Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effect of Morphology on High-Temperature Rheological Properties of Polymer-Modified Bitumen
Abstract This paper employs isothermal annealing at different temperatures to obtain different microstructures of the same modified bitumen with styrene-butadiene-styrene (SBS) copolymer. The effect of polymer-modified bitumen (PMB) morphology on high-temperature rheological properties is investigated based on the same material. The characteristic wavelength ξ of PMB microstructure was calculated from the fluorescence microscopy images. Dynamic shear rheometer (DSR) measurements and multiple stress creep and recovery (MSCR) tests were performed. The PMB morphology-rheology correlation was discussed within the studied temperature and frequency range. Comparing with a binary droplet-in-matrix microstructure, a homogenous PMB morphology tends to store more energy during shear cycles and reach higher recovery after the loading.
Effect of Morphology on High-Temperature Rheological Properties of Polymer-Modified Bitumen
Abstract This paper employs isothermal annealing at different temperatures to obtain different microstructures of the same modified bitumen with styrene-butadiene-styrene (SBS) copolymer. The effect of polymer-modified bitumen (PMB) morphology on high-temperature rheological properties is investigated based on the same material. The characteristic wavelength ξ of PMB microstructure was calculated from the fluorescence microscopy images. Dynamic shear rheometer (DSR) measurements and multiple stress creep and recovery (MSCR) tests were performed. The PMB morphology-rheology correlation was discussed within the studied temperature and frequency range. Comparing with a binary droplet-in-matrix microstructure, a homogenous PMB morphology tends to store more energy during shear cycles and reach higher recovery after the loading.
Effect of Morphology on High-Temperature Rheological Properties of Polymer-Modified Bitumen
Zhu, Jiqing (Autor:in) / Lu, Xiaohu (Autor:in)
13.09.2018
6 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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