Now showing items 1-20 of 73

  • Análisis de la fiabilidad del comportamiento sismo-resistente de los edificios de hormigón armado 

    Bezzazi, Mohamed; Parrón Vera, Miguel Ángel; Rubio Cintas, Maria Dolores; López Almansa, Francisco; El Ghoulbzouri, Abdelouafi; Khamlichi, Abdellatif (2011-04-01)
    Article
    Restricted access - publisher's policy
    En este trabajo se analiza el comportamiento sismo resistente de las construcciones de hormigón armado. La fiabilidad del diseño sismo resistente se evalúa mediante el concepto de la superficie de respuesta que se utiliza ...
  • A new steel framing system for seismic protection of timber platform frame buildings: implementation with hysteretic energy dissipators 

    López Almansa, Francisco; Segués Aguasca, Edgar; Rodríguez Cantalapiedra, Inma (2014-11-10)
    Article
    Restricted access - publisher's policy
    This paper describes a new seismic protection system for timber platform frame buildings, either for new construction or retrofit. The system consists in connecting the timber frame to a steel structure that includes ...
  • A numerical model of the structural behavior of buckling-restrained braces 

    López Almansa, Francisco; Castro Medina, Juan Carlos; Oiler, S. (2012-08)
    Article
    Open Access
    This work presents a numerical model of the cyclic structural behavior of dissipative buckling-restrained braces, commonly used as an alternative to classical concentric braces for seismic protection of building frames and ...
  • Assessment of static nonlinear approaches for earthquake-resistant design of tall reinforced concrete buildings 

    López Almansa, Francisco; Miquel Ribot, Sebastià; Torres Llinàs, Lluís (European Association for Earthquake Engineering, 2014)
    Conference report
    Restricted access - publisher's policy
    The simplified nonlinear static procedures (conventional pushover) have become a useful tool to assess the seismic performance of buildings. Beyond their inherent static character, such methods include two major inaccuracies: ...
  • Behavior, for the Lorca earthquake on 11-05-2011, of wide beam building designed without seismic considerations 

    Domínguez Santos, David Jesús; López Almansa, Francisco; Benavent Climent, Amadeo (2014)
    Article
    Open Access
    The recent earthquake in Lorca (11-05-2011) was the most destructive recorded event in Spain, despite its moderate magnitude. This paper describes the numerical simulation of the dynamic response to the main record of the ...
  • Buildings in Barcelona protected from railway-induced vibrations with base isolation 

    López Almansa, Francisco; Eskubi Ugarte, Ignacio; Araníbar, Hugo; Mas, Cristina; Roca Fabregat, Pedro; Clapés Boixader, Jaume; Caselles Magallón, Josep Oriol (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
    Conference report
    Open Access
    This work describes two mid-height RC base isolated buildings recently erected in Barcelona. Both buildings are located near the main railway station in Barcelona (Barcelona-Sants), thus undergoing dynamic excitations due ...
  • Cálculo de la respuesta dinámica de estructuras mediante un procedimiento de estado 

    Rodellar Benedé, José; Barbat Barbat, Horia Alejandro; López Almansa, Francisco (2009-05-25T14:55:44Z)
    Article
    Open Access
    Se desarrolla un procedimiento de cálculo de la respuesta dinámica de estructuras lineales elásticas basado en la representación de estado de las ecuaciones del movimiento. La estabilidad y la precisión del algoritmo de ...
  • Capacidad límite última de disipación de energía de estructuras de hormigón armado sometidas a acciones sísmicas 

    Benavent Climent, Amadeo; López Almansa, Francisco; Pujades Beneit, Lluís (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2001)
    Book
    Open Access
    Esta monografía se ocupa de la evaluación de la capacidad límite última de disipación de energía de las estructuras sometidas a terremotos. En ella se expone, a través de su aplicación a varias estructuras tipo, unas de ...
  • Comparación de códigos de aislamiento sísmico a nivel mundial: implicaciones para Colombia 

    López Almansa, Francisco; Piscal Arévalo, Carlos Mario (Asociación Colombiana de Ingeniería Sísmica, 2017)
    Conference report
    Restricted access - publisher's policy
    El aislamiento de base constituye una estrategia eficiente para la protección sismorresistente de edificios. Esta solución consiste en el desacoplamiento entre la estructura y el suelo de fundación, mediante dispositivos ...
  • Comparison between several criteria for selecting the parameters of hysteretic energy dissipators for seismic protection of steel building structures 

