RESEARCH ARTICLE


Practical Nonlinear Analysis for Limit Design of Reinforced Masonry Walls



Andres Lepage*, Reynaldo E. Sanchez
The Pennsylvania State Uni-versity, 104 Engineering Unit A, University Park, PA, 16802, USA.


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Creative Commons License
© 2012 Lepage and Sanchez;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the The Pennsylvania State Uni-versity, Department of Architectural Engineering, 104 Engineering Unit A, University Park, PA, 16802, USA; el.: +18148653013; Fax: +18148634789; E-mail: lepage@psu.edu


Abstract

Two modeling techniques for practical nonlinear static analysis are implemented to support the development and usage of a new Limit Design method for special reinforced masonry shear walls. The new seismic design alternative is under consideration for future versions of the building code requirements for masonry structures in the U.S.

The proposed simplified models were applied to a planar one-story wall with two openings and the relevant output data from nonlinear static analyses were compared to the output from a refined computer model. Results of the comparison in-dicate that the proposed models were sufficiently accurate in determining the usable base-shear strength of the perforated wall.

Keywords: Displacement-based design, limit analysis, pushover, seismic design, shear walls, yield mechanism.