Comparative Study on Fatigue Behavior of K and K-T Steel Truss Joints

Steel girders and its various forms are now a days used in the building and bridge constructions. Steel girders have minimal cost of construction and high degree of efficiency. They are especially suitable for large-span structures and for greater load transfer in building construction as well as bridge construction Steel girder transfer their loads to one member to another through its joints. So the joints are most important portion of a truss girder. In this work, modeling of each joint was carried out by using finite element method and software ANSYS-2016 to evaluate and compare the ultimate strength and fatigue behavior of K and K-T truss joints. K and K-T joints are mostly appeared in a truss girder. For getting the maximum efficiency and performance, in this study, composite joints were analyzed.