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Influence of Common Rice Husk Ash on Cement Mortar Strength
Author(s): 
Pages: 16-17,30
Year: Issue:  1
Journal: Research & Application of Building Materials

Keyword:  水泥胶砂强度掺合料稻壳灰替代率;
Abstract: 通过等量替代法,研究了普通烧制稻壳灰等量替代水泥后对水泥胶砂强度的影响.结果表明,普通烧制稻壳灰替代率为2%时,试件28 d抗折强度和抗压强度均高于空白胶砂试件,表明掺入少量的稻壳灰有一定的增强作用;稻壳灰替代率为4%时,对胶砂试件的强度影响不明显;稻壳灰替代率>8%时,胶砂强度降低幅度较大.将普通烧制稻壳灰以低替代率应用于水泥混凝土中是可行的.
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