The exchange elements contain the objects that need to be exchanged Structural

The exchange elements contain the objects that need

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– The exchange elements contain the objects that need to be exchanged. Structural exchange elements
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Journal of Civil Engineering and Management, 2019, 25(6): 559–575 563 Table 1. Tasks for different activities in the PM of structural design Activity Task S.1 Conceptual structural design − Determine structural type (such as steel structure, concrete structure, and composite structure) according to the description and scope of the building project; − Determine structural system (such as frame structure and shear wall structure) according to the height, function, and structural type of the building project; − Determine spatial arrangement of beams, columns, walls, slabs, and supports according to the structural system of the building project. S.2 Conceptual structural design review − Check the structural type determined at the conceptual design stage, and ensure its validity. S.3 Preliminary structural design − Determine antiseismic requirements; − Determine structural loads; − Determine strength grade of materials; − Determine cross-sectional dimensions of structural components; − Complete the basic selection and preliminary settings; − Build the preliminary design model. S.4 Preliminary structural design review − Check the rationality of antiseismic information, load information, and member section at the preliminary design stage; − Check structural layout at the preliminary design stage. S.5 Detailed structural design Based on the preliminary design model, the structural engineer builds the detailed model in terms of detailed information at this stage: − For the steel structure, structural joints between components and local stiffening measures are designed in detail after selecting the section of stressed members; − For the concrete structure, when determining the section of members, member reinforcements and local structure measures need to be identified. A large number of structural joints in the building project are designed in detail. S.6 Detailed structural design review − Check the detailed structural model and related drawings, and review the validity of reinforcements and structural joints. S.7 Structural model for BIM collaboration − Deliver the structural model for BIM collaboration between multiple disciplines. Table 2. Process specification in detailed structural design Detailed structural design (S.5) Task Based on the preliminary design model, the structural engineer builds the detailed model in terms of detailed information at this stage: − For the steel structure, structural joints between components and local stiffening measures are designed in detail after selecting the section of stressed members; − For the concrete structure, when determining the section of members, member reinforcements and local structure measures need to be identified. A large number of structural joints in the building project are designed in detail.
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