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Earthquakes and Structures
  Volume 3, Number 2, April 2012 , pages 181-201

Performance comparison of passive control schemes for the numerically improved ASCE cable-stayed bridge model
Marco Domaneschi and Luca Martinelli

    The benchmark on the ASCE cable-stayed bridge has gathered since its proposal the interest of many specialists in the field of the structural control and the dynamic response of long span bridges. Starting from the original benchmark statement in the MATLAB framework, a refined version of the bridge model is developed in the ANSYS commercial finite element environment. A passive structural control system is studied through non linear numerical analyses carried out in time domain for several seismic realizations in a multiple support framework. An innovative electro-inductive device is considered. Its positive performance is compared with an alternative version considering traditional metallic dampers.
Key Words
    cable-stayed; bridge; passive; control; user-element; earthquakes
Marco Domaneschi and Luca Martinelli: Department of Structural Engineering, Politecnico di Milano, Milano, Italy

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