Investigación de interacción entre paredes de mampostería no reforzada y pórticos dúctiles resistentes a flexión.

Abstract

This undergrad Thesis, exploratory in nature, studies infill masonry walls (IMW) in special moment resisting frames (SMRF) with variable dimension and properties. The combined IMW-SMRF was subject to static nonlinear analysis (Pushover) for 2D regular frames, such as to simulate structures that do not have torsion effects, with the objective of evaluating the relevance and consequence of ignoring participation of unreinforced IMW in the design of ductile frames resistant structures. To demonstrate the effect produced by considering participation of IMW in SMRF seismic performance, FEMA 356 document was used as a guide and SAP2000 as software to model IMW as equivalent compressive diagonal strut, using its main mechanical characteristics. Analysis show variation in the performance levels for the IMW – SMRF system selected, and the stiffness degradation process from elastic behavior thru nonlinear failure and a criterion of energy transfer from IMW to SMRF.