Frames with centered bar triangulations
Steel earthquake-resistant constructions - Within the Eurocode 8 context
Article REF: C2559 V1
Frames with centered bar triangulations
Steel earthquake-resistant constructions - Within the Eurocode 8 context

Author : André PLUMIER

Publication date: November 10, 2009, Review date: April 15, 2015 | Lire en français

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4. Frames with centered bar triangulations

4.1 Context

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4.1.1 Cyclic behavior of a triangulated mesh

The behavior of triangulated meshes subjected to cyclic action corresponding to an earthquake makes it difficult to define simple analysis methods:

  • in the elastic domain, the compressed and tensioned diagonals contribute to the mesh's stiffness and strength;

  • but, after initial buckling, the behavior of a compressed diagonal deteriorates in both stiffness and strength (see figure...

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