Research on the Shear-Slip Constitutive Relationship of Self-Tapping Screw Connections for Cold-Formed Steel Plates

LI Yingshan; ZHANG Junfeng; FENG Mengmeng

doi:10.3724/j.gyjzG23103107

Volume 56 Issue 3

Mar. 2026

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LI Yingshan, ZHANG Junfeng, FENG Mengmeng. Research on the Shear-Slip Constitutive Relationship of Self-Tapping Screw Connections for Cold-Formed Steel Plates[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(3): 126-135. doi: 10.3724/j.gyjzG23103107

Citation:

LI Yingshan, ZHANG Junfeng, FENG Mengmeng. Research on the Shear-Slip Constitutive Relationship of Self-Tapping Screw Connections for Cold-Formed Steel Plates[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(3): 126-135. doi: 10.3724/j.gyjzG23103107

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Research on the Shear-Slip Constitutive Relationship of Self-Tapping Screw Connections for Cold-Formed Steel Plates

doi: 10.3724/j.gyjzG23103107

1. School of Civil Engineering, Zhengzhou University, Zhengzhou 450001, China;
2. School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou 450001, China

Received Date: 2023-10-31
Available Online: 2026-04-11
Publish Date: 2026-03-20

Abstract

Abstract

As an important connector in cold-formed steel structures， the shear performance and failure modes of self-tapping screws directly affect the mechanical properties and failure modes of the structure. At present， researchers worldwide have focused mainly on the shear capacity of single self-tapping screws， while the studies related to the shear-slip constitutive relationship are scarce. Therefore， this paper summarized and analyzed both previous shear test results of single self-tapping screws and the tests conducted in this study. Using the XTDIC three-dimensional full-field strain measurement and analysis system， an in-depth analysis of the shear failure mechanism of self-tapping screw connections in cold-formed steel was conducted. Considering the effects of screw diameter， plate thickness， and material properties， two shear-slip constitutive models corresponding to the two major shear failure modes of such connections were proposed， which showed good agreement with the experimental results.

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References(22)

References

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