Fatigue Behavior of Steel Connection Angles

by Xong X. Wang, Purdue Univ, United States,
Mark D. Bowman, Purdue Univ, United States,

Document Type: Proceeding Paper

Part of: Structural Materials


A method for predicting the fatigue behavior of flange angle elements is presented. The primary emphasis herein concerns an analytical approach for evaluating the fatigue life of flange angles used in top-and-seat angle beam-column steel connections. A finite element analysis was performed to evaluate the cyclic stress-strain distribution of the flange angles. Multiaxial fatigue theories were applied to evaluate the fatigue behavior of flange angles by incorporating the results of the finite element analysis. A number of experimental flange angle fatigue test results are presented for comparison with the analytical model.

Subject Headings: Fatigue (material) | Structural behavior | Steel | Connections (structural) | Steel structures | Beam columns | Finite element method | Fatigue tests

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