0ptimizing parameters of the base isolated frame stlllcture with reinforeed concrete special shaped column
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Abstract:
A three-dimensional nonlinear finite element analysis model has been established according to the non-linear characteristics and mutual influence of the laminated robber bearing and special pole framework. Ihe model' s time-history analysis is studied with the SAP2000 by changing the damping ra dio and rigidity of the laminated robber bearing under different seismic waves. Ihe results show that the seismic response of the special pole framework could be controlled by optimizing the parameters; the opti- mal scope of damping radio of special pole framework with laminated robber bearing is 0.22-0. 27 and the value of stiffness should be reduced suitably under the condition of allow displacement.
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LI Qiu-ying, LIU Li-li, DONG Hong-wei.0ptimizing parameters of the base isolated frame stlllcture with reinforeed concrete special shaped column[J].,2010,27(3):5-8