Experimental and theoretical characterization of the engineering behavior of bitumen mixed with mineral filler

Jian Shiuh Chen, Po Hong Kuo, Ping Sien Lin, Chien Chung Huang, Kui Yi Lin

研究成果: Article同行評審

34 引文 斯高帕斯(Scopus)


The dynamic shear rheometer (DSR) and the bending beam rheometer (BBR) were used to characterize the rheological properties of bitumen mixed with mineral filler that is smaller than 75 μm in size. The study focuses on using a rheology-based model to assess the effect of two distinctly different fillers, quartz and calcite, on the engineering behavior of the bitumen-mineral filler mastic. Four conventionally different bitumens were selected to assess the filler effect. By mathematically modeling the rheological response, predicting the rheological behavior of mastics becomes simpler and more efficient in approach. The rheological properties of bitumen-mineral filler mastics are characterized using the time-temperature superposition principle after data obtained from DSR and BBR are converted to the same unit. The stiffening effects of the filler are relatively small at short loading times or low temperatures, but are larger at higher temperatures or long loading times. This stiffening effect is found to be bitumen dependent as well as filler dependent. The validity of a micromechanical model is confirmed in this study. The Nielsen model was selected since it employs rheological parameters that could explain the filler effect. The micromechanical model shows good agreement with testing data at the filler volume fraction up to 22%.

頁(從 - 到)1015-1024
期刊Materials and Structures/Materiaux et Constructions
出版狀態Published - 2008 七月

All Science Journal Classification (ASJC) codes

  • 土木與結構工程
  • 建築與營造
  • 材料科學(全部)
  • 材料力學


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