偏高岭土砂浆耐久性研究Study on Durability of Metakaolin Mortar
刘兴平;丁华柱;都增延;陈源伟;周白露;
摘要(Abstract)：
偏高岭土组成稳定,来源广泛,作为水泥混凝土矿物掺合料,其火山灰活性可以与硅灰相当,因此采用偏高岭土来制备高性能混凝土的潜力巨大。该试验研究了0%、10%和30%三种偏高岭土掺量下的水泥胶砂试件在盐酸侵蚀和硫酸盐侵蚀两种侵蚀环境下的耐久性和抗压强度、抗折强度。结果表明:当偏高岭土掺量为10%时,能够显著提高水泥混凝土的耐久性和抗压强度、抗折强度,特别是抗硫酸盐侵蚀性能;而偏高岭土掺量达到30%时,其改善效果反而不及10%掺量。
关键词(KeyWords)： 偏高岭土;酸侵蚀;硫酸盐侵蚀;火山灰质材料;混凝土耐久性
基金项目(Foundation):
作者(Author): 刘兴平;丁华柱;都增延;陈源伟;周白露;
Email:
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