Now showing items 1-20 of 58

  • A graphical method for measurement set selection in structural system identification with observability techniques 

    Lozano Galant, José Antonio; Nogal Macho, María; Castillo Ron, Enrique; Turmo Coderque, José (CRC Press, 2016)
    Conference report
    Restricted access - publisher's policy
    The unknown properties of a structure can be identified from different measurement sets. The selection of an adequate set is a key pretest decision in any Structural System Identification (SSI) method. Among the different ...
  • An algorithm for simulation of concrete cable-stayed bridges built on temporary supports and considering time dependent effects 

    Lozano Galant, José Antonio; Turmo Coderque, José (2014-11)
    Article
    Restricted access - publisher's policy
    The time-dependent phenomena effects might play an important role in the structural behavior of a cable-stayed bridge during construction and in service. In fact, because of these effects the target state of stresses ...
  • Analysis of cable-stayed bridge construction 

    Lozano Galant, José Antonio; Xu, Dong; Turmo Coderque, José (International Association for Bridge and Structural Engineers (IABSE), 2017)
    Conference report
    Restricted access - publisher's policy
    One of the most important causes of the rapid progress of cable-stayed bridges in recent decades is the development of the construction techniques that made their erection possible. Cantilever method and temporary support ...
  • Analysis of measurement and simulation errors in structural system identification by observability techniques 

    Jun, LEI; Lozano Galant, José Antonio; Nogal Macho, María; Xu, Dong; Turmo Coderque, José (2017-06)
    Article
    Open Access
    During the process of structural system identification, errors are unavoidable. This paper analyzes the effects of measurement and simulation errors in structural system identification based on observability techniques. ...
  • Analyzing the effects of the evolutionary erection in the service state of cable-stayed bridges built on temporary supports 

    Lozano Galant, José Antonio; Xu, Dong; Turmo Coderque, José (CRC Press, 2016)
    Conference report
    Restricted access - publisher's policy
    The stay forces in service of the cable-stayed bridges are usually defined in early stages of design, when the construction process has not even been conceived in detail yet. For this reason, the effects of the evolutionary ...
  • A numerical approach for structural system ldentification by observability techniques 

    Lozano Galant, José Antonio; Nogal Macho, María; LEI, Jun; Xu, Dong; Turmo Coderque, José (International Association for Bridge and Structural Engineers (IABSE), 2016)
    Conference report
    Restricted access - publisher's policy
    Observability techniques enable the structural system identification of static structures from a symbolic approach. The main advantage of this method is its deep mathematical foundation that enables the definition of ...
  • Aplicación de métodos matemáticos a la identificación de sistemas estructurales 

    Lozano Galant, José Antonio; Enrique, Castillo; Nogal Macho, María; Turmo Coderque, José (2017)
    Conference report
    Restricted access - publisher's policy
    Tradicionalmente, el comportamiento de las estructuras se suele modelizar mediante modelos numéricos con propiedades mecánicas conocidas. Sin embargo, los valores reales de las estructuras construidas raramente coinciden ...
  • Aplicaciones estructurales actuales y futuras del hormigón de ultra-alta resistencia 

    Ruiz Ripoll, Lidia; Barragán, Bryan E.; Lozano Galant, José Antonio; Turmo Coderque, José (Asociacion Científica del Hormigón Estructural (ACHE), 2011)
    Conference report
    Restricted access - publisher's policy
    Este trabajo recoge las investigaciones realizadas con el hormigón de ultra-alta resistencia, UHPC (Ultra-High Performance Concrete) desde su reciente nacimiento en 1990 hasta hoy día e incluso las futuras líneas de ...
  • Assessment of civil engineering educational system in Iran: problems and solutions 

    Mobaraki, Behnam; Lozano Galant, José Antonio; Ramos Schneider, Gonzalo; Turmo Coderque, José (International Centre for Numerical Methods in Engineering (CIMNE), 2018)
    Conference report
    Open Access
    Engineering education is a mighty driver of society growth and is one of the most effective instruments for eradicating the poverty and essential task for improving economy and social facilities in each country. A good ...
  • A two-stage static structural system identification by observability method 

    Jun, Lei; Nogal Macho, María; Lozano Galant, José Antonio; Xu, Dong; Turmo Coderque, José (CRC Press, 2018)
    Conference report
    Restricted access - publisher's policy
    Structural system identification (SSI) is a powerful tool for the assessment of the current condition of structures in operation. The basic assumption is that the deterioration of structures is reflected in the change of ...
  • Cálculo de las fuerzas de tesado óptimas en puentes atirantados 

