轻骨料透水混凝土的研究
首发时间:2011-11-17
摘要:用粘土陶粒作轻粗集料和膨胀珍珠岩作细轻集料与其他胶凝材料(普通硅酸盐水泥和粉煤灰)通过人工搅拌的方法配制轻骨料透水混凝土,研究水泥、粉煤灰和细轻集料的不同用量对混凝土强度、孔隙率、pH值以及表观密度等性能的影响。结果表明,随着水泥、粉煤灰和细轻集料用量的增加,轻骨料透水混凝土的强度增加、表观密度增大,而孔隙率会降低,pH值变化不大。
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Research about lightweight aggregate pervious concrete
Abstract:The lightweight aggregate pervious was prepared by handing mixing,in which the expanded clay,the expand perlite,fly ash and ordinary portland cemengt were used as coarse lightweight aggaegate,fine lightweight aggregate and hinding medium respectively.The effect of various dosage of cemengt,fly ash and fine lightweight aggregate on the strength,porosity,pH value and apparent density of prepared concrete was researched.The results show that with the dosage increase of cemeng,fly ash and fine lightweight aggregate,strength and apparent density of concrete increase,but the porosity decreases and pH value don't changed.
Keywords: Pervious concrete lightweight aggregate concrete porosity
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