Metric Tutorials - Autodesk

42 Press DELETE.
43 Close the Warning dialog that indicates the selected flange is pinned.
44 Using the same method, delete the flange on the opposite end of the same truss, and repeat for
the remaining trusses.
45 Click File menu ➤ Close.
You can save the open file if you wish. In the next exercise, a new training file is supplied.
46 Proceed to the next exercise, Customizing Truss Parameters on page 570.
Customizing Truss Parameters
In this exercise, you create a custom truss for both the short and long spans by modifying the truss type
parameters.
Training File
■ Click File menu ➤ Open.
■ In the left pane of the Open dialog, click Training Files, and open
Metric\m_RST_Customize_Truss_Parameters.rvt.
Create a new truss type for the short span
1 On the Basics tab of the Design Bar, click Truss.
2 In the Type Selector, select M_Howe Flat Truss: Standard.
3 On the Options Bar, click .
4 In the Element Properties dialog, click Edit/New.
5 In the Type Properties dialog, click Duplicate.
6 In the Name dialog, enter M_Howe Flat Truss - Short Span, and click OK.
7 In the Type Properties dialog, do the following:
■ Under Vertical Webs, for Structural Framing Type, select M_HSS-Hollow Structural Section:
HSS203.2X203.2X9.5.
■ Under Diagonal Webs, for Structural Framing Type, select M_HSS-Hollow Structural Section:
HSS203.2X203.2X9.5.
■ Under Bottom Chords, for Angle, enter 90.
■ Click OK.
570 | Chapter 18 Truss Building