Research on In-Plane Deformation Performance of Masonry Walls Confined with Prefabricated Cold-Formed Steel Tie-Columns

XIE Zhiqiang; GAO Chengwei; QIAN Zengzhi; BI Ye; TANG Shengqiang; YI Hang; LIU Hongjiang; DING Shijun

doi:10.3724/j.gyjzG24112908

Volume 55 Issue 4

Apr. 2025

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2025 > 55(4): 88-95

XIE Zhiqiang, GAO Chengwei, QIAN Zengzhi, BI Ye, TANG Shengqiang, YI Hang, LIU Hongjiang, DING Shijun. Research on In-Plane Deformation Performance of Masonry Walls Confined with Prefabricated Cold-Formed Steel Tie-Columns[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(4): 88-95. doi: 10.3724/j.gyjzG24112908

Citation:

XIE Zhiqiang, GAO Chengwei, QIAN Zengzhi, BI Ye, TANG Shengqiang, YI Hang, LIU Hongjiang, DING Shijun. Research on In-Plane Deformation Performance of Masonry Walls Confined with Prefabricated Cold-Formed Steel Tie-Columns[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(4): 88-95. doi: 10.3724/j.gyjzG24112908

Citation:

XIE Zhiqiang, GAO Chengwei, QIAN Zengzhi, BI Ye, TANG Shengqiang, YI Hang, LIU Hongjiang, DING Shijun. Research on In-Plane Deformation Performance of Masonry Walls Confined with Prefabricated Cold-Formed Steel Tie-Columns[J]. INDUSTRIAL CONSTRUCTION, 2025, 55(4): 88-95. doi: 10.3724/j.gyjzG24112908

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Research on In-Plane Deformation Performance of Masonry Walls Confined with Prefabricated Cold-Formed Steel Tie-Columns

doi: 10.3724/j.gyjzG24112908

1. School of Civil and Transportation Engineering, Beijing University of Civil Engineering and Architecture, Beijing 100044, China;
2. China Railway Construction Group Co., Beijing 100040, China;
3. State Grid Electric Power Engineering Research Institute Co., Ltd., Beijing 100031, China

Received Date: 2024-11-29
Available Online: 2025-06-07
Publish Date: 2025-04-01

Abstract

Abstract

This paper proposed a masonry infill wall confined with prefabricated cold-formed steel tie-columns（W-PCFSTC） to solve the problems of complex construction procedures， poor construction quality and low restraint capacity of reinforced concrete tie-columns in RC frame masonry infill walls. Through the cyclic loading test， the failure modes， inital stiffness，bearing capacity， deformation capacity， and displacement ductility of the two types of walls were compared and analyzed. A parametric analysis was conducted using a decoupled numerical model to investigate the effects of the section thickness of prefabricated cold-formed steel tie-columns（PCFSTC） and screw spacing on the lateral stiffness， bearing capacity， and deformation capacity of W-PCFSTC. In addition， the simplified mechanical model of W-PCFSTC was proposed， and the calculation method for calculating its lateral stiffness was obtained. The results indicated that the W-PCFSTC exhibited better bearing capacity and deformation capacity compared to W-TRCTC. With the increase of thickness， the in-plane constraint effect of the PCFSTC was improved， resulting in enhanced deformation performance of W-PCFSTC. The proposed lateral stiffness calculation method for W-PCFSTC fully considered both the flexural stiffness of the composite frame and shear stiffness of the masonry infill wall， and the calculated results were in good agreement with the simulated values.
- W-PCFSTC,
- failure mode,
- deformation capacity,
- simplified mechanical model,
- lateral stiffness calculation method

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References

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