Simplified Method for Considering Dynamic Second-Order Effects of Elastic SDOF System under Earthquakes
The structures subjected to large displacement under ground motion may be severely influenced by the structural second-order effects. This paper studied the dynamic second-order effects of the single-degree-of-freedom (SDOF) system under earthquake ground motions. The following achievements have been made: (1) the stiffness reduction coefficients considering and effects under static and dynamic analysis were deduced; (2) through numerical analysis, the accuracy of the formulas was verified.
Pengcheng Wang, Liqun Ai, Yungang Li, Xiaoming Sang and Jinglong Bu
F. X. Han et al., "Simplified Method for Considering Dynamic Second-Order Effects of Elastic SDOF System under Earthquakes", Advanced Materials Research, Vols. 295-297, pp. 26-30, 2011