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门窗侧壁空鼓是工程质量中最常见的通病,往往在工程即将竣工时,发现大量门窗侧壁出现空鼓,从而造成返工。门窗侧壁为什么容易空鼓呢?经分析主要有以下几点原因。 1.门窗侧的面积窄小(一般宽不超过8cm),抹灰前,基层清理不洁净,湿润不透(所有门窗洞口都是通风口,湿润后干得较快)。这样,抹灰后易出现裂纹或脱落,造成空鼓。 2.一般门窗侧壁需用木尺杆找直,抹灰时抹子搁不进去,因怕碰歪尺杆,不敢用力抹压,操作起来很不方便,使抹
Hollowing of windows and doors is the most common problem in project quality. When the project is about to be completed, it is found that a large number of doors and windows are empty, causing rework. Why is the door and window sidewall easy to empty? Analysis has mainly the following reasons. 1. The area on the door and window side is narrow (generally not more than 8cm wide). Before plastering, the grassroots floor is unclean and not wet (all doors and windows are vented, and they dry faster when wet). In this way, after the plaster is easy to crack or fall off, resulting in hollowing. 2. The general door and window side walls need to be straightened with a wooden ruler rod. When the plaster is applied, the trowel cannot be put in. Because of fear of touching the ruler rod, it is not possible to apply pressure and it is inconvenient to operate.