Experimental Study and Finite Elements of BRBF For AISC 341-16

Authors

Department of Structural Engineering, Faculty of Civil Engineering, University of Tabriz, Tabriz 5166616471, Iran

10.22034/ceej.2023.59023.2295

Abstract

After the Northridge earthquake, special concentrically braced frames (SCBF) have recently been introduced; further studies conducted to eliminate their shortcomings, design flaws and implementation of connector plates and their vague behavior after seismic load cycles led to development of a new CBF called buckling restrained braced frame (BRBF). In these braces, the steel core which is enclosed within steel profile filled by special concrete encloses the core completely and prevents buckling and increased critical load until compressive axial capacity is only restrained by steel yield tension. This allows the steel core resist against axial forces using entire resistance of the steel as long as casing resists against tensile buckling. As a result, braces act as structural fuse and lead to plastic behaviors, beams, and columns remain elastic in the seismic process. This study builds, tests and numerically models a buckling restrained brace to evaluate sample adequacy to meet requirements of the AISC 341-16 code.

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AISC341-16, “Seismic provisions for structural steel buildings”, Chicago: American Institute of Steel Construction, 2016.
Kersting RA, Fahnestock LA, Lopez WA, “Seismic design of steel buckling-restrained braced frames: a guide for practicing engineers”, NEHRP Seismic Design Technical Brief, 2015, 11, NIST GCR 15-917-34.
Sabelli R, Lopez W, Steel tips: “Design of buckling-restrained braced frames”, Structural Steel Educational Council, 2004.
Christopher Ar, Fahnestock LA, “Evaluation of buckling-restrained braced frame seismic performance considering reserve strength”, Journal of Engineering Structures, 2011, 33 (1), 77-89.
       https://doi.org/10.1016/j.engstruct.2010.09.020
Sabelli R, Stephen M, Chunho, “Seismic demands on steel braced frame buildings with buckling-restrained braces”, Engineering Structures, 2003, 25 (5), 655-666.
       https://doi.org/10.1016/S0141 0296(02)00175-X
Kimura I, Hidetsugu H, “Process of manufacturing whisker crystalline silicon carbide”, U.S. Patent 20 Jan. 1976, 3, 933,984.
Mochizuki N, “An experimental study on buckling of unbonded braces under centrally applied loads”, Proc. Annual Meeting of the Architectural Institute of Japan,1980.
         https://doi.org/10.1016/j.jcsr.2019.04.042
Chae BG, Ichikawa Y, Jeong GC, Seo YS, Kim BC “Roughness measurement of rock discontinuities using a confocal laser scanning microscope and the Fourier spectral analysis”, Engineering Geology, 2004, 72, 3-4, 181-199.
       https://doi.org/10.1016/j.enggeo.2003.08.002
Wigle Victoria R, Fahnestock LA, “Buckling-restrained braced frame connection performance”, Journal of Constructional Steel Research, 2020, 66 (1), 65-74.          https://doi.org/10.1016/j.jcsr.2009.07.014
Di Sarno L, Elnashai AS, “Bracing systems for seismic retrofitting of steel frames”, Journal of Constructional Steel Research, 2009, 65 (2), 452-465.
         https://doi.org/10.1016/j.jcsr.2008.02.013
Lopez WA, Sabelli R, “Seismic Design of Buckling Restrained Braced Frames”, DASSE Design, Inc., US, 2004.
Uang CM, Nakashima M, Tsai KC, “Research and application of buckling restrained braced frames”, International Journal of Steel Structure, 2004, 4, 301-13.
Takeuchi T, Ida M, Yamada S, Suzuki K, “Estimation of cumulative deformation capacity of buckling restrained braces”, Journal of Structural Engineering, ASCE 2008, 134, 822-831.                               https://doi.org/10.1061/(ASCE)07339445(2008)134:5(822)
Sabelli R, Mahin S, Chang C, “Seismic demands on steel braced frame buildings with buckling-restrained braces”, Engineering Structures, 2003, 25, 655-666.
        https://doi.org/10.1016/S0141-0296(02)00175-X
Gholhaki M, Pachideh G, Lashgari R, Rezayfar O, “Experimental and numerical study of buckling restrained bracing behavior with combined steel and polyamide sheath”, Iranian Society of Structural Engineering, 2013, 5 (4), 88-108.
         https://doi.org/10.22065/jsce.2017.86109.1190
Tabatabaie A, Mirghaderi R, Hosseini A, “Experimental and numerical developing of reduced length buckling restrained braces”, Engineering Structures, 2014, 77, 143-160.
Eryasar ME, “Experimental and Numerical investigation of buckling restrained braces”, [Master of Science in Civil Engineering]: Middle East Technical University; 2009.
Dehghani M, Tremblay R, “Standard dynamic loading protocols for seismic qualification of BRBFs in eastern and western Canada”, In: Proceeding of 15th world conference on earthquake engineering. Lisbon, Portugal: International Association for Earthquake Engineering, 2012.
Tremblay R, Poncet L, Bolduc P, Neville R, DeVall R, “Testing and design of buckling restrained braces for Canadian application”, In: Proceeding of 13th world conference on earthquake engineering, 2004.