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Volume 32 Issue 04
Apr.  2006
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Journal of Beijing University of Aeronautics and Astronautics  > 2006  >  32(04): 461-465.
Huang Xin, Zhu Baolin, Guo Ye, et al. Packing density of powder in paste with continuous grain size distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(04): 461-465. (in Chinese)
Citation: Huang Xin, Zhu Baolin, Guo Ye, et al. Packing density of powder in paste with continuous grain size distribution[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(04): 461-465. (in Chinese)
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Packing density of powder in paste with continuous grain size distribution

  • 1.

    Dept. of Civil Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

  • 2. Key Laboratory for Silicate Materials Science and Engineering of Ministry of Education, Wuhan University of Technology, Wuhan 430070, China

  • Received Date: 04 Mar 2005
  • Publish Date: 30 Apr 2006
    Abstract
  • The experimental result of measuring water requirements in paste under the same fluidity showed that there existed noticeable difference in packing density among the slag powders with different particle size distribution. By regarding the powder particles with the water film wrapping them as compounded particles, the packing density of powder particles in actual paste system was transformed into the packing density of compounded particles in imaginary dry-particle system. Based on Stovall model, a calculation method for packing density of powder with continuous particle size distribution in paste was developed. The parameters in the method were fixed and the validity of this method was verified by experiment. It was proved that with this method the packing density of powder could be calculated as long as the size distribution of powder was known.

     

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