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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.76 No.6
- 발행연도
- 2020.1
- 수록면
- 687 - 708 (22page)
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초록· 키워드
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Openings in steel plate shear walls (SPSWs) are usually used for decorative designs, crossing locations of multiple utilities and/or structural objectives. However, earlier studies showed that generating an opening in an SPSW has a negative effect on the cyclic performance of the SPSW. Therefore, this study proposes tripling or doubling the steel-sheet-plate (SSP) layer and stiffening the opening of the SPSW to provide a solution to undesirable opening effects, improve the SPSW performance and provide the infill option of potential strengthening measures after the construction stage. The study aims to investigate the impact of SSP doubling with a stiffened opening on the cyclic behaviour, expand the essential data required by structural designers and quantify the SPSW performance factors. Validated numerical models were adopted to identify the influence of the chosen parameters on the cyclic capacity, energy dissipation, ductility, seismic performance factors (SPF) and stiffness of the suggested method. A finite Element (FE) analysis was performed via Abaqus/CAE software on half-scale single-story models of SPSWs exposed to cyclic loading. The key parameters included the number of SSP layers, the opening size ratios corresponding to the net width of the SSP, and the opening shape. The findings showed that the proposed assembly method found a negligible influence in the shear capacity with opening sizes of 10, 15, 20%. However, a deterioration in the wall strength was observed for openings with sizes of 25% and 30%. The circular opening is preferable compared with the square opening. Moreover, for all the models, the average value of the obtained ductility did not show substantial changes and the ultimate shear resistance was achieved after reaching a drift ratio of 4.36%. Additionally, the equivalent sectional area of the SSP in the twin and triple configuration of the SPSWs demonstrated approximately similar results. Compared with the single SSP layer, the proposed configuration of the twin SSP layer with a stiffened opening suggest to more sufficiency create SSP openings in the SPSW compared to that of other configurations. Finally, a tabular SPF quantification is exhibited for SPSWs with openings.
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참고문헌 (39)
참고문헌 신청
Afshari, M. J. / 2018 / Shear strength degradation of steel plate shear walls with optional located opening / Arch. Civil Mech. Eng 18(4):1547~1561
Al, A. W. / 2020 / Flexural performance of square concrete-fi lled steel tube beams stiffened with V-shaped grooves / J. Construct. Steel Res 166:105930~105930
Al Zand, A. W. / 2015 / Finite element analysis of square CFST beam strengthened by CFRP composite material / Thin Wall. Struct 96:348~358
Alavi, E. / 2013 / Experimental study on diagonally stiffened steel plate shear walls with central perforation / J. Construct. Steel Res 89:9~20
Mustafa M. Ali / 2018 / Numerical study of the cyclic behavior of steel plate shear wall systems (SPSWs) with differently shaped openings / Steel and Composite Structures, An International Journal 26(3):361~373
Al, A. W. / 2020 / Flexural performance of square concrete-fi lled steel tube beams stiffened with V-shaped grooves / J. Construct. Steel Res 166:105930~105930
Al Zand, A. W. / 2015 / Finite element analysis of square CFST beam strengthened by CFRP composite material / Thin Wall. Struct 96:348~358
Alavi, E. / 2013 / Experimental study on diagonally stiffened steel plate shear walls with central perforation / J. Construct. Steel Res 89:9~20
Mustafa M. Ali / 2018 / Numerical study of the cyclic behavior of steel plate shear wall systems (SPSWs) with differently shaped openings / Steel and Composite Structures, An International Journal 26(3):361~373
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