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分析了建筑工地现场拌制混合砂浆中存在的问题，介绍了国外配制干拌砂浆的方法。结合国情，研制了性能良好的粉煤灰干拌砂浆粉。试验结果表明：采用粉煤灰干拌砂浆粉，不仅砂浆满足砌筑要求，而且充分利用粉煤灰，保护环境，砂浆的成本还大幅度降低。
The problems existing in mixing mortar on the site of construction site were analyzed, and the methods of preparing dry mortar in foreign countries were introduced. Combined with national conditions, developed a good fly ash dry mortar powder. The test results show that the use of fly ash dry mortar powder not only satisfies the masonry requirements for mortar, but also fully utilizes fly ash to protect the environment and the cost of mortar is greatly reduced.