A new and simplified numerical integration method of sections is suggested, and the secant stiffness and tangent stiffness calculation simple formulation of reinforced concrete members under bieccentric compression is derived, based on nonlinear behavior of materials and geometry. Using this method, nonlinear analysis of some reinforced concrete members under bieccentric compression are taken by tracing full path.The theoretical results correspond well with experimental data.
Ye Yinghua, Diao Bo.Nonlinear Analysis of Concrete Structures.哈尔滨:哈尔滨工业大学出版社, 1996
[3] Diao B, et al.Strength Analysis of Reinforced Concrete Columns with Arbitray Cross-section under Bieccentric loadings.Progress in Natural Science, 2001, 11(4):309~315