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Simplified viscosity evaluating method of high viscosity asphalt binders
Abstract In order to establish a simplified viscosity evaluating method of high viscosity asphalt binders (HVABs), shear rate sweep test in the shear rate range of 1.25 × $ 10^{−6} $–1,250 $ s^{−1} $ was performed. Results showed that HVABs exhibited yield pseudo-plastic fluid behavior at 60 °C and the overlapped range of the first Newtonian region was 8 × $ 10^{−5} $–2 × $ 10^{−2} $ $ s^{−1} $. Based on the results, the simplified shear rate sweep test in the shear rate range of 0.001–0.1 $ s^{−1} $ was proposed and low shear viscosity at 0.01 $ s^{−1} $ ($ LSV_{0.01} $) was suggested as the viscosity evaluating indicator of HVABs, which exhibited both close values to zero shear viscosity and significant correlation with rutting resistance of porous asphalt.
Simplified viscosity evaluating method of high viscosity asphalt binders
Abstract In order to establish a simplified viscosity evaluating method of high viscosity asphalt binders (HVABs), shear rate sweep test in the shear rate range of 1.25 × $ 10^{−6} $–1,250 $ s^{−1} $ was performed. Results showed that HVABs exhibited yield pseudo-plastic fluid behavior at 60 °C and the overlapped range of the first Newtonian region was 8 × $ 10^{−5} $–2 × $ 10^{−2} $ $ s^{−1} $. Based on the results, the simplified shear rate sweep test in the shear rate range of 0.001–0.1 $ s^{−1} $ was proposed and low shear viscosity at 0.01 $ s^{−1} $ ($ LSV_{0.01} $) was suggested as the viscosity evaluating indicator of HVABs, which exhibited both close values to zero shear viscosity and significant correlation with rutting resistance of porous asphalt.
Simplified viscosity evaluating method of high viscosity asphalt binders
Li, Lihan (author) / Geng, Han (author) / Sun, Yanna (author)
2014
Article (Journal)
Electronic Resource
English
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