Bi‐directional collapse fragility assessment by DFEM of unreinforced masonry buildings with openings and different confinement configurations

2021 ◽  
Author(s):  
Trissa Deb ◽  
Terry Y. P. Yuen ◽  
Dongkeun Lee ◽  
Rudhra Halder ◽  
Young‐Chan You
Keyword(s):  
Unreinforced Masonry ◽  
Masonry Buildings

scholarly journals In-situ seismic verification of non-structural components of unreinforced masonry buildings

2017 ◽  
Vol 19 (1) ◽  
pp. 44-58 ◽  
Author(s):  
Hossein Derakhshan ◽  
Wade D. Lucas ◽  
Michael C. Griffith
Keyword(s):  
Unreinforced Masonry ◽  
Masonry Buildings ◽  
Structural Components

The Whittier Narrows, California Earthquake of October 1, 1987—Preliminary Evaluation of the Performance of Strengthened Unreinforced Masonry Buildings

1988 ◽  
Vol 4 (1) ◽  
pp. 197-212 ◽  
Author(s):  
T. A. Moore ◽  
J. H. Kobzeff ◽  
J. Diri ◽  
C. Arnold
Keyword(s):  
Los Angeles ◽  
Case Studies ◽  
Unreinforced Masonry ◽  
Preliminary Evaluation ◽  
Masonry Buildings ◽  
Plane Shear ◽  
Hazard Reduction ◽  
Out Of Plane ◽  
Shear Failures ◽  
Bending Failure

This report presents preliminary case studies of the performance of selected unreinforced masonry buildings during the Whittier Narrows Earthquakes. Attention is focused on buildings located in the downtown Los Angeles area which have been rehabilitated to conform with the Los Angeles hazard reduction Ordinance. There was no life loss or major injuries attributed to the response of unreinforced masonry buildings to the earthquakes. However, there was a significant number of both rehabilitated and non-strengthened buildings for which masonry peeled off upper story walls. This was mainly due to separation of the outer whythe of brick, or out-of-plane bending failure, and/or in-plane shear failures of wall piers, particularly at building corners. The falling bricks associated with these failures did present an injury hazard so it is important to investigate economical measures to minimize these hazards in future earthquakes.

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