Steel Plate Shear Walls with Various Infill Plate Designs

Choi, In-Rak; Park, Hong-Gun

doi:10.1061/(asce)0733-9445(2009)135:7(785)

Cited by 119 publications

(79 citation statements)

References 5 publications

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“…In the active method, the steel infill panel is prevented from transferring the tension field forces to the boundary columns by actively separating the wall from the column and connecting the infill wall to only the boundary beams (Xue and Lu, 1994;Choi and Park, 2009;Guo et al, 2011;Vatansever and Yardimci, 2011). Given that there are no additional fabrication costs, the active method is certainly more cost effective.…”

Section: Background and The Past Researchmentioning

confidence: 99%

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Development of a high-performance steel plate shear wall system

Qian

Asl

2016

IJEIE

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Abstract:To date, the design of unstiffened steel shear walls has three issues that make them expensive to employ: 1) large columns resulting from the shear wall applying lateral loads to the columns; 2) expensive field-welded moment connections; 3) buckling of the steel plate under service earthquakes and winds. A new, innovative system, called the high-performance steel shear wall system, is developed and proposed by the authors to solve these problems. In this system: 1) the steel plate shear wall is not connected to the columns, therefore, the columns do not experience large lateral forces; 2) the beam-to-column connections consist of an innovative and cost-effective connection developed by the authors, referred to as a gusset plate moment connection; 3) the thickness of the plate is independent of the column size, enabling the use of thicker plates to prevent buckling of the steel plate under service loads.Keywords: steel shear wall; structural engineering; earthquake engineering; design of steel structures; seismic design; moment connections; gusset plate; performance-based design; design for wind; tall buildings; welds; bolts; steel construction; retrofit of buildings; modular construction.Reference to this paper should be made as follows: Qian, X. and Astaneh-Asl, A. (2016) 'Development of a high-performance steel plate shear wall system', Int. J. Earthquake and Impact Engineering, Vol. 1, Nos. 1/2, pp.57-80. Biographical notes:Xin Qian is currently a PhD candidate at the University of California at Berkeley. She obtained her BS degree at the Hong Kong Polytechnic University and MS in Civil Engineering from the University of California, Berkeley. Her research interests include steel and composite structures, earthquake engineering for buildings and bridges. She is the recipient of the first Professor T.Y. Lin Fellowship in Structural Engineering at UC Berkeley and is active in student activities in earthquake engineering as the President of the EERI Berkeley student chapter.Abolhassan Astaneh-Asl is currently a Professor of Structural Engineering in the Department of Civil and Environmental Engineering at the University of California, Berkeley. He has over 48 years of experience in design, research and teaching courses in structural engineering, earthquake engineering, protection of structures against blast and impact. He has published more than 300 journal papers, conference papers, technical reports and other scholarly publications in his fields of interest. He has been practising structural engineering and design of buildings, bridges and other structures since 1968 and has designed more than two million square metres of building structures. 58X. Qian and A. Astaneh-Asl

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Section: Background and The Past Researchmentioning

confidence: 99%

“…The stiffeners considered in the past (Guo et al, 2011;Choi and Park, 2009) involved only small flat plates or header plates. Our study considered various feasible and easy-to-acquire structural shapes as side-stiffeners to determine their effects on the performance of the new system.…”

Section: Effect Of Side Stiffenersmentioning

confidence: 99%

Development of a high-performance steel plate shear wall system

Qian

Asl

2016

IJEIE

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“…They also developed an evaluation for ultimate capacity of such a system [11,12]. Other researchers disconnected steel plate from columns to eliminate pull-in forces [13,15]. The contribution of the infill plate connected only to the beams of the boundary frame was found to be significant in terms of energy dissipation, initial stiffness and lateral strength.…”

