目前随着国民经济的发展,各地均出现了体量大、投资多、标准高的高层建筑,有时为了功能的需要和解决高层主体与裙房间的沉降差异。钢筋混凝土的收缩变形以及混凝土的温度应力等问题,往往在现浇混凝土结构中,引入后浇带的施工,是最近几年结构设计和施工中的一项新生事物。为了做好 At present, with the development of the national economy, high-rise buildings with large volumes, many investments, and high standards have emerged in various places, sometimes for functional needs and to resolve settlement differences between high-level main bodies and skirt rooms. The shrinkage deformation of reinforced concrete and the temperature stress of concrete are often introduced in the construction of cast-in-situ concrete, and it is a new thing in structural design and construction in recent years. In order to do