Abstract
Through adding different additional water use, the compressive strength, splitting tensile strength and fluidity of recycled concrete of three aggregate combination forms were studied by experiment respectively. The experimental results show that with the increase of adding additional water use, the compressive strength and splitting tensile strength of recycled coarse aggregate concrete decrease, but that of recycled fine aggregate concrete and recycled all aggregate concrete increase firstly then decrease. When additional water use is added more 15% or 20% than that of basic ordinary concrete, the recycled coarse aggregate concrete and fine one can get pretty good fluidity. When it is added more 30%, the recycled all aggregate concrete has fluidity that is just satisfied.
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Foundation item: Project(Xiangjianke(2007)No.425) supported by Scientific Research Fund of Hunan Provincial Construction Department; Project supported by the Youth Framework Teacher Fund of Xiangtan University(2006)
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Zhang, Xb., Fang, Z., Deng, Sc. et al. Additional water use influencing strength and fluidity of recycled concrete. J. Cent. South Univ. Technol. 15 (Suppl 1), 221–224 (2008). https://doi.org/10.1007/s11771-008-0350-y
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DOI: https://doi.org/10.1007/s11771-008-0350-y