长沙南站进站大厅和高架层候车大厅吊顶面积大、高度高、工期紧张、施工难度大。通过方案比选,确定采用高大空间吊顶单元式安装技术方案,整个施工过程不需搭设脚手架,提升设备轻便,可多点大面积施作,效率高,同时不影响地面工程施工。结果证明,该技术方案能有效降低成本,保证工程质量,缩短工期。 Changsha South Station into the lobby and elevated lobby waiting hall ceiling area of ​​?? large, high, tight construction period, construction of large. Through the program comparison and selection, to determine the use of high-ceiling unit installation technology solutions, the entire construction process without erecting scaffolding to enhance the equipment lightweight, can be more large-scale implementation, high efficiency, without affecting the ground construction. The results show that the technical solutions can effectively reduce costs, ensure project quality and shorten the construction period.