Structural response of a cable-stayed bridge subjected to lateral seismic excitations

  • Amr Z. Elkady
  • Maryam A. Seleemah
  • Farhad AnsariEmail author
Original Paper


Cable-stayed bridges are structurally efficient and offer cost effective solutions in medium to large-span crossings. The study reported in this article aimed at determining the behavior of a typical cable-stayed bridge when subjected to lateral earthquake excitations. A hybrid analytical–experimental technique is introduced to experimentally simulate the earthquake excitations on the bridge. In this technique, displacement time history of the bridge mid-span was first obtained analytically by exciting the bridge using the earthquake acceleration records. To experimentally simulate the earthquake excitations, these displacements were applied on a \( \frac{1}{60} \) scale model of a single plane cable-stayed bridge using a displacement controlled shaker. The efficiency of this technique was evaluated by comparing the experimental versus analytical response in terms of dynamic characteristics and displacement responses of the bridge. The analytical response of the bridge served as a verification tool for validation of key response parameters of the full-scale bridge. These parameters included forces in cables, strains and stresses in the deck, and moments and shear forces acting on pylons in the transverse direction.


Cable-stayed bridges Earthquakes Lateral excitations Resonance Fiber Bragg grating (FBG) Structural health monitoring 



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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Amr Z. Elkady
    • 1
    • 2
  • Maryam A. Seleemah
    • 3
  • Farhad Ansari
    • 4
    Email author
  1. 1.Faculty of EngineeringTanta UniversityTantaEgypt
  2. 2.Visiting Researcher at the Department of Civil and Materials EngineeringUniversity of IllinoisChicagoUSA
  3. 3.Department of Structural Engineering, Faculty of EngineeringTanta UniversityTantaEgypt
  4. 4.Christopher B. and Susan S. Burke Distinguished Professor, Department of Civil and Materials EngineeringUniversity of Illinois at ChicagoChicagoUSA

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