Now showing items 21-40 of 41

    • Evaluation of seismic damage in low-rise buildings of reinforced concrete masonry 

      Hidalgo-Leiva, D.A.; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Díaz-Alvarado, S.A.; Vargas Alzate, Yeudy Felipe (2016)
      Conference report
      Restricted access - publisher's policy
      The assessment of damage caused by earthquakes in structures, requires the use of nonlinear analysis, either static or dynamic, in order to define the performance of the buildings for the considered hazard levels. In this ...
    • Incremental dynamic analysis and pushover analysis of buildings: a probabilistic comparison 

      Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Hurtado Gomez, Jorge Eduardo (Springer-Verlag, 2013-03-05)
      Part of book or chapter of book
      Restricted access - publisher's policy
    • Incremental dynamic analysis and pushover analysis: a probabilistic comparison 

      Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Hurtado Gomez, Jorge Eduardo (2009)
      Conference report
      Restricted access - publisher's policy
      Capacity-spectrum-based-methods are also used for assessing the vulnerability and risk of existing buildings. Capacity curves are usually obtained by means of nonlinear static analysis. Incremental Dynamic Analysis is ...
    • Multi-regression analysis to enhance the predictability of the seismic response of buildings 

      Vargas Alzate, Yeudy Felipe; González Drigo, José Ramón; Ávila Haro, Jorge Arturo (2022-04)
      Article
      Open Access
      Several methodologies for assessing seismic risk extract information from the statistical relationship between the intensity of ground motions and the structural response. The first group is represented by intensity measures ...
    • New capacity and energy based damage index 

      Díaz, Sergio Alberto; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Vargas Alzate, Yeudy Felipe; González Drigo, José Ramón; Alva Bañuelos, Rodrigo Esteban (2018)
      Conference report
      Open Access
      Non-linear dynamic analysis and the damage index of Park-Ang have been often used to assess expected seismic damage to a structure. Depending on the size of the structure and the duration of the record, the computational ...
    • New insights into the relationship between seismic intensity measures and nonlinear structural response 

      Vargas Alzate, Yeudy Felipe; Hurtado Gómez, Jorge Eduardo; Pujades Beneit, Lluís (2022-03)
      Article
      Open Access
      This paper focuses on the probabilistic analysis of Intensity Measures (IMs) and Engineering Demand Parameters (EDPs) in the context of earthquake-induced ground motions. Several statistical properties, which are desirable ...
    • New parametric model for capacity curves and a new capacity based damage index 

      Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Barbat Barbat, Horia Alejandro; González Drigo, José Ramón; Díaz-Alvarado, S.A.; Hidalgo-Leiva, D.A. (2016)
      Conference report
      Restricted access - publisher's policy
      A recently proposed parametric model re-conceptualizes capacity curves as composed by linear and non-linear parts. The normalized non-linear capacity curve can be modelled by a cumulative lognormal function. While the ...
    • On the equal displacement aproximation for mid-rise reinforced concrete buildings 

      Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; González Drigo, José Ramón; Alva Bañuelos, Rodrigo Esteban; Pinzón Ureña, Luis (Institute of Structural Analysis and Antiseismic Research School of Civil Engineering. National Technical University of Athens (NTUA), 2019)
      Conference report
      Open Access
      The equal displacement approximation is a well-known procedure for estimating the non-linear behavior of structures subjected to earthquake ground motions. This procedure plays a significant role in current seismic design, ...
    • Parametric model for capacity curves 

      Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Barbat Barbat, Horia Alejandro; González Drigo, José Ramón (2015-05)
      Article
      Open Access
      A parametric model for capacity curves and capacity spectra is proposed. The capacity curve is considered to be composed of a linear part and a nonlinear part. The normalized nonlinear part is modelled bymeans of a cumulative ...
    • Probabilistic assessment of the seismic damage in reinforced concrete buildings 

      Barbat Barbat, Horia Alejandro; Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Hurtado Gomez, Jorge Eduardo (Societatea Academica, 2012)
      Conference report
      Open Access
      The main objective of this article is to assess the expected seismic damage in reinforced concrete buildings from a probabilistic point of view by using Monte Carlo simulation. To do that, the seismic behavior of the ...
    • Probabilistic seismic assessment of a high-rise URM building 

      Ávila Haro, Jorge Arturo; González Drigo, José Ramón; Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro (Elsevier, 2022-01-01)
      Article
      Open Access
      According to the Sendai Framework for Disaster Risk Reduction (2015–2030), disasters have demonstrated that the recovery, rehabilitation and reconstruction phase, which needs to be prepared ahead of a disaster, is a critical ...
    • Probabilistic seismic damage assessment of RC buildings based on nonlinear dynamic analysis 

      Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Hurtado Gómez, Jorge Eduardo (2015-06-05)
      Article
      Open Access
      The incremental dynamic analysis is a powerful tool for evaluating the seismic vulnerability and risk of buildings. It allows calculating the global damage of structures for different PGAs and representing this result by ...
    • Probabilistic seismic damage assessment of reinforced concrete buildings considering directionality effects 

      Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Hurtado Gómez, Jorge Eduardo; Díaz Alvarado, Sergio Alberto; Hidalgo Leiva, D.A. (2018-06)
      Article
      Open Access
      Most of buildings and structures are usually projected according to two main axes. However, the geographical position of these buildings varies randomly. Such random distributions of the azimuthal positions of structures, ...
    • Real aperture radar: an interferometric technique to assess earthquake damaged structures 

      Cabrera Velez, Esteban; González Drigo, José Ramón; Luzi, Guido; Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís (2018)
      Conference lecture
      Restricted access - publisher's policy
      Ambient vibration testing has become a useful tool to assess the operational conditions of any existing structure, and allows the engineers to maintain a continuous monitoring in order to check its structural health ...
    • Remote ambient vibration measurements with real aperture radar to estimate buildings dynamic properties 

      Alva Bañuelos, Rodrigo Esteban; González Drigo, José Ramón; Luzi, Guido; Caselles Magallón, Josep Oriol; Pujades Beneit, Lluís; Vargas Alzate, Yeudy Felipe; Pinzón Ureña, Luis (Institute of Structural Analysis and Antiseismic Research School of Civil Engineering. National Technical University of Athens (NTUA), 2019)
      Conference report
      Open Access
      The use of sensors to obtain the dynamic properties of structures by means of ambient vibrations has become a common practice. However, conventional and more extensively used methods require the installation of sensors, ...
    • Risk assessment of reinforced concrete buildings considering the earthquake directionality effects 

      Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Barbat Barbat, Horia Alejandro; Hurtado Gomez, Jorge Eduardo (2013)
      Conference report
      Restricted access - publisher's policy
      In order to assess the seismic risk of structures, several methods based on pushover analysis have been developed. These methods are very useful in the case of symmetric structures because they can be easily approximated ...
    • Seismic performance of URM buildings: a probabilistic approach 

      Ávila Haro, Jorge Arturo; González Drigo, José Ramón; Vargas Alzate, Yeudy Felipe; Alva Bañuelos, Rodrigo Esteban; Pujades Beneit, Lluís (2022)
      Conference report
      Restricted access - publisher's policy
      The research conducted in this work focuses on the uncertainties related to the mechanical properties of the construction material of interest (i.e., unreinforced masonry -URM), and the influence of their variability on ...
    • Seismic risk assessment using stochastic nonlinear models 

      Vargas Alzate, Yeudy Felipe; Lantada, Nieves; González Drigo, José Ramón; Pujades Beneit, Lluís (2020-02)
      Article
      Open Access
      The basic input when seismic risk is estimated in urban environments is the expected physical damage level of buildings. The vulnerability index and capacity spectrum-based methods are the tools that have been used most ...
    • Simulation and analysis of damage progression in a mid-rise RC building during and earthquake 

      Cabrera Velez, Esteban; González Drigo, José Ramón; Luzi, Guido; Vargas Alzate, Yeudy Felipe; Pujades Beneit, Lluís; Alva Bañuelos, Rodrigo Esteban; Ávila Haro, Jorge Arturo (2022)
      Conference lecture
      Restricted access - publisher's policy
      A five-story reinforced concrete building severely damaged during the Mw 5.1, May 11th 2011, Lorca earthquake (Murcia, Spain), has been monitored with an interferometric radar and has been numerically modelled with the aim ...
    • Spectral velocity-and energy-based intensity measures 

      Vargas Alzate, Yeudy Felipe; González Drigo, José Ramón; Ávila Haro, Jorge Arturo; Alva Bañuelos, Rodrigo Esteban; Pujades Beneit, Lluís; Tirado Gutiérrez, Rodolfo Javier (2022)
      Conference lecture
      Restricted access - publisher's policy
      The statistical relationship between parameters that represent the intensity of ground motions induced by earthquakes (Intensity Measures, IM) and the nonlinear response of buildings (Engineering Demand Parameters, EDP) ...