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2nd World Congress and Exhibition on Construction and Steel Structure

Las Vegas, USA

Mehmet F. Yılmaz

Mehmet F. Yılmaz

Istanbul Technical University

Title: Structural Capacity Investigation of Concentrically Braced Members


Biography: Mehmet F. Yılmaz


There are various approaches and engineering practices to constitute lateral stability against the lateral loads in steel structures. Braced members are one of the widely used approaches and practices. They are used to increase the structural capacity under earthquake effects. Structural capacity of the buildings with braced members is higher than the capacity of conventional steel structures. Concentric and eccentric ones are available for steel structures. Concentrically braced members are most common structural systems using to restrain lateral displacement and constituted lateral rigidity. With development of computer technology, more complex analyses become possible and popular for braced members. Now, various approaches are available to calculate the capacity of the braced members. These approaches are as Finite Element and Physical Theory Methods. Recently, Finite Element Method becomes popular in structural design in many cases despite the fact that it’s computationally complexity. Physical Theory method based on fundamental structural behavior, provides a balance of efficiency and accuracy. Force Analog and Sliding Hinge Methods are the most common ones in Physical Theory Method for determining capacities of braced members. In this study, Finite Element Method and Physical Theory Method as Force Analog Method and Sliding Hinge Method will be considered to calculate the capacity of concentrically braced members. Also design capacities will be calculated based on the valid design codes and specifications. The ultimate capacities, calculated with these methods are compared with each other. Calculated design capacities are compared with ultimate capacities; hence, security coefficient that the specification provides will be evaluated.