【摘要】 南京奥体中心主体育场南北分别设计2个大型拱脚,在南北拱脚之间由396m长预应力地梁连接。本文介绍超长预应力地梁的分区段施工和大吨位预应力张拉。更多还原

【Abstract】 There are 2 large anchor bases at north and south of the main stadium of Nanjing Olympic Sports Center and a 396 meters prestressed ground beam connects these two anchor bases. In this article, authors introduce segmental construction and large-tonnage prestressed tension of this ultra-long prestressed ground beam.=更多还原