New test and design methods for steel roof battens subject to fatigue pull-through failures

Kathekeyan, Myuran; Mahendran, Mahen

doi:10.1016/j.tws.2017.07.007

Cited by 21 publications

(5 citation statements)

References 14 publications

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“…On the foundation of this research, Osvaldo 10 utilized an existing three‐dimensional fatigue criterion, associating it with fatigue damage observed in tests, and developed a simplified fatigue criterion that demonstrated good agreement with the experimental results. Kathekeyan 11 designed three types of small‐scale fatigue tests to assess the fatigue failure of thin‐walled steel roof battens connected by screws. These tests were compared with full‐scale test results, 12 analyzing the feasibility of small‐scale testing and proposing a simple fatigue design formula.…”

Section: Introductionmentioning

confidence: 99%

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Experimental study on high‐cycle fatigue performance of cold‐rolled steel sheet connections using self‐tapping screws and blind rivets

Wang,

2024

Fatigue Fract Eng Mat Struct

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To provide more suggestions for the anti‐fatigue design of cold‐formed steel, a series of high‐cycle fatigue tests are carried out on cold‐rolled steel sheets connected by self‐tapping screws and blind rivets in this paper. Subsequently, fatigue failure mode, fatigue strength, and fatigue damage are analyzed in detail. The test results show that all effective data points are below the S‐N curve of screws in the code. Meanwhile, the fatigue limit values of the fitted curves with 95% survival probability fall within the range of 0.3 to 0.67 times the specified value. Besides, the fatigue damage expansion rate of cold‐rolled steel sheets is less than the standard value. Through further discussion, it is noticed that metal grade has little influence on the fatigue performance, while thickness has a significantly positive influence on the shear resistance and fatigue performance. Moreover, the fatigue performance of the two connection types appears to be similar.

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Section: Introductionmentioning

confidence: 99%

“…These studies primarily explored the impact of cold bending on the profiles. 7,8 Additionally, some researchers [9][10][11][12] investigated the wind-induced fatigue failure of roof panels connected by self-tapping screws.…”

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confidence: 99%

Experimental study on high‐cycle fatigue performance of cold‐rolled steel sheet connections using self‐tapping screws and blind rivets

Wang,

2024

Fatigue Fract Eng Mat Struct

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“…The connection forms of key nodes in a single-layer membrane roof system are mainly screws, roof panels, and purlins. The main failure modes are pull-through failure and pull-out failure [17,18]. The joint connections of a standing seam metal roofing system mainly includes the roof panel, support, screws, etc., and their failure modes mostly involve the roof panel and the support.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on Static Wind Uplift Resistance of Roofing Systems

Cheng,

Cheng

2023

Buildings

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Metal roof systems were widely utilized in various important buildings; however, cases of wind damage were often observed. In this paper, wind uplift tests of standing seam aluminum magnesium manganese and continuous welded stainless-steel roof systems were conducted, and the wind resistance bearing capacity and mechanical properties of key joints in the two roof systems were compared and analyzed. Strain gauges and displacement sensors were arranged at different structural layers and key nodes of the roof system to compare and analyze the stress and displacement changes. The results showed that the wind resistance capacity of the continuous welded stainless-steel roof system was more than 25% higher than that of the standing seam aluminum magnesium manganese roof system. The stress and displacement of the roof system gradually increased with the increase in wind load. Obvious differences in stress at different positions of the two roof systems were identified. The stress at the roof panel of the roof system was greater than that of other structural layers, and the maximum displacement of the roof panel in the elastic stage could reach more than 97.5 mm. The fitting coefficient between the test and the finite element was 0.976, and the ultimate bearing capacity of Specimen B was 479.64 MPa. The research results of this paper can provide some data support and reference for engineering design and applications.

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“…Myuran carried out a dynamic fatigue loading test on the mechanical properties of the standing-seam roof system. A calculation method for the fatigue performance of the roof system is proposed [10,11]. Schroter measured the wind-resistance capacity of a specific plate type by static pressure test [12].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Natural Vibration Characteristics of Metal Roof Panel of Large-Span Standing-Seam Metal Roof System

Xie,

Zhang

2023

Buildings

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Metal roof systems are widely used in various landmark buildings. Understanding the natural vibration characteristics and primary influence of the roof system is useful for improving the roof system’s service life and maintaining the project’s safety. In addition, it is helpful to analyze the vibration force of the structure under earthquake and wind load. In this paper, the experimental investigation of the natural vibration characteristics (NVC) of two commonly used structural forms of standing-seam metal roof systems is carried out, and the influence of different boundary conditions, specimen width, panel width, and other parameters on the NVC are considered. The influence of different factors on the NVC of the roof system is analyzed in detail, and the main influencing factors and secondary influencing factors are studied. The research results show apparent differences in the NVC of the side and middle span of the roof panel under different parameters. The structural form has the most significant influence on the NVC of the roof panel, and the maximum influence on the peak acceleration (PA) and the fundamental frequency (FF) of the roof panel are 83.7% and 60%, respectively. The width of the specimen has a minor influence on the FF of the roof panel, and the minimum influence range is 6.9%. The influence of structural form, constraint form, specimen width, and panel width on the PA of the roof panel is far more significant than it is on the FF, with the difference between the two reaching 44.2%.

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New test and design methods for steel roof battens subject to fatigue pull-through failures

Cited by 21 publications

References 14 publications

Experimental study on high‐cycle fatigue performance of cold‐rolled steel sheet connections using self‐tapping screws and blind rivets

Experimental study on high‐cycle fatigue performance of cold‐rolled steel sheet connections using self‐tapping screws and blind rivets

Experimental Study on Static Wind Uplift Resistance of Roofing Systems

Analysis of Natural Vibration Characteristics of Metal Roof Panel of Large-Span Standing-Seam Metal Roof System

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