Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Experimental and Stress-Dilatancy Investigation of Mechanical Behavior for Asphalt Mixture
It is important to understand the mechanism of dilation for asphalt pavement design. In this paper dilatancy theories are discussed including Rowe's and Roscoe's stress-dilatancy, and so on. The uniaxial compressive test is employed to measure dilation of asphalt mixtures under various test temperatures. Radial and volume changes of asphalt mixture specimens are obtained by UTM-25 multifunctional material system and special radial displacement transducers. The tested result is illustrated through Reynolds' dilatancy theory. The experimental result shows that the test temperature and time were found to play an important role on the dilation behavior of asphalt mixtures. The dilation characteristics are affected by the aggregate properties such as density, friction coefficient, shape, and size angular. Thus, the constitutive of dilation of asphalt mixture should be considered the aforementioned points. Analysis using Reynolds' dilatancy theory suggests that the dilation is governed by the kinematic constraints imposed by the aggregate skeleton.
Experimental and Stress-Dilatancy Investigation of Mechanical Behavior for Asphalt Mixture
It is important to understand the mechanism of dilation for asphalt pavement design. In this paper dilatancy theories are discussed including Rowe's and Roscoe's stress-dilatancy, and so on. The uniaxial compressive test is employed to measure dilation of asphalt mixtures under various test temperatures. Radial and volume changes of asphalt mixture specimens are obtained by UTM-25 multifunctional material system and special radial displacement transducers. The tested result is illustrated through Reynolds' dilatancy theory. The experimental result shows that the test temperature and time were found to play an important role on the dilation behavior of asphalt mixtures. The dilation characteristics are affected by the aggregate properties such as density, friction coefficient, shape, and size angular. Thus, the constitutive of dilation of asphalt mixture should be considered the aforementioned points. Analysis using Reynolds' dilatancy theory suggests that the dilation is governed by the kinematic constraints imposed by the aggregate skeleton.
Experimental and Stress-Dilatancy Investigation of Mechanical Behavior for Asphalt Mixture
Zhang, Jiantong (Autor:in) / Yang, Jun (Autor:in)
Geo-Hubei 2014 International Conference on Sustainable Civil Infrastructure ; 2014 ; Yichang, Hubei, China
23.06.2014
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
Experimental and Stress-Dilatancy Investigation of Mechanical Behavior for Asphalt Mixture
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