Experimental and Numerical Analysis on Pull-Out Resistance of Crimp-Type Stainless Steel Seam Supports

WANG Jingfeng; GAO Jianfa; LIU Yong; LI Shenyao; ZHANG Quangu

doi:10.3724/j.gyjzG22101909

Volume 55 Issue 3

Mar. 2025

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2025 > 55(3): 188-195

WANG Jingfeng, GAO Jianfa, LIU Yong, LI Shenyao, ZHANG Quangu. Experimental and Numerical Analysis on Pull-Out Resistance of Crimp-Type Stainless Steel Seam Supports[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(3): 188-195. doi: 10.3724/j.gyjzG22101909

Citation:

WANG Jingfeng, GAO Jianfa, LIU Yong, LI Shenyao, ZHANG Quangu. Experimental and Numerical Analysis on Pull-Out Resistance of Crimp-Type Stainless Steel Seam Supports[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(3): 188-195. doi: 10.3724/j.gyjzG22101909

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Experimental and Numerical Analysis on Pull-Out Resistance of Crimp-Type Stainless Steel Seam Supports

doi: 10.3724/j.gyjzG22101909

1. College of Civil Engineering, Hefei University of Technology, Hefei 230009, China;
2. Shanghai Jingrui Metal Building System Co., Ltd., Shanghai 201100, China;
3. Changjiang Jinggong Steel Structure(Group)Co., Ltd., Lu'an 237011, China

Received Date: 2022-10-19
Available Online: 2025-06-07
Publish Date: 2025-03-20

Abstract

Abstract

To improve the wind uplift capacity of the support of standing seam metal roofing， the paper designed a crimp-type stainless steel seam support. Three group of pull-out tests were conducted to study the loading process and failure modes of different connection parts of the support， and the influence of the thickness of the support on the pull-out resistance of different connection parts was studied. The results indicated that the pull-out resistance of the support was higher than that of the traditional T-code support， which verified the effectiveness and feasibility of the support. The bearing capacity of the connection between tapping screws and the hook of the crimp-type support base was much higher than that of the curved section， thereby the main failure mode of the support was the straightening and detachment of the curved section. Afterward， the finite element model of the pull-out tests was established. On the basis of verifying the reliability of the model， the influence of parameters such as the thickness， length， diameter and steel material of the curved section on the pull-out resistance of the support was studied. It was shown that the pull-out resistance of the curved section of the support increased with the increase of the thickness， length and strength of the curved section， and decreased with the increase of the diameter of the curved section.
- crimp-type stainless steel seam support,
- metal roof,
- pull-out test,
- finite element simulation,
- failure mode

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References

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