[2127] DYNAMIC ANALYSIS FOR RC COLUMNS WITH CIRCULAR CROSS SECTION USING MULTI-DIRECTIONAL POLYGONAL 3D LATTICE MODEL
Keywords:3D lattice model, circular cross section, columns, dynamic analysis, reinforced concrete
The study performs nonlinear dynamic analysis for reinforced concrete (RC) columns using the 3D lattice model. For analysis, a model based on geometrical equivalence between circular and square cross sectional areas and a new multi-directional polygonal discretization model with more realistic target geometry are proposed. The applicability of the models is examined performing the dynamic analysis on a circular cross sectional RC column tested by E-Defense. The results show acceptable agreement in behavior after cracking using the proposed multi-directional polygonal model.