Steel braces are used in steel frames system, in order to resist lateral loads such as seismic and wind. In this study, the contributions of eccentr ic steel braces on low-rise structures, among the brace types defined in the regulations, are discussed in against the lateral loads in steel structures. For this purpose, the 3-and 5-storey structures, which were designed as a non-braced frame system, were redesigned using eccentric braces defined in the literature. The appearance of the sample buildings in the plan is identical and there are 8 spans in the X direction and 4 spans in the Y direction in the modeled structures. Models; non-braced steel frame, eccentric diagonal brace, eccentric V brace and eccentric inverted V brace were added and analyzed. Considered sample structures; The total weight of the structure, the maximum lateral displacement value and the period values of the structures were compared. In the analysis and design of buildings; Turkey Building Earthquake Regulation (TBDY 2018), Principles for the Design, Calculation and Construction of Steel Structures (ÇYTHYE), TS-498, TS EN 1991-1-3 and TS EN 1991-1-4 standards were used. Structural analyzes were made with the SAP2000 program. As a result of the analysis, it was observed that the eccentric braces used had a positive effect on the lateral displacement of the structure.
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