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Example Description

The various types of frame temperature loads that can be modeled in SAP2000 are tested in this example using a cantilever beam and a propped cantilever beam. The beam is a 2 inch wide by inch deep rectangular section.
In SAP2000, three types of temperature loads can be applied on a frame element: an overall change in temperature; a temperature variation along the element length in the local 1 direction; and a temperature gradient perpendicular to the element length (local 2 or 3 directions).
For this example, each of these types of temperature loads is applied separately to both the cantilever beam and the propped cantilever beam. The free-end displacements in the cantilever beam model and the end reaction in the propped cantilever beam model are compared to independent hand calculated results.
Important Note: Shear deformations are ignored in this analysis. In SAP2000 this is achieved by setting the property modification factor for shear to 0.

Tested Features

• The specification of 
  • Joint patterns
• The application of 
  • Temperature increase 
  • Transverse temperature gradient 
• The calculation of 
  • Displacements in free expansion 
  • Reaction forces in restrained cases caused by temperature loads

Results Comparison

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