ANALYTICAL PREDICTION OF CRUSHING LOAD FOR HIGH STRENGTH STEEL TUBULAR COLUMN WITH AND WITHOUT INFILLED MATERIAL USING ANSYS
Keywords:
Finite element, ANSYS, CFST columns, steel tubular section.Abstract
This paper investigates the behaviour of high strength steel tubular section filled with concrete is analysed by using finite element software ANSYS. The present study is an attempt to understand the failure load of high strength steel tubular section filled with concrete column under axial loading for different shapes such as circular and square. This project deals with the behaviour of concentrically axially loaded circular and square shaped high strength steel (FE310) of columns filled different grades (M20,M30,M40) of concrete .The effects of grade of concrete and composite action between the steel tube and the concrete core on axial load capacity of concrete filled steel tubular columns(CFST) are studied and also studied graphs of axial load capacity (axial shortening curves ).
Models are to be loaded in a concentric axial compression and the failure loads are to be extracted and all models need to be simulated with have length to diameter ratio(L/D) not exceeding the value of 4.0 to act as a short column and therefore no slenderness ratio should be taken into account. Failure loads calculated by ANSYS are compared with the results obtained by using AISC code of practice, BS code and experimentally.
