摘要：【中文】本发明涉及装配式钢结构建筑技术领域，具体涉及一种装配式钢结构主体与二次结构的连接方法，包括：利用BIM模型搭建装配式钢结构主体模型和二次结构模型，并确定预制连接件在所述钢结构主体模型上的相应位置；根据建模结果加工所述装配式钢结构主体的构件和所述二次结构，并将所述预制连接件焊接在所述装配式钢结构主体的构件的相应位置；在施工现场将钢筋与所述预制连接件连接后，再将所述二次结构通过所述钢筋完成与所述装配式钢结构主体的连接。本发明提供了一种避免影响钢结构主体的力学性能，且施工效率高，成本低的装配式钢结构主体与二次结构的连接方法。 【EN】The invention relates to the technical field of assembly type steel structure buildings, in particular to a method for connecting an assembly type steel structure main body with a secondary structure, which comprises the following steps: building an assembly type steel structure main body model and a secondary structure model by using a BIM model, and determining the corresponding position of a prefabricated connecting piece on the steel structure main body model; processing the member of the assembly type steel structure main body and the secondary structure according to a modeling result, and welding the prefabricated connecting piece at the corresponding position of the member of the assembly type steel structure main body; and after connecting the reinforcing steel bars with the prefabricated connecting piece on a construction site, finishing the connection of the secondary structure and the assembled steel structure main body through the reinforcing steel bars. The invention provides a method for connecting an assembled steel structure main body and a secondary structure, which avoids influencing the mechanical property of the steel structure main body, and has high construction efficiency and low cost.