MATHEMATICAL STRUCTURAL ANALYSIS OF ONE WAY RIBBED SLABS

Abstract

Mathematical structural analysis of one way ribbed slabs was introduced in this paper. The results of this analysis are compared with the results of the finite element method by SAP program. In SAP program, the model has been divided to frame elements "to represent ribs and beams" and shell elements "to represent the slab and solid part". Before using the SAP program to compare the results with the mathematical model, the results of the SAP program are evaluated by three dimension analysis through ANSYS program. The suggested mathematical analysis in this work was more accurate than the traditional method and gives close values of the induced moments of the ribs compared with the results of finite element method.