随着我国墙体材料改革的逐步深入，普通烧结粘土实心砖的应用越来越受到限制，而粉煤灰砌块等新型墙体材料的使用则越来越广泛。使用粉煤灰砌块，减轻了墙体重量，提高了砌筑速度，使工业废渣得到合理利用，具有较好的经济效益和社会效益。但是，粉煤灰砌块墙体粉刷层空鼓开裂 With the gradual deepening of the reform of China’s wall materials, the application of ordinary sintered clay solid bricks is increasingly restricted, and the use of new types of wall materials such as fly ash blocks is increasingly widespread. The use of fly ash blocks reduces the weight of the wall, improves the speed of the masonry, and makes the industrial waste slag reasonably utilized. It has good economic and social benefits. However, fly ash block wall painting layer empty crack