所谓抹灰层表面的收缩裂缝，是指墙体表面的抹灰出现的一些不规则的像蜘蛛网状的裂纹。这类裂纹的宽度和深度特别小，裂纹没有完全裂透的，只是抹灰层的表面出现。

　　The so-called shrinkage cracks on the surface of the plaster layer refer to some irregular spider like cracks that appear on the plaster surface of the wall. The width and depth of these cracks are particularly small, and the cracks have not completely penetrated, only appearing on the surface of the plaster layer.

　　原因分析

　　Root cause analysis

　　①抹灰层表面出现很多不规则裂缝，最常见的一个原因就是，墙体抹灰的基层含水率过低，也就是基层太干燥。正常情况下，应该在抹灰之前的墙体浇水湿润。

　　① There are many irregular cracks on the surface of the plaster layer, and the most common reason is that the moisture content of the base layer of the wall plaster is too low, that is, the base layer is too dry. Normally, the wall should be moistened with water before plastering.

　　②墙体的抹灰有或没有及时的洒水养护。抹灰层一般都是很薄的，所以里面的水泥砂浆的水分很容易丢失。因此要求抹灰完成以后必须使用洒水的机器的对表面喷水，保持去湿润，养护的时间不能少于一周。

　　② The plastering of the wall has or has not been timely watered for maintenance. The plaster layer is usually very thin, so the moisture in the cement mortar inside is easily lost. Therefore, it is required to use a watering machine to spray water on the surface after plastering is completed, to keep it moist, and the curing time should not be less than one week.

　　处理方法

　　treatment method

　　①可以采取在抹灰层的表面挂玻纤网进行修复。对于裂缝的部位直接挂一层玻纤网，然后使用抹面胶浆之类的材料进行修复。

　　① Fiberglass mesh can be hung on the surface of the plaster layer for repair. Hang a layer of fiberglass mesh directly on the crack area, and then use materials such as plaster to repair it.

　　②还可以采取在拼腻子的时候挂网来防止开裂。因为这时抹灰层的开裂并不严重，所以只要做好了防止腻子开裂的措施就可以了。

　　② You can also hang a net when applying putty to prevent cracking. Because the cracking of the plaster layer is not severe at this time, as long as measures are taken to prevent cracking of the putty, it is sufficient.

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