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Pseudodynamic tests of a concentrically braced frame using substructuring techniques
AbstractThe bottom story of a half-scale model of a three-story concentrically braced steel frame, designed in accordance with the seismic provisions recently proposed by AISC Specification Task Committee 113, has been tested by means of the pseudodynamic method incorporated with analytical substructuring techniques. It has been shown that the use of an unconditionally stable implicit time integration scheme allows one to adopt a simple substructuring method, by which all degrees of freedom of a discrete-parameter structural model can be retained and those associated with zero mass in the experimental substructure can be conveniently ignored in testing. The experimental results are consistent with numerical results obtained with an analytical model that accounts for the linear and nonlinear behavior of bracing connections. The frame specimen exhibited a satisfactory performance under the maximum expected seismic loads.
Pseudodynamic tests of a concentrically braced frame using substructuring techniques
AbstractThe bottom story of a half-scale model of a three-story concentrically braced steel frame, designed in accordance with the seismic provisions recently proposed by AISC Specification Task Committee 113, has been tested by means of the pseudodynamic method incorporated with analytical substructuring techniques. It has been shown that the use of an unconditionally stable implicit time integration scheme allows one to adopt a simple substructuring method, by which all degrees of freedom of a discrete-parameter structural model can be retained and those associated with zero mass in the experimental substructure can be conveniently ignored in testing. The experimental results are consistent with numerical results obtained with an analytical model that accounts for the linear and nonlinear behavior of bracing connections. The frame specimen exhibited a satisfactory performance under the maximum expected seismic loads.
Pseudodynamic tests of a concentrically braced frame using substructuring techniques
Benson Shing, P. (author) / Bursi, Oreste S. (author) / Vannan, Mani T. (author)
Journal of Constructional Steel Research ; 29 ; 121-148
1994-01-01
28 pages
Article (Journal)
Electronic Resource
English
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