北京五洲大酒店东楼混凝土结构加固改造技术

Strengthening and Rebuilding Technology for Concrete Structure of the East Building of Beijing Continental Grand Hotel

结合北京五洲大酒店东楼结构改造工程 ,介绍了混凝土结构整体扩大断面法加固设计和施工技术。在钢筋植筋、抗震墙加固和洞口处理、预应力。

Combining with the structure rebuilding project of the east building of Beijing Continental Grand Hotel, authors introduce the strengthening design and construction technology of the integral enlarging cross\|section method for concrete structures. They detail such techniques as planting reinforcement bars, reinforcing earthquake\|resistance walls, prestressing, removing large indoor load\|carrying members and dynamic monitoring and so on. They also provide the theoretical calculation methods and practical construction experience of the depth of planted reinforcement bar, the reinforcement of strengthening columns, and temporary rigid supports and so forth.