Full-scale tests on the mechanical behaviour of a continuously welded stainless steel roof under wind excitation

Ou, Tong; Wang, Dayang; Xin, Zhiyong; Tan, Jian Feng; Wu, Chengqing; Guo, Qiangwen; Zhang, Yongshan

doi:10.1016/j.tws.2020.106680

Cited by 11 publications

(8 citation statements)

References 23 publications

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“…The CWSSR system comprises the roof slab, secondary slat, and mainboard strip. The standard connection details of the CWSSR system are described in the previous study 1 . The thermal behavior of a small‐scale CWSSR system is measured and the specimen is illustrated in Figure 1.…”

Section: Temperature Distribution Of Small‐scale Cwssr Systemmentioning

confidence: 99%

“…The finite element model size and design of a full‐scale CWSSR system are adopted in a practical project 1 . A cuboid is established to consider the influence of air convection heat transfer to simulate the external flow field, as shown in Figure 9.…”

Section: Thermal Effect Of Full‐scale Cwssr Systemmentioning

confidence: 99%

“…The finite element model size and design of a full-scale CWSSR system are adopted in a practical project. 1 A cuboid is established to consider the influence of air convection heat transfer to simulate the external flow field, as shown in Figure 9. The length and thickness of the roof slab are 6300 and 0.5 mm, the slab rib height is 16 mm, and the width of the side span and middle span are 310 and 400 mm, respectively.…”

Section: Finite Element Model and Boundary Conditionsmentioning

confidence: 99%

“…With the continuous development of cold bending technology, various roof systems are applied to massive landmark engineering 1–3 . During the operation and construction period, the temperature field distribution of the large‐span steel structures is uneven, and the change is noticeable 4,5 .…”

Section: Introductionmentioning

confidence: 99%

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Experimental and simulation analysis of thermal behavior of large‐span roof system under solar radiation

Wang

Xin

et al. 2023

Structural Design Tall Build

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The large-span metal roof systems can produce a significant nonuniform temperature effect under solar radiation, leading to potential safety hazards. An experiment is conducted to study the nonuniform thermal behavior of a small-scale continuous welded stainless steel roof (CWSSR) system under solar radiation. The small-scale CWSSR system considered different roof slopes and sunward side and nightside. The efficiency of the numerical analysis of the thermal behavior of the roof slab is verified in comparison with the experimental results. Based on the numerical and experimental results, the thermal effect of a full-scale CWSSR system is studied under different orientations, wind speeds, and atmospheric temperature. Through the analysis of research results, the nonuniform thermal features of the CWSSR system are significant and cannot be overlooked. The temperature difference between the sunward side and nightside roof slab is positively correlated with the roof slope. The thermal behavior of the CWSSR system is greatly influenced by wind speeds but is less affected by orientations and atmospheric temperature.

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Section: Temperature Distribution Of Small‐scale Cwssr Systemmentioning

confidence: 99%

Section: Thermal Effect Of Full‐scale Cwssr Systemmentioning

confidence: 99%

Section: Finite Element Model and Boundary Conditionsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Experimental and simulation analysis of thermal behavior of large‐span roof system under solar radiation

Wang

Xin

et al. 2023

Structural Design Tall Build

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“…Since the roof sheetings are thin, conventional welding methods are not applicable. Resistance welding is a kind of pressing between two electrodes after welding combination (Ou et al, 2020), as plotted in Fig. 2.…”

Section: Overview Of the Cwssr Systemmentioning

confidence: 99%

Experimental Study on Mechanical Properties of Continuous Welding Stainless Steel Roof System under Temperature Effect

Wang

Xin³

et al. 2021

KSCE J Civ Eng

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Stainless steel is used as a new generation of long-span metal roof systems with continuous welding technology, which exhibits many unknown behaviors during temperature action. This study focuses on the temperature effect of a continuous welded stainless steel roof (CWSSR) system and analyzes the stress distribution of plate rib (PR), plate surface (PS), and support (SU), and the horizontal and vertical displacement. Furthermore, the thermal action of the CWSSR system is comprehensively analyzed considering different loading rates, constant temperature time, and the cycle number. Research results show that the stress concentration and thermal expansion of the CWSSR system are obvious, and fatigue damage occurs under long-term temperature action. The responses of the CWSSR system are greatly influenced by the loading rate and the cycle number but are less influenced by the constant temperature time. Loading rate and the cycle number mainly affect the plate surface stress and vertical displacement. The plate surface stress and vertical displacement peak increased by 34.6% and 29.6% with the loading rate, and changed by 32.4% and 42.5% with the cycle number. Cyclic loading reduces support tensile capacity by 4.4%. The research results can provide reference for the design and application of temperature field resistance of the CWSSR system.

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Experimental investigation on the thermal behavior of two typical stainless steel roof systems

Chong,

Xin,

Wang

et al. 2024

Structural Design Tall Build

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SummaryUnder long‐term exposure to solar radiation and temperature difference, metal roof systems produce a noticeable thermal behavior. The thermal behavior experiment of two typical metal roof systems in engineering was studied. The temperature stress and displacement of the two typical metal roof systems under different influencing factors are compared and analyzed. The results show that the thermal behavior of the stainless steel roof system is significant. The peak stress accounts for about 69.9% of the stainless steel yield strength, and the peak displacement accounts for 3/3500 of the slab span. The loading rate and temperature difference greatly influence the thermal behavior of the two typical roof systems. The maximum influence of temperature difference and loading rate on the thermal behavior is 77.8% and 67.3%, respectively. The holding temperature time has a minor influence on the thermal behavior of the two typical roof systems, and the maximum influence range is less than 7%. The research conclusions provide a valuable reference for the thermal design of metal roof systems.

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Full-scale tests on the mechanical behaviour of a continuously welded stainless steel roof under wind excitation

Cited by 11 publications

References 23 publications

Experimental and simulation analysis of thermal behavior of large‐span roof system under solar radiation

Experimental and simulation analysis of thermal behavior of large‐span roof system under solar radiation

Experimental Study on Mechanical Properties of Continuous Welding Stainless Steel Roof System under Temperature Effect

Experimental investigation on the thermal behavior of two typical stainless steel roof systems

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