/" i

~j " = 1/450


FIGURE 5.24 Configuration and load condition of Vogel's six-story frame for verification study.

are less than 1%. Explicit imperfection modeling and the equivalent notional load method under-predict lateral displacements by 3%, and the further reduced tangent modulus method shows a good agreement in displacement with the Vogel's exact solution. Vogel's frame is a good example of how the reduced tangent modulus method predicts lateral displacement well under reasonable load combinations.

h/b >1.2
0 0

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