Research on the Flexural Performance of Light-Gauge Steel Keel-Fiber Cement Pressure Plates

CHEN Zhihua; ZHAO Xupeng; ZHOU Ting; XIE Yuhang; XIAO Xiao

doi:10.3724/j.gyjzG25031005

Volume 56 Issue 1

Jan. 2026

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CHEN Zhihua, ZHAO Xupeng, ZHOU Ting, XIE Yuhang, XIAO Xiao. Research on the Flexural Performance of Light-Gauge Steel Keel-Fiber Cement Pressure Plates[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(1): 41-54. doi: 10.3724/j.gyjzG25031005

Citation:

CHEN Zhihua, ZHAO Xupeng, ZHOU Ting, XIE Yuhang, XIAO Xiao. Research on the Flexural Performance of Light-Gauge Steel Keel-Fiber Cement Pressure Plates[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(1): 41-54. doi: 10.3724/j.gyjzG25031005

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Research on the Flexural Performance of Light-Gauge Steel Keel-Fiber Cement Pressure Plates

doi: 10.3724/j.gyjzG25031005

1. School of Civil Engineering, Tianjin Chengjian University, Tianjin 300384, China;
2. School of Civil Engineering, Tianjin University, Tianjin 300072, China

Received Date: 2025-03-10
Available Online: 2026-02-26
Publish Date: 2026-01-22

Abstract

Abstract

The light-gauge steel keel-fiber cement pressure plate is a new type of prefabricated composite floor member formed by connecting a light-gauge steel keel to a fiber cement pressure plate with self-tapping screws. Compared with traditional concrete cast-in-place floors， it has the advantages of light weight， low cost， and high construction efficiency. However， research on the failure sequence， failure characteristics， and stiffness degradation of such building panels is not thorough and comprehensive， which restricts their promotion and application in steel structure houses in villages and towns. To this end， five groups of prefabricated light-gauge steel keel-fiber cement pressure plates were designed. The four-point flexural tests and finite element modeling analyses were carried out on them. The flexural performance of pressure plates with different structural forms was evaluated， and design suggestions were put forward.The results indicated that appropriately reducing the spacing between keels， increasing the section height of keels， and decreasing the spacing between screws could effectively enhance the yield load and design bearing capacity of composite slabs
- fiber cement pressure plate,
- prefabricated building,
- four-point flexural test,
- failure characteristics

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References(12)

References

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