Revit is a powerful building information modelling (BIM) application from Autodesk for designing and modelling structures in three dimensions. Like all building elements, trusses can be constructed in Revit and placed in the structural model. Revit’s power comes from its ability to quantify and label the building elements for testing and cost estimating. This is facilitated by adding parameters to the building elements and creating schedules for material and structural calculations.
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Model the walls and structural columns that will carry the loads transferred by the proposed trusses. Include any elements or spaces that might affect the placement and design of the trusses, such as openings, lighting elements or special room functions.
Create a truss component as a Revit family. Model the structure using mass and void elements, as well as predefined Revit structural families. Add parameters to the truss members or completed truss to calculate materials, loads, mass, etc., and save the family.
Load the family into the Revit project, and place the truss in the proper location. To place multiple of the same truss, select the family, press “Copy,” and create multiple instances. Otherwise, repeat Step 1, and load the other truss families into the Revit project. Revit will help align and space the elements with dimensions and snaps, but you will need to ensure the trusses are placed correctly.
Create three-dimensional views to see the result of trusses on the structure. If you only need to model trusses for architectural perspectives, click the “Render” button in the lower-left corner of the screen. The “Render” feature provides realistic perspective views of the trusses and space.
Press “Create Schedule” in the ribbon menu and follow the given instructions for accurate take-offs and modelling of necessary material and structural calculations. Adding parameters to your model and creating schedules, you can gain a quantitative understanding of the truss elements. Such characteristics such as mass, structural loads and dimensions can be calculated and even exported to a spreadsheet, like Microsoft Excel.
Alter the location or form of the trusses if the structural design is not harmonious with the architectural shell. To change the truss, select the truss, select “Edit Family,” and change the properties or design of the truss. Use tools such as the mass and void elements, and edit any parameters under “Family Properties.”
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