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Construction & building materials v.134, 2017년, pp.75 - 82   SCIE
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Effect of grinding method and particle size distribution on long term properties of binary and ternary cements

Ghiasvand, E. (Department of Engineering, Buali Sina University, Kaboodrahang, Hamedan, Iran ) ; Ramezanianpour, A.A. (Concrete Technology and Durability Research Center, Department of Civil Engineering, Amirkabir University of Technology, Iran ) ;
  • 초록  

    Abstract This paper describes the influence of the producing method (inter-grinding and separate grinding) and particle size distribution (PSD) on long term properties of blended cements. Portland cement (PC), limestone and a natural pozzolan (Trass) were used in binary and ternary cementitious blends. In this study, 14 types of cements including two types of Portland cement (PC), four types of Portland-limestone cement (PLC), four types of Portland-pozzolan cement (PPC), and four types of Portland-composite cement (PCC) were used. The results show that for achieving the same percentage of 45-μm residue in blended cements containing Trass, inter-grinding was less energy-demanding than separate grinding (shorter grinding time was required). Also, PPC and PCC provided better durability properties compared to PC and PLC properties. In addition, particle size distribution (PSD) and long term properties of blended cements with same percentage of 45-μm residue were not affected significantly by grinding method. Furthermore, the use of cements with high fineness seems not economically beneficial due to its low effect on long term properties. Highlights In PPC and PCC, the presence of Trass improved the particle size distribution. Durability properties of cements were not affected by fineness significantly and grinding method. The use of cements with high fineness seems not economically beneficial.


  • 주제어

    Grinding method .   Particle size distribution .   Durability .   Limestone .   Trass.  

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