Improved Steel Beam-Column Connections in Industrial Structures

Bishay-Girges, Nagui William

doi:10.48084/etasr.3248

Cited by 4 publications

(4 citation statements)

References 13 publications

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“…So for the gusset plate stiffness the calculation was. (11) The composite action between concrete and steel had an impact on connection stiffness. There is an additional stiffness from the reinforcement with the following Equation below.…”

Section: Figure 6 Study Flowchartmentioning

confidence: 99%

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Parametric behaviour beam-to-column composite connection using CFS section

2022

IJATEE

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Steel is a series of iron-carbon alloys with welldefined component ratios. [1]. Steel has several advantages over other materials like concrete and wood. The steel quality could be controlled, produced massively, has high strength in tension, high ductility, and very homogenous and uniform material. Steel is divided into cold-formed steel (CFS) and hot-rolled steel (HRS) [2]. CFS has advantages over HRS, such as lightweight, could be formed for unusual sectional configuration, efficient structural application, and is relatively easy to be modified in the field [3]. Due to its lighter weight, the CFS is beneficial in reducing the weight of the building to reduce seismic activity. Connections are an important part of a steel structure, where a proper design and treatment are necessary to make the structure safe and economic [4].

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Section: Figure 6 Study Flowchartmentioning

confidence: 99%

“…All of the studies used the bolted connection and a slip-in gusset plate. Other non-composite connections discussed a portal frame [16−19], improvised connection for industrial structure [11], and welded connection in HRS beam-column [20].…”

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confidence: 99%

Parametric behaviour beam-to-column composite connection using CFS section

2022

IJATEE

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“…Full-depth stiffeners in the beam flanges avoid local buckling of the beam flange and allow to occur outside the haunch length. In addition, experimental and analytical studies have shown that a T-shaped haunch with triangular geometry is the most effective type of haunches among the different shapes [23][24].…”

Section: Introductionmentioning

confidence: 99%

Effect of The Haunch Angle and Stiffener Types on Column-Beam Connection Behaviour Under Static Loading

Sadid¹

2022

CEBEL

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The strong column-weak beam principle, one of the earthquake resistant building design theories, require the connection area to be strong enough so that the plastic hinge forms in the beam. One of the proposed solutions is to strengthen the column-beam connection zone in steel connection with haunches. This study aims to look at parametrically behavior of column-beam haunched connections under the 100mm vertical displacement controlled loading using the finite element method. To obtain this, a total number of 21 finite elements model with 15, 30, and 45 degrees angles and 6 various stiffener types has been modeled by ABAQUS software. The research later discussed behavior of underlying components of haunch connections models such as the load-displacement curve, bearing capacity, extended end plate bending, stress distribution, and the position of the plastic hinge's development after finite element analysis. The study found that decrease in haunch angle improve the connection's bearing capacity, while in this case, the failure modes and plastic hinges will occur close to the joints which does not meet the code requirements. The article concludes that the 30-degree haunch angle is the most appropriate one in haunch connection and the three parallel and K-stiffeners is the most suitable reinforcement type for the haunched connections.

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“…Nguyen and Kim developed a plastic hinge method using stability functions for nonlinear dynamic analysis of steel frames [6,7,13], including the effects of semi-rigid connections and also developed distributed plasticity methods using stability functions for nonlinear dynamic analysis of semi-rigid steel frames employed by the Hilber-Hughes-Taylor method for solving dynamic equations [14,15,17]. Recently, authors in [26][27][28] tried to investigate the behavior of steel frames with the effects of connections. To the best of our knowledge, there is no study on the fiber plastic hinge method using stability functions for nonlinear dynamic analysis of steel frames.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Inelastic Earthquake Analysis of 2D Steel Frames

Nguyen

2020

Eng. Technol. Appl. Sci. Res.

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In this work, a new method for nonlinear time-history earthquake analysis of 2D steel frames by a fiber plastic hinge method is presented. The beam-column element based on the displacement-based finite element method is established and formulated in detail using a fiber plastic hinge approach and stability functions. Geometric nonlinearities are taken into accounting by stability functions and the geometric stiffness matrix. A nonlinear dynamic algorithm is established based on the combination of the Newmark integration method and the Newton-Raphson iterative algorithm for solving dynamic equations. The proposed program predicts the nonlinear inelastic responses of 2D steel frames subjected to earthquakes as efficiently and accurately as commercial software. This study also shows that the initial residual stresses of steel should be considered in nonlinear inelastic time-history earthquake analysis of 2D steel frames while SAP2000 does not consider the effects of residual stresses.

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Improved Steel Beam-Column Connections in Industrial Structures

Cited by 4 publications

References 13 publications

Parametric behaviour beam-to-column composite connection using CFS section

Parametric behaviour beam-to-column composite connection using CFS section

Effect of The Haunch Angle and Stiffener Types on Column-Beam Connection Behaviour Under Static Loading

Nonlinear Inelastic Earthquake Analysis of 2D Steel Frames

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