Experimental Research on the Bearing Capacity of High-Strength Polyester Fiber Ultra-High Performance Concrete Slabs

YANG Liuyiyi; LU Miao; YANG Xiaohua; WU Jingjing

doi:10.3724/j.gyjzG25010601

Volume 56 Issue 7

Jul. 2026

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2026 > 56(7): 253-260

YANG Liuyiyi, LU Miao, YANG Xiaohua, WU Jingjing. Experimental Research on the Bearing Capacity of High-Strength Polyester Fiber Ultra-High Performance Concrete Slabs[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(7): 253-260. doi: 10.3724/j.gyjzG25010601

Citation:

YANG Liuyiyi, LU Miao, YANG Xiaohua, WU Jingjing. Experimental Research on the Bearing Capacity of High-Strength Polyester Fiber Ultra-High Performance Concrete Slabs[J]. INDUSTRIAL CONSTRUCTION, 2026, 56(7): 253-260. doi: 10.3724/j.gyjzG25010601

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Experimental Research on the Bearing Capacity of High-Strength Polyester Fiber Ultra-High Performance Concrete Slabs

doi: 10.3724/j.gyjzG25010601

School of Civil Engineering, Hunan University of Technology, Zhuzhou 412008, China

Received Date: 2025-01-06
Available Online: 2026-08-31
Publish Date: 2026-07-20

Abstract

Abstract

Ultra-high performance concrete （UHPC） incorporating ultra-high molecular weight polyester （UHMWPE） fibers is a novel high-strength composite. It exhibits high strength， high ductility， and excellent durability. This experiment investigated the mechanisms by which UHMWPE staple fibers and structural steel meshes enhance the structural performance of concrete slabs. Four rectangular thin slabs of identical geometry but with different fiber contents and steel mesh configurations were fabricated. Through tests， the stress， strain， and displacement of the specimens were monitored throughout the entire loading process until failure. The results demonstrated that the UHMWPE fibers formed a random three-dimensional network within the concrete slab. This network bridged and anchored the concrete matrix， suppressed the initiation and propagation of cracks， significantly enhanced crack resistance and ductility， and substantially improved the bearing capacity of the concrete slabs. The incorporation of the structural steel mesh provided a primary supporting skeleton. The randomly distributed short fibers connected with this skeleton， forming an integrated system. This synergy between the steel mesh and the UHMWPE fibers collectively enhanced the slabs’ bearing capacity and deformation resistance.
- ultra-high performance reinforced concrete,
- ultra-high molecular weight polyester fiber,
- bearing capacity,
- crack resistance,
- slab

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References(20)

References

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