Evaluation of the seismic behavior of semi-supported steel shear walls with different ratio and shape of openings

Kholerdi, Seyed Ebrahim Sadat; Nazarimofrad, Ebrahim; Farrokhzad, Milad; Topal, Umut

doi:10.1080/13287982.2018.1449620

Cited by 4 publications

(2 citation statements)

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“…Moreover, the ductility of the stiffened perforated SPSW was about 14% larger than that of the unstiffened SPSW. Similar results in terms of the effects of stiffeners on response characteristics of SPSWs were observed by Nassernia and Showkati, [18] Bhowmick, [19] Hosseinzadeh and Tehranizadeh, [20] Shafaei et al, [21] and Kholerdi et al [22] Quasi-static tests on three 1:3 scaled SPSW specimens having two rectangular openings were performed by Sabouri-Ghomi and Mamaziz. [23] They considered the interval between the two openings and their closeness to the frame columns as variables.…”

Section: Literature Reviewsupporting

confidence: 75%

“…The selection of opening area was based on [29] and also considering the opening area relative to the plate area chosen in similar previous studies. [7,22,25] The location of the opening was selected with the aim of studying the effects of opening at the plate's corner which is categorized as the case in which the opening is located at the diagonal of the plate. For comparison, corresponding set of specimens were also considered to study the effects of opening located at off-diagonal of the plate (specimens with opening at middle top of the plate).…”

Section: Specimens' Characteristics and Test Setupmentioning

confidence: 99%

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Experimental cyclic performance of steel shear walls with single rectangular opening

Kordzangeneh

Showkati

Rezaeian

et al. 2020

Structural Design Tall Build

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SummaryThis paper presents the results of evaluating the effects of the location and size of rectangular opening on the cyclic performance of steel plate shear wall (SPSW) systems through an experimental study. A total of seven 1:6 scale SPSW specimens were tested under quasi‐static cyclic loads. Apart from a solid (without opening) specimen, six specimens with different opening locations and sizes were considered. The rectangular opening in the SPSW specimens with the relative opening‐to‐plate area of 4.00, 6.76% and 10.24% caused a reduction in maximum shear capacity by 28%, 33%, and 46% respectively. A similar trend was also noticed in the reduction of initial stiffness. The test results proved good performance of the stiffeners around the opening perimeter in preventing the zipping of the plate at these regions. However, from the drift ratio of 1.0%, the tearing of the plate began gradually and was followed by significant strength degradation. Because of the buckling and snap‐back of the plate, pinching in force‐displacement of all the specimens was observed. Also, a finite element simulation of all the specimens was performed, which led to acceptable results in terms of the characteristics of force‐displacement response.

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