Shear Strength of Unstiffened Steel I-Section Members

被引:16
|
作者
Daley, Aaron J. [1 ]
Davis, D. Brad [2 ]
White, Donald W. [3 ]
机构
[1] Brown & Kubican Struct Engineers, 2224 Young Dr, Lexington, KY 40505 USA
[2] Univ Kentucky, Dept Civil Engn, 373 Raymond Bldg, Lexington, KY 40506 USA
[3] Georgia Inst Technol, Sch Civil & Environm Engn, 790 Atlantic Dr, Atlanta, GA 30332 USA
关键词
Steel; Members; Shear; Stability; Plates; Metal and composite structures; WEB PANELS; RESISTANCE; GIRDERS;
D O I
10.1061/(ASCE)ST.1943-541X.0001639
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
Ultimate shear strengths of 20 unstiffened I-girder specimens from the literature and seven new specimens designed to fill gaps in the experimental data are compared with predictions from models recommended by Basler, Hoglund, and Lee and colleagues. Basler's model, which is based solely on an idealized web shear buckling resistance, is shown to be accurate for webs with slenderness between 60 and 100. However, it is very conservative for members with typical plate girder web slenderness ratios. Hoglund's methods, which aim to characterize the shear postbuckling capacity of unstiffened webs, are found to be accurate to conservative. The method by Lee and colleagues, which aims to predict the shear postbuckling strength of webs with widely spaced stiffeners, is accurate on average. However, this method significantly overpredicts the strength of several specimens. A proposed adaptation of Hoglund's recommendations from a 1997 article matches the current AISC shear buckling strength equations for stocky web panels, is very simple to apply, and provides predictions that are in between those of Hoglund's methods. This adaptation of Hoglund's equations gives shear resistances that are as high as 3.66times the capacity from Basler's model. The specific characteristics of the different shear resistance equations are discussed, and recommendations for potential further improvement are offered. The interaction between the shear and moment capacities is found to be insignificant, although many of the specimens are subjected simultaneously to shears and moments close to the calculated nominal strengths. Resistance factors are computed to facilitate potential inclusion in modern specifications. (C) 2016 American Society of Civil Engineers.
引用
收藏
页数:11
相关论文
共 50 条
  • [21] Investigation on shear buckling of steel welded I-section beams with reinforced web openings
    Wang, Jian
    Li, Zheng
    Euler, Mathias
    ce/papers, 2023, 6 (3-4) : 1754 - 1760
  • [22] Shear strength of tapered I-shaped steel members
    Studer, Ryan P.
    Binion, Chad D.
    Davis, D. Brad
    JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, 2015, 112 : 167 - 174
  • [23] Stainless steel beams of slender I-section
    Sorf, M.
    Jandera, M.
    ADVANCES IN ENGINEERING MATERIALS, STRUCTURES AND SYSTEMS: INNOVATIONS, MECHANICS AND APPLICATIONS, 2019, : 1113 - 1117
  • [24] Local buckling strength of pultruded FRP I-section with various mechanical properties compression members
    Choi, Jin-Woo
    Joo, Hyung-Joong
    Choi, Won-Chang
    Yoon, Soon-Jong
    KSCE JOURNAL OF CIVIL ENGINEERING, 2015, 19 (03) : 710 - 718
  • [25] Efficient algorithm for elastic buckling of corroded I-section steel members with Monte Carlo simulation
    Chen, Liang
    Liu, Si-Wei
    Zhang, Jing-Zhou
    Yam, Michael C. H.
    THIN-WALLED STRUCTURES, 2022, 175
  • [26] Experimental and analytical assessment of LTB resistance of built-up steel I-section members
    Slein, Ryan
    Kamath, Ajit M.
    Phillips, Matthew
    Sherman, Ryan J.
    Scott, David W.
    White, Donald W.
    JOURNAL OF CONSTRUCTIONAL STEEL RESEARCH, 2023, 204
  • [27] Experimental and numerical datasets for benchmark tests on high strength steel I-section frames
    Walport, Fiona
    Zhu, Yufei
    Yun, Xiang
    Gardner, Leroy
    DATA IN BRIEF, 2024, 53
  • [28] Plastic strength of thin-walled I-section members subjected to minor axis bending
    Ungureanu, V.
    Bambach, M. R.
    STEEL - A NEW AND TRADITIONAL MATERIAL FOR BUILDING, 2006, : 251 - +
  • [29] Local buckling strength of pultruded FRP I-section with various mechanical properties compression members
    Jin-Woo Choi
    Hyung-Joong Joo
    Won-Chang Choi
    Soon-Jong Yoon
    KSCE Journal of Civil Engineering, 2015, 19 : 710 - 718
  • [30] Behaviour and design of high strength steel homogeneous and hybrid welded I-section beams
    Zhu, Yufei
    Yun, Xiang
    Gardner, Leroy
    ENGINEERING STRUCTURES, 2023, 275