    Lozano Galant, José Antonio; Payá Zaforteza, Ignacio Javier; Ruiz Ripoll, Lidia; Xu, Dong; Turmo Coderque, José (Asociacion Científica del Hormigón Estructural (ACHE), 2011)
    Conference report
    Restricted access - publisher's policy
    Para una determinada geometría, propiedades mecánicas y cargas exteriores, la consecución de una cierta distribución de fuerzas internas en un puente atirantado depende de la fuerza de pretensado de cada uno de los tirantes. ...
  • Comparison among different structural system identification methods 

    Nogal Macho, María; Lozano Galant, José Antonio; Turmo Coderque, José (2016)
    Conference report
    Restricted access - publisher's policy
    The observability techniques have been proposed to deal with structural system identification under static loading tests. Up to now, this method has only been analyzed from a symbolical point of view. Despite the elegance ...
  • Comparison of project management and lean construction in a real road project 

    Elkherbawy, Ahmed; Lozano Galant, José Antonio; Ramos Schneider, Gonzalo; Turmo Coderque, José (2018)
    Conference report
    Restricted access - publisher's policy
    Project Management, PM, refers to the practice of planning, executing and controlling certain tasks to achieve specific goals at the specified time. Applications of this methodology (such as the Gantt chart) are commonly ...
  • Condition assessment using structural system identification 

    Lei, Jun; Lozano Galant, José Antonio; Nogal Macho, María; Xu, Dong; Turmo Coderque, José (Tongji University, 2017)
    Conference report
    Restricted access - publisher's policy
    The accumulation of progressive deterioration of structures might lead to the failure of structures. In order to avoid potential accidents, it is important to carry out condition assessment using structural system ...
  • Constrained observability method in static structural system identification 

    Lei, Jun; Nogal Macho, María; Lozano Galant, José Antonio; Xu, Dong; Turmo Coderque, José (2018-01)
    Article
    Open Access
    Identifiability of parameters in structural system identification (SSI) is of primary importance in any SSI method. It depends on the number and the location of the measurements, which is linked with sensor configuration. ...
  • Construction control of cable-stayed bridges 

    Lozano Galant, José Antonio (Universitat Politècnica de Catalunya, 2013-07-22)
    Doctoral thesis
    Open Access
    This work presents a study of the simulation of cable-stayed bridges built on temporary supports focused on their response during construction and in service. To simulate the behavior during construction, a set of four ...
  • Construction simulation of cable-stayed bridges 

    Lozano Galant, José Antonio; Xu, Dong; Turmo Coderque, José (CRC Press, 2018)
    Conference report
    Restricted access - publisher's policy
    In a staggered erected cable-stayed bridge made of concrete, time-dependent phenomena (suchas creep or shrinkage) effects might play an important role in both its geometry and its stress state. In fact, because of these ...
  • Creep and shrinkage effects in service stresses of concrete cable-stayed bridges 

    Lozano Galant, José Antonio; Turmo Coderque, José (2014-04)
    Article
    Restricted access - publisher's policy
    Most of the methods presented in the literature to define the target service stresses (Objective Service Stage, OSS) of cable-stayed bridges rarely include the time-dependent phenomena effects. Nevertheless, especially in ...
  • Dealing with the peculiarities of the structural system identification of cable-stayed bridges by observability techniques 

    Lozano Galant, José Antonio; Nogal Macho, María; Enrique, Castillo; Turmo Coderque, José (2015)
    Conference report
    Restricted access - publisher's policy
    Traditionally, the structural response of a bridge is modelled by simplistic physics-based models in which the mechanical and geometrical properties are assumed as known. Nevertheless, this is not the case in most actual ...
  • Detección de daños en estructuras mediante técnicas de observabilidad 

    Lozano Galant, José Antonio; Nogal Macho, María; Castillo Ron, Enrique; Turmo Coderque, José; Payá Zaforteza, Ignacio Javier (Asociacion Científica del Hormigón Estructural (ACHE), 2014)
    Conference report
    Restricted access - publisher's policy
    En este artículo se presenta la aplicación de un nuevo método para la detección de daños en estructuras a partir de su respuesta estática. Este método aplica las técnicas de observabilidad para resolver el sistema de ...