on the rheological characteristics of...
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Zhengxing Wang, Jutao Hao, Jian Yang, Yan Cao, Xiulin Li and Shijia Liu
In this paper, we experiment on the hydraulic fracturing of asphalt concrete with a voids content higher than 3%, which has arisen from the possible local shear dilatancy of Quxue asphalt?s core wall of concrete core dam, the highest one of the sort cons...
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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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Ovidijus ?ernas, Viktoras Vorobjovas, Lina ?neideraitiene, Audrius Vaitkus
Pág. 732 - 737
Bearing capacity and durability of road pavement structure depends on design solution, transport loads, climate, materials and construction quality. But the main factors are selected materials for road pavement structure and their properties. Typically, ...
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Mario Arata, Marcello Petrangeli, Francesco Longo
Pág. 343 - 352
During recent decades, major public road authorities showed an increasing trend in seeking for alternative ways to establish and implement road infrastructures concession systems, with the main aim to make it doable in a reliable, socio-economically sust...
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