Strength domains and return algorithm for the lumped plasticity equivalent frame model of masonry structures

2015 ◽  
Vol 91 ◽  
pp. 167-181 ◽  
Author(s):  
Domenico Liberatore ◽  
Daniela Addessi
Keyword(s):  
Masonry Structures ◽  
Frame Model ◽  
Equivalent Frame ◽  
Return Algorithm ◽  
Lumped Plasticity

Spandrel panels in masonry buildings: Effectiveness of the diagonal strut model within the equivalent frame model

Structures ◽  
2020 ◽  
Vol 27 ◽  
pp. 879-893 ◽  
Author(s):  
Antonio Sandoli ◽  
Christian Musella ◽  
Gian Piero Lignola ◽  
Bruno Calderoni ◽  
Andrea Prota
Keyword(s):  
Masonry Buildings ◽  
Frame Model ◽  
Equivalent Frame

Damping System Design for Apartment Buildings Using Equivalent Frame Model

2014 ◽  
Vol 26 (3) ◽  
pp. 351-360
Author(s):  
Jong-Ho Kim ◽  
Myoung-Kyu Lee ◽  
Young-Soo Chun ◽  
Dong-Chul Lee
Keyword(s):  
System Design ◽  
Frame Model ◽  
Apartment Buildings ◽  
Equivalent Frame

An Equivalent Frame Model for Seismic Analysis of Existing Masonry Building

2011 ◽  
Vol 255-260 ◽  
pp. 2478-2482
Author(s):  
Qi Wang Su ◽  
Yang Xia ◽  
Shi Chun Zhao
Keyword(s):  
Dynamic Analysis ◽  
Seismic Design ◽  
Limit State ◽  
Safety Margin ◽  
Incremental Dynamic Analysis ◽  
Masonry Building ◽  
Frame Model ◽  
Seismic Design Code ◽  
Significant Damage ◽  
Equivalent Frame

Collapse safety is the most important objective of performance-based seismic design. Buildings should have enough safety margin to avoid collapse during severe or mega earthquake. However, current Chinese seismic design code does not have explicit design specification or quantitative evaluation for collapse-resistant capacity. Take a two-story masonry building as an example, an equivalent frame model for pushover and incremental dynamic analysis are established, and the comparison are also studied. In addition, the fragility curves can also be obtained. The analysis results show that the results of plastic hinge mainly appear in ground floor wall between windows and doors. Moreover, the analysis result has good uniformity with seismic damage. Judging from the failure mechanism, pushover and incremental dynamic analysis have very good similarity. In addition , they show elastic deformation is very small and brittleness is very apparent of the masonry building.Seismic vulnerability analysis shows that the significant damage and the near collapse curves are very close to each other .This mean that , once the significant damage limit state is reached ,only small PGA increments are need for reaching the near collapse limit state.

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