ASSESSMENT OF THE LATERAL STIFFNESS OF WALLS WITH OPENINGS

Abstract eng:
Approximations obtained with different simplified methods to assess the elastic lateral stiffness of walls with openings are compared to results obtained with the finite element method using reasonably fine meshes. Multistory walls were studied, considering symmetric and asymmetric distribution of openings with respect to a vertical axis. From the obtained results it can be observed that for a single strip of asymmetric perforated walls, the best approximations are obtained using the equivalent frame method more commonly used in Mexico, the method proposed by Coull and Choudhury, as well as the method baptized as the equivalent no prismatic wide column analogy, particularly as the number of stories of the wall increases.

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