Furthermore, the air - bubble parameters were analyzed, which indicates that MPB mortar and concrete can also obtained reasonable air - bubble structure by chemical reactions.

• 此外，还对MPB材料的气泡结构进行了分析，结果显示MPB材料通过化学引气同样可以获得良好的气泡结构参数，起到与物理引气一样的抗冻或抗盐冻效果。