Too big utilization ratio for truss chord with correctly defined steel design parameters in Robot Structural Analysis

Autodesk Support

Oct 8, 2023

Products and versions covered

Issue:

Too big utilization ratio for truss chord with correctly defined steel design parameters in Robot Structural Analysis.

Causes:

Truss supports not defined in nodes common for chord and diagonals. This type of supports results in significant bending moment in truss chord segments.
Example.
image.png
 
 

Solution:

Redefine truss supports. Define supports in diagonal end nodes (common for diagonal and truss chord). It reduces bending moments in truss chord.
image.png
 

Products:

Robot Structural Analysis Professional;

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