    Domínguez Santos, David Jesús; López Almansa, Francisco; Benavent Climent, Amadeo (China Architecture & Building Press, 2015)
    Conference report
    Restricted access - publisher's policy
    This work deals with seismic protection of steel building structures using hysteretic energy dissipators. The sensitivity of the performance of these systems to the design parameters of the dissipative devices is numerically ...
  • Comportamiento sísmico de edificios con muros delgados de hormigón. Aplicación a zonas de alta sismicidad de Perú 

    López Almansa, Francisco; Gonzáles Fernández, Helbert (Copicentro, 2011)
    Conference report
    Restricted access - publisher's policy
    Se estudia numéricamente la vulnerabilidad de edificios de muros delgados en Perú. Principales características: no más de cinco plantas, luces hasta 5 m, muros de 10 cm de espesor con una única capa de armadura, losas de ...
  • Computational tool for rubber bearing design for building seismic isolation 

    López Almansa, Francisco; Piscal Arévalo, Carlos Mario (Asociación Colombiana de Ingeniería Sísmica, 2017)
    Conference report
    Restricted access - publisher's policy
    Los apoyos elastoméricos son dispositivos empleados ampliamente para aislamiento sísmico de edificaciones. Su gran aceptación puede deberse, entre otros factores, al buen comportamiento evidenciado y a su costo inferior ...
  • Contribución al desarrollo de sistemas de control de estructuras de edificación mediante cables activos 

    López Almansa, Francisco (Universitat Politècnica de Catalunya, 1988-02-02)
    Doctoral thesis
    Open Access
    Este trabajo propone un sistema para reducir las oscilaciones horizontales de edificios (generadas por movimientos sísmicos o por la acción del viento) mediante la acción activa de barras diagonales de arriostramiento ...
  • Control predictivo en sistemas de protección sísmica de estructuras 

    Andrade, R; Rodellar Benedé, José; López Almansa, Francisco (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 1993)
    Book
    Open Access
    En las últimas décadas se ha propuesto la aplicación de técnicas de control activo al campo de las estructuras flexibles sometidas a acciones sísmicas, lo que ha dado lugar a una nueva filosofía de diseño conocida como ...
  • Cost comparison of MRF, CBF and EBF mid-height steel buildings in Bogotá 

    López Almansa, Francisco; Montaña Peña, Miguel Angel (China Architecture & Building Press, 2015)
    Conference report
    Restricted access - publisher's policy
    A number of mid-height steel buildings have been recently erected in Bogotá (Colombia). Their seismic risk might be high, given the new current microzonation of Bogotá and the lack of comprehensive previous studies. This ...
  • Damping coefficient of a building with BRB subject to three types of earthquake ground motions 

    Palazzo, Gustavo Luís; Bay, Cristian Otto; Roldán, Víctor; Calderón, Francisco A.; Marcelo, Guzmán; López Almansa, Francisco (International Association for Earthquake Engineering, 2017)
    Conference report
    Restricted access - publisher's policy
    This study evaluates the damping coefficient, the effective damping and the energy dissipated of a structure with and without buckling-restrained braces (BRB), subjected to 30 seismic records with different characteristics. ...
  • Design energy input spectra for high seismicity regions based on Turkish registers 

    López Almansa, Francisco; Yazgan, Ahmet Utku; Benavent Climent, Amadeo (2013-01)
    Article
    Open Access
    This work proposes design energy spectra in terms of an equivalent velocity, intended for regions with design peak acceleration 0.3 g or higher. These spectra were derived through linear and nonlinear dynamic analyses on ...
  • Design energy input spectra for moderate-to-high seismicity regions based on Colombian earthquakes 

    Benavent Climent, A.; López Almansa, Francisco; Bravo González, Diego Andrés (2010-11)
    Article
    Restricted access - publisher's policy
  • Design energy spectra for Colombia and Turkey 

    López Almansa, Francisco; Yazgan, Ahmet Utku; Bravo González, Diego Andrés; Benavent Climent, Amadeu (2006)
    Conference report
    Restricted access - publisher's policy
  • Design energy spectra for Turkey 

    López Almansa, Francisco; Yazgan, Ahmet Utku; Benavent Climent, Amadeo (International Association for Earthquake Engineering, 2012)
    Conference report
    Open Access
    This work proposes design energy spectra in terms of velocity, derived through linear dynamic analyses on Turkish registers and intended for regions with design peak acceleration 0.3 g or higher. In the long and mid period ...