Abstract:
通过改变碱激发剂种类(Na_2SO_4、Na_2SO_4+NaOH、Na_2SO_4+Na_2SiO_3)和钙质活性掺和料种类(普通硅酸盐水泥、CaO、Ca(OH)_2),研究它们对中性钠盐碱矿渣砂浆抗压强度的影响。研究发现,当在中性钠盐碱矿渣砂浆中加入2%~5%Na_2SiO_3时,其工作性能满足要求且抗压强度较高。采用CaO、Ca(OH)_2作为钙质活性掺和料时,中性钠盐碱矿渣砂浆的抗压强度要高于普通硅酸盐水泥砂浆,但工作性无法满足要求。最理想的改进后的中性钠盐碱矿渣水泥砂浆的组分比例为Na_2SO_4 10%、普通硅酸盐水泥5%、矿渣85%,并掺入碱矿渣水泥砂浆总量2.5%的Na_2Si...
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Year: 2015
Language: Chinese
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