CHAPTER 12

APPROXIMATE ANALYSIS OF STATICALLY INDETERMINATE STRUCTURES

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The portal frame of this bridge must resist the lateral loads caused by traffic and wind. Because this frame is statically indeterminate, an approximate analysis can be made of the loadings to design the members, before a more exact structural analysis is considered.

CHAPTER OBJECTIVE

  • To show how to obtain the approximate forces in a statically indeterminate truss, and in frames subjected to both vertical and lateral loads.
12.1 USE OF APPROXIMATE METHODS

As we have seen in the previous three chapters, when a model is used to represent any ...

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