Effect of CaO content and n( SiO2 )( Al2 O3 )upon the chloride penetration of geopolymer,and the characteristic of geopolymer is analyzed by SEM. The test results show that both CaO content and n( SiO2 )( Al2 O3 )have a significant impact on the chloride penetration of geopolymer. With the increasing of CaO content,electric flux of chloride is sustained decrease. With the increasing of n( SiO2 )( Al2 O3 ),the electric flux of chloride ion is decrease at first before development.%研究了CaO含量及n（ SiO2）／n（ Al2 O3）对无机矿物聚合物混凝土氯离子渗透性的影响，通过SEM图对试样进行了微观结构形貌观察，试验结果表明：无机矿物混凝土氯离子渗透性能受CaO含量和n（ SiO2）／n（ Al2 O3）变化影响明显，其氯离子电通量值随着CaO含量增加而减小，随着n（ SiO2）／n（ Al2 O3）增大呈现先减小后增大走向。
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