问题 单项选择题

在建筑工程中,水玻璃的应用范围,何者不正确

A.用于涂料
B.耐酸砂浆及耐酸混凝土
C.防水砂浆及防水混凝土
D.用于灌浆材料

答案

参考答案:C

解析: 水玻璃的主要应用是:涂刷材料表面,提高抗风化能力;配制速凝防水剂;配制水玻璃矿渣砂浆用于对砖墙裂缝的粘接和补强;与氯化钙溶液配合用于土壤加固;配制耐酸砂浆及耐酸混凝土;配制耐热砂浆及耐热混凝土;由于水玻璃硬化后不耐碱、不耐水,因此不宜用来配制防水砂浆及防水混凝土。

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