In-plane flexural behavior of autoclave aerated concrete confined masonry walls

Author(s):  
J.A. Moreno-Herrera ◽  
J.L. Varela-Rivera ◽  
L.E. Fernandez Baqueiro
2018 ◽  
Vol 115 (5) ◽  
Author(s):  
Jorge Varela-Rivera ◽  
Luis Fernandez-Baqueiro ◽  
Rodrigo Alcocer-Canche ◽  
Jose Ricalde-Jimenez ◽  
Ricardo Chim-May

2019 ◽  
Vol 35 (1) ◽  
pp. 405-422 ◽  
Author(s):  
Jorge Varela-Rivera ◽  
Luis Fernandez-Baqueiro ◽  
Jose Gamboa-Villegas ◽  
Adda Prieto-Coyoc ◽  
Joel Moreno-Herrera

Results of a study on the flexural behavior of confined masonry walls are presented. Six walls were tested in a laboratory under reverse cyclic loads. The variables studied were the wall aspect ratio and wall axial compressive stress. The behavior of walls was characterized by yielding of the longitudinal steel reinforcement of vertical confining elements followed by vertical and diagonal cracks on the masonry panel. The failure of walls was associated with crushing concrete of vertical confining elements. Flexural strength increased as the wall aspect ratio decreased or the wall axial compressive stress increased. The flexural strength of walls was validated using flexural theory. A displacement ductility capacity of 6 and a drift ratio capacity of 1% were proposed for the walls. A hysteretic model based on four parameters was calibrated. This model represented well the flexural behavior of the studied walls.


2017 ◽  
Vol 20 (11) ◽  
pp. 1632-1643 ◽  
Author(s):  
Masoud Amouzadeh Tabrizi ◽  
Masoud Soltani

This article focuses on the experimental and analytical investigations of masonry walls surrounded by tie-elements under in-plane loads. The experimental results of an unconfined and a confined masonry wall, tested under reversed cyclic lateral loads, are presented. For numerical study, a micro-modeling strategy, using smeared-crack-based approach, is adopted. In order to validate the numerical approach, experimental test results and data obtained from the literature are used, and through a systematic parametric study, the influence of adjoining walls and number of tie-columns on the seismic behavior of confined masonry panels is numerically assessed and a simple but rational method for predicting the nonlinear behavior of these structures is proposed.


2016 ◽  
Vol 142 (2) ◽  
pp. 04015126 ◽  
Author(s):  
Joel Moreno-Herrera ◽  
Jorge Varela-Rivera ◽  
Luis Fernandez-Baqueiro

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