scholarly journals Experimental investigation on the influence of the aspect ratio on the in-plane/out-of-plane interaction for masonry infills in RC frames

2019 ◽  
Vol 189 ◽  
pp. 523-540 ◽  
Author(s):  
Maria Teresa De Risi ◽  
Mariano Di Domenico ◽  
Paolo Ricci ◽  
Gerardo Mario Verderame ◽  
Gaetano Manfredi
Keyword(s):  
Experimental Investigation ◽  
Aspect Ratio ◽  
Masonry Infills ◽  
Rc Frames ◽  
Out Of Plane ◽  
Plane Interaction

Progressive Collapse Analysis of Reinforced Concrete Frames with Unreinforced Masonry Infill Walls considering In-Plane/Out-of-Plane Interaction

2015 ◽  
Vol 31 (2) ◽  
pp. 921-943 ◽  
Author(s):  
Khalid M. Mosalam ◽  
Selim Günay
Keyword(s):  
Reinforced Concrete ◽  
Shear Failure ◽  
Progressive Collapse ◽  
Unreinforced Masonry ◽  
Concrete Frames ◽  
Infill Wall ◽  
Infill Walls ◽  
Rc Frames ◽  
Out Of Plane ◽  
Plane Interaction

Reinforced concrete (RC) frames with unreinforced masonry (URM) infill walls are commonly used in seismic regions around the world. It is recognized that many buildings of this type perform poorly during earthquakes. Therefore, proper modeling of the infill walls and their effect on RC frames is essential to evaluate the seismic performance of such buildings and to select adequate retrofit methods. Using damage observations of RC buildings with URM infill walls from recent earthquakes, this paper presents a new approach to consider in-plane/out-of-plane interaction of URM infill walls in progressive collapse simulations. In addition, the infill wall effect to induce shear failure of columns is simulated with a nonlinear shear spring modeling approach. The research endeavor is accompanied by implementation of the developed modeling aspects in the publicly available open-source computational platform OpenSees for immediate access by structural engineers and researchers.

scholarly journals EXPERIMENTAL INVESTIGATION OF BEHAVIOUR OF MASONRY INFILLED RC FRAMES UNDER OUT-OF-PLANE LOADING

2021 ◽  
Author(s):  
Aleksa Milijaš ◽  
Bogdan Šakić ◽  
Marko Marinković ◽  
Christoph Butenweg ◽  
Sven Klinkel
Keyword(s):  
Experimental Investigation ◽  
Rc Frames ◽  
Out Of Plane ◽  
Infilled Rc Frames ◽  
Masonry Infilled Rc Frames

MASONRY-INFILLED RC FRAMES SUBJECTED TO COMBINED IN-PLANE AND OUT-OF-PLANE LOADING

2014 ◽  
Vol 14 (02) ◽  
pp. 1350066 ◽  
Author(s):  
Y. P. YUEN ◽  
J. S. KUANG
Keyword(s):  
Failure Modes ◽  
Load Capacity ◽  
Cohesive Crack ◽  
Infill Walls ◽  
Masonry Infills ◽  
Rc Frames ◽  
Modes Of Failure ◽  
Force Transfer ◽  
Out Of Plane ◽  
Transfer Mechanisms

The structural responses of infilled frames subjected to combined in-plane and out-of-plane loadings are usually analyzed by separately applying in-plane and out-of-plane loads. The interaction effect of in-plane and out-of-plane loads on the structural behavior of the frames is ignored; thus errors in predicting the actual force-transfer mechanisms and modes of failure of the structures can be incurred. To solve the problem, this paper presents a discrete finite element modeling technique, which employs a damage-based cohesive crack representation of fracture behavior of masonry infills, followed by a study on the force-transfer mechanisms and failure modes of the anchored and unanchored infilled reinforced concrete (RC) frames subjected to interactive in-plane and out-of-plane loads. The analysis indicates that under out-of-plane loading the diagonal compressive thrust of masonry-infill walls, which is induced by in-plane lateral loading and acts on the walls, may reduce the in-plane load capacity of the RC frame by up to 50% and cause buckling of infill walls. On the other hand, the anchorage can effectively prevent the separation of infill walls from the bounding frame and provide stabilizing forces to the walls against buckling.

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