建筑工程施工中,为了施工方便,一般在墙体砌筑时留设几处施工洞口。在堵砌施工洞口时,如果处理不当,常常会出现洞口与周边连接处抹灰层开裂的现象。为彻底解决这一质量通病,首先要找出其造成抹灰开裂的原因,进而采取行之有效的预防措施。1.原因分析(1)在主体砌筑留设施工洞口时,有的没留设阳槎;有的虽留设了阳槎,却没留设墙体拉结筋或 During the construction of a building project, several construction holes are generally reserved for the construction of the wall for ease of construction. When plugging a construction hole, if it is handled improperly, there will often be cracking of the plaster layer at the junction of the hole and the surrounding area. In order to completely solve this common problem, we must first find out the cause of plaster cracking, and then take effective preventive measures. 1. Analysis of Causes (1) When the main building was left as a workman’s facility, some did not have Yangshuo; some stayed in Yangshuo but did not leave a wall to pull the knot or