某高层办公楼屋顶大空间楼层内加层结构设计与施工

为满足某高层办公楼的使用功能要求,需在其屋顶大空间楼层内增设1个大跨度的办公用夹层,根据可行性鉴定结论,经结构整体和局部计算分析,加层设计时合理采用了钢-混凝土组合结构技术,并对原结构构件和新、旧结构连接节点等进行了可靠的综合性加固,很好地满足了该办公楼的改造要求.

Structure Design and Construction for Indoor Adding-storey in Large Space at the Top Floor of a High-rise Office Building

To meet the demands of high-rise office building’s service function,a large span indoor office adding-storey is needed on the top floor of a high-rise office building.According to the appraisement conclusion of adding-storey feasibility,through calculation and analysis of the whole and partial structure,steel-concrete composite structure is applied reasonably in adding-storey structure design.Meanwhile reliable technologies is adopted comprehensively for reinforcement of the original structural components as well as the connection joints between new and original structure.Thus requirements of the building’s reconstruction is realized very well.