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Computers and Concrete
  Volume 4, Number 6, December 2007 , pages 425-436

The effect of fly ash/slag on the property of reactive powder mortar designed by using Fuller?s ideal curve and error function
C. L. Hwang and S. L. Hsieh

    This study is mainly focused on applying Fuller?s ideal gradation curve to theoretically design blended ratio of all solid materials of a reactive powder mortar (RPM), also known as reactive powder concrete (RPC), with the aid of error function, and then to study the effect of fly ash/slag on the performance of RPM. The solid particle is assumed to be spherical particles. Then, the void volume of paste (Vv) and the paste content with specific quality can be obtained. As conclusion, under Fuller?s ideal grading curve, the amount of fly ash/slag mixture is higher than that with silica fume along due to it better filled the void within solid particle and obtains higher packing density.
Key Words
    reactive powder mortar (RPM); reactive powder concrete (RPC); Fuller?s gradation curve; error function; fly ash/slag.
C. L. Hwang; Department of Construction Engineering, National Taiwan University of Science and Technology, No. 43, section 4, Keelung Road, Taipei 106, Taiwan
S. L. Hsieh; Department of Civil Engineering, National Taiwan University of Science and Technology, Nanya Institute of Technology, No. 414, section 3, Chung-Shang E Road, Taipei 302, Taiwan

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