Dynamic Analysis of Prefabricated Box Culvert Formwork Filled with Fresh Concrete Using Finite Element Modeling

Gultekin AKTAS

Abstract: Dynamic analysis is becoming increasingly important in evaluating structural systems. Dynamic analysis is mandatory for structures other than low-rise and small-sized buildings. Especially in parallel with the advancement in computer technology, the analysis of large structures with thousands of degrees of freedom can be done in a short time with advanced software programs such as SAP2000. This study aims to identify key dynamic parameters of the structural element under consideration. Parameters such as free vibration frequencies and mass participation ratios are important in dynamic analysis. Furthermore, Ritz vectors and Eigenvectors can be used alternatively in the Mode Combination Method. This study was executed using Finite Element Method employed in SAP2000 software.

Keywords: Prefabricated box culvert formwork, External vibrator, Vibration, Ritz vector, Eigenvector