Browsing by Author "Xu, Dong"

Now showing items 1-20 of 33

    • A new model to analyze corrugated steel web bridges 

      Lei, Jun; Xu, Dong; Turmo Coderque, José (Tongji University, 2017)
      Conference report
      Restricted access - publisher's policy
      The wide application of corrugated steel web bridges has led to a rising demand on accurate tools to analyze this type of structures. Current computational models for these analyses are mainly related to those models using ...

    • 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
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      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 ...

    • 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 ...

    • 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
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      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 ...

    • 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
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      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. ...

    • Compatible deformation in the condition assessment of beam structures 

      Jun, Lei; Xu, Dong; Turmo Coderque, José (International Association for Bridge and Structural Engineers (IABSE), 2018)
      Conference report
      Restricted access - publisher's policy
      The structural deformations should satisfy some geometric relations. However, this might not hold when the measured deformations are contaminated by measurement errors. In order to filter out the incompatibility in the ...

    • 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 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 ...

    • Error analysis of structural system identification by observability method 

      Lei, Jun; Xu, Dong; Lozano Galant, José Antonio; Nogal Macho, María; Turmo Coderque, José (International Association for Bridge and Structural Engineers (IABSE), 2017)
      Conference lecture
      Restricted access - publisher's policy
      In structural system identification, measurement errors and simulation errors are closely related with the accuracy of the identification method. In this paper, the effects of these two types of errors on structural system ...

    • Evaluación estructural de puentes existentes: técnicas de observabilidad 

      Lozano Galant, José Antonio; Nogal Macho, María; Jun, Lei; Xu, Dong; Turmo Coderque, José; Ramos Schneider, Gonzalo (Asociación Chilena de Carreteras y Transporte (ACCT), 2017)
      Conference report
      Open Access
      Cada vez es más importante el parque de puentes y estructuras ya construidas que es necesario mantener y evaluar su estado con el paso del tiempo, o tras haber sufrido alguna situación accidental, como puede ser un sismo. ...

    • Guideline for design competitions for bridges 

      Hussain, Naeem; Abbas, Hussain; Buckby, Roger; Turmo Coderque, José; Duguid, Brian; Firth, Ian; Gimsing, Niels; Kim, Sun-Won; Low, Angus; Morgenthal, Guido; Pircher, Georg; Schlaich, Mike; Xu, Dong (International Association for Bridge and Structural Engineering, 2013-10-01)
      Book
      Restricted access - publisher's policy
      IABSE has published ‘Guidelines for Design Competitions for Bridges’ completed by IABSE Working Group 3, chaired by Naeem Hussain. These are the first international guidelines available to assist clients and procurement ...

    • Identificación estructural numérica mediante técnicas de observabilidad 

      Lozano Galant, José Antonio; Lei, Jun; Ramos Schneider, Gonzalo; Nogal Macho, María; Xu, Dong; Turmo Coderque, José (2017)
      Conference report
      Restricted access - publisher's policy

    • Impact of measurement errors in inverse analysis 

      Lei, Jun; Lozano Galant, José Antonio; Nogal Macho, María; Xu, Dong; Turmo Coderque, José (Springer, 2017)
      Conference report
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    • Inverse analysis using compatible displacements 

      Jun, Lei; Xu, Dong; Turmo Coderque, José (CRC Press, 2018)
      Conference report
      Restricted access - publisher's policy
      To avoid potential life and economic loss, structural health monitoring has become increasingly important for bridge systems. As a key component of structural health monitoring, structural system identification (SSI) tries ...

    • Modeling composite beams with partial interaction 

      Turmo Coderque, José; Lozano Galant, José Antonio; Mirambell Arrizabalaga, Enrique; Xu, Dong (2015-11)
      Article
      Open Access
      This paper presents a finite element model for the analysis of composite beams with partial interaction. In this model, the elements of the composite beams are modeled by six different types of frame elements. Compared ...

    • Modelización de vigas mixtas con interacción imperfecta 

      Caus, Ricard; Lozano Galant, José Antonio; Mirambell Arrizabalaga, Enrique; Xu, Dong; Turmo Coderque, José (2018-05)
      Article
      Open Access
      In most composite beams, the concrete and steel connection is flexible to some extent. For this reason, a relative slip always appears at the interface. This slip is of primary importance because it affects both the ...

    • Modelización de vigas mixtas con interacción imperfecta 

      Lozano Galant, José Antonio; Mirambell Arrizabalaga, Enrique; Xu, Dong; Turmo Coderque, José (2017)
      Conference lecture
      Restricted access - publisher's policy
      La mayoría de normativa sobre vigas mixtas asume una conexión rígida entre el hormigón y el acero. Este tipo de conexión no produce ningún deslizamiento relativo entre ambos materiales y por tanto se puede aplicar la ...