深圳赛格广场是一幢现代化、多功能、智能型的超高层建筑,其地面以上70层,主体高度280m,四层地下室深19.95m,总建筑面积160 160m~2,占地9 655m~2,基坑开挖深度20m,工程剖面图详见图1.这是我国首座由中国人自己投资、自己设计、自己制造安装和管理的超高层钢结构建筑,也是目前世界上最高的钢管混凝土结构的建筑. Shenzhen SEG Plaza is a modern, multi-functional and intelligent super high-rise building with 70 floors above ground, 280m in height, 19.95m in depth in a four-storey basement, a total construction area of ​​160 160m~2, and an area of ​​9 655m~2. The excavation depth of the foundation pit is 20m. The profile of the project is shown in Figure 1. This is the first high-rise steel structure building in China that is invested by the Chinese themselves, designed by oneself, built, installed and managed by ourselves, and is the highest concrete structure in the world today. building.