Memorias de investigación
Communications at congresses:
Low-Cost Retrofitting Solutions For RC Frames Using Masonry Infill Panels
Year:2012
Research Areas
  • Engineering
Information
Abstract
Vulnerable to strong ground motions. Structures in developing countries need low-cost seismic retrofit solutions to reduce their vulnerability. This paper investigates the feasibility of using masonry infill walls to reduce deformations and damage caused by strong ground motions in brittle and weak RC frames designed only for gravity loads. A numerical experiment was conducted in which several idealized prototypes representing RC frame structures of school buildings damaged during the Port-au-Prince earthquake (Haiti, 2010) were strengthened by adding elements representing masonry infill walls arranged in different configurations. Each configuration was characterized by the ratio Rm of the area of walls in the direction of the ground motion (in plan) installed in each story to the total floor area. The numerical representations of these idealized RC frame structures with different values of Rm were (hypothetically) subjected to three major earthquakes with peak ground accelerations of approximately 0.5g. The results of the non-linear dynamic response analyses were summarized in tentative relationships between Rm and four parameters commonly used to characterize the seismic response of structures: interstory drift, Park and Ang indexes of damage, and total amount of energy dissipated by the main frame. It was found that Rm=4% is a reasonable minimum design value for seismic retrofitting purposes in cases in which available resources are not sufficient to afford conventional retrofit measures.
International
Si
Congress
15 World Conference on Earthquake Engineering
960
Place
Lisboa
Reviewers
Si
ISBN/ISSN
0000000000
0000000000
Start Date
24/09/2012
End Date
28/09/2012
From page
1
To page
10
Proceedings of the 15 World Conference on Earthquake Engineering
Participants
  • Autor: Ana Luisa Ramírez_Márquez UGR
  • Autor: Amadeo Benavent Climent UPM
  • Autor: Elena Oliver-Saiz UGR
  • Autor: Santiago Pujol Purdue University
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Ingeniería Sísmica: Dinámica de Suelos y Estructuras