目前,各地农房建筑中,出现了一大批混凝土平板屋面。这种屋面有的用作晾晒农作物,有的用于将来加层。但这些建筑多有沿墙产生裂缝、跨中产生下垂、屋面漏雨等问题,影响正常使用,有的甚至危及房屋安全。究其原因,大致有以下几种。 At present, a large number of concrete flat roofs have emerged in various rural housing buildings. Some of these roofs are used for drying crops, and some are used for adding layers in the future. However, these buildings have many problems such as cracks along the wall, sagging across the middle, roof leakage, and other problems that affect normal use, and some even endanger the safety of the house. The reasons are roughly the following.