ABSTRACT
The roof structure of Haikou New Seaport Passenger Terminal adopts the structure form of the steel grid and truss, and the roof construction adopts the construction technology of segmental lifting. Given the complexity of structural lifting construction, a one-time check of the calculation analysis of the forming load in the design stage cannot meet the requirements of the construction process. This paper examines and analyses the structural lifting and assembling process. Based on the checking results, the components with a higher stress ratio than the benchmark are replaced, and after the replacement, the structural assembling construction is simulated and analyzed. The results show that the structural stress and displacement in the construction process meet the specification requirements, making the construction scheme feasible. At the same time, the monitoring scheme for construction stress and displacement is determined based on the simulation analysis results, and the stress and the deformation state of the structure in the construction process are obtained. By comparing the monitoring results with the finite element analysis results, the results show that the monitoring results are smaller than those of the finite element analysis, and the causes of the results are analyzed. Based on the monitoring results, some suggestions for the construction of long-span steel structures are put forward.
