寒冷地区新型砌墙砖试验研究

AN EXPERIMENTAL STUDY ON A NEW WALL-LAYING BRICK USED IN COLD REGIONS

针对自然养护粉煤灰砌墙砖普遍存在的抗冻性能较差，不适合于寒区建筑的特点，通过主要原材料混磨，掺加引气型复合外加剂等有效措施，研制出一种耐久性能强的寒冷地区新型砌墙砖。

In view of the characteristic of the unsuitability of the natural cured wall - laying fly ash bricks for buildingr in cold regions due to their poorer frest - resistance that commonly exists in them, a new type wall - laying brick with a good durability in cold regions is developed and produced by adopting effective measures such as mixed grinding of the principal raw materials, addition of air - entraining type compound admixtures, etc.