随着农村经济的发展 ,农民建房的积极性很高 ,但因缺乏专业人员的设计指导 ,只是由当地的瓦工或农民自行设计建造 ,因此 ,质量问题较多 ,特别是悬臂板结构 ,经常会出现挑檐板根部开裂 ,阳台、雨篷等悬臂板折断 ,甚至倾覆等重大质量安全事故 ,造成人员的伤亡和经济损失。案例一 With the development of the rural economy, peasants have a high level of enthusiasm for housing construction. However, due to the lack of professional design guidance, they are only designed and built by the local bricklayers or peasants. Therefore, there are many quality issues, especially cantilever structures, which often Cracks in the roots of provocation boards, breakable canopies such as balconies and awnings, and even overturning and other major quality and safety accidents caused casualties and economic losses. Case number one