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Mechanical properties of autoclaved shell-aggregate

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Abstract

Waste solid propylene oxide sludge (POS) and fly ash were used as main raw material to prepare propylene oxide sludge aggregate (POSA) under the condition of autoclaved (180 °C, 1.0 MPa) curing. Three different test methods namely cylinder compressive strength (CCS), individual aggregate compressive strength (IACS) and strength contribution rate (SCR) proposed were used to characterize the mechanical properties of the autoclaved POSA. POS shell-aggregate with SCR of 94% were prepared under the hydrothermal synthesis and autoclaved curing. The experimental results indicate that CCS and IACS have good consistency in characterizing mechanical properties of POSA. It is suggested that SCR not only can characterize the strength of POSA core, but also can reflect the effect of shell on the performance of POSA. By means of least square method, relationships between CCS and IACS, CCS and SCR, IACS and SCR were deduced.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China

    Hailong Ma  (马海龙), Chong Cui  (崔崇) & Feng Tang

  2. Institute of Ethnic Preparatory Education, Ningxia University, Yinchuan, 750021, China

    Hailong Ma  (马海龙)

  3. School of Mathematics and Computer Science, Ningxia University, Yinchuan, 750021, China

    Xing Li

  4. Laboratoire de mécanique Biomècanique Polymère Structures (LaBPS), Ecole Nationale d’Ingénieurs de Meta, Metz, 57078, France

    Pierre Chevrier & Vanessa Bouchart

Authors
  1. Hailong Ma  (马海龙)
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  2. Chong Cui  (崔崇)
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  3. Xing Li
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  4. Pierre Chevrier
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  5. Vanessa Bouchart
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  6. Feng Tang
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Corresponding author

Correspondence to Chong Cui  (崔崇).

Additional information

Funded by the National Natural Science Fundation of China(51061015), the scientific Research Program of Jiangsu Economic Information Committee, the Program for Postgraduates Research Innovation in University of Jiangsu Province (CX10B_122Z) and the Science and Technology Project of Jiangsu Province Construction System (JS2010JH22)

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Ma, H., Cui, C., Li, X. et al. Mechanical properties of autoclaved shell-aggregate. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 26, 723–729 (2011). https://doi.org/10.1007/s11595-011-0301-6

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  • DOI: https://doi.org/10.1007/s11595-011-0301-6

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