Section: Introductionmentioning

confidence: 99%

“…The contribution of the infill plate connected only to the beams of the boundary frame was found to be significant in terms of energy dissipation, initial stiffness and lateral strength. SPSWs with infill plates attached only to the beams should be useful for retrofitting and strengthening steel frames that have inadequate stiffness and strength with reduced labour and material savings due to the absence of the connections between columns and infill plate edges [14].Park [13] reported that SPSWs with infill plates connected only to the beams exhibited an excellent deformation capacity equivalent to that of the walls with fully connected infill plates, although its load-carrying capacity and energy dissipation capacity decreased. Some researchers investigated the effect of outrigger beams on the behaviour of steel plate shear walls [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

“…Based on this figure a mesh size of 150mm has a good agreement with theory and taken as the minimum requirement for analysis. To validate the modeling procedure, the 3-story SPSW frame tested by In-Rak Choi and Hong-Gun Park [13], was remodeled and analyzed. Based on test results the materials yield stress which were used for infill plate and frame is 299 MPa and 377 MPa respectively.…”

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Behaviour of Steel Plate Shear Wall in Multi Span Moment Frame with Various Infill Plate Connection to Column

2018

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Steel plate shear walls consist of thin infill steel plates attached to beams, called (horizontal boundary elements, HBEs), and columns (vertical boundary elements, VBEs) in structural steel frames. The thin unstiffened web plates are expected to buckle in shear at low load levels and develop tension field action, providing ductility and energy dissipation through tension yielding of the web plate. HBEs are designed for stiffness and strength requirements and are expected to anchor the tension field formation in the web plates. VBEs are designed for yielding of web plates and plastic hinge formation at the ends of the HBEs. This design approach may result in very large demand on boundary frame members, especially VBEs in most cases. Several methods such as using LYP, perforating the infill plate and omitting connection of infill plate to columns have been proposed to reduce the moment and axial force demands on the VBEs. The main purpose of this research is to study the behavior of steel plate shear walls with various connection of infill plate to columns in multi span moment frames. A numerical study has been performed in order to investigate the behavior of such a system. The results of proposed system were compared with those of the conventional SPSWs. Results show that reducing the infill plate connection to columns will reduce the axial forces in columns.

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Theoretical models of key parameters for performance‐based seismic design of new partially connected steel plate shear wall with vertical square tube stiffeners

Kang

Cui

et al. 2022

Earthq Engng Struct Dyn

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The main problems of steel plate shear walls in current studies can be grouped into two categories: the unexpected bulky column or column failure in fully connected steel plate shear walls (FCSPSWs), and the low shear capacity in steel plate shear walls attached to the beam only (BOSPSW). Therefore, a partially connected steel plate shear wall with vertical square tube stiffeners (PCSPSW‐VSTS) is proposed in this work. There are three contribution points. Firstly, flexural stiffness thresholds of beams for BOSPSW and PCSPSW‐VSTS are proposed to ensure the uniform partial tension fields in the infill plates. Secondly, theoretical models of tension field inclination angles in BOSPSW and PCSPSW‐VSTS are proposed. Comparison results using proposed theoretical models, experiments, and simulations indicate that the proposed equations for the inclination angle can accurately predict the direction of principal tension stress for BOSPSW and PCSPSW‐VSTS. Thirdly, the shear capacity theoretical model of PCSPSW‐VSTS is proposed, which agrees well with experimental and numerical results. Besides, parametric studies of PCSPSW‐VSTS are conducted to investigate energy dissipation behavior and the effect of various stiffeners, which show that the square tube stiffener is efficient and economical, and the behavior of PCSPSW‐VSTS is better than that of FCSPSW in terms of shear capacity and energy dissipation. The proposed theoretical models can be adopted to develop the performance‐based seismic design of BOSPSW and PCSPSW‐VSTS. The proposed theoretical models avoid the simulation, the experiment, and the complicated solution of governing equations, which are suitable for designing buildings with SPSW in high‐intensity areas.

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Steel Plate Shear Walls with Various Infill Plate Designs

Cited by 119 publications

References 5 publications

Development of a high-performance steel plate shear wall system

Development of a high-performance steel plate shear wall system

Behaviour of Steel Plate Shear Wall in Multi Span Moment Frame with Various Infill Plate Connection to Column

Theoretical models of key parameters for performance‐based seismic design of new partially connected steel plate shear wall with vertical square tube stiffeners

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