The total height of Building A of the Shanghai Jinqiao Guopei research and development project is 99 meters,with a total of 21 floors.The podium building is located below the 4th floor,and there are no columns between the 4th and 5th floors.The 5th to 20th floors are all suspended on the roof truss set on the upper part of the core tube,making it the largest single suspension structure in China.The reverse construction method to be adopted was introduced in detail,including the construction process of 50 steps in three stages:roof truss lifting,suspended floor lifting and floor slab pouring.The simulation analysis of the whole process was carried out,and the influence of the construction process on the displacement and stress of key parts was calculated and evaluated,including the displacement change of the connection point of the suspension column of the roof truss,the displacement change of the core tube and floor beam of each floor,the internal force change of the key parts of the roof truss,the importance of setting post cast strips of the floor slab,and the influence of wind load on the structure in extreme weather during the construction process.The wind prevention measures in the construction process were put forward.
suspension high-rise buildingconstruction simulation analysispre-adjustment skill of the structurewind prevention measure