姜利民　翁家杰

　　摘要　在菱镁混凝土中添加含活性SiO2的材料，如粉煤灰和沸石粉，来提高制品的耐水性和强度.运用正交试验分析手段，找出了添加材料对制品性能的影响程度.试验证明粉煤灰的掺入对提高制品的性能有显著作用，按此一定配比生产出了性能改进的菱镁混凝土矿用背板.进一步分析表明，随粉煤灰品质的改善，将能得到性能更加优异的菱镁混凝土制品.
　　关键词　菱镁混凝土，粉煤灰，沸石粉，正交试验，强度，耐水性
　　中图分类号　TU　528

Research on Properties of Magnesium Oxychloride
Concrete with Active SiO2 Materials

Jiang Limin　Weng Jiajie
( College of Architecture and Civil Engineering, CUMT, Xuzhou, Jiangsu 221008 )

　　Abstract　Materials containing active SiO2 such as fly ash and zeolite powder added to magnesium oxychloride concrete, can make its strength and water resistance much better. Orthogonal test analysis has been employed to find out the degree of influence of the materials containing active SiO2 on the magnesium oxychloide concrete. Experiments have shown that the properties of magnesium oxychloride concrete are remarkably enhanced by adding fly ash into it. According to this formula the mining back boards with improved properties are produced. Further analysis has indicated that with the enhancement of the fly ash quality, magnesium oxychloride concrete products with better properties can be produced.
　　Key words　magnesium oxychloride concrete, fly ash, zeolite powder, orthogonal test, strength, water-resistant

　　

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