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本文力图从合成氯氧镁水泥的纯相入手,研究浆体的基本水化相及其相变规律。研究表明,用正确的配比,采用人工合成的方法,可以得到氯氧镁水泥的基本水化相,即5·1·8和3·1·8,并指出了这两种水化相的变化规律。采用不同浓度的MgCl_2溶液配制的氯氧镁水泥浆体,其水化相主要是5·1·8和Mg(OH)_2,采用半定量的计算方法,可以得到这两种水化相之比与浆体强度的对应关系,因而正确选择水化相的比例,可以获得最佳强度的水泥浆体。
This article attempts to start from the pure phase of synthetic magnesium oxychloride cement and study the basic hydration phase and phase transformation law of the slurry. Studies have shown that the basic hydration phase of magnesium oxychloride cement can be obtained with the correct proportioning and artificial synthesis method, ie, 5·1·8 and 3.1·8, and the two hydration phases are pointed out. The law of change. The magnesium oxychloride cement slurries prepared with different concentrations of MgCl 2 solution have mainly hydration phases of 5·1·8 and Mg(OH)_2. The semi-quantitative calculation method can be used to obtain the ratio of the two hydration phases. With the corresponding relationship with the pulp strength, the proportion of the hydration phase can be correctly selected to obtain the best strength cement slurry.