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Flexural behavior of textile-reinforced UHPC thin plates: experiments, simulation, and theoretical modeling
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DOI：10.1016/j.compstruct.2026.120749.png)
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Abstract
En 中文
Textile-reinforced ultra-high performance concrete (TR-UHPC) thin plates offer a promising solution for lightweight structural applications. However, the combined effects of textile type, textile architecture, and the presence of steel mesh on flexural capacity have not been sufficiently quantified. Here, the flexural behavior of TR-UHPC thin plates reinforced with various textile configurations and steel meshes is investigated through four-point bending tests, finite element (FE) simulations, and theoretical analysis. The results showed that textile meshes promote crack dispersion and enhance post-cracking stability, while steel meshes provide a reliable tensile load transfer path and improve ductility under large deflections. Among the investigated textile systems, including double-layer basalt textile, double-layer carbon textile, and 3D basalt textile, the 3D basalt textile exhibits the most pronounced reinforcement effect due to its superior anchorage efficiency. For reproducing the measured load–deflection responses and damage patterns, a concrete damaged plasticity (CDP) based FE model is developed with the effects of textile and steel meshes. Furthermore, a simplified method for predicting flexural capacity based on sectional equilibrium is formulated by a modification of textile utilization coefficient that accounts for the contributions of steel mesh and 3D textile anchorage. The theoretical predictions provide a reasonable estimate of the flexural capacity of the tested TR-UHPC thin plates within the present experimental range.
Keywords:
TR-UHPC
Four-point bending
CDP model
Flexural capacity
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7.1
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1.8W
Citations:
8.0W
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